'\" t
.\" Copyright (c) 1993 by Thomas Koenig (ig25@rz.uni-karlsruhe.de)
.\" and Copyright (c) 2002, 2006 by Michael Kerrisk <mtk.manpages@gmail.com>
.\" and Copyright (c) 2008 Linux Foundation, written by Michael Kerrisk
.\"     <mtk.manpages@gmail.com>
.\"
.\" 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.\" manual page may be incorrect or out-of-date.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.
.\"
.\" Modified Sat Jul 24 17:34:08 1993 by Rik Faith (faith@cs.unc.edu)
.\" Modified Sun Jan  7 01:41:27 1996 by Andries Brouwer (aeb@cwi.nl)
.\" Modified Sun Apr 14 12:02:29 1996 by Andries Brouwer (aeb@cwi.nl)
.\" Modified Sat Nov 13 16:28:23 1999 by Andries Brouwer (aeb@cwi.nl)
.\" Modified 10 Apr 2002, by Michael Kerrisk <mtk.manpages@gmail.com>
.\" Modified  7 Jun 2002, by Michael Kerrisk <mtk.manpages@gmail.com>
.\"	Added information on real-time signals
.\" Modified 13 Jun 2002, by Michael Kerrisk <mtk.manpages@gmail.com>
.\"	Noted that SIGSTKFLT is in fact unused
.\" 2004-12-03, Modified mtk, added notes on RLIMIT_SIGPENDING
.\" 2006-04-24, mtk, Added text on changing signal dispositions,
.\"		signal mask, and pending signals.
.\" 2008-07-04, mtk:
.\"     Added section on system call restarting (SA_RESTART)
.\"     Added section on stop/cont signals interrupting syscalls.
.\" 2008-10-05, mtk: various additions
.\"
.\" Japanese Version Copyright (c) 1997 Takafumi Naka
.\"     and 2005-2008 Akihiro MOTOKI
.\"         all rights reserved.
.\" Translated 1997-02-13, Takafumi Naka <takafumi@yk.rim.or.jp>
.\" Modified 1999-06-22, Tatsuo SEKINE <tsekine@isoternet.org>
.\" Modified 1999-07-18, Takafumi Naka <takafumi@yk.rim.or.jp>
.\" Modified 1999-12-06, NAKANO Takeo <nakano@apm.seikei.ac.jp>, LDP v1.28
.\" Updated 2003-07-24, Kentaro Shirakata <argrath@ub32.org>
.\" Updated 2005-02-23, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
.\" Updated 2006-07-28, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>, LDP v2.36
.\" Updated 2007-05-28, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>, LDP v2.50
.\" Updated 2007-09-08, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>, LDP v2.64
.\" Updated 2008-08-11, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>, LDP v3.05
.\" Updated 2008-11-21, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>, LDP v3.13
.\"
.\"WORD:	disposition	ˡ
.\"WORD:	pending		Ԥ
.\"WORD:	signal handler	ʥϥɥ
.\"
.TH SIGNAL 7  2008-10-15 "Linux" "Linux Programmer's Manual"
.SH ̾
signal \- ʥγ
.SH 
Linux  POSIX ꥷʥ (reliable signal; ʸ "ɸॷʥ"ɽ)
 POSIX ꥢ륿ॷʥξбƤ롣
.SS ʥˡ
ʥϤ줾츽ߤΡֽˡ (disposition)פݻƤꡢ
νˡˤꥷʥ뤬줿ݤ˥ץ
ɤΤ褦ʿ񤤤򤹤뤫ޤ롣

Ҥɽ "ư" ΥȥϳƥʥΥǥեȤ
ˡ򼨤ƤꡢʲΤ褦ʰ̣ġ
.IP Term
ǥեȤưϥץλ
.IP Ign
ǥեȤưϤΥʥ̵롣
.IP Core
ǥեȤưϥץλȥ׽
.RB ( core (5)
)
.IP Stop
ǥեȤưϥץΰߡ
.IP Cont
ǥեȤưϡץξˤμ¹ԤκƳ
.PP
ץϡ
.BR sigaction (2)

