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Command: sigpause | Section: 3 | Source: OpenBSD | File: sigpause.3
SIGPAUSE(3) FreeBSD Library Functions Manual SIGPAUSE(3)
NAME
sigpause - atomically release blocked signals and wait for interrupt
SYNOPSIS
#include <signal.h>
int
sigpause(int sigmask);
DESCRIPTION
This interface is made obsolete by sigsuspend(2).
sigpause() assigns sigmask to the set of masked signals and then waits
for a signal to arrive; on return the set of masked signals is restored.
sigmask is usually 0 to indicate that no signals are to be blocked.
sigpause() always terminates by being interrupted, returning -1 with
errno set to EINTR.
SEE ALSO
kill(2), sigaction(2), sigprocmask(2), sigsuspend(2), sigblock(3),
sigvec(3)
HISTORY
A sigpause() system call first appeared in 4.2BSD. In 4.3BSD-Reno, it
was reimplemented as a wrapper around sigsuspend(2). The old system call
was kept for compatibility until OpenBSD 4.9.
FreeBSD 14.1-RELEASE-p8 December 13, 2022 FreeBSD 14.1-RELEASE-p8