/* $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)); }