.BR signal (2)
Ȥäơʥνˡѹ뤳ȤǤ
.RB ( signal (2)
ܿ㤤)ʥ˵ưȤ
ץǤΤϡΤ줫ĤǤ롣
ǥեȤư¹Ԥ롢ʥ̵뤹롢
.I "ʥϥɥ (signal handler)"
ǥʥª롣ʥϥɥȤϡʥ
ưŪ˵ưץδؿǤ롣
(ǥեȤǤϡʥϥɥ̾ΥץΥåǵư롣
ʥϥɥ餬إå (alternate stack) Ѥ褦ꤹ
ȤǤ롣إåѤ褦ꤹˡȡɤΤ褦ʺݤ
إåΩĤˤĤƤεˤĤƤ
.BR sigaltstack (2)
򻲾ȤΤȡ

ʥνˡϥץñ̤°Ǥ롣
ޥåɤΥץꥱǤϡ륷ʥνˡ
ƤΥåɤƱǤ롣

.BR fork (2)
Ǻ줿ҥץϿƥץΥʥνˡΥԡѾ롣
.BR execve (2)
δ֡ϥɥ餬ϿƤ륷ʥνˡϥǥեȤ˥ꥻå
졢̵ȤʤäƤ륷ʥνˡѹ줺ΤޤޤȤʤ롣
.SS ʥ
ʲΥƥॳȥ饤֥ؿȤäơ
ƤӽФԤϥʥ뤳ȤǤ롣
.TP 16
.BR raise (3)
ƤӽФåɤ˥ʥ롣
.TP
.BR kill (2)
ꤵ줿ץ䡢ꤵ줿ץ롼פС
ƥץ˥ʥ롣
.TP
.BR killpg (2)
ꤵ줿ץ롼פС˥ʥ롣
.TP
.BR pthread_kill (3)
ƤӽФԤƱץλꤵ줿 POSIX åɤ˥ʥ롣
.TP
.BR tgkill (2)
ꤵ줿ץλꤵ줿åɤ˥ʥ
(ΥƥॳȤä
.BR pthread_kill (3)
ϼƤ)
.TP
.BR sigqueue (2)
ꤵ줿ץ°ǡȤȤ˥ꥢ륿ॷʥ롣
.SS ʥ뤬ªΤԤ
ʲΥƥॳȤäơʥ뤬ªޤ
ƤӽФץ䥹åɤμ¹Ԥ (suspend) 뤳ȤǤ
(ϥɥ餬ꤵƤʤʥˤꤽΥץλ
ˤ¹ԤߤϽλ)
.TP 16
.BR pause (2)
ʥ뤬ªޤǼ¹Ԥߤ롣
.TP
.BR sigsuspend (2)
Ū˥ʥޥ () ѹ
ޥƤʤʥΤ줫ªޤ
¹ԤǤ롣
.SS ʥƱ
ʥϥɥͳǥʥƱ (asynchronously) ªʳˤ⡢
ʥƱ (synchronously) Ƽդ뤳ȤǤ롣
ƱƼդȤϡʥ뤬ޤǼ¹Ԥ (block)
ȤȤǤ롣ʥդݤˡͥ
Υʥ˴ؤƤӽФԤ֤
ԤŪˡĤ롣
.IP * 2
.BR sigwaitinfo (2),
.BR sigtimedwait (2),
.BR sigwait (3)
ϡꤵ줿ʥ뽸ΥʥΰĤޤǼ¹ԤǤ롣
ɤΥƥॳؿǤ⡢줿ʥ˴ؤ֤롣
.IP *
.BR signalfd (2)
֤եǥץȤȡƤӽФ줿
ʥ˴ؤɤ߽ФȤǤ롣
Υեǥץ
.BR read (2)
ϡ
.BR signalfd (2)
θƤӽФ˻ꤵ줿ʥ뽸ΥʥΰĤƤӽФ
ޤ (block) 롣
.BR read (2)
֤Хåեˤϥʥ˴ؤǼ¤ΤäƤ롣
.SS ʥޥȽԤʥ
ʥ
.I "֥å (block)"
뤳Ȥ롣֥åȡΥʥ
θ֥åޤʤʤ롣
ʥ뤬ƤޤǤδ֡Υʥ
.I "Ԥ (pending)"
ǤȸƤФ롣

