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|
# SOME DESCRIPTIVE TITLE
# Copyright (C) YEAR Free Software Foundation, Inc.
# This file is distributed under the same license as the PACKAGE package.
# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
#
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: PACKAGE VERSION\n"
"POT-Creation-Date: 2024-06-01 06:09+0200\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
"Language-Team: LANGUAGE <LL@li.org>\n"
"Language: \n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"
#. type: TH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "prctl"
msgstr ""
#. type: TH
#: archlinux debian-unstable opensuse-tumbleweed
#, no-wrap
msgid "2024-05-02"
msgstr ""
#. type: TH
#: archlinux debian-unstable
#, no-wrap
msgid "Linux man-pages 6.8"
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "NAME"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "prctl - operations on a process or thread"
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "LIBRARY"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "Standard C library (I<libc>, I<-lc>)"
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "SYNOPSIS"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<#include E<lt>sys/prctl.hE<gt>>\n"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
#, no-wrap
msgid ""
"B<int prctl(int >I<op>B<, ...>\n"
"B< >/*B< unsigned long >I<arg2>B<, unsigned long >I<arg3>B<,>\n"
"B< unsigned long >I<arg4>B<, unsigned long >I<arg5>B< >*/B< );>\n"
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "DESCRIPTION"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"B<prctl>() manipulates various aspects of the behavior of the calling "
"thread or process."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Note that careless use of some B<prctl>() operations can confuse the user-"
"space run-time environment, so these operations should be used with care."
msgstr ""
#
#. prctl PR_CAP_AMBIENT
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"B<prctl>() is called with a first argument describing what to do (with "
"values defined in I<E<lt>linux/prctl.hE<gt>>), and further arguments with a "
"significance depending on the first one. The first argument can be:"
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_CAP_AMBIENT> (since Linux 4.3)"
msgstr ""
#. commit 58319057b7847667f0c9585b9de0e8932b0fdb08
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Reads or changes the ambient capability set of the calling thread, according "
"to the value of I<arg2>, which must be one of the following:"
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_CAP_AMBIENT_RAISE>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The capability specified in I<arg3> is added to the ambient set. The "
"specified capability must already be present in both the permitted and the "
"inheritable sets of the process. This operation is not permitted if the "
"B<SECBIT_NO_CAP_AMBIENT_RAISE> securebit is set."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_CAP_AMBIENT_LOWER>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "The capability specified in I<arg3> is removed from the ambient set."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_CAP_AMBIENT_IS_SET>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The B<prctl>() call returns 1 if the capability in I<arg3> is in the "
"ambient set and 0 if it is not."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_CAP_AMBIENT_CLEAR_ALL>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"All capabilities will be removed from the ambient set. This operation "
"requires setting I<arg3> to zero."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"In all of the above operations, I<arg4> and I<arg5> must be specified as 0."
msgstr ""
#. prctl PR_CAPBSET_READ
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Higher-level interfaces layered on top of the above operations are provided "
"in the B<libcap>(3) library in the form of B<cap_get_ambient>(3), "
"B<cap_set_ambient>(3), and B<cap_reset_ambient>(3)."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_CAPBSET_READ> (since Linux 2.6.25)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Return (as the function result) 1 if the capability specified in I<arg2> is "
"in the calling thread's capability bounding set, or 0 if it is not. (The "
"capability constants are defined in I<E<lt>linux/capability.hE<gt>>.) The "
"capability bounding set dictates whether the process can receive the "
"capability through a file's permitted capability set on a subsequent call to "
"B<execve>(2)."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If the capability specified in I<arg2> is not valid, then the call fails "
"with the error B<EINVAL>."
msgstr ""
#. prctl PR_CAPBSET_DROP
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"A higher-level interface layered on top of this operation is provided in the "
"B<libcap>(3) library in the form of B<cap_get_bound>(3)."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_CAPBSET_DROP> (since Linux 2.6.25)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If the calling thread has the B<CAP_SETPCAP> capability within its user "
"namespace, then drop the capability specified by I<arg2> from the calling "
"thread's capability bounding set. Any children of the calling thread will "
"inherit the newly reduced bounding set."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The call fails with the error: B<EPERM> if the calling thread does not have "
"the B<CAP_SETPCAP>; B<EINVAL> if I<arg2> does not represent a valid "
"capability; or B<EINVAL> if file capabilities are not enabled in the kernel, "
"in which case bounding sets are not supported."
msgstr ""
#. prctl PR_SET_CHILD_SUBREAPER
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"A higher-level interface layered on top of this operation is provided in the "
"B<libcap>(3) library in the form of B<cap_drop_bound>(3)."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_CHILD_SUBREAPER> (since Linux 3.4)"
msgstr ""
#. commit ebec18a6d3aa1e7d84aab16225e87fd25170ec2b
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If I<arg2> is nonzero, set the \"child subreaper\" attribute of the calling "
"process; if I<arg2> is zero, unset the attribute."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"A subreaper fulfills the role of B<init>(1) for its descendant processes. "
"When a process becomes orphaned (i.e., its immediate parent terminates), "
"then that process will be reparented to the nearest still living ancestor "
"subreaper. Subsequently, calls to B<getppid>(2) in the orphaned process "
"will now return the PID of the subreaper process, and when the orphan "
"terminates, it is the subreaper process that will receive a B<SIGCHLD> "
"signal and will be able to B<wait>(2) on the process to discover its "
"termination status."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The setting of the \"child subreaper\" attribute is not inherited by "
"children created by B<fork>(2) and B<clone>(2). The setting is preserved "
"across B<execve>(2)."
msgstr ""
#. prctl PR_GET_CHILD_SUBREAPER
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Establishing a subreaper process is useful in session management frameworks "
"where a hierarchical group of processes is managed by a subreaper process "
"that needs to be informed when one of the processes\\[em]for example, a "
"double-forked daemon\\[em]terminates (perhaps so that it can restart that "
"process). Some B<init>(1) frameworks (e.g., B<systemd>(1)) employ a "
"subreaper process for similar reasons."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_GET_CHILD_SUBREAPER> (since Linux 3.4)"
msgstr ""
#. prctl PR_SET_DUMPABLE
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Return the \"child subreaper\" setting of the caller, in the location "
"pointed to by I<(int\\ *) arg2>."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_DUMPABLE> (since Linux 2.3.20)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Set the state of the \"dumpable\" attribute, which determines whether core "
"dumps are produced for the calling process upon delivery of a signal whose "
"default behavior is to produce a core dump."
msgstr ""
#. commit abf75a5033d4da7b8a7e92321d74021d1fcfb502
#. See http://marc.theaimsgroup.com/?l=linux-kernel&m=115270289030630&w=2
#. Subject: Fix prctl privilege escalation (CVE-2006-2451)
#. From: Marcel Holtmann <marcel () holtmann ! org>
#. Date: 2006-07-12 11:12:00
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Up to and including Linux 2.6.12, I<arg2> must be either 0 "
"(B<SUID_DUMP_DISABLE>, process is not dumpable) or 1 (B<SUID_DUMP_USER>, "
"process is dumpable). Between Linux 2.6.13 and Linux 2.6.17, the value 2 "
"was also permitted, which caused any binary which normally would not be "
"dumped to be dumped readable by root only; for security reasons, this "
"feature has been removed. (See also the description of I</proc/sys/fs/\\:"
"suid_dumpable> in B<proc>(5).)"
msgstr ""
#. See kernel/cred.c::commit_creds() (Linux 3.18 sources)
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Normally, the \"dumpable\" attribute is set to 1. However, it is reset to "
"the current value contained in the file I</proc/sys/fs/\\:suid_dumpable> "
"(which by default has the value 0), in the following circumstances:"
msgstr ""
#. type: IP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "\\[bu]"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "The process's effective user or group ID is changed."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The process's filesystem user or group ID is changed (see B<credentials>(7))."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The process executes (B<execve>(2)) a set-user-ID or set-group-ID program, "
"resulting in a change of either the effective user ID or the effective group "
"ID."
msgstr ""
#. See kernel/cred.c::commit_creds()
#. Also certain namespace operations;
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The process executes (B<execve>(2)) a program that has file capabilities "
"(see B<capabilities>(7)), but only if the permitted capabilities gained "
"exceed those already permitted for the process."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Processes that are not dumpable can not be attached via B<ptrace>(2) "
"B<PTRACE_ATTACH>; see B<ptrace>(2) for further details."
msgstr ""
#. prctl PR_GET_DUMPABLE
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If a process is not dumpable, the ownership of files in the process's I</"
"proc/>pid directory is affected as described in B<proc>(5)."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_GET_DUMPABLE> (since Linux 2.3.20)"
msgstr ""
#. Since Linux 2.6.13, the dumpable flag can have the value 2,
#. but in Linux 2.6.13 PR_GET_DUMPABLE simply returns 1 if the dumpable
#. flags has a nonzero value. This was fixed in Linux 2.6.14.
#. prctl PR_SET_ENDIAN
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Return (as the function result) the current state of the calling process's "
"dumpable attribute."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_ENDIAN> (since Linux 2.6.18, PowerPC only)"
msgstr ""
#. Respectively 0, 1, 2
#. prctl PR_GET_ENDIAN
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Set the endian-ness of the calling process to the value given in I<arg2>, "
"which should be one of the following: B<PR_ENDIAN_BIG>, B<PR_ENDIAN_LITTLE>, "
"or B<PR_ENDIAN_PPC_LITTLE> (PowerPC pseudo little endian)."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_GET_ENDIAN> (since Linux 2.6.18, PowerPC only)"
msgstr ""
#. prctl PR_SET_FP_MODE
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Return the endian-ness of the calling process, in the location pointed to by "
"I<(int\\ *) arg2>."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_FP_MODE> (since Linux 4.0, only on MIPS)"
msgstr ""
#. commit 9791554b45a2acc28247f66a5fd5bbc212a6b8c8
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"On the MIPS architecture, user-space code can be built using an ABI which "
"permits linking with code that has more restrictive floating-point (FP) "
"requirements. For example, user-space code may be built to target the O32 "
"FPXX ABI and linked with code built for either one of the more restrictive "
"FP32 or FP64 ABIs. When more restrictive code is linked in, the overall "
"requirement for the process is to use the more restrictive floating-point "
"mode."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Because the kernel has no means of knowing in advance which mode the process "
"should be executed in, and because these restrictions can change over the "
"lifetime of the process, the B<PR_SET_FP_MODE> operation is provided to "
"allow control of the floating-point mode from user space."
msgstr ""
#. https://dmz-portal.mips.com/wiki/MIPS_O32_ABI_-_FR0_and_FR1_Interlinking
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The I<(unsigned int) arg2> argument is a bit mask describing the floating-"
"point mode used:"
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_FP_MODE_FR>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"When this bit is I<unset> (so called B<FR=0> or B<FR0> mode), the 32 "
"floating-point registers are 32 bits wide, and 64-bit registers are "
"represented as a pair of registers (even- and odd- numbered, with the even-"
"numbered register containing the lower 32 bits, and the odd-numbered "
"register containing the higher 32 bits)."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"When this bit is I<set> (on supported hardware), the 32 floating-point "
"registers are 64 bits wide (so called B<FR=1> or B<FR1> mode). Note that "
"modern MIPS implementations (MIPS R6 and newer) support B<FR=1> mode only."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"Applications that use the O32 FP32 ABI can operate only when this bit is "
"I<unset> (B<FR=0>; or they can be used with FRE enabled, see below). "
"Applications that use the O32 FP64 ABI (and the O32 FP64A ABI, which exists "
"to provide the ability to operate with existing FP32 code; see below) can "
"operate only when this bit is I<set> (B<FR=1>). Applications that use the "
"O32 FPXX ABI can operate with either B<FR=0> or B<FR=1>."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_FP_MODE_FRE>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Enable emulation of 32-bit floating-point mode. When this mode is enabled, "
"it emulates 32-bit floating-point operations by raising a reserved-"
"instruction exception on every instruction that uses 32-bit formats and the "
"kernel then handles the instruction in software. (The problem lies in the "
"discrepancy of handling odd-numbered registers which are the high 32 bits of "
"64-bit registers with even numbers in B<FR=0> mode and the lower 32-bit "
"parts of odd-numbered 64-bit registers in B<FR=1> mode.) Enabling this bit "
"is necessary when code with the O32 FP32 ABI should operate with code with "
"compatible the O32 FPXX or O32 FP64A ABIs (which require B<FR=1> FPU mode) "
"or when it is executed on newer hardware (MIPS R6 onwards) which lacks "
"B<FR=0> mode support when a binary with the FP32 ABI is used."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Note that this mode makes sense only when the FPU is in 64-bit mode "
"(B<FR=1>)."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Note that the use of emulation inherently has a significant performance hit "
"and should be avoided if possible."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"In the N32/N64 ABI, 64-bit floating-point mode is always used, so FPU "
"emulation is not required and the FPU always operates in B<FR=1> mode."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
msgid ""
"This operation is mainly intended for use by the dynamic linker (B<ld."
