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.\" Modified Sat Jul 24 13:32:44 1993 by Rik Faith (faith@cs.unc.edu)
.\" Modified Mon Jun 23 14:09:52 1997 by aeb - add EINTR.
.\" Modified Tue Jul  7 12:26:42 1998 by aeb - changed return value wait3
.\" Modified 2004-11-11, Michael Kerrisk <mtk.manpages@gmail.com>
.\"	Rewrote much of this page, and removed much duplicated text,
.\"		replacing with pointers to wait.2
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.\" Japanese Version Copyright (c) 1997,1998 HANATAKA Shinya
.\"         all rights reserved.
.\" Translated 1997-03-04, HANATAKA Shinya <hanataka@abyss.rim.or.jp>
.\" Modified 1997-09-28, HANATAKA Shinya <hanataka@abyss.rim.or.jp>
.\" Modified 2001-08-17, HANATAKA Shinya <hanataka@abyss.rim.or.jp>
.\" Updated 2001-12-13, Kentaro Shirakata <argrath@ub32.org>
.\" Updated 2003-09-12, Kentaro Shirakata <argrath@ub32.org>
.\" Updated 2005-03-04, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
.\"
.\"WORD:	signal handling		ʥ
.\"WORD:	suspend			(suspend)
.\"WORD:	zombie			(zombie)
.\"WORD:	child process		ҥץ
.\"WORD:	process group		ץ롼
.\"WORD:	process group ID	ץ롼ID
.\"WORD:	stop			(stop)
.\"WORD:	effective user ID	¸桼ID
.\"WORD:	block			ػ(block)
.\"WORD:	catch			(catch)
.\"WORD:	account			
.\"
.TH WAIT4 2  2007-07-26 "Linux" "Linux Programmer's Manual"
.SH ̾
wait3, wait4 \- BSD ǥץξѲԤ
.SH 
.nf
.B #include <sys/types.h>
.B #include <sys/time.h>
.B #include <sys/resource.h>
.B #include <sys/wait.h>
.sp
.BI "pid_t wait3(int *" "status" ", int " options ,
.BI "            struct rusage *" rusage );
.sp
.BI "pid_t wait4(pid_t " pid ", int *" status ", int " options ,
.BI "            struct rusage *" rusage );
.fi
.sp
.in -4n
glibc εǽޥ׷
.RB ( feature_test_macros (7)
):
.in
.sp
.BR wait3 ():
_BSD_SOURCE
.br
.BR wait4 ():
_BSD_SOURCE || _XOPEN_SOURCE\ >=\ 500
.SH 
ƥॳ
.BR wait3 ()

.BR wait4 ()

.BR waitpid (2)
Ʊͤư򤹤롣˲äҥץΥ꥽Ѿξ
.I rusage
ؤ¤Τ֤
.PP
.I rusage
ѤСʲ 2ĤǤ롣
.nf

    wait3(status, options, rusage);

    waitpid(\-1, status, options);

.fi
Ʊͤˡʲ 2ĤǤ롣
.nf

    wait4(pid, status, options, rusage);

    waitpid(pid, status, options);

.fi
ȡ
.BR wait3 ()
ƤλҥץоݤԤĤ
.BR wait4 ()
Ǥλҥץ (ʣ) ԤĤȤǤ롣
.PP
.I rusage
 NULL Ǥʤ硢
.I rusage
ؤ
.I rusage ¤
ˤϻҥץΥȾ󤬳Ǽ롣
ܤ
.BR getrusage (2)
򻲾ȤΤȡ
.SH ֤
.BR waitpid (2)
Ʊ͡
.SH 顼
.BR waitpid (2)
Ʊ͡
.SH 
4.3BSD
.SH 
ߤǤ
.I <sys/time.h>
򥤥󥯥롼ɤɬפϤʤ󥯥롼ɤƤ
ܿ뤳ȤǤ (ºݤˤ
.I <sys/resource.h>

.I rusage
¤ΤƤ뤬ΥեɤǻѤƤ
.I struct timeval

.I <sys/time.h>
Ƥ)
.SH Ϣ
.BR fork (2),
.BR getrusage (2),
.BR sigaction (2),
.BR signal (2),
.BR wait (2),
.BR signal (7)