1/*	$OpenBSD: pause.c,v 1.7 2019/01/25 00:19:25 millert Exp $	*/
2
3/*
4 * Written by Todd C. Miller <millert@openbsd.org>
5 * Public domain.
6 */
7
8#include <signal.h>
9#include <unistd.h>
10
11/*
12 * Backwards compatible pause(3).
13 */
14int
15pause(void)
16{
17	sigset_t mask;
18
19	return (sigprocmask(SIG_BLOCK, NULL, &mask) ? -1 : sigsuspend(&mask));
20}
21