'\" t
.\" Copyright (c) 2005 by Michael Kerrisk <mtk.manpages@gmail.com>
.\"
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.\" manual page may be incorrect or out-of-date.  The author(s) assume no
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.\" Japanese Version Copyright (c) 2005 Akihiro MOTOKI all rights reserved.
.\" Translated 2005-12-04, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
.\"
.TH SIGVEC 3 2007-07-26 "Linux" "Linux Programmer's Manual"
.SH ̾
sigvec, sigblock, sigsetmask, siggetmask, sigmask \- BSD ǥʥ API
.SH 
.B #include <signal.h>
.sp
.BI "int sigvec(int " sig ", struct sigvec *" vec ", struct sigvec *" ovec );
.sp
.BI "int sigmask(int " signum );
.sp
.BI "int sigblock(int " mask );
.sp
.BI "int sigsetmask(int " mask );
.sp
.B int siggetmask(void);
.sp
.in -4n
glibc εǽޥ׷
.RB ( feature_test_macros (7)
):
.in
.sp
嵭Ƥδؿ:
_BSD_SOURCE
.SH 
δؿϡΤʤ BSD ǥʥ API ѤƤץ
ФƸߴΤ륤󥿥ե glibc 󶡤ΤǤ롣
 API ϲΤΤǤꡢץꥱǤ
POSIX ʥ API
.RB ( sigaction (2),
.BR sigprocmask (2)
ʤ) Ѥ٤Ǥ롣

ؿ
.BR sigvec ()
ϡ(POSIX 
.BR sigaction (2)
Ʊͤ) ʥ
.I sig
ưꡦԤ
.I vec
ϡNULL ʳξ硢
.I sig
οư
.I sigvec
¤ΤؤΥݥ󥿤Ǥ롣
.I ovec
ϡNULL ʳξ硢
.I sig
ѹư֤˻Ѥ
.I sigvec
¤ΤؤΥݥ󥿤Ǥ롣
.I sig
ưѹ˸ߤư뤿ˤϡ
.I vec
 NULL ꤷ
.I ovec
 NULL Ǥʤݥ󥿤ꤹФ褤

.B SIGKILL

.B SIGSTOP
ưѹǤʤ

.I sigvec
¤Τϰʲ̤Ǥ:
.in +4n
.nf

struct sigvec {
    void (*sv_handler)();  /* Signal disposition */
    int    sv_mask;        /* Signals to be blocked in handler */
    int    sv_flags;       /* Flags */
};

.fi
.in
.I sv_handler
եɤϥʥưꤹΤǡ
ʥϥɥؿΥɥ쥹
.B SIG_DFL

.B SIG_IGN
Τ줫Ǥ롣
.B SIG_DFL
ϥʥŬѤǥեȤự
.B SIG_IGN
ϥʥ̵뤹뤳Ȥ̣롣

.I sv_handler
˥ʥϥɥΥɥ쥹ꤷ硢
.I sv_mask
ϥϥɥ餬¹˥֥å٤ʥΥޥꤹ롣
ޤϥɥưʥ뼫ȤϥǥեȤǥ֥å롣
.B SIGKILL

.B SIGSTOP
֥å褦Ȥˤϡۤä̵뤵롣

.I sv_handler
˥ʥϥɥΥɥ쥹ꤷ硢
.I sv_flags
եɤϥϥɥ餬ƤФ줿ݤεư椹ե饰ꤹ롣
Υեɤˤϡ0 ʲΥե饰 1İʾǤ:
.TP
.B SV_INTERRUPT
ʥϥɥ餬ΥƥॳǤ硢
ϥɥ餫Ƥ⡢ƥॳϺƳ줺
顼
.B EINTR
ǼԤ롣
Υե饰ꤷʤä硢ƥॳ
ǥեȤǺƳ롣
.TP
.B SV_RESETHAND
ʥϥɥƤӽФ˥ʥư
ǥեȤ˥ꥻåȤ롣
Υե饰ꤷʤä硢⤦
.BR sigvec ()
ƤӽФŪ˺뤫ץ
.BR execve (2)
¹Ԥޤǡϥɥꤵ줿ޤޤȤʤ롣
.TP
.B SV_ONSTACK
إʥ륹åǥʥϥɥ¹Ԥ
(ŪˡBSD Ǥإʥ륹åѻߤ줿ؿ
.BR sigstack ()
Ȥäꤹ롣POSIX Ǥϡ
.BR sigaltstack (2)
Ѥ)
.PP
ؿ
.BR sigmask ()

.I signum
Ф֥ʥޥפ֤
㤨СʲΤ褦ʥɤȤȡ
.BR sigvec ()
Ϥ
.I vec.sv_mask
Ǥ롣
.nf

    vec.sv_mask = sigmask(SIGQUIT) | sigpause(SIGABRT);
                /* Block SIGQUIT and SIGABRT during
                   handler execution */
.fi
.PP
.BR sigblock ()
ؿϡ
.I mask
ˤ륷ʥץΥʥޥɲä
(POSIX 
.I sigprocmask(SIG_BLOCK)
Ʊ)ѹΥץΥʥޥ֤
.B SIGKILL

.B SIGSTOP
֥å褦Ȥˤϡۤä̵뤵롣
.PP
.BR sigsetmask ()
ؿϥץΥʥޥ
.I mask
ǻꤵ줿ͤꤷ (POSIX 
.I sigprocmask(SIG_SETMASK)
Ʊ)ѹΥץΥʥޥ֤
.PP
.BR siggetmask ()
ؿϥץθߤΥʥޥ֤δؿ
.I sigblock(0)
Ǥ롣
.SH ֤
.BR sigvec ()
ؿ 0 ֤顼ξ硢\-1 ֤
.I errno
˥顼򼨤ͤ򥻥åȤ롣

.BR sigblock ()

.BR sigsetmask ()
ѹΥʥޥ֤

.BR sigmask ()
ؿ
.I signum
Υʥޥ֤
.SH 顼
.BR sigaction (2)

.BR sigprocmask (2)
Ρ֥顼פ򻲾ȡ
.SH 
δؿΤ
.BR siggetmask ()
ʳƤ 4.3BSD ˤä
.BR siggetmask ()
νмϤϤäꤷʤ
δؿѻͽǤꡢץǤϻѤʤȡ
.SH 
4.3BSD ǤϡΤ륷ʥ󶡤
.RI ( vec.sv_mask
 0 
.BR sigvec ()
ƤӽФȤƱ)
System V 󶡤ϿΤʤΤǤ롣
POSIX.1-2001 Ǥϡ
.BR signal ()
ΤϵꤷʤޤޤȤʤäƤ롣
ʤܺ٤ˤĤƤ
.BR signal (2)
򻲾ȡ

BSD  System V ΤɤΥƥǤ
ʥԤĤˡ
.BR sigpause (3)
Ȥ̾δؿ󶡤Ƥ뤬
δؿΰξΥƥǰۤʤ롣
ܺ٤
.BR sigpause (3)
򻲾ȡ
.SH Ϣ
.BR kill (2),
.BR pause (2),
.BR sigaction (2),
.BR signal (2),
.BR sigprocmask (2),
.BR raise (3),
.BR sigpause (3),
.BR sigset (3),
.BR signal (7)