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glibc  2.9
sigset-cvt-mask.h
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00001 /* Convert between lowlevel sigmask and libc representation of sigset_t.
00002    Linux version.
00003    Copyright (C) 1998, 2002 Free Software Foundation, Inc.
00004    This file is part of the GNU C Library.
00005    Contributed by Joe Keane <jgk@jgk.org>.
00006 
00007    The GNU C Library is free software; you can redistribute it and/or
00008    modify it under the terms of the GNU Lesser General Public
00009    License as published by the Free Software Foundation; either
00010    version 2.1 of the License, or (at your option) any later version.
00011 
00012    The GNU C Library is distributed in the hope that it will be useful,
00013    but WITHOUT ANY WARRANTY; without even the implied warranty of
00014    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015    Lesser General Public License for more details.
00016 
00017    You should have received a copy of the GNU Lesser General Public
00018    License along with the GNU C Library; if not, write to the Free
00019    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00020    02111-1307 USA.  */
00021 
00022 static inline int __attribute__ ((unused))
00023 sigset_set_old_mask (sigset_t *set, int mask)
00024 {
00025   unsigned long int *ptr;
00026   int cnt;
00027 
00028   ptr = &set->__val[0];
00029 
00030   *ptr++ = (unsigned int) mask;
00031 
00032   cnt = _SIGSET_NWORDS - 2;
00033   do
00034     *ptr++ = 0ul;
00035   while (--cnt >= 0);
00036 
00037   return 0;
00038 }
00039 
00040 static inline int __attribute__ ((unused))
00041 sigset_get_old_mask (const sigset_t *set)
00042 {
00043   return (unsigned int) set->__val[0];
00044 }