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-rw-r--r--libpthread/include/semaphore.h69
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diff --git a/libpthread/include/semaphore.h b/libpthread/include/semaphore.h
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+/* Copyright (C) 2005, 2007 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _SEMAPHORE_H
+#define _SEMAPHORE_H 1
+
+#include <features.h>
+
+__BEGIN_DECLS
+
+#include <bits/semaphore.h>
+
+#define SEM_FAILED ((void *) 0)
+
+typedef struct __semaphore sem_t;
+
+/* Initialize semaphore *SEM with value VALUE. */
+extern int sem_init (sem_t *sem, int pshared, unsigned value);
+
+/* Destroy semaphore *SEM created with sem_init. */
+extern int sem_destroy (sem_t *sem);
+
+/* Store the value of semaphore *SEM in *VALUE. */
+extern int sem_getvalue (sem_t *__restrict sem, int *__restrict value);
+
+/* Perform a down operation on semaphore *SEM. */
+extern int sem_wait (sem_t *sem);
+
+/* Perform a down operation on semaphore *SEM if it can be done so
+ without blocking. */
+extern int sem_trywait (sem_t *sem);
+
+#ifdef __USE_XOPEN2K
+/* Perform a down operation on semaphore *SEM but don't wait longer
+ than TIMEOUT. */
+extern int sem_timedwait (sem_t *__restrict sem,
+ const struct timespec *__restrict timeout);
+#endif
+
+/* Perform an up operation on semaphore *SEM. */
+extern int sem_post (sem_t *sem);
+
+/* Open a named semaphore. */
+extern sem_t *sem_open (const char *name, int open_flags, ...);
+
+/* Close a semaphore returned by sem_open. */
+extern int sem_close (sem_t *sem);
+
+/* Unlink a named semaphore. */
+extern int sem_unlink (const char *name);
+
+__END_DECLS
+
+#endif /* semaphore.h */