"so>(8))."
msgstr ""
#. prctl PR_GET_FP_MODE
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "The arguments I<arg3>, I<arg4>, and I<arg5> are ignored."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_GET_FP_MODE> (since Linux 4.0, only on MIPS)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Return (as the function result) the current floating-point mode (see the "
"description of B<PR_SET_FP_MODE> for details)."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"On success, the call returns a bit mask which represents the current "
"floating-point mode."
msgstr ""
#. prctl PR_SET_FPEMU
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "The arguments I<arg2>, I<arg3>, I<arg4>, and I<arg5> are ignored."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_FPEMU> (since Linux 2.4.18, 2.5.9, only on ia64)"
msgstr ""
#. prctl PR_GET_FPEMU
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Set floating-point emulation control bits to I<arg2>. Pass "
"B<PR_FPEMU_NOPRINT> to silently emulate floating-point operation accesses, "
"or B<PR_FPEMU_SIGFPE> to not emulate floating-point operations and send "
"B<SIGFPE> instead."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_GET_FPEMU> (since Linux 2.4.18, 2.5.9, only on ia64)"
msgstr ""
#. prctl PR_SET_FPEXC
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Return floating-point emulation control bits, in the location pointed to by "
"I<(int\\ *) arg2>."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_FPEXC> (since Linux 2.4.21, 2.5.32, only on PowerPC)"
msgstr ""
#. prctl PR_GET_FPEXC
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Set floating-point exception mode to I<arg2>. Pass B<PR_FP_EXC_SW_ENABLE> "
"to use FPEXC for FP exception enables, B<PR_FP_EXC_DIV> for floating-point "
"divide by zero, B<PR_FP_EXC_OVF> for floating-point overflow, "
"B<PR_FP_EXC_UND> for floating-point underflow, B<PR_FP_EXC_RES> for floating-"
"point inexact result, B<PR_FP_EXC_INV> for floating-point invalid operation, "
"B<PR_FP_EXC_DISABLED> for FP exceptions disabled, B<PR_FP_EXC_NONRECOV> for "
"async nonrecoverable exception mode, B<PR_FP_EXC_ASYNC> for async "
"recoverable exception mode, B<PR_FP_EXC_PRECISE> for precise exception mode."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_GET_FPEXC> (since Linux 2.4.21, 2.5.32, only on PowerPC)"
msgstr ""
#. prctl PR_SET_IO_FLUSHER
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Return floating-point exception mode, in the location pointed to by I<(int\\ "
"*) arg2>."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_IO_FLUSHER> (since Linux 5.6)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If a user process is involved in the block layer or filesystem I/O path, and "
"can allocate memory while processing I/O requests it must set I<arg2> to 1. "
"This will put the process in the IO_FLUSHER state, which allows it special "
"treatment to make progress when allocating memory. If I<arg2> is 0, the "
"process will clear the IO_FLUSHER state, and the default behavior will be "
"used."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "The calling process must have the B<CAP_SYS_RESOURCE> capability."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "I<arg3>, I<arg4>, and I<arg5> must be zero."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The IO_FLUSHER state is inherited by a child process created via B<fork>(2) "
"and is preserved across B<execve>(2)."
msgstr ""
#. prctl PR_GET_IO_FLUSHER
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Examples of IO_FLUSHER applications are FUSE daemons, SCSI device emulation "
"daemons, and daemons that perform error handling like multipath path "
"recovery applications."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_GET_IO_FLUSHER (Since Linux 5.6)>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Return (as the function result) the IO_FLUSHER state of the caller. A value "
"of 1 indicates that the caller is in the IO_FLUSHER state; 0 indicates that "
"the caller is not in the IO_FLUSHER state."
msgstr ""
#. prctl PR_SET_KEEPCAPS
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "I<arg2>, I<arg3>, I<arg4>, and I<arg5> must be zero."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_KEEPCAPS> (since Linux 2.2.18)"
msgstr ""
#. prctl PR_GET_KEEPCAPS
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Set the state of the calling thread's \"keep capabilities\" flag. The "
"effect of this flag is described in B<capabilities>(7). I<arg2> must be "
"either 0 (clear the flag) or 1 (set the flag). The \"keep capabilities\" "
"value will be reset to 0 on subsequent calls to B<execve>(2)."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_GET_KEEPCAPS> (since Linux 2.2.18)"
msgstr ""
#. prctl PR_MCE_KILL
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Return (as the function result) the current state of the calling thread's "
"\"keep capabilities\" flag. See B<capabilities>(7) for a description of "
"this flag."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_MCE_KILL> (since Linux 2.6.32)"
msgstr ""
#. prctl PR_MCE_KILL_GET
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Set the machine check memory corruption kill policy for the calling thread. "
"If I<arg2> is B<PR_MCE_KILL_CLEAR>, clear the thread memory corruption kill "
"policy and use the system-wide default. (The system-wide default is defined "
"by I</proc/sys/vm/memory_failure_early_kill>; see B<proc>(5).) If I<arg2> "
"is B<PR_MCE_KILL_SET>, use a thread-specific memory corruption kill policy. "
"In this case, I<arg3> defines whether the policy is I<early kill> "
"(B<PR_MCE_KILL_EARLY>), I<late kill> (B<PR_MCE_KILL_LATE>), or the system-"
"wide default (B<PR_MCE_KILL_DEFAULT>). Early kill means that the thread "
"receives a B<SIGBUS> signal as soon as hardware memory corruption is "
"detected inside its address space. In late kill mode, the process is killed "
"only when it accesses a corrupted page. See B<sigaction>(2) for more "
"information on the B<SIGBUS> signal. The policy is inherited by children. "
"The remaining unused B<prctl>() arguments must be zero for future "
"compatibility."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_MCE_KILL_GET> (since Linux 2.6.32)"
msgstr ""
#. prctl PR_SET_MM
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Return (as the function result) the current per-process machine check kill "
"policy. All unused B<prctl>() arguments must be zero."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_MM> (since Linux 3.3)"
msgstr ""
#. commit 028ee4be34a09a6d48bdf30ab991ae933a7bc036
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Modify certain kernel memory map descriptor fields of the calling process. "
"Usually these fields are set by the kernel and dynamic loader (see B<ld."
"so>(8) for more information) and a regular application should not use this "
"feature. However, there are cases, such as self-modifying programs, where a "
"program might find it useful to change its own memory map."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The calling process must have the B<CAP_SYS_RESOURCE> capability. The value "
"in I<arg2> is one of the options below, while I<arg3> provides a new value "
"for the option. The I<arg4> and I<arg5> arguments must be zero if unused."
msgstr ""
#. commit 52b3694157e3aa6df871e283115652ec6f2d31e0
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Before Linux 3.10, this feature is available only if the kernel is built "
"with the B<CONFIG_CHECKPOINT_RESTORE> option enabled."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_MM_START_CODE>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Set the address above which the program text can run. The corresponding "
"memory area must be readable and executable, but not writable or shareable "
"(see B<mprotect>(2) and B<mmap>(2) for more information)."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_MM_END_CODE>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Set the address below which the program text can run. The corresponding "
"memory area must be readable and executable, but not writable or shareable."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_MM_START_DATA>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Set the address above which initialized and uninitialized (bss) data are "
"placed. The corresponding memory area must be readable and writable, but "
"not executable or shareable."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_MM_END_DATA>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Set the address below which initialized and uninitialized (bss) data are "
"placed. The corresponding memory area must be readable and writable, but "
"not executable or shareable."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_MM_START_STACK>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Set the start address of the stack. The corresponding memory area must be "
"readable and writable."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_MM_START_BRK>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Set the address above which the program heap can be expanded with B<brk>(2) "
"call. The address must be greater than the ending address of the current "
"program data segment. In addition, the combined size of the resulting heap "
"and the size of the data segment can't exceed the B<RLIMIT_DATA> resource "
"limit (see B<setrlimit>(2))."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_MM_BRK>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Set the current B<brk>(2) value. The requirements for the address are the "
"same as for the B<PR_SET_MM_START_BRK> option."
msgstr ""
#. commit fe8c7f5cbf91124987106faa3bdf0c8b955c4cf7
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "The following options are available since Linux 3.5."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_MM_ARG_START>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "Set the address above which the program command line is placed."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_MM_ARG_END>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "Set the address below which the program command line is placed."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_MM_ENV_START>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "Set the address above which the program environment is placed."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_MM_ENV_END>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "Set the address below which the program environment is placed."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The address passed with B<PR_SET_MM_ARG_START>, B<PR_SET_MM_ARG_END>, "
"B<PR_SET_MM_ENV_START>, and B<PR_SET_MM_ENV_END> should belong to a process "
"stack area. Thus, the corresponding memory area must be readable, writable, "
"and (depending on the kernel configuration) have the B<MAP_GROWSDOWN> "
"attribute set (see B<mmap>(2))."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_MM_AUXV>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Set a new auxiliary vector. The I<arg3> argument should provide the address "
"of the vector. The I<arg4> is the size of the vector."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_MM_EXE_FILE>"
msgstr ""
#. commit b32dfe377102ce668775f8b6b1461f7ad428f8b6
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Supersede the I</proc/>pidI</exe> symbolic link with a new one pointing to a "
"new executable file identified by the file descriptor provided in I<arg3> "
"argument. The file descriptor should be obtained with a regular B<open>(2) "
"call."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"To change the symbolic link, one needs to unmap all existing executable "
"memory areas, including those created by the kernel itself (for example the "
"kernel usually creates at least one executable memory area for the ELF I<."
