libc/signal/sigfillset.c

   1 /* Copyright (C) 1991,96,97,2002,2003,2004 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #include <signal.h>
  19 #ifdef __UCLIBC_HAS_THREADS_NATIVE__
  20 # include <pthreadP.h>  /* SIGCANCEL */
  21 #endif
  22 #if 0
  23 #define __need_NULL
  24 #include <stddef.h>
  25 #include <errno.h>
  26 #endif
  27
  28 /* Set all signals in SET.  */
  29 int
  30 sigfillset (sigset_t *set)
  31 {
  32 #if 0 /* is it really required by standards?! */
  33   if (set == NULL)
  34     {
  35       __set_errno (EINVAL);
  36       return -1;
  37     }
  38 #endif
  39
  40   __sigfillset (set);
  41
  42   /* If the implementation uses a cancellation signal don't set the bit.  */
  43 #ifdef SIGCANCEL
  44   __sigdelset (set, SIGCANCEL);
  45 #endif
  46   /* Likewise for the signal to implement setxid.  */
  47 #ifdef SIGSETXID
  48   __sigdelset (set, SIGSETXID);
  49 #endif
  50
  51   return 0;
  52 }