ץγƥåɤϡ줾Ω
.I "ʥޥ (signal mask)"
ġʥޥϤΥåɤߥ֥åƤ
ʥ뽸򼨤ΤǤ롣
åɤϡ
.BR pthread_sigmask (3)
ȤäƼʬΥʥޥǤ롣
Ūʥ󥰥륹åɤΥץꥱǤϡ
.BR sigprocmask (2)
ȤäơʥޥǤ롣

.BR fork (2)
ͳǺ줿ҥץϡ
ƥץΥʥޥΥԡѾ롣
.BR execve (2)
ǥʥޥݻ롣

륷ʥ (äƽԤȤʤ륷ʥ) ˤϡ
ץΰƤΥåɰƤ롣
㤨СץΰƤΥʥ
.BR kill (2)
Ȥä롣
Υޥ̿μ¹Ԥη̤Ȥ롢
.B SIGSEGV

.B SIGFPE
ʤɤΥʥϡåɰƤȤʤ롣
ޤ
.BR pthread_kill (3)
ȤäΥåɰƤ줿ʥ
åɰƤȤʤ롣
ץƤΥʥϡΥʥ֥åƤʤåɤΤ
줫ΰĤ뤳ȤǤ롣Υʥ֥åƤʤ
åɤʣ硢ʥ륹åɤϥͥ뤬
̵٤򤹤롣

åɤϡ
.BR sigpending (2)
Ȥäơ߽ԤΥʥ뽸뤳ȤǤ롣
νϡץƤνԤʥ
ƤӽФåɰƤΥʥξ鹽롣

.BR fork (2)
ͳǺ줿ҥץǤϡԤΥʥ뽸
νǽ롣
.BR execve (2)
ǡԤΥʥ뽸ݻ롣
.SS ɸॷʥ
Linux ϰʲ˼ɸॷʥбƤ롣
ʥֹΰϥƥ¸Ǥꡢ"" ˼̤Ǥ롣
(3Ĥͤ񤫤ƤΤϡ 1ܤ alpha  sparc ̾ͭ͡
椬 ix86, ia64, ppc, s390, arm, sh Ǥ͡Ǹ夬 mips ǤͤǤ롣
.\" parisc is a law unto itself
\- ϤΥƥˤб륷ʥ뤬ʤȤ򼨤)

ǽˡPOSIX.1-1990 Ƥ륷ʥ򼨤
.TS
l c c l
____
lB c c l.
ʥ		ư	
SIGHUP	\01	Term	T{
ü(controlling terminal)Υϥ󥰥å׸С
ޤ椷Ƥץλ
T}
SIGINT	\02	Term	ܡɤγ (Interrupt)
SIGQUIT	\03	Core	ܡɤˤ (Quit)
SIGILL	\04	Core	̿
SIGABRT	\06	Core	\fBabort\fP(3)  (Abort) ʥ
SIGFPE	\08	Core	ư㳰
SIGKILL	\09	Term	Kill ʥ
SIGSEGV	11	Core	ʥ껲
SIGPIPE	13	Term	ѥ˲: ɤ߼̵ѥפؤν񤭽Ф
SIGALRM	14	Term	\fBalarm\fP(2) Υޡʥ
SIGTERM	15	Term	λ (termination) ʥ
SIGUSR1	30,10,16	Term	桼ʥ 1
SIGUSR2	31,12,17	Term	桼ʥ 2
SIGCHLD	20,17,18	Ign	ҥץΰ (stop) ޤϽλ
SIGCONT	19,18,25	Cont	 (stop) κƳ
SIGSTOP	17,19,23	Stop	ץΰ (stop)
SIGTSTP	18,20,24	Stop	ü (tty) Ϥ줿 (stop)
SIGTTIN	21,21,26	Stop	Хåɥץ tty 
SIGTTOU	22,22,27	Stop	Хåɥץ tty 
.TE

