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[/] [openrisc/] [trunk/] [gnu-stable/] [gdb-7.2/] [libiberty/] [sigsetmask.c] - Rev 841

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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. */
 
/*
 
@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
 
*/
 
#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 (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
 

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