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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 06:02+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 "memfd_create"
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 "memfd_create - create an anonymous file"
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<#define _GNU_SOURCE> /* See feature_test_macros(7) */\n"
"B<#include E<lt>sys/mman.hE<gt>>\n"
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<int memfd_create(const char *>I<name>B<, unsigned int >I<flags>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 ""
#. David Herrmann:
#. memfd uses VM_NORESERVE so each page is accounted on first access.
#. This means, the overcommit-limits (see __vm_enough_memory()) and the
#. memory-cgroup limits (mem_cgroup_try_charge()) are applied. Note that
#. those are accounted on "current" and "current->mm", that is, the
#. process doing the first page access.
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"B<memfd_create>() creates an anonymous file and returns a file descriptor "
"that refers to it. The file behaves like a regular file, and so can be "
"modified, truncated, memory-mapped, and so on. However, unlike a regular "
"file, it lives in RAM and has a volatile backing storage. Once all "
"references to the file are dropped, it is automatically released. Anonymous "
"memory is used for all backing pages of the file. Therefore, files created "
"by B<memfd_create>() have the same semantics as other anonymous memory "
"allocations such as those allocated using B<mmap>(2) with the "
"B<MAP_ANONYMOUS> flag."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The initial size of the file is set to 0. Following the call, the file size "
"should be set using B<ftruncate>(2). (Alternatively, the file may be "
"populated by calls to B<write>(2) or similar.)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The name supplied in I<name> is used as a filename and will be displayed as "
"the target of the corresponding symbolic link in the directory I</proc/self/"
"fd/>. The displayed name is always prefixed with I<memfd:> and serves only "
"for debugging purposes. Names do not affect the behavior of the file "
"descriptor, and as such multiple files can have the same name without any "
"side effects."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The following values may be bitwise ORed in I<flags> to change the behavior "
"of B<memfd_create>():"
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<MFD_CLOEXEC>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Set the close-on-exec (B<FD_CLOEXEC>) flag on the new file descriptor. See "
"the description of the B<O_CLOEXEC> flag in B<open>(2) for reasons why this "
"may be useful."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<MFD_ALLOW_SEALING>"
msgstr ""
#. FIXME Why is the MFD_ALLOW_SEALING behavior not simply the default?
#. Is it worth adding some text explaining this?
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Allow sealing operations on this file. See the discussion of the "
"B<F_ADD_SEALS> and B<F_GET_SEALS> operations in B<fcntl>(2), and also NOTES, "
"below. The initial set of seals is empty. If this flag is not set, the "
"initial set of seals will be B<F_SEAL_SEAL>, meaning that no other seals can "
"be set on the file."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<MFD_HUGETLB> (since Linux 4.14)"
msgstr ""
#. commit 749df87bd7bee5a79cef073f5d032ddb2b211de8
#. commit 47b9012ecdc747f6936395265e677d41e11a31ff
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The anonymous file will be created in the hugetlbfs filesystem using huge "
"pages. See the Linux kernel source file I<Documentation/admin-guide/mm/"
"hugetlbpage.rst> for more information about hugetlbfs. Specifying both "
"B<MFD_HUGETLB> and B<MFD_ALLOW_SEALING> in I<flags> is supported since Linux "
"4.16."
msgstr ""
#. type: TP
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
#, no-wrap
msgid "B<MFD_HUGE_2MB>"
msgstr ""
#. type: TQ
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
#, no-wrap
msgid "B<MFD_HUGE_1GB>"
msgstr ""
#. type: TQ
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
#, no-wrap
msgid "\\&.\\|.\\|."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Used in conjunction with B<MFD_HUGETLB> to select alternative hugetlb page "
"sizes (respectively, 2\\ MB, 1\\ GB, ...) on systems that support multiple "
"hugetlb page sizes. Definitions for known huge page sizes are included in "
"the header file I<E<lt>linux/memfd.hE<gt>.>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"For details on encoding huge page sizes not included in the header file, see "
"the discussion of the similarly named constants in B<mmap>(2)."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "Unused bits in I<flags> must be 0."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"As its return value, B<memfd_create>() returns a new file descriptor that "
"can be used to refer to the file. This file descriptor is opened for both "
"reading and writing (B<O_RDWR>) and B<O_LARGEFILE> is set for the file "
"descriptor."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"With respect to B<fork>(2) and B<execve>(2), the usual semantics apply for "
"the file descriptor created by B<memfd_create>(). A copy of the file "
"descriptor is inherited by the child produced by B<fork>(2) and refers to "
"the same file. The file descriptor is preserved across B<execve>(2), unless "
"the close-on-exec flag has been set."
