diff options
Diffstat (limited to 'signal/signal.h')
| -rw-r--r-- | signal/signal.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/signal/signal.h b/signal/signal.h index b1953e5133..df54e7940d 100644 --- a/signal/signal.h +++ b/signal/signal.h @@ -183,6 +183,19 @@ extern int sigdelset __P ((sigset_t *__set, int __signo)); /* Return 1 if SIGNO is in SET, 0 if not. */ extern int sigismember __P ((__const sigset_t *__set, int __signo)); +#ifdef __USE_GNU +/* Return non-empty value is SET is not empty. */ +extern int sigisemptyset __P ((__const sigset_t *__set)); + +/* Build new signal set by combining the two inputs set using logical AND. */ +extern int sigandset __P ((sigset_t *__set, __const sigset_t *__left, + __const sigset_t *__right)); + +/* Build new signal set by combining the two inputs set using logical OR. */ +extern int sigorset __P ((sigset_t *__set, __const sigset_t *__left, + __const sigset_t *__right)); +#endif /* GNU */ + /* Get the system-specific definitions of `struct sigaction' and the `SA_*' and `SIG_*'. constants. */ #include <sigaction.h> |