1/* Version of sigsetmask.c 2 Written by Steve Chamberlain (sac@cygnus.com). 3 Contributed by Cygnus Support. 4 This file is in the public doamin. */ 5 6/* Set the current signal mask to the set provided, and return the 7 previous value */ 8 9#define _POSIX_SOURCE 10#include <ansidecl.h> 11/* Including <sys/types.h> seems to be needed by ISC. */ 12#include <sys/types.h> 13#include <signal.h> 14 15#ifdef SIG_SETMASK 16int 17DEFUN(sigsetmask,(set), 18 int set) 19{ 20 sigset_t new; 21 sigset_t old; 22 23 sigemptyset (&new); 24 if (set != 0) { 25 abort(); /* FIXME, we don't know how to translate old mask to new */ 26 } 27 sigprocmask(SIG_SETMASK, &new, &old); 28 return 1; /* FIXME, we always return 1 as old value. */ 29} 30#endif 31