"text> section)."
msgstr ""
#. commit 3fb4afd9a504c2386b8435028d43283216bf588e
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"In Linux 4.9 and earlier, the B<PR_SET_MM_EXE_FILE> operation can be "
"performed only once in a process's lifetime; attempting to perform the "
"operation a second time results in the error B<EPERM>. This restriction was "
"enforced for security reasons that were subsequently deemed specious, and "
"the restriction was removed in Linux 4.10 because some user-space "
"applications needed to perform this operation more than once."
msgstr ""
#. commit f606b77f1a9e362451aca8f81d8f36a3a112139e
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "The following options are available since Linux 3.18."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_MM_MAP>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Provides one-shot access to all the addresses by passing in a I<struct "
"prctl_mm_map> (as defined in I<E<lt>linux/prctl.hE<gt>>). The I<arg4> "
"argument should provide the size of the struct."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"This feature is available only if the kernel is built with the "
"B<CONFIG_CHECKPOINT_RESTORE> option enabled."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_MM_MAP_SIZE>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Returns the size of the I<struct prctl_mm_map> the kernel expects. This "
"allows user space to find a compatible struct. The I<arg4> argument should "
"be a pointer to an unsigned int."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_VMA> (since Linux 5.17)"
msgstr ""
#. Commit 9a10064f5625d5572c3626c1516e0bebc6c9fe9b
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Sets an attribute specified in I<arg2> for virtual memory areas starting "
"from the address specified in I<arg3> and spanning the size specified in "
"I<arg4>. I<arg5> specifies the value of the attribute to be set."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Note that assigning an attribute to a virtual memory area might prevent it "
"from being merged with adjacent virtual memory areas due to the difference "
"in that attribute's value."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "Currently, I<arg2> must be one of:"
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_VMA_ANON_NAME>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Set a name for anonymous virtual memory areas. I<arg5> should be a pointer "
"to a null-terminated string containing the name. The name length including "
"null byte cannot exceed 80 bytes. If I<arg5> is NULL, the name of the "
"appropriate anonymous virtual memory areas will be reset. The name can "
"contain only printable ascii characters (including space), except \\[aq]"
"[\\[aq], \\[aq]]\\[aq], \\[aq]\\e\\[aq], \\[aq]$\\[aq], and "
"\\[aq]\\[ga]\\[aq]."
msgstr ""
#. type: TP
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
#, no-wrap
msgid "B<PR_MPX_ENABLE_MANAGEMENT>"
msgstr ""
#. type: TQ
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
#, no-wrap
msgid "B<PR_MPX_DISABLE_MANAGEMENT> (since Linux 3.19, removed in Linux 5.4; only on x86)"
msgstr ""
#. commit fe3d197f84319d3bce379a9c0dc17b1f48ad358c
#. See also http://lwn.net/Articles/582712/
#. See also https://gcc.gnu.org/wiki/Intel%20MPX%20support%20in%20the%20GCC%20compiler
#. commit e9d1b4f3c60997fe197bf0243cb4a41a44387a88
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Enable or disable kernel management of Memory Protection eXtensions (MPX) "
"bounds tables. The I<arg2>, I<arg3>, I<arg4>, and I<arg5> arguments must be "
"zero."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"MPX is a hardware-assisted mechanism for performing bounds checking on "
"pointers. It consists of a set of registers storing bounds information and "
"a set of special instruction prefixes that tell the CPU on which "
"instructions it should do bounds enforcement. There is a limited number of "
"these registers and when there are more pointers than registers, their "
"contents must be \"spilled\" into a set of tables. These tables are called "
"\"bounds tables\" and the MPX B<prctl>() operations control whether the "
"kernel manages their allocation and freeing."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"When management is enabled, the kernel will take over allocation and freeing "
"of the bounds tables. It does this by trapping the #BR exceptions that "
"result at first use of missing bounds tables and instead of delivering the "
"exception to user space, it allocates the table and populates the bounds "
"directory with the location of the new table. For freeing, the kernel "
"checks to see if bounds tables are present for memory which is not "
"allocated, and frees them if so."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Before enabling MPX management using B<PR_MPX_ENABLE_MANAGEMENT>, the "
"application must first have allocated a user-space buffer for the bounds "
"directory and placed the location of that directory in the I<bndcfgu> "
"register."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"These calls fail if the CPU or kernel does not support MPX. Kernel support "
"for MPX is enabled via the B<CONFIG_X86_INTEL_MPX> configuration option. "
"You can check whether the CPU supports MPX by looking for the I<mpx> CPUID "
"bit, like with the following command:"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "cat /proc/cpuinfo | grep \\[aq] mpx \\[aq]\n"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"A thread may not switch in or out of long (64-bit) mode while MPX is enabled."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "All threads in a process are affected by these calls."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The child of a B<fork>(2) inherits the state of MPX management. During "
"B<execve>(2), MPX management is reset to a state as if "
"B<PR_MPX_DISABLE_MANAGEMENT> had been called."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"For further information on Intel MPX, see the kernel source file "
"I<Documentation/x86/intel_mpx.txt>."
msgstr ""
#. commit f240652b6032b48ad7fa35c5e701cc4c8d697c0b
#. See also https://lkml.kernel.org/r/20190705175321.DB42F0AD@viggo.jf.intel.com
#. prctl PR_SET_NAME
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Due to a lack of toolchain support, B<PR_MPX_ENABLE_MANAGEMENT> and "
"B<PR_MPX_DISABLE_MANAGEMENT> are not supported in Linux 5.4 and later."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_NAME> (since Linux 2.6.9)"
msgstr ""
#. TASK_COMM_LEN in include/linux/sched.h
#. prctl PR_GET_NAME
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Set the name of the calling thread, using the value in the location pointed "
"to by I<(char\\ *) arg2>. The name can be up to 16 bytes long, including "
"the terminating null byte. (If the length of the string, including the "
"terminating null byte, exceeds 16 bytes, the string is silently truncated.) "
"This is the same attribute that can be set via B<pthread_setname_np>(3) and "
"retrieved using B<pthread_getname_np>(3). The attribute is likewise "
"accessible via I</proc/self/task/>tidI</comm> (see B<proc>(5)), where I<tid> "
"is the thread ID of the calling thread, as returned by B<gettid>(2)."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_GET_NAME> (since Linux 2.6.11)"
msgstr ""
#. prctl PR_SET_NO_NEW_PRIVS
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Return the name of the calling thread, in the buffer pointed to by I<(char\\ "
"*) arg2>. The buffer should allow space for up to 16 bytes; the returned "
"string will be null-terminated."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_NO_NEW_PRIVS> (since Linux 3.5)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Set the calling thread's I<no_new_privs> attribute to the value in I<arg2>. "
"With I<no_new_privs> set to 1, B<execve>(2) promises not to grant "
"privileges to do anything that could not have been done without the "
"B<execve>(2) call (for example, rendering the set-user-ID and set-group-ID "
"mode bits, and file capabilities non-functional). Once set, the "
"I<no_new_privs> attribute cannot be unset. The setting of this attribute is "
"inherited by children created by B<fork>(2) and B<clone>(2), and preserved "
"across B<execve>(2)."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Since Linux 4.10, the value of a thread's I<no_new_privs> attribute can be "
"viewed via the I<NoNewPrivs> field in the I</proc/>pidI</status> file."
msgstr ""
#. commit 40fde647ccb0ae8c11d256d271e24d385eed595b
#. prctl PR_GET_NO_NEW_PRIVS
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"For more information, see the kernel source file I<Documentation/userspace-"
"api/no_new_privs.rst> (or I<Documentation/prctl/no_new_privs.txt> before "
"Linux 4.13). See also B<seccomp>(2)."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_GET_NO_NEW_PRIVS> (since Linux 3.5)"
msgstr ""
#. prctl PR_PAC_RESET_KEYS
#. commit ba830885656414101b2f8ca88786524d4bb5e8c1
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Return (as the function result) the value of the I<no_new_privs> attribute "
"for the calling thread. A value of 0 indicates the regular B<execve>(2) "
"behavior. A value of 1 indicates B<execve>(2) will operate in the "
"privilege-restricting mode described above."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_PAC_RESET_KEYS> (since Linux 5.0, only on arm64)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Securely reset the thread's pointer authentication keys to fresh random "
"values generated by the kernel."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The set of keys to be reset is specified by I<arg2>, which must be a logical "
"OR of zero or more of the following:"
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_PAC_APIAKEY>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "instruction authentication key A"
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_PAC_APIBKEY>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "instruction authentication key B"
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_PAC_APDAKEY>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "data authentication key A"
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_PAC_APDBKEY>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "data authentication key B"
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_PAC_APGAKEY>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "generic authentication \\[lq]A\\[rq] key."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "(Yes folks, there really is no generic B key.)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"As a special case, if I<arg2> is zero, then all the keys are reset. Since "
"new keys could be added in future, this is the recommended way to completely "
"wipe the existing keys when establishing a clean execution context. Note "
"that there is no need to use B<PR_PAC_RESET_KEYS> in preparation for calling "
"B<execve>(2), since B<execve>(2) resets all the pointer authentication keys."
msgstr ""
#. Enforcement added in
#. commit 3e91ec89f527b9870fe42dcbdb74fd389d123a95
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "The remaining arguments I<arg3>, I<arg4>, and I<arg5> must all be zero."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If the arguments are invalid, and in particular if I<arg2> contains set bits "
"that are unrecognized or that correspond to a key not available on this "
"platform, then the call fails with error B<EINVAL>."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"B<Warning:> Because the compiler or run-time environment may be using some "
"or all of the keys, a successful B<PR_PAC_RESET_KEYS> may crash the calling "
"process. The conditions for using it safely are complex and system-"
"dependent. Don't use it unless you know what you are doing."
msgstr ""
#. commit b693d0b372afb39432e1c49ad7b3454855bc6bed
#. prctl PR_SET_PDEATHSIG
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"For more information, see the kernel source file I<Documentation/arm64/"
"pointer-authentication.rst> (or I<Documentation/arm64/pointer-authentication."
"txt> before Linux 5.3)."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_PDEATHSIG> (since Linux 2.1.57)"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
msgid ""
"Set the parent-death signal of the calling process to I<arg2> (either a "
"signal value in the range [B<1>, I<NSIG\\ -\\ 1>], or B<0> to clear). This "
"is the signal that the calling process will get when its parent dies."
msgstr ""
#. https://bugzilla.kernel.org/show_bug.cgi?id=43300
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"I<Warning>: the \"parent\" in this case is considered to be the I<thread> "
"that created this process. In other words, the signal will be sent when "
"that thread terminates (via, for example, B<pthread_exit>(3)), rather than "
"after all of the threads in the parent process terminate."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The parent-death signal is sent upon subsequent termination of the parent "
"thread and also upon termination of each subreaper process (see the "
"description of B<PR_SET_CHILD_SUBREAPER> above) to which the caller is "
"subsequently reparented. If the parent thread and all ancestor subreapers "
"have already terminated by the time of the B<PR_SET_PDEATHSIG> operation, "
"then no parent-death signal is sent to the caller."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The parent-death signal is process-directed (see B<signal>(7)) and, if the "
"child installs a handler using the B<sigaction>(2) B<SA_SIGINFO> flag, the "
"I<si_pid> field of the I<siginfo_t> argument of the handler contains the PID "
"of the terminating parent process."
msgstr ""
#. commit d2d56c5f51028cb9f3d800882eb6f4cbd3f9099f
#. FIXME capability changes can also trigger this; see
#. kernel/cred.c::commit_creds in the Linux 5.6 source.
