glibc/signal/sigfillset.c
2005-12-14 15:06:39 +00:00

48 lines
1.4 KiB
C

/* Copyright (C) 1991,96,97,2002,2003,2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <signal.h>
#include <string.h>
/* Set all signals in SET. */
int
sigfillset (set)
sigset_t *set;
{
if (set == NULL)
{
__set_errno (EINVAL);
return -1;
}
memset (set, 0xff, sizeof (sigset_t));
/* If the implementation uses a cancellation signal don't set the bit. */
#ifdef SIGCANCEL
__sigdelset (set, SIGCANCEL);
#endif
/* Likewise for the signal to implement setxid. */
#ifdef SIGSETXID
__sigdelset (set, SIGSETXID);
#endif
return 0;
}
libc_hidden_def (sigfillset)