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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
-