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/* Version of sigsetmask.c
Written by Steve Chamberlain (sac@cygnus.com).
Contributed by Cygnus Support.
This file is in the public doamin. */
/* Set the current signal mask to the set provided, and return the
previous value */
#define _POSIX_SOURCE
#include <ansidecl.h>
/* Including <sys/types.h> seems to be needed by ISC. */
#include <sys/types.h>
#include <signal.h>
#ifdef SIG_SETMASK
int
DEFUN(sigsetmask,(set),
int set)
{
sigset_t new;
sigset_t old;
sigemptyset (&new);
if (set != 0) {
abort(); /* FIXME, we don't know how to translate old mask to new */
}
sigprocmask(SIG_SETMASK, &new, &old);
return 1; /* FIXME, we always return 1 as old value. */
}
#endif
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