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-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"On success, B<memfd_create>() returns a new file descriptor. 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<EFAULT>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "The address in I<name> points to invalid memory."
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-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "I<flags> included unknown bits."
msgstr ""
#. NAME_MAX - strlen("memfd:")
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"I<name> was too long. (The limit is 249 bytes, excluding the terminating "
"null byte.)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Both B<MFD_HUGETLB> and B<MFD_ALLOW_SEALING> were specified in I<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<EMFILE>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The per-process limit on the number of open file descriptors has been "
"reached."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<ENFILE>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The system-wide limit on the total number of open files has been reached."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<ENOMEM>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "There was insufficient memory to create a new anonymous file."
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-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The B<MFD_HUGETLB> flag was specified, but the caller was not privileged "
"(did not have the B<CAP_IPC_LOCK> capability) and is not a member of the "
"I<sysctl_hugetlb_shm_group> group; see the description of I</proc/sys/vm/"
"sysctl_hugetlb_shm_group> in B<proc>(5)."
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 3.17, glibc 2.27."
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "NOTES"
msgstr ""
#. See also http://lwn.net/Articles/593918/
#. and http://lwn.net/Articles/594919/ and http://lwn.net/Articles/591108/
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The B<memfd_create>() system call provides a simple alternative to manually "
"mounting a B<tmpfs>(5) filesystem and creating and opening a file in that "
"filesystem. The primary purpose of B<memfd_create>() is to create files "
"and associated file descriptors that are used with the file-sealing APIs "
"provided by B<fcntl>(2)."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The B<memfd_create>() system call also has uses without file sealing (which "
"is why file-sealing is disabled, unless explicitly requested with the "
"B<MFD_ALLOW_SEALING> flag). In particular, it can be used as an alternative "
"to creating files in I<tmp> or as an alternative to using the B<open>(2) "
"B<O_TMPFILE> in cases where there is no intention to actually link the "
"resulting file into the filesystem."
msgstr ""
#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "File sealing"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"In the absence of file sealing, processes that communicate via shared memory "
"must either trust each other, or take measures to deal with the possibility "
"that an untrusted peer may manipulate the shared memory region in "
"problematic ways. For example, an untrusted peer might modify the contents "
"of the shared memory at any time, or shrink the shared memory region. The "
"former possibility leaves the local process vulnerable to time-of-check-to-"
"time-of-use race conditions (typically dealt with by copying data from the "
"shared memory region before checking and using it). The latter possibility "
"leaves the local process vulnerable to B<SIGBUS> signals when an attempt is "
"made to access a now-nonexistent location in the shared memory region. "
"(Dealing with this possibility necessitates the use of a handler for the "
"B<SIGBUS> signal.)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Dealing with untrusted peers imposes extra complexity on code that employs "
"shared memory. Memory sealing enables that extra complexity to be "
"eliminated, by allowing a process to operate secure in the knowledge that "
"its peer can't modify the shared memory in an undesired fashion."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "An example of the usage of the sealing mechanism is as follows:"
msgstr ""
#. type: IP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "(1)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The first process creates a B<tmpfs>(5) file using B<memfd_create>(). The "
"call yields a file descriptor used in subsequent steps."
msgstr ""
#. type: IP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "(2)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The first process sizes the file created in the previous step using "
"B<ftruncate>(2), maps it using B<mmap>(2), and populates the shared memory "
"with the desired data."
