nptl/sysdeps/unix/sysv/linux/mips/bits/semaphore.h

   1 /* Copyright (C) 2002, 2005 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, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #ifndef _SEMAPHORE_H
  20 # error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead."
  21 #endif
  22
  23 #if _MIPS_SIM == _ABI64
  24 # define __SIZEOF_SEM_T 32
  25 #else
  26 # define __SIZEOF_SEM_T 16
  27 #endif
  28
  29 /* Value returned if `sem_open' failed.  */
  30 #define SEM_FAILED      ((sem_t *) 0)
  31
  32 /* Maximum value the semaphore can have.  */
  33 #define SEM_VALUE_MAX   (2147483647)
  34
  35
  36 typedef union
  37 {
  38   char __size[__SIZEOF_SEM_T];
  39   long int __align;
  40 } sem_t;