[deliverable/binutils-gdb.git] / libiberty / sigsetmask.c

/* 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>

extern void abort PARAMS ((void)) ATTRIBUTE_NORETURN;

#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
Commit	Line	Data
252b5132 RH	1	/* Version of sigsetmask.c
	2	Written by Steve Chamberlain (sac@cygnus.com).
	3	Contributed by Cygnus Support.
	4	This file is in the public doamin. */
	5
	6	/* Set the current signal mask to the set provided, and return the
	7	previous value */
	8
	9	#define _POSIX_SOURCE
	10	#include <ansidecl.h>
	11	/* Including <sys/types.h> seems to be needed by ISC. */
	12	#include <sys/types.h>
	13	#include <signal.h>
	14
74bcd529 DD	15	extern void abort PARAMS ((void)) ATTRIBUTE_NORETURN;
74bcd529 DD	16
252b5132 RH	17	#ifdef SIG_SETMASK
	18	int
	19	DEFUN(sigsetmask,(set),
	20	int set)
	21	{
	22	sigset_t new;
	23	sigset_t old;
	24
	25	sigemptyset (&new);
	26	if (set != 0) {
	27	abort(); /* FIXME, we don't know how to translate old mask to new */
	28	}
	29	sigprocmask(SIG_SETMASK, &new, &old);
	30	return 1; /* FIXME, we always return 1 as old value. */
	31	}
	32	#endif