mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-11-25 11:04:18 +08:00
40 lines
902 B
C
40 lines
902 B
C
/* Version of sigsetmask.c
|
|
Written by Steve Chamberlain (sac@cygnus.com).
|
|
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;
|
|
|
|
#ifdef SIG_SETMASK
|
|
int
|
|
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. */
|
|
}
|
|
#endif
|