msgstr ""
#. type: IP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "(3)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The first process uses the B<fcntl>(2) B<F_ADD_SEALS> operation to place "
"one or more seals on the file, in order to restrict further modifications on "
"the file. (If placing the seal B<F_SEAL_WRITE>, then it will be necessary "
"to first unmap the shared writable mapping created in the previous step. "
"Otherwise, behavior similar to B<F_SEAL_WRITE> can be achieved by using "
"B<F_SEAL_FUTURE_WRITE>, which will prevent future writes via B<mmap>(2) and "
"B<write>(2) from succeeding while keeping existing shared writable "
"mappings)."
msgstr ""
#. type: IP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "(4)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"A second process obtains a file descriptor for the B<tmpfs>(5) file and "
"maps it. Among the possible ways in which this could happen are the "
"following:"
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 that called B<memfd_create>() could transfer the resulting file "
"descriptor to the second process via a UNIX domain socket (see B<unix>(7) "
"and B<cmsg>(3)). The second process then maps the file using B<mmap>(2)."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The second process is created via B<fork>(2) and thus automatically "
"inherits the file descriptor and mapping. (Note that in this case and the "
"next, there is a natural trust relationship between the two processes, since "
"they are running under the same user ID. Therefore, file sealing would not "
"normally be necessary.)"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The second process opens the file I</proc/>pidI</fd/>fd, where "
"I<E<lt>pidE<gt>> is the PID of the first process (the one that called "
"B<memfd_create>()), and I<E<lt>fdE<gt>> is the number of the file descriptor "
"returned by the call to B<memfd_create>() in that process. The second "
"process then maps the file using B<mmap>(2)."
msgstr ""
#. type: IP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "(5)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The second process uses the B<fcntl>(2) B<F_GET_SEALS> operation to "
"retrieve the bit mask of seals that has been applied to the file. This bit "
"mask can be inspected in order to determine what kinds of restrictions have "
"been placed on file modifications. If desired, the second process can apply "
"further seals to impose additional restrictions (so long as the "
"B<F_SEAL_SEAL> seal has not yet been applied)."
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "EXAMPLES"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Below are shown two example programs that demonstrate the use of "
"B<memfd_create>() and the file sealing API."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The first program, I<t_memfd_create.c>, creates a B<tmpfs>(5) file using "
"B<memfd_create>(), sets a size for the file, maps it into memory, and "
"optionally places some seals on the file. The program accepts up to three "
"command-line arguments, of which the first two are required. The first "
"argument is the name to associate with the file, the second argument is the "
"size to be set for the file, and the optional third argument is a string of "
"characters that specify seals to be set on the file."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The second program, I<t_get_seals.c>, can be used to open an existing file "
