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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-24 04:52:22 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-24 04:52:22 +0000 |
commit | 3d08cd331c1adcf0d917392f7e527b3f00511748 (patch) | |
tree | 312f0d1e1632f48862f044b8bb87e602dcffb5f9 /man3/sysv_signal.3 | |
parent | Adding debian version 6.7-2. (diff) | |
download | manpages-3d08cd331c1adcf0d917392f7e527b3f00511748.tar.xz manpages-3d08cd331c1adcf0d917392f7e527b3f00511748.zip |
Merging upstream version 6.8.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'man3/sysv_signal.3')
-rw-r--r-- | man3/sysv_signal.3 | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/man3/sysv_signal.3 b/man3/sysv_signal.3 deleted file mode 100644 index 0c0c161..0000000 --- a/man3/sysv_signal.3 +++ /dev/null @@ -1,90 +0,0 @@ -'\" t -.\" Copyright (c) 2007 Michael Kerrisk <mtk.manpages@gmail.com> -.\" -.\" SPDX-License-Identifier: Linux-man-pages-copyleft -.\" -.TH sysv_signal 3 2023-10-31 "Linux man-pages 6.7" -.SH NAME -sysv_signal \- signal handling with System V semantics -.SH LIBRARY -Standard C library -.RI ( libc ", " \-lc ) -.SH SYNOPSIS -.nf -.BR "#define _GNU_SOURCE" " /* See feature_test_macros(7) */" -.B #include <signal.h> -.P -.B typedef void (*sighandler_t)(int); -.P -.BI "sighandler_t sysv_signal(int " signum ", sighandler_t " handler ); -.fi -.SH DESCRIPTION -The -.BR sysv_signal () -function takes the same arguments, and performs the same task, as -.BR signal (2). -.P -However -.BR sysv_signal () -provides the System V unreliable signal semantics, that is: -a) the disposition of the signal is reset to the default -when the handler is invoked; -b) delivery of further instances of the signal is not blocked while -the signal handler is executing; and -c) if the handler interrupts (certain) blocking system calls, -then the system call is not automatically restarted. -.SH RETURN VALUE -The -.BR sysv_signal () -function returns the previous value of the signal handler, or -.B SIG_ERR -on error. -.SH ERRORS -As for -.BR signal (2). -.SH ATTRIBUTES -For an explanation of the terms used in this section, see -.BR attributes (7). -.TS -allbox; -lbx lb lb -l l l. -Interface Attribute Value -T{ -.na -.nh -.BR sysv_signal () -T} Thread safety MT-Safe -.TE -.SH VERSIONS -Use of -.BR sysv_signal () -should be avoided; use -.BR sigaction (2) -instead. -.P -On older Linux systems, -.BR sysv_signal () -and -.BR signal (2) -were equivalent. -But on newer systems, -.BR signal (2) -provides reliable signal semantics; see -.BR signal (2) -for details. -.P -The use of -.I sighandler_t -is a GNU extension; -this type is defined only if -the -.B _GNU_SOURCE -feature test macro is defined. -.SH STANDARDS -None. -.SH SEE ALSO -.BR sigaction (2), -.BR signal (2), -.BR bsd_signal (3), -.BR signal (7) |