ʥ
.B SIGKILL

.B SIGSTOP
ϥå֥å̵Ǥʤ

ˡ POSIX.1-1990 ɸˤϤʤ SUSv2 
POSIX.1-2001 ˵ҤƤ륷ʥ򼨤
.TS
l c c l
____
lB c c l.
ʥ		ư	
SIGBUS	10,7,10	Core	Х顼 (ʥꥢ)
SIGPOLL		Term	ݡ󥰲ǽʥ٥ (Sys V)
			\fBSIGIO\fP Ʊ
SIGPROF	27,27,29	Term	profiling ޤλڤ
SIGSYS	12,\-,12	Core	롼ؤΰ (SVr4)
SIGTRAP	5	Core	ȥ졼/֥졼ݥ ȥå
SIGURG	16,23,21	Ign	T{
åȤζ۵޻ (urgent condition) (4.2BSD)
T}
SIGVTALRM	26,26,28	Term	ۥ顼९å (4.2BSD)
SIGXCPU	24,24,30	Core	CPUĶ (4.2BSD)
SIGXFSZ	25,25,31	Core	ե륵¤Ķ (4.2BSD)
.TE

Linux 2.2 Ǥϡ
.BR SIGSYS ", " SIGXCPU ", " SIGXFSZ
 SPARC  MIPS ʳΥƥǤ
.B SIGBUS
ΥǥեȤο񤤤 (׽Ϥʤ) ץλǤä
(¾ Unix ƥˤ
.BR SIGXCPU "  " SIGXFSZ
ΥǥեȤưפʤΥץλΤΤ롣)
Linux 2.4 ǤϡPOSIX.1-2001 Ǥ׵ͤ˽򤷤ơ
ΥʥǡץλפϤ
褦ˤʤäƤ롣

ˤ¾γƼ亮ʥ򼨤
.TS
l c c l
____
lB c c l.
ʥ		ư	
SIGIOT	6	Core	IOT ȥåס\fBSIGABRT\fP Ʊ
SIGEMT	7,\-,7	Term
SIGSTKFLT	\-,16,\-	A	T{
ͱ黻ץåˤ륹åե (̤)
T}
SIGIO	23,29,22	Term	Ϥǽˤʤä (4.2BSD)
SIGCLD	\-,\-,18	Ign	\fBSIGCHLD\fP Ʊ
SIGPWR	29,30,19	Term	ŸӼ (Power failure) (System V)
SIGINFO	29,\-,\-	 	\fBSIGPWR\fP Ʊ
SIGLOST	\-,\-,\-	Term	եå줿
SIGWINCH	28,28,20	Ign	T{
ɥ ꥵ ʥ (4.3BSD, Sun)
T}
SIGUNUSED	\-,31,\-	Term	̤ѥʥ (\fBSIGSYS\fP Ȥʤ)
.TE

(ʥ 29  alpha Ǥ
.B SIGINFO
/
.B SIGPWR
sparc Ǥ
.B SIGLOST
Ǥ롣)

.B SIGEMT
 POSIX.1-2001 ˵ꤵƤʤ
¾¿ Unix ƥ¸ߤ롣
ǥեȤư¿ξ硢׽ϤȼץνλǤ롣

.B SIGPWR
 (POSIX.1-2001 ˵ꤵƤʤ) Υʥ뤬¸ߤ
¾ Unix ƥǤ¿ξ硢ǥեư̵Ǥ롣

.B SIGIO
 (POSIX.1-2001 ˵ꤵƤʤ) Ĥ¾ Unix ƥǤ
ǥեư̵Ǥ롣
.SS ꥢ륿ॷʥ
Linux ϥꥢ륿ॷʥ򥵥ݡȤƤ롣
ꥢ륿ॷʥϸ POSIX.1b Υꥢ륿ĥ
ΤǤꡢߤǤ POSIX.1-2001 ˴ޤޤƤ롣
бƤꥢ륿ॷʥϰϤϡޥ
.B SIGRTMIN

