Merging upstream version 6.8.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 0 insertions, 169 deletions

diff --git a/man3/atexit.3 b/man3/atexit.3
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-'\" t
-.\" 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 1993-03-29, David Metcalfe
-.\" Modified 1993-07-24, Rik Faith (faith@cs.unc.edu)
-.\" Modified 2003-10-25, Walter Harms
-.\"
-.TH atexit 3 2023-10-31 "Linux man-pages 6.7"
-.SH NAME
-atexit \- register a function to be called at normal process termination
-.SH LIBRARY
-Standard C library
-.RI ( libc ", " \-lc )
-.SH SYNOPSIS
-.nf
-.B #include <stdlib.h>
-.P
-.BI "int atexit(void (*" function )(void));
-.fi
-.SH DESCRIPTION
-The
-.BR atexit ()
-function registers the given
-.I function
-to be
-called at normal process termination, either via
-.BR exit (3)
-or via return from the program's
-.IR main ().
-Functions so registered are called in
-the reverse order of their registration; no arguments are passed.
-.P
-The same function may be registered multiple times:
-it is called once for each registration.
-.P
-POSIX.1 requires that an implementation allow at least
-.\" POSIX.1-2001, POSIX.1-2008
-.B ATEXIT_MAX
-(32) such functions to be registered.
-The actual limit supported by an implementation can be obtained using
-.BR sysconf (3).
-.P
-When a child process is created via
-.BR fork (2),
-it inherits copies of its parent's registrations.
-Upon a successful call to one of the
-.BR exec (3)
-functions,
-all registrations are removed.
-.SH RETURN VALUE
-The
-.BR atexit ()
-function returns the value 0 if successful; otherwise
-it returns a nonzero value.
-.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 atexit ()
-T}	Thread safety	MT-Safe
-.TE
-.SH VERSIONS
-POSIX.1 says that the result of calling
-.\" POSIX.1-2001, POSIX.1-2008
-.BR exit (3)
-more than once (i.e., calling
-.BR exit (3)
-within a function registered using
-.BR atexit ())
-is undefined.
-On some systems (but not Linux), this can result in an infinite recursion;
-.\" This can happen on OpenBSD 4.2 for example, and is documented
-.\" as occurring on FreeBSD as well.
-.\" glibc does "the Right Thing" -- invocation of the remaining
-.\" exit handlers carries on as normal.
-portable programs should not invoke
-.BR exit (3)
-inside a function registered using
-.BR atexit ().
-.SH STANDARDS
-C11, POSIX.1-2008.
-.SH HISTORY
-POSIX.1-2001, C89, C99, SVr4, 4.3BSD.
-.SH NOTES
-Functions registered using
-.BR atexit ()
-(and
-.BR on_exit (3))
-are not called if a process terminates abnormally because
-of the delivery of a signal.
-.P
-If one of the registered functions calls
-.BR _exit (2),
-then any remaining functions are not invoked,
-and the other process termination steps performed by
-.BR exit (3)
-are not performed.
-.P
-The
-.BR atexit ()
-and
-.BR on_exit (3)
-functions register functions on the same list:
-at normal process termination,
-the registered functions are invoked in reverse order
-of their registration by these two functions.
-.P
-According to POSIX.1, the result is undefined if
-.BR longjmp (3)
-is used to terminate execution of one of the functions registered using
-.BR atexit ().
-.\" In glibc, things seem to be handled okay
-.SS Linux notes
-Since glibc 2.2.3,
-.BR atexit ()
-(and
-.BR on_exit (3))
-can be used within a shared library to establish functions
-that are called when the shared library is unloaded.
-.SH EXAMPLES
-.\" SRC BEGIN (atexit.c)
-.EX
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-\&
-void
-bye(void)
-{
-    printf("That was all, folks\en");
-}
-\&
-int
-main(void)
-{
-    long a;
-    int i;
-\&
-    a = sysconf(_SC_ATEXIT_MAX);
-    printf("ATEXIT_MAX = %ld\en", a);
-\&
-    i = atexit(bye);
-    if (i != 0) {
-        fprintf(stderr, "cannot set exit function\en");
-        exit(EXIT_FAILURE);
-    }
-\&
-    exit(EXIT_SUCCESS);
-}
-.EE
-.\" SRC END
-.SH SEE ALSO
-.BR _exit (2),
-.BR dlopen (3),
-.BR exit (3),
-.BR on_exit (3)