src/lib/libc/gen/pause.c

21 lines
333 B
C

/* $OpenBSD: pause.c,v 1.7 2019/01/25 00:19:25 millert Exp $ */
/*
* Written by Todd C. Miller <millert@openbsd.org>
* Public domain.
*/
#include <signal.h>
#include <unistd.h>
/*
* Backwards compatible pause(3).
*/
int
pause(void)
{
sigset_t mask;
return (sigprocmask(SIG_BLOCK, NULL, &mask) ? -1 : sigsuspend(&mask));
}