.B SIGRTMAX
롣
POSIX.1-2001 ǤϡʤȤ
.B _POSIX_RTSIG_MAX
(8) ĤΥꥢ륿ॷʥб׵ᤵƤ롣
.PP
Linux ϡ32 Ĥΰۤʤꥢ륿ॷʥбƤꡢ
ֹ 33  64 Ǥ롣
ʤ顢glibc  POSIX åɼϡ
 2 (NPTL ξ)  3 (LinuxThreads ξ) 
ꥢ륿ॷʥѤƤ
.RB ( pthreads (7)
)
.B SIGRTMIN
ͤŬڤ (34  35 ) Ĵ롣
Ѳǽʥꥢ륿ॷʥϰϤ glibc Υåɼˤ
ۤʤ뤷 (Ѥ륫ͥ glibc ˤ¹ԻˤѲ)
Unix ƥμˤäƤۤʤ롣äơ
ץǤϡ֥ϡɥǥ󥰤ȤäƤΥꥢ륿ॷʥ
ȤϷ褷Ƥ٤ǤϤʤס
.BR SIGRTMIN +n
ηǻȤ٤Ǥ롣ޤ
.BR SIGRTMIN +n

.B SIGRTMAX
ĶƤʤΥå (¹Ի) Ŭڤ˹Ԥ٤Ǥ롣
.PP
ɸॷʥȰۤʤꡢꥢ륿ॷʥˤ
줿̣Ϥʤ
ꥢ륿ॷʥ򥢥ץꥱӤ˻Ȥ롣
(âLinuxThreads ǡꥢ륿ॷʥֹΤ
ǽ 3ĤѤƤդ뤳)
.PP
ϥɥ󥰤ʤꥢ륿ॷʥΥǥեȤư
ץνλǤ롣
.PP
ꥢ륿ॷʥϰʲħ:
.IP 1. 4
ꥢ륿ॷʥʣμΤ򥭥塼뤳ȤǤ롣
ɸॷʥξ硢Υʥ뤬֥åƤ֤
ƱʥʣΥ󥹥󥹤Ƥ⡢
1 Ĥ塼롣
.IP 2. 4
ʥ뤬
.BR sigqueue (2)
Ѥ줿硢
°ǡ (ݥ) 򥷥ʥȶǤ롣
¦ץ
.BR sigaction (2)

.B SA_SIGINFO
ե饰ꤷƥʥϥɥꤷ硢
Υǡ
.I siginfo_t
¤Τ
.I si_value
եɷͳǥϥɥ 2 ȤϤ졢
Ѥ뤳ȤǤ롣
ˡι¤Τ
.I si_pid

.I si_uid
եɤǥʥץ PID ȼ¥桼 ID 
뤳ȤǤ롣
.IP 3. 4
ꥢ륿ॷʥǤݾڤ롣
ƱפΥꥢ륿ॷʥ줿֤夹롣
ۤʤꥢ륿ॷʥ뤬ĤΥץ줿硢
ֹξʥ뤫夹롣
(Ĥޤ꾮ֹΥʥ뤬⤤̤ͥġ)
оŪˡĤΥץФʣɸॷʥ뤬ԤȤʤä硢
Υʥ뤬Ǥ롣
.PP
ĤΥץФɸॷʥȥꥢ륿ॷʥξ
Ԥξ硢POSIX Ϥɤ餬뤫ꤷƤʤ
Linux Ǥϡ¾¿μƱ͡Τ褦ʾˤ
ɸॷʥ뤬ͥ褵롣
.PP
POSIX ˤС1 ץ˺
.B _POSIX_SIGQUEUE_MAX
(32) ĤΥꥢ륿ॷʥ򥭥塼٤ȤƤ롣
 Linux ǤϰäˤʤäƤ롣ͥ 2.6.7 ޤǤ
(2.6.7 ޤ)ץǥ塼äƤꥢ륿ॷʥ
οιפˤĤƥƥΤǤ¤롣
¤
.I /proc/sys/kernel/rtsig-max
եǸ뤳ȤǤ (¤) ѹǤ롣
طեȤơ
.I /proc/sys/kernel/rtsig-nr
򸫤뤳ȤǡĤΥꥢ륿ॷʥ뤬ߥ塼äƤ뤫
Τ뤳ȤǤ롣
Linux 2.6.8 ǡ
.I /proc
ͳΥ󥿡եϡ
.B RLIMIT_SIGPENDING
꥽¤֤줿
ϡ塼륷ʥ˴ؤƥ桼ñ̤
¤ꤹΤǤ롣
ܤ
.BR setrlimit (2)
򻲾ȡ
.SS "Ʊʥǰʴؿ (async-signal-safe functions)"
.PP
¾ξνϥץ¹ԤǤդβսǤ뤿ᡢ
.BR sigaction (2)

