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authorRoland McGrath <roland@hack.frob.com>2014-06-24 19:17:43 -0700
committerRoland McGrath <roland@hack.frob.com>2014-06-24 19:17:43 -0700
commit0d749bbebad48b4c673a29af03d5c5dd151881de (patch)
tree0248393d915b4501f300c31e2c6c21fe553f806d /sysdeps/x86/bits/semaphore.h
parent4060283decf711ed95a6c4993ffeaba39f8cd40a (diff)
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x86: Consolidate unnecessary nptl/ subdirectories.
Diffstat (limited to 'sysdeps/x86/bits/semaphore.h')
-rw-r--r--sysdeps/x86/bits/semaphore.h40
1 files changed, 40 insertions, 0 deletions
diff --git a/sysdeps/x86/bits/semaphore.h b/sysdeps/x86/bits/semaphore.h
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+/* Copyright (C) 2002-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ 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, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _SEMAPHORE_H
+# error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead."
+#endif
+
+#include <bits/wordsize.h>
+
+#if __WORDSIZE == 64
+# define __SIZEOF_SEM_T 32
+#else
+# define __SIZEOF_SEM_T 16
+#endif
+
+
+/* Value returned if `sem_open' failed. */
+#define SEM_FAILED ((sem_t *) 0)
+
+
+typedef union
+{
+ char __size[__SIZEOF_SEM_T];
+ long int __align;
+} sem_t;