#. prctl PR_GET_PDEATHSIG
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The parent-death signal setting is cleared for the child of a B<fork>(2). "
"It is also (since Linux 2.4.36 / 2.6.23) cleared when executing a set-user-"
"ID or set-group-ID binary, or a binary that has associated capabilities (see "
"B<capabilities>(7)); otherwise, this value is preserved across "
"B<execve>(2). The parent-death signal setting is also cleared upon changes "
"to any of the following thread credentials: effective user ID, effective "
"group ID, filesystem user ID, or filesystem group ID."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_GET_PDEATHSIG> (since Linux 2.3.15)"
msgstr ""
#. prctl PR_SET_PTRACER
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Return the current value of the parent process death signal, in the location "
"pointed to by I<(int\\ *) arg2>."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_PTRACER> (since Linux 3.4)"
msgstr ""
#. commit 2d514487faf188938a4ee4fb3464eeecfbdcf8eb
#. commit bf06189e4d14641c0148bea16e9dd24943862215
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"This is meaningful only when the Yama LSM is enabled and in mode 1 "
"(\"restricted ptrace\", visible via I</proc/sys/kernel/yama/ptrace_scope>). "
"When a \"ptracer process ID\" is passed in I<arg2>, the caller is declaring "
"that the ptracer process can B<ptrace>(2) the calling process as if it were "
"a direct process ancestor. Each B<PR_SET_PTRACER> operation replaces the "
"previous \"ptracer process ID\". Employing B<PR_SET_PTRACER> with I<arg2> "
"set to 0 clears the caller's \"ptracer process ID\". If I<arg2> is "
"B<PR_SET_PTRACER_ANY>, the ptrace restrictions introduced by Yama are "
"effectively disabled for the calling process."
msgstr ""
#. commit 90bb766440f2147486a2acc3e793d7b8348b0c22
#. prctl PR_SET_SECCOMP
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"For further information, see the kernel source file I<Documentation/admin-"
"guide/LSM/Yama.rst> (or I<Documentation/security/Yama.txt> before Linux "
"4.13)."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_SECCOMP> (since Linux 2.6.23)"
msgstr ""
#. See http://thread.gmane.org/gmane.linux.kernel/542632
#. [PATCH 0 of 2] seccomp updates
#. andrea@cpushare.com
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Set the secure computing (seccomp) mode for the calling thread, to limit the "
"available system calls. The more recent B<seccomp>(2) system call provides "
"a superset of the functionality of B<PR_SET_SECCOMP>, and is the preferred "
"interface for new applications."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The seccomp mode is selected via I<arg2>. (The seccomp constants are "
"defined in I<E<lt>linux/seccomp.hE<gt>>.) The following values can be "
"specified:"
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<SECCOMP_MODE_STRICT> (since Linux 2.6.23)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "See the description of B<SECCOMP_SET_MODE_STRICT> in B<seccomp>(2)."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"This operation is available only if the kernel is configured with "
"B<CONFIG_SECCOMP> enabled."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<SECCOMP_MODE_FILTER> (since Linux 3.5)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The allowed system calls are defined by a pointer to a Berkeley Packet "
"Filter passed in I<arg3>. This argument is a pointer to I<struct "
"sock_fprog>; it can be designed to filter arbitrary system calls and system "
"call arguments. See the description of B<SECCOMP_SET_MODE_FILTER> in "
"B<seccomp>(2)."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"This operation is available only if the kernel is configured with "
"B<CONFIG_SECCOMP_FILTER> enabled."
msgstr ""
#. prctl PR_GET_SECCOMP
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "For further details on seccomp filtering, see B<seccomp>(2)."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_GET_SECCOMP> (since Linux 2.6.23)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Return (as the function result) the secure computing mode of the calling "
"thread. If the caller is not in secure computing mode, this operation "
"returns 0; if the caller is in strict secure computing mode, then the "
"B<prctl>() call will cause a B<SIGKILL> signal to be sent to the process. "
"If the caller is in filter mode, and this system call is allowed by the "
"seccomp filters, it returns 2; otherwise, the process is killed with a "
"B<SIGKILL> signal."
msgstr ""
#. prctl PR_SET_SECUREBITS
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Since Linux 3.8, the I<Seccomp> field of the I</proc/>pidI</status> file "
"provides a method of obtaining the same information, without the risk that "
"the process is killed; see B<proc>(5)."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_SECUREBITS> (since Linux 2.6.26)"
msgstr ""
#. prctl PR_GET_SECUREBITS
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Set the \"securebits\" flags of the calling thread to the value supplied in "
"I<arg2>. See B<capabilities>(7)."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_GET_SECUREBITS> (since Linux 2.6.26)"
msgstr ""
#. prctl PR_GET_SPECULATION_CTRL
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Return (as the function result) the \"securebits\" flags of the calling "
"thread. See B<capabilities>(7)."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_GET_SPECULATION_CTRL> (since Linux 4.17)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Return (as the function result) the state of the speculation misfeature "
"specified in I<arg2>. Currently, the only permitted value for this argument "
"is B<PR_SPEC_STORE_BYPASS> (otherwise the call fails with the error "
"B<ENODEV>)."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "The return value uses bits 0-3 with the following meaning:"
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SPEC_PRCTL>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "Mitigation can be controlled per thread by B<PR_SET_SPECULATION_CTRL>."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SPEC_ENABLE>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "The speculation feature is enabled, mitigation is disabled."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SPEC_DISABLE>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "The speculation feature is disabled, mitigation is enabled."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SPEC_FORCE_DISABLE>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "Same as B<PR_SPEC_DISABLE> but cannot be undone."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SPEC_DISABLE_NOEXEC> (since Linux 5.1)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Same as B<PR_SPEC_DISABLE>, but the state will be cleared on B<execve>(2)."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If all bits are 0, then the CPU is not affected by the speculation "
"misfeature."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If B<PR_SPEC_PRCTL> is set, then per-thread control of the mitigation is "
"available. If not set, B<prctl>() for the speculation misfeature will fail."
msgstr ""
#. prctl PR_SET_SPECULATION_CTRL
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The I<arg3>, I<arg4>, and I<arg5> arguments must be specified as 0; "
"otherwise the call fails with the error B<EINVAL>."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_SPECULATION_CTRL> (since Linux 4.17)"
msgstr ""
#. commit b617cfc858161140d69cc0b5cc211996b557a1c7
#. commit 356e4bfff2c5489e016fdb925adbf12a1e3950ee
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Sets the state of the speculation misfeature specified in I<arg2>. The "
"speculation-misfeature settings are per-thread attributes."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SPEC_STORE_BYPASS>"
msgstr ""
#. commit 9137bb27e60e554dab694eafa4cca241fa3a694f
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "Set the state of the speculative store bypass misfeature."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SPEC_INDIRECT_BRANCH> (since Linux 4.20)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "Set the state of the indirect branch speculation misfeature."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If I<arg2> does not have one of the above values, then the call fails with "
"the error B<ENODEV>."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The I<arg3> argument is used to hand in the control value, which is one of "
"the following:"
msgstr ""
#. commit 71368af9027f18fe5d1c6f372cfdff7e4bde8b48
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Same as B<PR_SPEC_DISABLE>, but cannot be undone. A subsequent "
"B<prctl>( I<arg2>, B<PR_SPEC_ENABLE>) with the same value for I<arg2> will "
"fail with the error B<EPERM>."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Same as B<PR_SPEC_DISABLE>, but the state will be cleared on B<execve>(2). "
"Currently only supported for I<arg2> equal to B<PR_SPEC_STORE_BYPASS.>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Any unsupported value in I<arg3> will result in the call failing with the "
"error B<ERANGE>."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The I<arg4> and I<arg5> arguments must be specified as 0; otherwise the call "
"fails with the error B<EINVAL>."
msgstr ""
#. prctl PR_SVE_SET_VL
#. commit 2d2123bc7c7f843aa9db87720de159a049839862
#. linux-5.6/Documentation/arm64/sve.rst
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The speculation feature can also be controlled by the "
"B<spec_store_bypass_disable> boot parameter. This parameter may enforce a "
"read-only policy which will result in the B<prctl>() call failing with the "
"error B<ENXIO>. For further details, see the kernel source file "
"I<Documentation/admin-guide/kernel-parameters.txt>."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SVE_SET_VL> (since Linux 4.15, only on arm64)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Configure the thread's SVE vector length, as specified by I<(int) arg2>. "
"Arguments I<arg3>, I<arg4>, and I<arg5> are ignored."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The bits of I<arg2> corresponding to B<PR_SVE_VL_LEN_MASK> must be set to "
"the desired vector length in bytes. This is interpreted as an upper bound: "
"the kernel will select the greatest available vector length that does not "
"exceed the value specified. In particular, specifying B<SVE_VL_MAX> "
"(defined in I<E<lt>asm/sigcontext.hE<gt>)> for the B<PR_SVE_VL_LEN_MASK> "
"bits requests the maximum supported vector length."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"In addition, the other bits of I<arg2> must be set to one of the following "
"combinations of flags:"
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<0>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Perform the change immediately. At the next B<execve>(2) in the thread, "
"the vector length will be reset to the value configured in I</proc/sys/abi/"
"sve_default_vector_length>."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SVE_VL_INHERIT>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Perform the change immediately. Subsequent B<execve>(2) calls will "
"preserve the new vector length."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SVE_SET_VL_ONEXEC>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Defer the change, so that it is performed at the next B<execve>(2) in the "
"thread. Further B<execve>(2) calls will reset the vector length to the "
"value configured in I</proc/sys/abi/sve_default_vector_length>."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SVE_SET_VL_ONEXEC | PR_SVE_VL_INHERIT>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Defer the change, so that it is performed at the next B<execve>(2) in the "
"thread. Further B<execve>(2) calls will preserve the new vector length."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "In all cases, any previously pending deferred change is canceled."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The call fails with error B<EINVAL> if SVE is not supported on the platform, "
"if I<arg2> is unrecognized or invalid, or the value in the bits of I<arg2> "
"corresponding to B<PR_SVE_VL_LEN_MASK> is outside the range B<SVE_VL_MIN>.."
"B<SVE_VL_MAX> or is not a multiple of 16."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"On success, a nonnegative value is returned that describes the I<selected> "
"configuration. If B<PR_SVE_SET_VL_ONEXEC> was included in I<arg2>, then the "
"configuration described by the return value will take effect at the next "
"B<execve>(2). Otherwise, the configuration is already in effect when the "
"B<PR_SVE_SET_VL> call returns. In either case, the value is encoded in the "
"same way as the return value of B<PR_SVE_GET_VL>. Note that there is no "
"explicit flag in the return value corresponding to B<PR_SVE_SET_VL_ONEXEC>."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The configuration (including any pending deferred change) is inherited "
"across B<fork>(2) and B<clone>(2)."
msgstr ""
#. commit b693d0b372afb39432e1c49ad7b3454855bc6bed
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"For more information, see the kernel source file I<Documentation/arm64/sve."
