*nix Documentation Project
·  Home
 +   man pages
·  Linux HOWTOs
·  FreeBSD Tips
·  *niX Forums

  man pages->FreeBSD man pages -> sigwait (3)              



NAME    [Toc]    [Back]

     sigwait -- select a set of signals

LIBRARY    [Toc]    [Back]

     Reentrant C Library (libc_r, -lc_r)

SYNOPSIS    [Toc]    [Back]

     #include <signal.h>

     sigwait(const sigset_t * restrict set, int * restrict sig);

DESCRIPTION    [Toc]    [Back]

     The sigwait() function selects a set of signals, specified by set.  If
     none of the selected signals are pending, sigwait() waits until one or
     more of the selected signals has been generated.  Then sigwait() atomically
 clears one of the selected signals from the set of pending signals
     for the process and sets the location pointed to by sig to the signal
     number that was cleared.

     The signals specified by set should be blocked at the time of the call to

RETURN VALUES    [Toc]    [Back]

     If successful, sigwait() returns 0 and sets the location pointed to by
     sig to the cleared signal number.	Otherwise, an error number is

ERRORS    [Toc]    [Back]

     The sigwait() function will fail if:

     [EINVAL]		set specifies one or more invalid signal numbers.

SEE ALSO    [Toc]    [Back]

     sigaction(2), sigpending(2), sigsuspend(2), pause(3), pthread_sigmask(3)

STANDARDS    [Toc]    [Back]

     The sigwait() function conforms to ISO/IEC 9945-1:1996 (``POSIX.1'')

FreeBSD 5.2.1			April 27, 2000			 FreeBSD 5.2.1
[ Back ]
 Similar pages
Name OS Title
sigblock OpenBSD block signals
sigpending OpenBSD get pending signals
sigmask OpenBSD block signals
sigpending NetBSD get pending signals
signal HP-UX description of signals
sigblock NetBSD block signals
sigpending FreeBSD get pending signals
sigblock HP-UX block signals
ssignal IRIX software signals
signal IRIX base signals
Copyright © 2004-2005 DeniX Solutions SRL
newsletter delivery service