1999-05-03 15:29:11 +08:00
|
|
|
/* Version of sigsetmask.c
|
|
|
|
|
Written by Steve Chamberlain (sac@cygnus.com).
|
|
|
|
|
Contributed by Cygnus Support.
|
|
|
|
|
This file is in the public doamin. */
|
|
|
|
|
|
2001-09-27 02:45:50 +08:00
|
|
|
/*
|
|
|
|
|
|
|
|
|
|
@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
|
|
|
|
|
|
|
|
|
|
*/
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
|
|
|
#define _POSIX_SOURCE
|
|
|
|
|
#include <ansidecl.h>
|
|
|
|
|
/* Including <sys/types.h> seems to be needed by ISC. */
|
|
|
|
|
#include <sys/types.h>
|
|
|
|
|
#include <signal.h>
|
|
|
|
|
|
2000-10-12 10:16:48 +08:00
|
|
|
extern void abort PARAMS ((void)) ATTRIBUTE_NORETURN;
|
|
|
|
|
|
1999-05-03 15:29:11 +08:00
|
|
|
#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
|