"rst> (or I<Documentation/arm64/sve.txt> before Linux 5.3)."
msgstr ""
#. prctl PR_SVE_GET_VL
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"B<Warning:> Because the compiler or run-time environment may be using SVE, "
"using this call without the B<PR_SVE_SET_VL_ONEXEC> flag may crash the "
"calling process. The conditions for using it safely are complex and system-"
"dependent. Don't use it unless you really know what you are doing."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SVE_GET_VL> (since Linux 4.15, only on arm64)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "Get the thread's current SVE vector length configuration."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "Arguments I<arg2>, I<arg3>, I<arg4>, and I<arg5> are ignored."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Provided that the kernel and platform support SVE, this operation always "
"succeeds, returning a nonnegative value that describes the I<current> "
"configuration. The bits corresponding to B<PR_SVE_VL_LEN_MASK> contain the "
"currently configured vector length in bytes. The bit corresponding to "
"B<PR_SVE_VL_INHERIT> indicates whether the vector length will be inherited "
"across B<execve>(2)."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Note that there is no way to determine whether there is a pending vector "
"length change that has not yet taken effect."
msgstr ""
#. prctl PR_SET_SYSCALL_USER_DISPATCH
#. commit 1446e1df9eb183fdf81c3f0715402f1d7595d4
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_SYSCALL_USER_DISPATCH> (since Linux 5.11, x86 only)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Configure the Syscall User Dispatch mechanism for the calling thread. This "
"mechanism allows an application to selectively intercept system calls so "
"that they can be handled within the application itself. Interception takes "
"the form of a thread-directed B<SIGSYS> signal that is delivered to the "
"thread when it makes a system call. If intercepted, the system call is not "
"executed by the kernel."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"To enable this mechanism, I<arg2> should be set to B<PR_SYS_DISPATCH_ON>. "
"Once enabled, further system calls will be selectively intercepted, "
"depending on a control variable provided by user space. In this case, "
"I<arg3> and I<arg4> respectively identify the I<offset> and I<length> of a "
"single contiguous memory region in the process address space from where "
"system calls are always allowed to be executed, regardless of the control "
"variable. (Typically, this area would include the area of memory containing "
"the C library.)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"I<arg5> points to a char-sized variable that is a fast switch to allow/block "
"system call execution without the overhead of doing another system call to "
"re-configure Syscall User Dispatch. This control variable can either be set "
"to B<SYSCALL_DISPATCH_FILTER_BLOCK> to block system calls from executing or "
"to B<SYSCALL_DISPATCH_FILTER_ALLOW> to temporarily allow them to be "
"executed. This value is checked by the kernel on every system call entry, "
"and any unexpected value will raise an uncatchable B<SIGSYS> at that time, "
"killing the application."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"When a system call is intercepted, the kernel sends a thread-directed "
"B<SIGSYS> signal to the triggering thread. Various fields will be set in "
"the I<siginfo_t> structure (see B<sigaction>(2)) associated with the signal:"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "I<si_signo> will contain B<SIGSYS>."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "I<si_call_addr> will show the address of the system call instruction."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"I<si_syscall> and I<si_arch> will indicate which system call was attempted."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "I<si_code> will contain B<SYS_USER_DISPATCH>."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "I<si_errno> will be set to 0."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The program counter will be as though the system call happened (i.e., the "
"program counter will not point to the system call instruction)."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"When the signal handler returns to the kernel, the system call completes "
"immediately and returns to the calling thread, without actually being "
"executed. If necessary (i.e., when emulating the system call on user "
"space.), the signal handler should set the system call return value to a "
"sane value, by modifying the register context stored in the I<ucontext> "
"argument of the signal handler. See B<sigaction>(2), B<sigreturn>(2), and "
"B<getcontext>(3) for more information."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If I<arg2> is set to B<PR_SYS_DISPATCH_OFF>, Syscall User Dispatch is "
"disabled for that thread. the remaining arguments must be set to 0."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The setting is not preserved across B<fork>(2), B<clone>(2), or B<execve>(2)."
msgstr ""
#. prctl PR_SET_TAGGED_ADDR_CTRL
#. commit 63f0c60379650d82250f22e4cf4137ef3dc4f43d
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"For more information, see the kernel source file I<Documentation/admin-guide/"
"syscall-user-dispatch.rst>"
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_TAGGED_ADDR_CTRL> (since Linux 5.4, only on arm64)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Controls support for passing tagged user-space addresses to the kernel (i."
"e., addresses where bits 56\\[em]63 are not all zero)."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The level of support is selected by I<arg2>, which can be one of the "
"following:"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Addresses that are passed for the purpose of being dereferenced by the "
"kernel must be untagged."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_TAGGED_ADDR_ENABLE>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Addresses that are passed for the purpose of being dereferenced by the "
"kernel may be tagged, with the exceptions summarized below."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"On success, the mode specified in I<arg2> is set for the calling thread and "
"the return value is 0. If the arguments are invalid, the mode specified in "
"I<arg2> is unrecognized, or if this feature is unsupported by the kernel or "
"disabled via I</proc/sys/abi/tagged_addr_disabled>, the call fails with the "
"error B<EINVAL>."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"In particular, if B<prctl>(B<PR_SET_TAGGED_ADDR_CTRL>, 0, 0, 0, 0) fails "
"with B<EINVAL>, then all addresses passed to the kernel must be untagged."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Irrespective of which mode is set, addresses passed to certain interfaces "
"must always be untagged:"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"B<brk>(2), B<mmap>(2), B<shmat>(2), B<shmdt>(2), and the I<new_address> "
"argument of B<mremap>(2)."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"(Prior to Linux 5.6 these accepted tagged addresses, but the behaviour may "
"not be what you expect. Don't rely on it.)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"\\[oq]polymorphic\\[cq] interfaces that accept pointers to arbitrary types "
"cast to a I<void *> or other generic type, specifically B<prctl>(), "
"B<ioctl>(2), and in general B<setsockopt>(2) (only certain specific "
"B<setsockopt>(2) options allow tagged addresses)."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"This list of exclusions may shrink when moving from one kernel version to a "
"later kernel version. While the kernel may make some guarantees for "
"backwards compatibility reasons, for the purposes of new software the effect "
"of passing tagged addresses to these interfaces is unspecified."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The mode set by this call is inherited across B<fork>(2) and B<clone>(2). "
"The mode is reset by B<execve>(2) to 0 (i.e., tagged addresses not "
"permitted in the user/kernel ABI)."
msgstr ""
#
#. prctl PR_TASK_PERF_EVENTS_DISABLE
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"For more information, see the kernel source file I<Documentation/arm64/"
"tagged-address-abi.rst>."
msgstr ""
#. prctl PR_GET_TAGGED_ADDR_CTRL
#. commit 63f0c60379650d82250f22e4cf4137ef3dc4f43d
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"B<Warning:> This call is primarily intended for use by the run-time "
"environment. A successful B<PR_SET_TAGGED_ADDR_CTRL> call elsewhere may "
"crash the calling process. The conditions for using it safely are complex "
"and system-dependent. Don't use it unless you know what you are doing."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_GET_TAGGED_ADDR_CTRL> (since Linux 5.4, only on arm64)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "Returns the current tagged address mode for the calling thread."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "Arguments I<arg2>, I<arg3>, I<arg4>, and I<arg5> must all be zero."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If the arguments are invalid or this feature is disabled or unsupported by "
"the kernel, the call fails with B<EINVAL>. In particular, if "
"B<prctl>(B<PR_GET_TAGGED_ADDR_CTRL>, 0, 0, 0, 0) fails with B<EINVAL>, then "
"this feature is definitely either unsupported, or disabled via I</proc/sys/"
"abi/tagged_addr_disabled>. In this case, all addresses passed to the kernel "
"must be untagged."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Otherwise, the call returns a nonnegative value describing the current "
"tagged address mode, encoded in the same way as the I<arg2> argument of "
"B<PR_SET_TAGGED_ADDR_CTRL>."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_TASK_PERF_EVENTS_DISABLE> (since Linux 2.6.31)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Disable all performance counters attached to the calling process, regardless "
"of whether the counters were created by this process or another process. "
"Performance counters created by the calling process for other processes are "
"unaffected. For more information on performance counters, see the Linux "
"kernel source file I<tools/perf/design.txt>."
msgstr ""
#
#. commit 1d1c7ddbfab358445a542715551301b7fc363e28
#. prctl PR_TASK_PERF_EVENTS_ENABLE
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Originally called B<PR_TASK_PERF_COUNTERS_DISABLE>; renamed (retaining the "
"same numerical value) in Linux 2.6.32."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_TASK_PERF_EVENTS_ENABLE> (since Linux 2.6.31)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The converse of B<PR_TASK_PERF_EVENTS_DISABLE>; enable performance counters "
"attached to the calling process."
msgstr ""
#
#. commit 1d1c7ddbfab358445a542715551301b7fc363e28
#. commit cdd6c482c9ff9c55475ee7392ec8f672eddb7be6
#. prctl PR_SET_THP_DISABLE
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Originally called B<PR_TASK_PERF_COUNTERS_ENABLE>; renamed in Linux 2.6.32."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_THP_DISABLE> (since Linux 3.15)"
msgstr ""
#. commit a0715cc22601e8830ace98366c0c2bd8da52af52
#. prctl PR_GET_THP_DISABLE
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Set the state of the \"THP disable\" flag for the calling thread. If "
"I<arg2> has a nonzero value, the flag is set, otherwise it is cleared. "
"Setting this flag provides a method for disabling transparent huge pages for "
"jobs where the code cannot be modified, and using a malloc hook with "
"B<madvise>(2) is not an option (i.e., statically allocated data). The "
"setting of the \"THP disable\" flag is inherited by a child created via "
"B<fork>(2) and is preserved across B<execve>(2)."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_GET_THP_DISABLE> (since Linux 3.15)"
msgstr ""
#. prctl PR_GET_TID_ADDRESS
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Return (as the function result) the current setting of the \"THP disable\" "
"flag for the calling thread: either 1, if the flag is set, or 0, if it is "
"not."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_GET_TID_ADDRESS> (since Linux 3.5)"
msgstr ""
#. commit 300f786b2683f8bb1ec0afb6e1851183a479c86d
#. prctl PR_SET_TIMERSLACK
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Return the I<clear_child_tid> address set by B<set_tid_address>(2) and the "
"B<clone>(2) B<CLONE_CHILD_CLEARTID> flag, in the location pointed to by "
"I<(int\\ **)\\ arg2>. This feature is available only if the kernel is built "
"with the B<CONFIG_CHECKPOINT_RESTORE> option enabled. Note that since the "
"B<prctl>() system call does not have a compat implementation for the AMD64 "
"x32 and MIPS n32 ABIs, and the kernel writes out a pointer using the "
"kernel's pointer size, this operation expects a user-space buffer of 8 (not "
"4) bytes on these ABIs."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_TIMERSLACK> (since Linux 2.6.28)"
msgstr ""
#. See https://lwn.net/Articles/369549/
#. commit 6976675d94042fbd446231d1bd8b7de71a980ada
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Each thread has two associated timer slack values: a \"default\" value, and "
"a \"current\" value. This operation sets the \"current\" timer slack value "
"for the calling thread. I<arg2> is an unsigned long value, then maximum "
"\"current\" value is ULONG_MAX and the minimum \"current\" value is 1. If "
"the nanosecond value supplied in I<arg2> is greater than zero, then the "
"\"current\" value is set to this value. If I<arg2> is equal to zero, the "
"\"current\" timer slack is reset to the thread's \"default\" timer slack "
"value."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The \"current\" timer slack is used by the kernel to group timer expirations "
"for the calling thread that are close to one another; as a consequence, "
"timer expirations for the thread may be up to the specified number of "
"nanoseconds late (but will never expire early). Grouping timer expirations "
"can help reduce system power consumption by minimizing CPU wake-ups."
msgstr ""
#. List obtained by grepping for futex usage in glibc source
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The timer expirations affected by timer slack are those set by B<select>(2), "
"B<pselect>(2), B<poll>(2), B<ppoll>(2), B<epoll_wait>(2), B<epoll_pwait>(2), "
"B<clock_nanosleep>(2), B<nanosleep>(2), and B<futex>(2) (and thus the "
"library functions implemented via futexes, including "
"B<pthread_cond_timedwait>(3), B<pthread_mutex_timedlock>(3), "
"B<pthread_rwlock_timedrdlock>(3), B<pthread_rwlock_timedwrlock>(3), and "
"B<sem_timedwait>(3))."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Timer slack is not applied to threads that are scheduled under a real-time "
"scheduling policy (see B<sched_setscheduler>(2))."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"When a new thread is created, the two timer slack values are made the same "
"as the \"current\" value of the creating thread. Thereafter, a thread can "
"adjust its \"current\" timer slack value via B<PR_SET_TIMERSLACK>. The "
"\"default\" value can't be changed. The timer slack values of I<init> (PID "
"1), the ancestor of all processes, are 50,000 nanoseconds (50 "
"microseconds). The timer slack value is inherited by a child created via "
"B<fork>(2), and is preserved across B<execve>(2)."
msgstr ""
#. prctl PR_GET_TIMERSLACK
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Since Linux 4.6, the \"current\" timer slack value of any process can be "
"examined and changed via the file I</proc/>pidI</timerslack_ns>. See "
"B<proc>(5)."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_GET_TIMERSLACK> (since Linux 2.6.28)"
msgstr ""
#. prctl PR_SET_TIMING
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Return (as the function result) the \"current\" timer slack value of the "
"calling thread."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_TIMING> (since Linux 2.6.0)"
msgstr ""
#. Precisely: Linux 2.6.0-test4
#. 0
#. 1
#. PR_TIMING_TIMESTAMP doesn't do anything in Linux 2.6.26-rc8,
#. and looking at the patch history, it appears
#. that it never did anything.