"that was created via B<memfd_create>() and inspect the set of seals that "
"have been applied to that file."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The following shell session demonstrates the use of these programs. First "
"we create a B<tmpfs>(5) file and set some seals on it:"
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<./t_memfd_create my_memfd_file 4096 sw &>\n"
"[1] 11775\n"
"PID: 11775; fd: 3; /proc/11775/fd/3\n"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"At this point, the I<t_memfd_create> program continues to run in the "
"background. From another program, we can obtain a file descriptor for the "
"file created by B<memfd_create>() by opening the I</proc/>pidI</fd> file "
"that corresponds to the file descriptor opened by B<memfd_create>(). Using "
"that pathname, we inspect the content of the I</proc/>pidI</fd> symbolic "
"link, and use our I<t_get_seals> program to view the seals that have been "
"placed on the file:"
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<readlink /proc/11775/fd/3>\n"
"/memfd:my_memfd_file (deleted)\n"
"$ B<./t_get_seals /proc/11775/fd/3>\n"
"Existing seals: WRITE SHRINK\n"
msgstr ""
#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Program source: t_memfd_create.c"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable opensuse-tumbleweed
#, no-wrap
msgid ""
"#define _GNU_SOURCE\n"
"#include E<lt>err.hE<gt>\n"
"#include E<lt>fcntl.hE<gt>\n"
"#include E<lt>stdint.hE<gt>\n"
"#include E<lt>stdio.hE<gt>\n"
"#include E<lt>stdlib.hE<gt>\n"
"#include E<lt>string.hE<gt>\n"
"#include E<lt>sys/mman.hE<gt>\n"
"#include E<lt>sys/types.hE<gt>\n"
"#include E<lt>unistd.hE<gt>\n"
"\\&\n"
"int\n"
"main(int argc, char *argv[])\n"
"{\n"
" int fd;\n"
" char *name, *seals_arg;\n"
" ssize_t len;\n"
" unsigned int seals;\n"
"\\&\n"
" if (argc E<lt> 3) {\n"
" fprintf(stderr, \"%s name size [seals]\\en\", argv[0]);\n"
" fprintf(stderr, \"\\et\\[aq]seals\\[aq] can contain any of the \"\n"
" \"following characters:\\en\");\n"
" fprintf(stderr, \"\\et\\etg - F_SEAL_GROW\\en\");\n"
" fprintf(stderr, \"\\et\\ets - F_SEAL_SHRINK\\en\");\n"
" fprintf(stderr, \"\\et\\etw - F_SEAL_WRITE\\en\");\n"
" fprintf(stderr, \"\\et\\etW - F_SEAL_FUTURE_WRITE\\en\");\n"
" fprintf(stderr, \"\\et\\etS - F_SEAL_SEAL\\en\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
"\\&\n"
" name = argv[1];\n"
" len = atoi(argv[2]);\n"
" seals_arg = argv[3];\n"
"\\&\n"
" /* Create an anonymous file in tmpfs; allow seals to be\n"
" placed on the file. */\n"
"\\&\n"
" fd = memfd_create(name, MFD_ALLOW_SEALING);\n"
" if (fd == -1)\n"
" err(EXIT_FAILURE, \"memfd_create\");\n"
"\\&\n"
" /* Size the file as specified on the command line. */\n"
"\\&\n"
" if (ftruncate(fd, len) == -1)\n"
" err(EXIT_FAILURE, \"truncate\");\n"
"\\&\n"
" printf(\"PID: %jd; fd: %d; /proc/%jd/fd/%d\\en\",\n"
" (intmax_t) getpid(), fd, (intmax_t) getpid(), fd);\n"
"\\&\n"
" /* Code to map the file and populate the mapping with data\n"
" omitted. */\n"
"\\&\n"
" /* If a \\[aq]seals\\[aq] command-line argument was supplied, set some\n"
" seals on the file. */\n"
"\\&\n"
" if (seals_arg != NULL) {\n"
" seals = 0;\n"
"\\&\n"
" if (strchr(seals_arg, \\[aq]g\\[aq]) != NULL)\n"
" seals |= F_SEAL_GROW;\n"
" if (strchr(seals_arg, \\[aq]s\\[aq]) != NULL)\n"
" seals |= F_SEAL_SHRINK;\n"
