From 399644e47874bff147afb19c89228901ac39340e Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 15 Apr 2024 21:40:15 +0200 Subject: Adding upstream version 6.05.01. Signed-off-by: Daniel Baumann --- man3/abort.3 | 100 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 100 insertions(+) create mode 100644 man3/abort.3 (limited to 'man3/abort.3') diff --git a/man3/abort.3 b/man3/abort.3 new file mode 100644 index 0000000..952fd13 --- /dev/null +++ b/man3/abort.3 @@ -0,0 +1,100 @@ +'\" t +.\" Copyright 2007 (C) Michael Kerrisk +.\" some parts Copyright 1993 David Metcalfe (david@prism.demon.co.uk) +.\" +.\" SPDX-License-Identifier: Linux-man-pages-copyleft +.\" +.\" References consulted: +.\" Linux libc source code +.\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991) +.\" 386BSD man pages +.\" Modified Sat Jul 24 21:46:21 1993 by Rik Faith (faith@cs.unc.edu) +.\" Modified Fri Aug 4 10:51:53 2000 - patch from Joseph S. Myers +.\" 2007-12-15, mtk, Mostly rewritten +.\" +.TH abort 3 2023-07-28 "Linux man-pages 6.05.01" +.SH NAME +abort \- cause abnormal process termination +.SH LIBRARY +Standard C library +.RI ( libc ", " \-lc ) +.SH SYNOPSIS +.nf +.B #include +.PP +.B [[noreturn]] void abort(void); +.fi +.SH DESCRIPTION +The +.BR abort () +function first unblocks the +.B SIGABRT +signal, and then raises that signal for the calling process +(as though +.BR raise (3) +was called). +This results in the abnormal termination of the process unless the +.B SIGABRT +signal is caught and the signal handler does not return +(see +.BR longjmp (3)). +.PP +If the +.B SIGABRT +signal is ignored, or caught by a handler that returns, the +.BR abort () +function will still terminate the process. +It does this by restoring the default disposition for +.B SIGABRT +and then raising the signal for a second time. +.PP +As with other cases of abnormal termination the functions registered with +.BR atexit (3) +and +.BR on_exit (3) +are not called. +.SH RETURN VALUE +The +.BR abort () +function never returns. +.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 abort () +T} Thread safety MT-Safe +.TE +.sp 1 +.SH STANDARDS +C11, POSIX.1-2008. +.SH HISTORY +SVr4, POSIX.1-2001, 4.3BSD, C89. +.PP +Up until glibc 2.26, +if the +.BR abort () +function caused process termination, +all open streams were closed and flushed (as with +.BR fclose (3)). +However, in some cases this could result in deadlocks and data corruption. +Therefore, starting with glibc 2.27, +.\" glibc commit 91e7cf982d0104f0e71770f5ae8e3faf352dea9f +.BR abort () +terminates the process without flushing streams. +POSIX.1 permits either possible behavior, saying that +.BR abort () +"may include an attempt to effect fclose() on all open streams". +.SH SEE ALSO +.BR gdb (1), +.BR sigaction (2), +.BR assert (3), +.BR exit (3), +.BR longjmp (3), +.BR raise (3) -- cgit v1.2.3