#. prctl PR_GET_TIMING
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Set whether to use (normal, traditional) statistical process timing or "
"accurate timestamp-based process timing, by passing B<PR_TIMING_STATISTICAL> "
"or B<PR_TIMING_TIMESTAMP> to I<arg2>. B<PR_TIMING_TIMESTAMP> is not "
"currently implemented (attempting to set this mode will yield the error "
"B<EINVAL>)."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_GET_TIMING> (since Linux 2.6.0)"
msgstr ""
#. Precisely: Linux 2.6.0-test4
#. prctl PR_SET_TSC
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Return (as the function result) which process timing method is currently in "
"use."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_TSC> (since Linux 2.6.26, x86 only)"
msgstr ""
#. prctl PR_GET_TSC
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Set the state of the flag determining whether the timestamp counter can be "
"read by the process. Pass B<PR_TSC_ENABLE> to I<arg2> to allow it to be "
"read, or B<PR_TSC_SIGSEGV> to generate a B<SIGSEGV> when the process tries "
"to read the timestamp counter."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_GET_TSC> (since Linux 2.6.26, x86 only)"
msgstr ""
#. prctl PR_SET_UNALIGN
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Return the state of the flag determining whether the timestamp counter can "
"be read, in the location pointed to by I<(int\\ *) arg2>."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_UNALIGN>"
msgstr ""
#. sh: 94ea5e449ae834af058ef005d16a8ad44fcf13d6
#. tile: 2f9ac29eec71a696cb0dcc5fb82c0f8d4dac28c9
#. prctl PR_GET_UNALIGN
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"(Only on: ia64, since Linux 2.3.48; parisc, since Linux 2.6.15; PowerPC, "
"since Linux 2.6.18; Alpha, since Linux 2.6.22; sh, since Linux 2.6.34; tile, "
"since Linux 3.12) Set unaligned access control bits to I<arg2>. Pass "
"B<PR_UNALIGN_NOPRINT> to silently fix up unaligned user accesses, or "
"B<PR_UNALIGN_SIGBUS> to generate B<SIGBUS> on unaligned user access. Alpha "
"also supports an additional flag with the value of 4 and no corresponding "
"named constant, which instructs kernel to not fix up unaligned accesses (it "
"is analogous to providing the B<UAC_NOFIX> flag in B<SSI_NVPAIRS> operation "
"of the B<setsysinfo>() system call on Tru64)."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<PR_GET_UNALIGN>"
msgstr ""
#. #-#-#-#-# archlinux: prctl.2.pot (PACKAGE VERSION) #-#-#-#-#
#. prctl PR_GET_AUXV
#. type: Plain text
#. #-#-#-#-# debian-bookworm: prctl.2.pot (PACKAGE VERSION) #-#-#-#-#
#. type: Plain text
#. #-#-#-#-# debian-unstable: prctl.2.pot (PACKAGE VERSION) #-#-#-#-#
#. prctl PR_GET_AUXV
#. type: Plain text
#. #-#-#-#-# fedora-40: prctl.2.pot (PACKAGE VERSION) #-#-#-#-#
#. prctl PR_GET_AUXV
#. type: Plain text
#. #-#-#-#-# fedora-rawhide: prctl.2.pot (PACKAGE VERSION) #-#-#-#-#
#. prctl PR_GET_AUXV
#. type: Plain text
#. #-#-#-#-# mageia-cauldron: prctl.2.pot (PACKAGE VERSION) #-#-#-#-#
#. prctl PR_GET_AUXV
#. type: Plain text
#. #-#-#-#-# opensuse-leap-15-6: prctl.2.pot (PACKAGE VERSION) #-#-#-#-#
#. type: Plain text
#. #-#-#-#-# opensuse-tumbleweed: prctl.2.pot (PACKAGE VERSION) #-#-#-#-#
#. prctl PR_GET_AUXV
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"(See B<PR_SET_UNALIGN> for information on versions and architectures.) "
"Return unaligned access control bits, in the location pointed to by "
"I<(unsigned int\\ *) arg2>."
msgstr ""
#. type: TP
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
#, no-wrap
msgid "B<PR_GET_AUXV> (since Linux 6.4)"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
msgid ""
"Get the auxiliary vector (auxv) into the buffer pointed to by I<(void\\ *) "
"arg2>, whose length is given by I<arg3>. If the buffer is not long enough "
"for the full auxiliary vector, the copy will be truncated. Return (as the "
"function result) the full length of the auxiliary vector. I<arg4> and "
"I<arg5> must be 0."
msgstr ""
#. type: TP
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
#, no-wrap
msgid "B<PR_SET_MDWE> (since Linux 6.3)"
msgstr ""
#. commit b507808ebce23561d4ff8c2aa1fb949fe402bc61
#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
msgid ""
"Set the calling process' Memory-Deny-Write-Execute protection mask. Once "
"protection bits are set, they can not be changed. I<arg2> must be a bit "
"mask of:"
msgstr ""
#. type: TP
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
#, no-wrap
msgid "B<PR_MDWE_REFUSE_EXEC_GAIN>"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
msgid ""
"New memory mapping protections can't be writable and executable. Non-"
"executable mappings can't become executable."
msgstr ""
#. type: TP
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
#, no-wrap
msgid "B<PR_MDWE_NO_INHERIT (since Linux 6.6)>"
msgstr ""
#. commit 2a87e5520554034e8c423479740f95bea4a086a0
#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
msgid ""
"Do not propagate MDWE protection to child processes on B<fork>(2). Setting "
"this bit requires setting B<PR_MDWE_REFUSE_EXEC_GAIN> too."
msgstr ""
#. type: TP
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
#, no-wrap
msgid "B<PR_GET_MDWE> (since Linux 6.3)"
msgstr ""
#. commit b507808ebce23561d4ff8c2aa1fb949fe402bc61
#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
msgid ""
"Return (as the function result) the Memory-Deny-Write-Execute protection "
"mask of the calling process. (See B<PR_SET_MDWE> for information on the "
"protection mask bits.)"
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "RETURN VALUE"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"On success, B<PR_CAP_AMBIENT>+B<PR_CAP_AMBIENT_IS_SET>, B<PR_CAPBSET_READ>, "
"B<PR_GET_DUMPABLE>, B<PR_GET_FP_MODE>, B<PR_GET_IO_FLUSHER>, "
"B<PR_GET_KEEPCAPS>, B<PR_MCE_KILL_GET>, B<PR_GET_NO_NEW_PRIVS>, "
"B<PR_GET_SECUREBITS>, B<PR_GET_SPECULATION_CTRL>, B<PR_SVE_GET_VL>, "
"B<PR_SVE_SET_VL>, B<PR_GET_TAGGED_ADDR_CTRL>, B<PR_GET_THP_DISABLE>, "
"B<PR_GET_TIMING>, B<PR_GET_TIMERSLACK>, B<PR_GET_AUXV>, and (if it returns) "
"B<PR_GET_SECCOMP> return the nonnegative values described above. All other "
"I<op> values return 0 on success. On error, -1 is returned, and I<errno> is "
"set to indicate the error."
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "ERRORS"
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<EACCES>"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> is B<PR_SET_SECCOMP> and I<arg2> is B<SECCOMP_MODE_FILTER>, but the "
"process does not have the B<CAP_SYS_ADMIN> capability or has not set the "
"I<no_new_privs> attribute (see the discussion of B<PR_SET_NO_NEW_PRIVS> "
"above)."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> is B<PR_SET_MM>, and I<arg3> is B<PR_SET_MM_EXE_FILE>, the file is not "
"executable."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<EBADF>"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> is B<PR_SET_MM>, I<arg3> is B<PR_SET_MM_EXE_FILE>, and the file "
"descriptor passed in I<arg4> is not valid."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<EBUSY>"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> is B<PR_SET_MM>, I<arg3> is B<PR_SET_MM_EXE_FILE>, and this the second "
"attempt to change the I</proc/>pidI</exe> symbolic link, which is prohibited."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<EFAULT>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "I<arg2> is an invalid address."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> is B<PR_SET_SECCOMP>, I<arg2> is B<SECCOMP_MODE_FILTER>, the system "
"was built with B<CONFIG_SECCOMP_FILTER>, and I<arg3> is an invalid address."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> is B<PR_SET_SYSCALL_USER_DISPATCH> and I<arg5> has an invalid address."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<EINVAL>"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid "The value of I<op> is not recognized, or not supported on this system."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> is B<PR_MCE_KILL> or B<PR_MCE_KILL_GET> or B<PR_SET_MM>, and unused "
"B<prctl>() arguments were not specified as zero."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid "I<arg2> is not valid value for this I<op>."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> is B<PR_SET_SECCOMP> or B<PR_GET_SECCOMP>, and the kernel was not "
"configured with B<CONFIG_SECCOMP>."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> is B<PR_SET_SECCOMP>, I<arg2> is B<SECCOMP_MODE_FILTER>, and the "
"kernel was not configured with B<CONFIG_SECCOMP_FILTER>."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid "I<op> is B<PR_SET_MM>, and one of the following is true"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "I<arg4> or I<arg5> is nonzero;"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"I<arg3> is greater than B<TASK_SIZE> (the limit on the size of the user "
"address space for this architecture);"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"I<arg2> is B<PR_SET_MM_START_CODE>, B<PR_SET_MM_END_CODE>, "
"B<PR_SET_MM_START_DATA>, B<PR_SET_MM_END_DATA>, or B<PR_SET_MM_START_STACK>, "
"and the permissions of the corresponding memory area are not as required;"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"I<arg2> is B<PR_SET_MM_START_BRK> or B<PR_SET_MM_BRK>, and I<arg3> is less "
"than or equal to the end of the data segment or specifies a value that would "
"cause the B<RLIMIT_DATA> resource limit to be exceeded."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> is B<PR_SET_PTRACER> and I<arg2> is not 0, B<PR_SET_PTRACER_ANY>, or "
"the PID of an existing process."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid "I<op> is B<PR_SET_PDEATHSIG> and I<arg2> is not a valid signal number."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> is B<PR_SET_DUMPABLE> and I<arg2> is neither B<SUID_DUMP_DISABLE> nor "
"B<SUID_DUMP_USER>."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid "I<op> is B<PR_SET_TIMING> and I<arg2> is not B<PR_TIMING_STATISTICAL>."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> is B<PR_SET_NO_NEW_PRIVS> and I<arg2> is not equal to 1 or I<arg3>, "
"I<arg4>, or I<arg5> is nonzero."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> is B<PR_GET_NO_NEW_PRIVS> and I<arg2>, I<arg3>, I<arg4>, or I<arg5> is "
"nonzero."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> is B<PR_SET_THP_DISABLE> and I<arg3>, I<arg4>, or I<arg5> is nonzero."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> is B<PR_GET_THP_DISABLE> and I<arg2>, I<arg3>, I<arg4>, or I<arg5> is "
"nonzero."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> is B<PR_CAP_AMBIENT> and an unused argument (I<arg4>, I<arg5>, or, in "
"the case of B<PR_CAP_AMBIENT_CLEAR_ALL>, I<arg3>) is nonzero; or I<arg2> "
"has an invalid value; or I<arg2> is B<PR_CAP_AMBIENT_LOWER>, "
"B<PR_CAP_AMBIENT_RAISE>, or B<PR_CAP_AMBIENT_IS_SET> and I<arg3> does not "
"specify a valid capability."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> was B<PR_GET_SPECULATION_CTRL> or B<PR_SET_SPECULATION_CTRL> and "
"unused arguments to B<prctl>() are not 0."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> is B<PR_PAC_RESET_KEYS> and the arguments are invalid or unsupported. "
"See the description of B<PR_PAC_RESET_KEYS> above for details."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> is B<PR_SVE_SET_VL> and the arguments are invalid or unsupported, or "
"SVE is not available on this platform. See the description of "
"B<PR_SVE_SET_VL> above for details."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid "I<op> is B<PR_SVE_GET_VL> and SVE is not available on this platform."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> is B<PR_SET_SYSCALL_USER_DISPATCH> and one of the following is true:"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"I<arg2> is B<PR_SYS_DISPATCH_OFF> and the remaining arguments are not 0;"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"I<arg2> is B<PR_SYS_DISPATCH_ON> and the memory range specified is outside "
"the address space of the process."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "I<arg2> is invalid."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> is B<PR_SET_TAGGED_ADDR_CTRL> and the arguments are invalid or "
"unsupported. See the description of B<PR_SET_TAGGED_ADDR_CTRL> above for "
"details."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> is B<PR_GET_TAGGED_ADDR_CTRL> and the arguments are invalid or "
"unsupported. See the description of B<PR_GET_TAGGED_ADDR_CTRL> above for "