" if (strchr(seals_arg, \\[aq]w\\[aq]) != NULL)\n"
" seals |= F_SEAL_WRITE;\n"
" if (strchr(seals_arg, \\[aq]W\\[aq]) != NULL)\n"
" seals |= F_SEAL_FUTURE_WRITE;\n"
" if (strchr(seals_arg, \\[aq]S\\[aq]) != NULL)\n"
" seals |= F_SEAL_SEAL;\n"
"\\&\n"
" if (fcntl(fd, F_ADD_SEALS, seals) == -1)\n"
" err(EXIT_FAILURE, \"fcntl\");\n"
" }\n"
"\\&\n"
" /* Keep running, so that the file created by memfd_create()\n"
" continues to exist. */\n"
"\\&\n"
" pause();\n"
"\\&\n"
" exit(EXIT_SUCCESS);\n"
"}\n"
msgstr ""
#. SRC END
#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Program source: t_get_seals.c"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
#, no-wrap
msgid ""
"#define _GNU_SOURCE\n"
"#include E<lt>err.hE<gt>\n"
"#include E<lt>fcntl.hE<gt>\n"
"#include E<lt>stdio.hE<gt>\n"
"#include E<lt>stdlib.hE<gt>\n"
"\\&\n"
"int\n"
"main(int argc, char *argv[])\n"
"{\n"
" int fd;\n"
" unsigned int seals;\n"
"\\&\n"
" if (argc != 2) {\n"
" fprintf(stderr, \"%s /proc/PID/fd/FD\\en\", argv[0]);\n"
" exit(EXIT_FAILURE);\n"
" }\n"
"\\&\n"
" fd = open(argv[1], O_RDWR);\n"
" if (fd == -1)\n"
" err(EXIT_FAILURE, \"open\");\n"
"\\&\n"
" seals = fcntl(fd, F_GET_SEALS);\n"
" if (seals == -1)\n"
" err(EXIT_FAILURE, \"fcntl\");\n"
"\\&\n"
" printf(\"Existing seals:\");\n"
" if (seals & F_SEAL_SEAL)\n"
" printf(\" SEAL\");\n"
" if (seals & F_SEAL_GROW)\n"
" printf(\" GROW\");\n"
" if (seals & F_SEAL_WRITE)\n"
" printf(\" WRITE\");\n"
" if (seals & F_SEAL_FUTURE_WRITE)\n"
" printf(\" FUTURE_WRITE\");\n"
" if (seals & F_SEAL_SHRINK)\n"
" printf(\" SHRINK\");\n"
" printf(\"\\en\");\n"
"\\&\n"
" /* Code to map the file and access the contents of the\n"
" resulting mapping omitted. */\n"
"\\&\n"
" exit(EXIT_SUCCESS);\n"
"}\n"
msgstr ""
#. SRC END
#. 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<fcntl>(2), B<ftruncate>(2), B<memfd_secret>(2), B<mmap>(2), B<shmget>(2), "
"B<shm_open>(3)"
msgstr ""
#. type: TH
#: debian-bookworm
#, no-wrap
msgid "2023-02-05"
msgstr ""
#. type: TH
#: debian-bookworm
#, no-wrap
msgid "Linux man-pages 6.03"
msgstr ""
#. type: TP
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid "B<MFD_HUGE_2MB>, B<MFD_HUGE_1GB>, B<...>"
msgstr ""
#. type: SH
#: debian-bookworm
#, no-wrap
msgid "VERSIONS"
msgstr ""
#. type: Plain text
#: debian-bookworm
msgid ""
"The B<memfd_create>() system call first appeared in Linux 3.17; glibc "
"support was added in glibc 2.27."
msgstr ""
#. type: Plain text
#: debian-bookworm
msgid "The B<memfd_create>() system call is Linux-specific."
msgstr ""
#. type: Plain text
#: debian-bookworm
msgid ""
"The second process opens the file I</proc/E<lt>pidE<gt>/fd/E<lt>fdE<gt>>, "
"where I<E<lt>pidE<gt>> is the PID of the first process (the one that called "
"B<memfd_create>()), and I<E<lt>fdE<gt>> is the number of the file descriptor "
"returned by the call to B<memfd_create>() in that process. The second "
"process then maps the file using B<mmap>(2)."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"#define _GNU_SOURCE\n"
"#include E<lt>err.hE<gt>\n"
"#include E<lt>fcntl.hE<gt>\n"
"#include E<lt>stdint.hE<gt>\n"
"#include E<lt>stdio.hE<gt>\n"
"#include E<lt>stdlib.hE<gt>\n"
"#include E<lt>string.hE<gt>\n"
"#include E<lt>sys/mman.hE<gt>\n"
"#include E<lt>unistd.hE<gt>\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"int\n"
"main(int argc, char *argv[])\n"
"{\n"
" int fd;\n"
" char *name, *seals_arg;\n"
