NAME¶
abort - cause abnormal process termination
SYNOPSIS¶
#include <stdlib.h>
void abort(void);
DESCRIPTION¶
The abort() function first unblocks the SIGABRT signal, and then
raises that signal for the calling process (as though raise(3) was
called). This results in the abnormal termination of the process unless the
SIGABRT signal is caught and the signal handler does not return (see
longjmp(3)).
If the SIGABRT signal is ignored, or caught by a handler
that returns, the abort() function will still terminate the process.
It does this by restoring the default disposition for SIGABRT and
then raising the signal for a second time.
RETURN VALUE¶
The abort() function never returns.
ATTRIBUTES¶
For an explanation of the terms used in this section, see attributes(7).
| Interface |
Attribute |
Value |
| abort () |
Thread safety |
MT-Safe |
NOTES¶
Up until glibc 2.26, if the abort() function caused process termination,
all open streams were closed and flushed (as with fclose(3)). However,
in some cases this could result in deadlocks and data corruption. Therefore,
starting with glibc 2.27, abort() terminates the process without
flushing streams. POSIX.1 permits either possible behavior, saying that
abort() "may include an attempt to effect fclose() on all open
streams".
SVr4, POSIX.1-2001, POSIX.1-2008, 4.3BSD, C89, C99.
COLOPHON¶
This page is part of release 5.04 of the Linux man-pages project. A
description of the project, information about reporting bugs, and the latest
version of this page, can be found at https://www.kernel.org/doc/man-pages/.