"details."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<ENODEV>"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> was B<PR_SET_SPECULATION_CTRL> the kernel or CPU does not support the "
"requested speculation misfeature."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<ENXIO>"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> was B<PR_MPX_ENABLE_MANAGEMENT> or B<PR_MPX_DISABLE_MANAGEMENT> and "
"the kernel or the CPU does not support MPX management. Check that the "
"kernel and processor have MPX support."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> was B<PR_SET_SPECULATION_CTRL> implies that the control of the "
"selected speculation misfeature is not possible. See "
"B<PR_GET_SPECULATION_CTRL> for the bit fields to determine which option is "
"available."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<EOPNOTSUPP>"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> is B<PR_SET_FP_MODE> and I<arg2> has an invalid or unsupported value."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<EPERM>"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> is B<PR_SET_SECUREBITS>, and the caller does not have the "
"B<CAP_SETPCAP> capability, or tried to unset a \"locked\" flag, or tried to "
"set a flag whose corresponding locked flag was set (see B<capabilities>(7))."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> is B<PR_SET_SPECULATION_CTRL> wherein the speculation was disabled "
"with B<PR_SPEC_FORCE_DISABLE> and caller tried to enable it again."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> is B<PR_SET_KEEPCAPS>, and the caller's B<SECBIT_KEEP_CAPS_LOCKED> "
"flag is set (see B<capabilities>(7))."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> is B<PR_CAPBSET_DROP>, and the caller does not have the B<CAP_SETPCAP> "
"capability."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> is B<PR_SET_MM>, and the caller does not have the B<CAP_SYS_RESOURCE> "
"capability."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> is B<PR_CAP_AMBIENT> and I<arg2> is B<PR_CAP_AMBIENT_RAISE>, but "
"either the capability specified in I<arg3> is not present in the process's "
"permitted and inheritable capability sets, or the B<PR_CAP_AMBIENT_LOWER> "
"securebit has been set."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<ERANGE>"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<op> was B<PR_SET_SPECULATION_CTRL> and I<arg3> is not B<PR_SPEC_ENABLE>, "
"B<PR_SPEC_DISABLE>, B<PR_SPEC_FORCE_DISABLE>, nor B<PR_SPEC_DISABLE_NOEXEC>."
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "VERSIONS"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"IRIX has a B<prctl>() system call (also introduced in Linux 2.1.44 as "
"irix_prctl on the MIPS architecture), with prototype"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
#, no-wrap
msgid "B<ptrdiff_t prctl(int >I<op>B<, int >I<arg2>B<, int >I<arg3>B<);>\n"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
msgid ""
"and operations to get the maximum number of processes per user, get the "
"maximum number of processors the calling process can use, find out whether a "
"specified process is currently blocked, get or set the maximum stack size, "
"and so on."
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "STANDARDS"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-leap-15-6 opensuse-tumbleweed
msgid "Linux."
msgstr ""
#. type: SH
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "HISTORY"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-leap-15-6 opensuse-tumbleweed
msgid "Linux 2.1.57, glibc 2.0.6"
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "SEE ALSO"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "B<signal>(2), B<core>(5)"
msgstr ""
#. type: TH
#: debian-bookworm
#, no-wrap
msgid "2023-02-10"
msgstr ""
#. type: TH
#: debian-bookworm
#, no-wrap
msgid "Linux man-pages 6.03"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"B<int prctl(int >I<option>B<, unsigned long >I<arg2>B<, unsigned long >I<arg3>B<,>\n"
"B< unsigned long >I<arg4>B<, unsigned long >I<arg5>B<);>\n"
msgstr ""
#. type: Plain text
#: debian-bookworm fedora-40 mageia-cauldron opensuse-leap-15-6
msgid ""
"Applications that use the O32 FP32 ABI can operate only when this bit is "
"I<unset> (B<FR=0>; or they can be used with FRE enabled, see below). "
"Applications that use the O32 FP64 ABI (and the O32 FP64A ABI, which exists "
"to provide the ability to operate with existing FP32 code; see below) can "
"operate only when this bit is I<set> (B<FR=1>). Applications that use the "
"O32 FPXX ABI can operate with either B<FR=0> or B<FR=1 .>"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"This option is mainly intended for use by the dynamic linker (B<ld.so>(8))."
msgstr ""
#. type: TP
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid "B<PR_MPX_ENABLE_MANAGEMENT>, B<PR_MPX_DISABLE_MANAGEMENT> (since Linux 3.19, removed in Linux 5.4; only on x86)"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"Set the parent-death signal of the calling process to I<arg2> (either a "
"signal value in the range 1..B<NSIG>-1B<,> or 0 to clear). This is the "
"signal that the calling process will get when its parent dies."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"On success, B<PR_CAP_AMBIENT>+B<PR_CAP_AMBIENT_IS_SET>, B<PR_CAPBSET_READ>, "
"B<PR_GET_DUMPABLE>, B<PR_GET_FP_MODE>, B<PR_GET_IO_FLUSHER>, "
"B<PR_GET_KEEPCAPS>, B<PR_MCE_KILL_GET>, B<PR_GET_NO_NEW_PRIVS>, "
"B<PR_GET_SECUREBITS>, B<PR_GET_SPECULATION_CTRL>, B<PR_SVE_GET_VL>, "
"B<PR_SVE_SET_VL>, B<PR_GET_TAGGED_ADDR_CTRL>, B<PR_GET_THP_DISABLE>, "
"B<PR_GET_TIMING>, B<PR_GET_TIMERSLACK>, and (if it returns) "
"B<PR_GET_SECCOMP> return the nonnegative values described above. All other "
"I<option> values return 0 on success. On error, -1 is returned, and "
"I<errno> is set to indicate the error."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_SET_SECCOMP> and I<arg2> is B<SECCOMP_MODE_FILTER>, but "
"the process does not have the B<CAP_SYS_ADMIN> capability or has not set the "
"I<no_new_privs> attribute (see the discussion of B<PR_SET_NO_NEW_PRIVS> "
"above)."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_SET_MM>, and I<arg3> is B<PR_SET_MM_EXE_FILE>, the file is "
"not executable."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_SET_MM>, I<arg3> is B<PR_SET_MM_EXE_FILE>, and the file "
"descriptor passed in I<arg4> is not valid."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_SET_MM>, I<arg3> is B<PR_SET_MM_EXE_FILE>, and this the "
"second attempt to change the I</proc/>pidI</exe> symbolic link, which is "
"prohibited."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_SET_SECCOMP>, I<arg2> is B<SECCOMP_MODE_FILTER>, the "
"system was built with B<CONFIG_SECCOMP_FILTER>, and I<arg3> is an invalid "
"address."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_SET_SYSCALL_USER_DISPATCH> and I<arg5> has an invalid "
"address."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"The value of I<option> is not recognized, or not supported on this system."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_MCE_KILL> or B<PR_MCE_KILL_GET> or B<PR_SET_MM>, and "
"unused B<prctl>() arguments were not specified as zero."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid "I<arg2> is not valid value for this I<option>."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_SET_SECCOMP> or B<PR_GET_SECCOMP>, and the kernel was not "
"configured with B<CONFIG_SECCOMP>."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_SET_SECCOMP>, I<arg2> is B<SECCOMP_MODE_FILTER>, and the "
"kernel was not configured with B<CONFIG_SECCOMP_FILTER>."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid "I<option> is B<PR_SET_MM>, and one of the following is true"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_SET_PTRACER> and I<arg2> is not 0, B<PR_SET_PTRACER_ANY>, "
"or the PID of an existing process."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_SET_PDEATHSIG> and I<arg2> is not a valid signal number."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_SET_DUMPABLE> and I<arg2> is neither B<SUID_DUMP_DISABLE> "
"nor B<SUID_DUMP_USER>."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_SET_TIMING> and I<arg2> is not B<PR_TIMING_STATISTICAL>."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_SET_NO_NEW_PRIVS> and I<arg2> is not equal to 1 or "
"I<arg3>, I<arg4>, or I<arg5> is nonzero."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_GET_NO_NEW_PRIVS> and I<arg2>, I<arg3>, I<arg4>, or "
"I<arg5> is nonzero."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_SET_THP_DISABLE> and I<arg3>, I<arg4>, or I<arg5> is "
"nonzero."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_GET_THP_DISABLE> and I<arg2>, I<arg3>, I<arg4>, or I<arg5> "
"is nonzero."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_CAP_AMBIENT> and an unused argument (I<arg4>, I<arg5>, or, "
"in the case of B<PR_CAP_AMBIENT_CLEAR_ALL>, I<arg3>) is nonzero; or I<arg2> "
"has an invalid value; or I<arg2> is B<PR_CAP_AMBIENT_LOWER>, "
"B<PR_CAP_AMBIENT_RAISE>, or B<PR_CAP_AMBIENT_IS_SET> and I<arg3> does not "
"specify a valid capability."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> was B<PR_GET_SPECULATION_CTRL> or B<PR_SET_SPECULATION_CTRL> and "
"unused arguments to B<prctl>() are not 0. B<EINVAL> I<option> is "
"B<PR_PAC_RESET_KEYS> and the arguments are invalid or unsupported. See the "
"description of B<PR_PAC_RESET_KEYS> above for details."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_SVE_SET_VL> and the arguments are invalid or unsupported, "
"or SVE is not available on this platform. See the description of "
"B<PR_SVE_SET_VL> above for details."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_SVE_GET_VL> and SVE is not available on this platform."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_SET_SYSCALL_USER_DISPATCH> and one of the following is "
"true:"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_SET_TAGGED_ADDR_CTRL> and the arguments are invalid or "
"unsupported. See the description of B<PR_SET_TAGGED_ADDR_CTRL> above for "
"details."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_GET_TAGGED_ADDR_CTRL> and the arguments are invalid or "
"unsupported. See the description of B<PR_GET_TAGGED_ADDR_CTRL> above for "
"details."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> was B<PR_SET_SPECULATION_CTRL> the kernel or CPU does not support "
"the requested speculation misfeature."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> was B<PR_MPX_ENABLE_MANAGEMENT> or B<PR_MPX_DISABLE_MANAGEMENT> "
"and the kernel or the CPU does not support MPX management. Check that the "
"kernel and processor have MPX support."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> was B<PR_SET_SPECULATION_CTRL> implies that the control of the "
"selected speculation misfeature is not possible. See "
"B<PR_GET_SPECULATION_CTRL> for the bit fields to determine which option is "
"available."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_SET_FP_MODE> and I<arg2> has an invalid or unsupported "
"value."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_SET_SECUREBITS>, and the caller does not have the "
"B<CAP_SETPCAP> capability, or tried to unset a \"locked\" flag, or tried to "
"set a flag whose corresponding locked flag was set (see B<capabilities>(7))."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_SET_SPECULATION_CTRL> wherein the speculation was disabled "
"with B<PR_SPEC_FORCE_DISABLE> and caller tried to enable it again."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_SET_KEEPCAPS>, and the caller's B<SECBIT_KEEP_CAPS_LOCKED> "
"flag is set (see B<capabilities>(7))."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_CAPBSET_DROP>, and the caller does not have the "
"B<CAP_SETPCAP> capability."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_SET_MM>, and the caller does not have the "
"B<CAP_SYS_RESOURCE> capability."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> is B<PR_CAP_AMBIENT> and I<arg2> is B<PR_CAP_AMBIENT_RAISE>, but "
"either the capability specified in I<arg3> is not present in the process's "
"permitted and inheritable capability sets, or the B<PR_CAP_AMBIENT_LOWER> "
"securebit has been set."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"I<option> was B<PR_SET_SPECULATION_CTRL> and I<arg3> is not "
"B<PR_SPEC_ENABLE>, B<PR_SPEC_DISABLE>, B<PR_SPEC_FORCE_DISABLE>, nor "
"B<PR_SPEC_DISABLE_NOEXEC>."