" ssize_t len;\n"
" unsigned int seals;\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" if (argc E<lt> 3) {\n"
" fprintf(stderr, \"%s name size [seals]\\en\", argv[0]);\n"
" fprintf(stderr, \"\\et\\[aq]seals\\[aq] can contain any of the \"\n"
" \"following characters:\\en\");\n"
" fprintf(stderr, \"\\et\\etg - F_SEAL_GROW\\en\");\n"
" fprintf(stderr, \"\\et\\ets - F_SEAL_SHRINK\\en\");\n"
" fprintf(stderr, \"\\et\\etw - F_SEAL_WRITE\\en\");\n"
" fprintf(stderr, \"\\et\\etW - F_SEAL_FUTURE_WRITE\\en\");\n"
" fprintf(stderr, \"\\et\\etS - F_SEAL_SEAL\\en\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" name = argv[1];\n"
" len = atoi(argv[2]);\n"
" seals_arg = argv[3];\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" /* Create an anonymous file in tmpfs; allow seals to be\n"
" placed on the file. */\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" fd = memfd_create(name, MFD_ALLOW_SEALING);\n"
" if (fd == -1)\n"
" err(EXIT_FAILURE, \"memfd_create\");\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid " /* Size the file as specified on the command line. */\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" if (ftruncate(fd, len) == -1)\n"
" err(EXIT_FAILURE, \"truncate\");\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" printf(\"PID: %jd; fd: %d; /proc/%jd/fd/%d\\en\",\n"
" (intmax_t) getpid(), fd, (intmax_t) getpid(), fd);\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" /* Code to map the file and populate the mapping with data\n"
" omitted. */\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" /* If a \\[aq]seals\\[aq] command-line argument was supplied, set some\n"
" seals on the file. */\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" if (seals_arg != NULL) {\n"
" seals = 0;\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" if (strchr(seals_arg, \\[aq]g\\[aq]) != NULL)\n"
" seals |= F_SEAL_GROW;\n"
" if (strchr(seals_arg, \\[aq]s\\[aq]) != NULL)\n"
" seals |= F_SEAL_SHRINK;\n"
" if (strchr(seals_arg, \\[aq]w\\[aq]) != NULL)\n"
" seals |= F_SEAL_WRITE;\n"
" if (strchr(seals_arg, \\[aq]W\\[aq]) != NULL)\n"
" seals |= F_SEAL_FUTURE_WRITE;\n"
" if (strchr(seals_arg, \\[aq]S\\[aq]) != NULL)\n"
" seals |= F_SEAL_SEAL;\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" if (fcntl(fd, F_ADD_SEALS, seals) == -1)\n"
" err(EXIT_FAILURE, \"fcntl\");\n"
" }\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" /* Keep running, so that the file created by memfd_create()\n"
" continues to exist. */\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid " pause();\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" exit(EXIT_SUCCESS);\n"
"}\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"#define _GNU_SOURCE\n"
"#include E<lt>err.hE<gt>\n"
"#include E<lt>fcntl.hE<gt>\n"
"#include E<lt>stdio.hE<gt>\n"
"#include E<lt>stdlib.hE<gt>\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"int\n"
"main(int argc, char *argv[])\n"
"{\n"
" int fd;\n"
" unsigned int seals;\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" if (argc != 2) {\n"
" fprintf(stderr, \"%s /proc/PID/fd/FD\\en\", argv[0]);\n"
" exit(EXIT_FAILURE);\n"
" }\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" fd = open(argv[1], O_RDWR);\n"
" if (fd == -1)\n"
" err(EXIT_FAILURE, \"open\");\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" seals = fcntl(fd, F_GET_SEALS);\n"
" if (seals == -1)\n"
