diff options
author | jasone <jasone@FreeBSD.org> | 2000-05-02 06:51:40 +0000 |
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committer | jasone <jasone@FreeBSD.org> | 2000-05-02 06:51:40 +0000 |
commit | 03d029f134f6886d414e869610af3f09054ef37e (patch) | |
tree | d5f8485897f9957f144321659a45c86542f4d63d /lib/libc/sys/sigwait.2 | |
parent | 548e56c9d24f4f96bf7751d190bf456f023ac145 (diff) | |
download | FreeBSD-src-03d029f134f6886d414e869610af3f09054ef37e.zip FreeBSD-src-03d029f134f6886d414e869610af3f09054ef37e.tar.gz |
Add missing man pages. Fix various compliance bugs, mostly having to do with
error return values. Implement pthread_mutexattr_gettype().
PR: docs/16537, docs/17538
Diffstat (limited to 'lib/libc/sys/sigwait.2')
-rw-r--r-- | lib/libc/sys/sigwait.2 | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/lib/libc/sys/sigwait.2 b/lib/libc/sys/sigwait.2 new file mode 100644 index 0000000..3839d17 --- /dev/null +++ b/lib/libc/sys/sigwait.2 @@ -0,0 +1,85 @@ +.\" Copyright (C) 2000 Jason Evans <jasone@canonware.com>. +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice(s), this list of conditions and the following disclaimer as +.\" the first lines of this file unmodified other than the possible +.\" addition of one or more copyright notices. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice(s), this list of conditions and the following disclaimer in +.\" the documentation and/or other materials provided with the +.\" distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY +.\" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE +.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR +.\" BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +.\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE +.\" OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, +.\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +.\" +.\" $FreeBSD$ +.Dd April 27, 2000 +.Dt SIGWAIT 3 +.Os +.Sh NAME +.Nm sigwait +.Nd select a set of signals +.Sh LIBRARY +.Lb libc_r +.Sh SYNOPSIS +.Fd #include <signal.h> +.Ft int +.Fn sigwait "const sigset_t *set" "int *sig" +.Sh DESCRIPTION +The +.Fn sigwait +function selects a set of signals, specified by +.Fa set . +If none of the selected signals are pending, +.Fn sigwait +waits until one or more of the selected signals has been generated. +Then +.Fn sigwait +atomically clears one of the selected signals from the set of pending signals +for the process and sets the location pointed to by +.Fa sig +to the signal number that was cleared. +.Pp +The signals specified by +.Fa set +should be blocked at the time of the call to +.Fn sigwait . +.Sh RETURN VALUES +If successful, +.Fn sigwait +returns 0 and sets the location pointed to by +.Fa sig +to the cleared signal number. +Otherwise, an error number is returned. +.Sh ERRORS +.Fn sigwait +will fail if: +.Bl -tag -width Er +.It Bq Er EINVAL +.Fa set +specifies one or more invalid signal numbers. +.El +.Sh SEE ALSO +.Xr pause 3 , +.Xr pthread_sigmask 3 , +.Xr sigaction 2 , +.Xr sigpending 2 , +.Xr sigsuspend 2 +.Sh STANDARDS +.Fn sigwait +conforms to ISO/IEC 9945-1 ANSI/IEEE +.Pq Dq Tn POSIX +Std 1003.1 1996 Edition. |