msgstr ""
#. The library interface was added in glibc 2.0.6
#. type: Plain text
#: debian-bookworm
msgid "The B<prctl>() system call was introduced in Linux 2.1.57."
msgstr ""
#. type: Plain text
#: debian-bookworm
msgid ""
"This call is Linux-specific. IRIX has a B<prctl>() system call (also "
"introduced in Linux 2.1.44 as irix_prctl on the MIPS architecture), with "
"prototype"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid "B<ptrdiff_t prctl(int >I<option>B<, int >I<arg2>B<, int >I<arg3>B<);>\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
msgid ""
"and options to get the maximum number of processes per user, get the maximum "
"number of processors the calling process can use, find out whether a "
"specified process is currently blocked, get or set the maximum stack size, "
"and so on."
msgstr ""
#. type: TH
#: fedora-40 mageia-cauldron
#, no-wrap
msgid "2023-10-31"
msgstr ""
#. type: TH
#: fedora-40 mageia-cauldron
#, no-wrap
msgid "Linux man-pages 6.06"
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
#, no-wrap
msgid ""
"B<int prctl(int >I<operation>B<, ...>\n"
"B< >/*B< unsigned long >I<arg2>B<, unsigned long >I<arg3>B<,>\n"
"B< unsigned long >I<arg4>B<, unsigned long >I<arg5>B< >*/B< );>\n"
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"On success, B<PR_CAP_AMBIENT>+B<PR_CAP_AMBIENT_IS_SET>, B<PR_CAPBSET_READ>, "
"B<PR_GET_DUMPABLE>, B<PR_GET_FP_MODE>, B<PR_GET_IO_FLUSHER>, "
"B<PR_GET_KEEPCAPS>, B<PR_MCE_KILL_GET>, B<PR_GET_NO_NEW_PRIVS>, "
"B<PR_GET_SECUREBITS>, B<PR_GET_SPECULATION_CTRL>, B<PR_SVE_GET_VL>, "
"B<PR_SVE_SET_VL>, B<PR_GET_TAGGED_ADDR_CTRL>, B<PR_GET_THP_DISABLE>, "
"B<PR_GET_TIMING>, B<PR_GET_TIMERSLACK>, B<PR_GET_AUXV>, and (if it returns) "
"B<PR_GET_SECCOMP> return the nonnegative values described above. All other "
"I<operation> values return 0 on success. On error, -1 is returned, and "
"I<errno> is set to indicate the error."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_SET_SECCOMP> and I<arg2> is B<SECCOMP_MODE_FILTER>, but "
"the process does not have the B<CAP_SYS_ADMIN> capability or has not set the "
"I<no_new_privs> attribute (see the discussion of B<PR_SET_NO_NEW_PRIVS> "
"above)."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_SET_MM>, and I<arg3> is B<PR_SET_MM_EXE_FILE>, the file "
"is not executable."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_SET_MM>, I<arg3> is B<PR_SET_MM_EXE_FILE>, and the file "
"descriptor passed in I<arg4> is not valid."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_SET_MM>, I<arg3> is B<PR_SET_MM_EXE_FILE>, and this the "
"second attempt to change the I</proc/>pidI</exe> symbolic link, which is "
"prohibited."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_SET_SECCOMP>, I<arg2> is B<SECCOMP_MODE_FILTER>, the "
"system was built with B<CONFIG_SECCOMP_FILTER>, and I<arg3> is an invalid "
"address."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_SET_SYSCALL_USER_DISPATCH> and I<arg5> has an invalid "
"address."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"The value of I<operation> is not recognized, or not supported on this system."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_MCE_KILL> or B<PR_MCE_KILL_GET> or B<PR_SET_MM>, and "
"unused B<prctl>() arguments were not specified as zero."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid "I<arg2> is not valid value for this I<operation>."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_SET_SECCOMP> or B<PR_GET_SECCOMP>, and the kernel was "
"not configured with B<CONFIG_SECCOMP>."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_SET_SECCOMP>, I<arg2> is B<SECCOMP_MODE_FILTER>, and "
"the kernel was not configured with B<CONFIG_SECCOMP_FILTER>."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid "I<operation> is B<PR_SET_MM>, and one of the following is true"
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_SET_PTRACER> and I<arg2> is not 0, "
"B<PR_SET_PTRACER_ANY>, or the PID of an existing process."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_SET_PDEATHSIG> and I<arg2> is not a valid signal number."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_SET_DUMPABLE> and I<arg2> is neither "
"B<SUID_DUMP_DISABLE> nor B<SUID_DUMP_USER>."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_SET_TIMING> and I<arg2> is not B<PR_TIMING_STATISTICAL>."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_SET_NO_NEW_PRIVS> and I<arg2> is not equal to 1 or "
"I<arg3>, I<arg4>, or I<arg5> is nonzero."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_GET_NO_NEW_PRIVS> and I<arg2>, I<arg3>, I<arg4>, or "
"I<arg5> is nonzero."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_SET_THP_DISABLE> and I<arg3>, I<arg4>, or I<arg5> is "
"nonzero."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_GET_THP_DISABLE> and I<arg2>, I<arg3>, I<arg4>, or "
"I<arg5> is nonzero."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_CAP_AMBIENT> and an unused argument (I<arg4>, I<arg5>, "
"or, in the case of B<PR_CAP_AMBIENT_CLEAR_ALL>, I<arg3>) is nonzero; or "
"I<arg2> has an invalid value; or I<arg2> is B<PR_CAP_AMBIENT_LOWER>, "
"B<PR_CAP_AMBIENT_RAISE>, or B<PR_CAP_AMBIENT_IS_SET> and I<arg3> does not "
"specify a valid capability."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> was B<PR_GET_SPECULATION_CTRL> or B<PR_SET_SPECULATION_CTRL> "
"and unused arguments to B<prctl>() are not 0."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_PAC_RESET_KEYS> and the arguments are invalid or "
"unsupported. See the description of B<PR_PAC_RESET_KEYS> above for details."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_SVE_SET_VL> and the arguments are invalid or "
"unsupported, or SVE is not available on this platform. See the description "
"of B<PR_SVE_SET_VL> above for details."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_SVE_GET_VL> and SVE is not available on this platform."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_SET_SYSCALL_USER_DISPATCH> and one of the following is "
"true:"
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_SET_TAGGED_ADDR_CTRL> and the arguments are invalid or "
"unsupported. See the description of B<PR_SET_TAGGED_ADDR_CTRL> above for "
"details."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_GET_TAGGED_ADDR_CTRL> and the arguments are invalid or "
"unsupported. See the description of B<PR_GET_TAGGED_ADDR_CTRL> above for "
"details."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> was B<PR_SET_SPECULATION_CTRL> the kernel or CPU does not "
"support the requested speculation misfeature."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> was B<PR_MPX_ENABLE_MANAGEMENT> or B<PR_MPX_DISABLE_MANAGEMENT> "
"and the kernel or the CPU does not support MPX management. Check that the "
"kernel and processor have MPX support."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> was B<PR_SET_SPECULATION_CTRL> implies that the control of the "
"selected speculation misfeature is not possible. See "
"B<PR_GET_SPECULATION_CTRL> for the bit fields to determine which option is "
"available."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_SET_FP_MODE> and I<arg2> has an invalid or unsupported "
"value."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_SET_SECUREBITS>, and the caller does not have the "
"B<CAP_SETPCAP> capability, or tried to unset a \"locked\" flag, or tried to "
"set a flag whose corresponding locked flag was set (see B<capabilities>(7))."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_SET_SPECULATION_CTRL> wherein the speculation was "
"disabled with B<PR_SPEC_FORCE_DISABLE> and caller tried to enable it again."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_SET_KEEPCAPS>, and the caller's "
"B<SECBIT_KEEP_CAPS_LOCKED> flag is set (see B<capabilities>(7))."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_CAPBSET_DROP>, and the caller does not have the "
"B<CAP_SETPCAP> capability."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_SET_MM>, and the caller does not have the "
"B<CAP_SYS_RESOURCE> capability."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> is B<PR_CAP_AMBIENT> and I<arg2> is B<PR_CAP_AMBIENT_RAISE>, "
"but either the capability specified in I<arg3> is not present in the "
"process's permitted and inheritable capability sets, or the "
"B<PR_CAP_AMBIENT_LOWER> securebit has been set."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
msgid ""
"I<operation> was B<PR_SET_SPECULATION_CTRL> and I<arg3> is not "
"B<PR_SPEC_ENABLE>, B<PR_SPEC_DISABLE>, B<PR_SPEC_FORCE_DISABLE>, nor "
"B<PR_SPEC_DISABLE_NOEXEC>."
msgstr ""
#. type: Plain text
#: fedora-40 mageia-cauldron
#, no-wrap
msgid "B<ptrdiff_t prctl(int >I<operation>B<, int >I<arg2>B<, int >I<arg3>B<);>\n"
msgstr ""
#. type: TH
#: fedora-rawhide
#, no-wrap
msgid "2024-03-03"
msgstr ""
#. type: TH
#: fedora-rawhide
#, no-wrap
msgid "Linux man-pages 6.7"
msgstr ""
#. type: TH
#: opensuse-leap-15-6
#, no-wrap
msgid "2023-04-01"
msgstr ""
#. type: TH
#: opensuse-leap-15-6
#, no-wrap
msgid "Linux man-pages 6.04"
msgstr ""
#. type: TH
#: opensuse-tumbleweed
#, no-wrap
msgid "Linux man-pages (unreleased)"
msgstr ""
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