" err(EXIT_FAILURE, \"fcntl\");\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" printf(\"Existing seals:\");\n"
" if (seals & F_SEAL_SEAL)\n"
" printf(\" SEAL\");\n"
" if (seals & F_SEAL_GROW)\n"
" printf(\" GROW\");\n"
" if (seals & F_SEAL_WRITE)\n"
" printf(\" WRITE\");\n"
" if (seals & F_SEAL_FUTURE_WRITE)\n"
" printf(\" FUTURE_WRITE\");\n"
" if (seals & F_SEAL_SHRINK)\n"
" printf(\" SHRINK\");\n"
" printf(\"\\en\");\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" /* Code to map the file and access the contents of the\n"
" resulting mapping omitted. */\n"
msgstr ""
#. type: TH
#: fedora-40 fedora-rawhide 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 fedora-rawhide mageia-cauldron
#, no-wrap
msgid ""
"#define _GNU_SOURCE\n"
"#include E<lt>err.hE<gt>\n"
"#include E<lt>fcntl.hE<gt>\n"
"#include E<lt>stdint.hE<gt>\n"
"#include E<lt>stdio.hE<gt>\n"
"#include E<lt>stdlib.hE<gt>\n"
"#include E<lt>string.hE<gt>\n"
"#include E<lt>sys/mman.hE<gt>\n"
"#include E<lt>unistd.hE<gt>\n"
"\\&\n"
"int\n"
"main(int argc, char *argv[])\n"
"{\n"
" int fd;\n"
" char *name, *seals_arg;\n"
" ssize_t len;\n"
" unsigned int seals;\n"
"\\&\n"
" if (argc E<lt> 3) {\n"
" fprintf(stderr, \"%s name size [seals]\\en\", argv[0]);\n"
" fprintf(stderr, \"\\et\\[aq]seals\\[aq] can contain any of the \"\n"
" \"following characters:\\en\");\n"
" fprintf(stderr, \"\\et\\etg - F_SEAL_GROW\\en\");\n"
" fprintf(stderr, \"\\et\\ets - F_SEAL_SHRINK\\en\");\n"
" fprintf(stderr, \"\\et\\etw - F_SEAL_WRITE\\en\");\n"
" fprintf(stderr, \"\\et\\etW - F_SEAL_FUTURE_WRITE\\en\");\n"
" fprintf(stderr, \"\\et\\etS - F_SEAL_SEAL\\en\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
"\\&\n"
" name = argv[1];\n"
" len = atoi(argv[2]);\n"
" seals_arg = argv[3];\n"
"\\&\n"
" /* Create an anonymous file in tmpfs; allow seals to be\n"
" placed on the file. */\n"
"\\&\n"
" fd = memfd_create(name, MFD_ALLOW_SEALING);\n"
" if (fd == -1)\n"
" err(EXIT_FAILURE, \"memfd_create\");\n"
"\\&\n"
" /* Size the file as specified on the command line. */\n"
"\\&\n"
" if (ftruncate(fd, len) == -1)\n"
" err(EXIT_FAILURE, \"truncate\");\n"
"\\&\n"
" printf(\"PID: %jd; fd: %d; /proc/%jd/fd/%d\\en\",\n"
" (intmax_t) getpid(), fd, (intmax_t) getpid(), fd);\n"
"\\&\n"
" /* Code to map the file and populate the mapping with data\n"
" omitted. */\n"
"\\&\n"
" /* If a \\[aq]seals\\[aq] command-line argument was supplied, set some\n"
" seals on the file. */\n"
"\\&\n"
" if (seals_arg != NULL) {\n"
" seals = 0;\n"
"\\&\n"
" if (strchr(seals_arg, \\[aq]g\\[aq]) != NULL)\n"
" seals |= F_SEAL_GROW;\n"
" if (strchr(seals_arg, \\[aq]s\\[aq]) != NULL)\n"
" seals |= F_SEAL_SHRINK;\n"
" if (strchr(seals_arg, \\[aq]w\\[aq]) != NULL)\n"
" seals |= F_SEAL_WRITE;\n"
" if (strchr(seals_arg, \\[aq]W\\[aq]) != NULL)\n"
" seals |= F_SEAL_FUTURE_WRITE;\n"
" if (strchr(seals_arg, \\[aq]S\\[aq]) != NULL)\n"
" seals |= F_SEAL_SEAL;\n"
"\\&\n"
" if (fcntl(fd, F_ADD_SEALS, seals) == -1)\n"
" err(EXIT_FAILURE, \"fcntl\");\n"
" }\n"
"\\&\n"
" /* Keep running, so that the file created by memfd_create()\n"
" continues to exist. */\n"
"\\&\n"
" pause();\n"
"\\&\n"
" exit(EXIT_SUCCESS);\n"
"}\n"
msgstr ""
#. type: TH
#: fedora-rawhide
#, no-wrap
msgid "Linux man-pages 6.7"
msgstr ""
#. type: TH
#: opensuse-leap-15-6
#, no-wrap
msgid "2023-04-03"
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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