.BR signal (2)
Ͽ륷ʥϥɥؿˤդʤФʤʤ
POSIX ˤϡְʴؿ (safe function)פȤǰ롣
ʥ뤬Ǥʤؿμ¹ԤǤ
.I handler
ǤʤؿƤӽФ硢ץεư̤Ǥ롣

POSIX.1-2004 (POSIX.1-2001 Technical Corrigendum (ɽ) 2 Ȥ) Ǥϡ
ʥϥɥǤΰʸƤӽФݾڤ뤳ȤɬܤδؿȤ
ʲꤵƤ롣

.in +4
.nf
_Exit()
_exit()
abort()
accept()
access()
aio_error()
aio_return()
aio_suspend()
alarm()
bind()
cfgetispeed()
cfgetospeed()
cfsetispeed()
cfsetospeed()
chdir()
chmod()
chown()
clock_gettime()
close()
connect()
creat()
dup()
dup2()
execle()
execve()
fchmod()
fchown()
fcntl()
fdatasync()
fork()
fpathconf()
fstat()
fsync()
ftruncate()
getegid()
geteuid()
getgid()
getgroups()
getpeername()
getpgrp()
getpid()
getppid()
getsockname()
getsockopt()
getuid()
kill()
link()
listen()
lseek()
lstat()
mkdir()
mkfifo()
open()
pathconf()
pause()
pipe()
poll()
posix_trace_event()
pselect()
raise()
read()
readlink()
recv()
recvfrom()
recvmsg()
rename()
rmdir()
select()
sem_post()
send()
sendmsg()
sendto()
setgid()
setpgid()
setsid()
setsockopt()
setuid()
shutdown()
sigaction()
sigaddset()
sigdelset()
sigemptyset()
sigfillset()
sigismember()
signal()
sigpause()
sigpending()
sigprocmask()
sigqueue()
sigset()
sigsuspend()
sleep()
sockatmark()
socket()
socketpair()
stat()
symlink()
sysconf()
tcdrain()
tcflow()
tcflush()
tcgetattr()
tcgetpgrp()
tcsendbreak()
tcsetattr()
tcsetpgrp()
time()
timer_getoverrun()
timer_gettime()
timer_settime()
times()
umask()
uname()
unlink()
utime()
wait()
waitpid()
write()
.fi
.in
.PP
POSIX.1-2008 Ǥϡ嵭ΥꥹȤΤ fpathconf(), pathconf(), sysconf()
졢ʲδؿɲä줿
.PP
.in +4n
.nf
execl()
execv()
faccessat()
fchmodat()
fchownat()
fexecve()
fstatat()
futimens()
linkat()
mkdirat()
mkfifoat()
mknod()
mknodat()
openat()
readlinkat()
renameat()
symlinkat()
unlinkat()
utimensat()
utimes()
.fi
.in
.SS ʥϥɥˤ륷ƥॳ饤֥ؿؤγ
ƥॳ饤֥꤬ (block) Ƥ֤˥ʥϥɥ餬
ưȡʲΤɤ餫Ȥʤ롣
.IP * 2
ʥ뤬֤ä塢ƤӽФϼưŪ˺ƥȤ롣
.IP *
ƤӽФϥ顼
.B EINTR
ǼԤ롣
.PP
ĤεưΤɤ餬뤫ϡ󥿡եˤ¸
ʥϥɥ餬
.B SA_RESTART
ե饰
.RB ( sigaction (2)
) ȤäꤵƤˤ¸롣
ܺ٤ Unix ƥˤäưۤʤ롣
Linux ˤܺ٤ʲ롣

