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| author | peter <peter@FreeBSD.org> | 1997-06-01 09:47:06 +0000 |
|---|---|---|
| committer | peter <peter@FreeBSD.org> | 1997-06-01 09:47:06 +0000 |
| commit | 6e813d52f9cb3053898b05c707d5952052edd672 (patch) | |
| tree | e91553494c2c2dcbb5b499e28933cd6c534ccd6b /lib | |
| parent | ea6c9e20fb781eb0f647056306bf4398639814e6 (diff) | |
| download | FreeBSD-src-6e813d52f9cb3053898b05c707d5952052edd672.zip FreeBSD-src-6e813d52f9cb3053898b05c707d5952052edd672.tar.gz | |
Doc signanosleep, add to links
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libc/sys/Makefile.inc | 3 | ||||
| -rw-r--r-- | lib/libc/sys/nanosleep.2 | 29 |
2 files changed, 28 insertions, 4 deletions
diff --git a/lib/libc/sys/Makefile.inc b/lib/libc/sys/Makefile.inc index 6207f50..fbe9067 100644 --- a/lib/libc/sys/Makefile.inc +++ b/lib/libc/sys/Makefile.inc @@ -1,5 +1,5 @@ # @(#)Makefile.inc 8.3 (Berkeley) 10/24/94 -# $Id: Makefile.inc,v 1.32 1997/05/12 12:18:14 peter Exp $ +# $Id: Makefile.inc,v 1.33 1997/06/01 09:20:30 peter Exp $ # sys sources .PATH: ${.CURDIR}/../libc/${MACHINE}/sys ${.CURDIR}/../libc/sys @@ -139,6 +139,7 @@ MLINKS+=intro.2 errno.2 MLINKS+=lseek.2 seek.2 MLINKS+=mlock.2 munlock.2 MLINKS+=mount.2 unmount.2 +MLINKS+=nanosleep.2 signanosleep.2 MLINKS+=pathconf.2 fpathconf.2 MLINKS+=read.2 readv.2 MLINKS+=recv.2 recvfrom.2 recv.2 recvmsg.2 diff --git a/lib/libc/sys/nanosleep.2 b/lib/libc/sys/nanosleep.2 index 956036d..598ce1b 100644 --- a/lib/libc/sys/nanosleep.2 +++ b/lib/libc/sys/nanosleep.2 @@ -1,4 +1,4 @@ -.\" $Id$ +.\" $Id: nanosleep.2,v 1.1 1997/05/12 12:15:35 peter Exp $ .\" $OpenBSD: nanosleep.2,v 1.1 1997/04/20 20:56:20 tholo Exp $ .\" $NetBSD: nanosleep.2,v 1.1 1997/04/17 18:12:02 jtc Exp $ .\" @@ -39,12 +39,29 @@ .Dt NANOSLEEP 2 .Os .Sh NAME -.Nm nanosleep +.Nm nanosleep , +.Nm signanosleep .Sh SYNOPSIS .Fd #include <time.h> .Ft int .Fn nanosleep "const struct timespec *rqtp" "struct timespec *rmtp" -.\" .Sh DESCRIPTION +.Pp +.Fd #include <signal.h> +.Fd #include <time.h> +.Ft int +.Fn signanosleep "const struct timespec *rqtp" "struct timespec *rmtp" "sigset_t *mask" +.Sh DESCRIPTION +.Fn Nanosleep +causes the process to sleep for the specified time. An unmasked signal will +cause it to terminate the sleep early, regardless of the +.Dv SA_RESTART +value on the interrupting signal. +.Pp +The +.Fn signanosleep +function temporarily (and atomically) sets the signal mask of the process +for the duration of the system call so that specific signals can be +nominated to cause an early termination of the sleep. .Sh RETURN VALUE If the .Fn nanosleep @@ -88,9 +105,15 @@ specified a nanosecond value less than zero or greater than 1000 million. is not supported by this implementation. .El .Sh SEE ALSO +.Xr sigsuspend 2 .Xr sleep 3 .Sh STANDARDS The .Fn nanosleep function conforms to .St -p1003.1b-93 . +.Pp +The +.Fn signanosleep +function is an extenstion that first appeared in +.Fx 3.0 |
