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.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk)
.\"
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
.\" Permission is granted to copy and distribute modified versions of this
.\" manual under the conditions for verbatim copying, provided that the
.\" entire resulting derived work is distributed under the terms of a
.\" permission notice identical to this one.
.\"
.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date. The author(s) assume no
.\" responsibility for errors or omissions, or for damages resulting from
.\" the use of the information contained herein. The author(s) may not
.\" have taken the same level of care in the production of this manual,
.\" which is licensed free of charge, as they might when working
.\" professionally.
.\"
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
.\" 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
.\"
.\" Japanese Version Copyright (c) 1996 Kentaro OGAWA
.\" all rights reserved.
.\" Translated 2006-07-14, Kentaro OGAWA <k_ogawa@oyna.cc.muroran-it.ac.jp>
.\" Updated & Modified 2004-05-23, Yuichi SATO <ysato444@yahoo.co.jp>
.\" Updated 2008-12-26, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>, LDP v3.15
.\"
.TH ATEXIT 3 2008-12-05 "Linux" "Linux Programmer's Manual"
.SH ̾
atexit \- ץｪλ˸ƤӽФؿϿ
.SH
.nf
.B #include <stdlib.h>
.sp
.BI "int atexit(void (*" function )(void));
.fi
.SH
.BR atexit ()
ؿϡͿ줿 \fIfunction\fP
.BR exit (3)
ץ \fImain\fP()
ؿ֤̤ơץｪλ˸ƤӽФ
ؿȤϿ롣
줿ؿϡϿ֤Ȥϵդν֤ǸƤӽФ롣
Ͽؿ˰Ϥʤ
ƱؿʣϿƤ褤
Ͽ줿ؿϿ 1 ˤĤ 1 ƤӽФ롣
.LP
POSIX.1-2001 ǤϡΤ褦ʴؿʤȤ
.B ATEXIT_MAX
(32) ϿǤ뤳ȤᤷƤ롣
μǥݡȤƤºݤξ¤
.BR sysconf (3)
ȤäƼǤ롣
.LP
.BR fork (2)
Ǻ줿硢ҥץϿƥץϿΥԡѾ롣
.BR exec (3)
եߥδؿΤ줫θƤӽФȡ
ƤϿ롣
.SH ֤
.BR atexit ()
ؿϡؿϿˤ 0 ֤
¾ξˤ 0 ʳ֤ͤ
.SH
SVr4, 4.3BSD, C89, C99, POSIX.1-2001.
.SH
.BR atexit ()
(
.BR on_exit (3))
ȤäϿ줿ؿϡ
ʥˤץ۾ｪλˤϸƤӽФʤ
Ͽ줿ؿΰĤ
.BR _exit (2)
ƤӽФ硢ĤδؿϤɤⵯư줺
.BR exit (3)
ˤ¹Ԥ¾Υץλƥåפϼ¹Ԥʤ
POSIX.1-2001 Ǥϡ
.BR atexit (3)
ȤäϿ줿Ĥδؿǡʣ
.BR exit (3)
ƤӽФݤη̤̤Ǥ롣
.\" 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.
(Linux ǤϤʤ) ĤΥƥǤϡξ硢
̵֤¤˵뤳Ȥˤʤ롣
ܿɬפʥץǤϡ
.BR atexit (3)
Ͽ줿ؿ
.BR exit (3)
ư٤ǤϤʤ
.BR atexit ()
.BR on_exit (3)
ϡƱꥹȤФƴؿϿ롣
ץ˽λݤˤϡ
ĤδؿϿ줿εսǡ
Ͽ줿ؿư롣
POSIX.1-2001 Ǥϡ
.BR atexit (3)
Ͽ줿ؿμ¹Ԥλ뤿
.BR longjmp (3)
Ѥ줿η̤̤Ǥ롣
.\" In glibc, things seem to be handled okay
.SS Linux Ǥ
glibc 2.2.3 ʹߤǤϡͭ饤֥꤬ɤȤ˸ƤФ
ؿϿ뤿ˡͭ饤֥
.BR atexit ()
(
.BR on_exit (3))
Ѥ뤳ȤǤ롣
.PP
.SH
.nf
#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);
}
.fi
.SH Ϣ
.BR _exit (2),
.BR exit (3),
.BR on_exit (3)
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