ʲΥ󥿡եΤ줫θƤӽФߤƤ֤
ʥϥɥˤޤ줿硢
.B SA_RESTART
ե饰ѤƤСʥϥɥ餬֤ä
θƤӽФϼưŪ˺ƥȤ뤳Ȥˤʤ롣
ʳξϡθƤӽФϥ顼
.B EINTR
ǼԤ뤳Ȥˤʤ롣
.\" ʲΥƥॳ ERESTARTSYS ȤäƤ롣
.\" ΤᡢϺƥȤǽǤ롣
.RS 4
.IP * 2
.BR read (2),
.BR readv (2),
.BR write (2),
.BR writev (2),
.BR ioctl (2)
Ρ٤ (slow)ץǥХФƤӽФ
Ǥ٤ץǥХȤϡI/O ƤӽФ̵¤ (block) 
ǽΤǥХΤȤǡȤƤüѥסåȤ
(Ǥϡǥ٤ǥХǤϤʤ)
٤ǥХФ I/O ƤӽФ
ʥϥɥˤޤ줿ޤǤ˲餫Υǡ
ǤžƤСƤӽФơ
(̾ϡž줿Хȿ) ֤Ȥ
.IP *
 (block) ǽΤ
.BR open (2)
(㤨СFIFO Υץ;
.BR fifo (7)
)
.IP *
.BR wait (2),
.BR wait3 (2),
.BR wait4 (2),
.BR waitid (2),
.BR waitpid (2).
.IP *
åȥ󥿡ե:
.\" If a timeout (setsockopt()) is in effect on the socket, then these
.\" system calls switch to using EINTR.  Consequently, they and are not
.\" automatically restarted, and they show the stop/cont behavior
.\" described below.  (Verified from 2.6.26 source, and by experiment; mtk)
.BR accept (2),
.BR connect (2),
.BR recv (2),
.BR recvfrom (2),
.BR recvmsg (2),
.BR send (2),
.BR sendto (2),
.BR sendmsg (2).
âåȤ˥ॢȤꤵƤʤ ()
.IP *
եåѥ󥿡ե:
.BR flock (2),
.BR fcntl (2)
.BR F_SETLKW .
.IP *
POSIX å塼󥿡ե:
.BR mq_receive (3),
.BR mq_timedreceive (3),
.BR mq_send (3),
.BR mq_timedsend (3).
.IP *
.BR futex (2)
.B FUTEX_WAIT
(Linux 2.6.22 ʹ; Ͼ
.B EINTR
ǼԤƤ)
.IP *
POSIX ޥե󥿡ե:
.BR sem_wait (3),
.BR sem_timedwait (3)
(Linux 2.6.22 ʹ; Ͼ
.B EINTR
ǼԤƤ)
.RE
.PP
ʲΥ󥿡եϡ
.B SA_RESTART
ȤäƤɤ˴ؤ餺ʥϥɥˤޤ줿塢
ƥȤ뤳ȤϷ褷Ƥʤ
ϡʥϥɥˤޤȡ˥顼
.B EINTR
ǼԤ롣
.\" ϡʥϥɥˤߤκݤ
.\" EINTR  ERESTARTNOHAND ֤ƥॳǤ롣
.RS 4
.IP * 2
.BR setsockopt (2)
ȤäƥॢȤꤵƤ륽åȥ󥿡ե:
.BR accept (2),
.BR recv (2),
.BR recvfrom (2),
.BR recvmsg (2)
Ǽॢ
.RB ( SO_RCVTIMEO )
ꤵƤȡ
.BR connect (2),
.BR send (2),
.BR sendto (2),
.BR sendmsg (2)
ॢ
.RB ( SO_SNDTIMEO )
ꤵƤ硣
.IP *
ʥԤ˻Ȥ륤󥿡ե:
.BR pause (2),
.BR sigsuspend (2),
.BR sigtimedwait (2),
.BR sigwaitinfo (2).
.IP *
եǥץ¿ť󥿡ե:
.BR epoll_wait (2),
.BR epoll_pwait (2),
.BR poll (2),
.BR ppoll (2),
.BR select (2),
.BR pselect (2).
.IP *
System V IPC 󥿡ե:
.\" On some other systems, SA_RESTART does restart these system calls
.BR msgrcv (2),
.BR msgsnd (2),
.BR semop (2),
.BR semtimedop (2).
.IP *
꡼ѤΥ󥿡ե:
.BR clock_nanosleep (2),
.BR nanosleep (2),
.BR usleep (3).
.IP *
.BR inotify (7)
եǥץ
.BR read (2).
.IP *
.BR io_getevents (2).
.RE
.PP
.BR sleep (3)
ؿ⡢ϥɥˤޤ줿硢褷ƺƥȤ뤳ȤϤʤ
ȤʤꡢĤäƤ߻֤֤
.SS ߥʥˤ륷ƥॳ饤֥ؿؤγ
Linux Ǥϡʥϥɥ餬ꤵƤʤǤ⡢
ĤΥ֥å󥰷Υ󥿡եϡ
ץ (stop) ʥΰĤˤߤ졢
.B SIGCONT
ˤƳ줿ˡ顼
.B EINTR
ǼԤǽ롣
εư POSIX.1 ǧƤ餺¾ΥƥǤϵʤ

