blob: f7a24246d1fdb15eacb414c35a6cdd98d95e6c4b [file] [log] [blame]
/* Version of sigsetmask.c
Written by Steve Chamberlain (
Contributed by Cygnus Support.
This file is in the public doamin. */
@deftypefn Supplemental int sigsetmask (int @var{set})
Sets the signal mask to the one provided in @var{set} and returns
the old mask (which, for libiberty's implementation, will always
be the value @code{1}).
@end deftypefn
#include <ansidecl.h>
/* Including <sys/types.h> seems to be needed by ISC. */
#include <sys/types.h>
#include <signal.h>
extern void abort (void) ATTRIBUTE_NORETURN;
sigsetmask (int set)
sigset_t new_sig;
sigset_t old_sig;
sigemptyset (&new_sig);
if (set != 0) {
abort(); /* FIXME, we don't know how to translate old mask to new */
sigprocmask(SIG_SETMASK, &new_sig, &old_sig);
return 1; /* FIXME, we always return 1 as old value. */