εư򼨤 Linux Υ󥿡եϰʲ̤Ǥ롣
.RS 4
.IP * 2
.BR setsockopt (2)
ȤäƥॢȤꤵƤ륽åȥ󥿡ե:
.BR accept (2),
.BR recv (2),
.BR recvfrom (2),
.BR recvmsg (2)
Ǽॢ
.RB ( SO_RCVTIMEO )
ꤵƤȡ
.BR connect (2),
.BR send (2),
.BR sendto (2),
.BR sendmsg (2)
ॢ
.RB ( SO_SNDTIMEO )
ꤵƤ硣
.IP * 2
.BR epoll_wait (2),
.BR epoll_pwait (2).
.IP *
.BR semop (2),
.BR semtimedop (2).
.IP *
.BR sigtimedwait (2),
.BR sigwaitinfo (2).
.IP *
.BR inotify (7)
եǥץ
.BR read (2).
.IP *
Linux 2.6.21 :
.BR futex (2)
.BR FUTEX_WAIT ,
.BR sem_timedwait (3),
.BR sem_wait (3).
.IP *
Linux 2.6.8 :
.BR msgrcv (2),
.BR msgsnd (2).
.IP *
Linux 2.4 :
.BR nanosleep (2).
.RE
.SH 
POSIX.1 (ưʳ)
.SH Х
.B SIGIO

.B SIGLOST
ƱͤäƤ롣
.B SIGLOST
ϥͥΥǤϥȥȤƤ롣
եȥˤäƤϥӥɤβǥʥ 29 
.B SIGLOST
ȤߤʤƤޤΤ롣
.SH Ϣ
.BR kill (1),
.BR getrlimit (2),
.BR kill (2),
.BR killpg (2),
.BR setitimer (2),
.BR setrlimit (2),
.BR sgetmask (2),
.BR sigaction (2),
.BR sigaltstack (2),
.BR signal (2),
.BR signalfd (2),
.BR sigpending (2),
.BR sigprocmask (2),
.BR sigqueue (2),
.BR sigsuspend (2),
.BR sigwaitinfo (2),
.BR abort (3),
.BR bsd_signal (3),
.BR longjmp (3),
.BR raise (3),
.BR sigset (3),
.BR sigsetops (3),
.BR sigvec (3),
.BR sigwait (3),
.BR strsignal (3),
.BR sysv_signal (3),
.BR core (5),
.BR proc (5),
.BR pthreads (7)