summaryrefslogtreecommitdiff
path: root/lib/libpthread/include/semaphore.h
diff options
context:
space:
mode:
Diffstat (limited to 'lib/libpthread/include/semaphore.h')
-rw-r--r--lib/libpthread/include/semaphore.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/lib/libpthread/include/semaphore.h b/lib/libpthread/include/semaphore.h
new file mode 100644
index 00000000000..f685682ed07
--- /dev/null
+++ b/lib/libpthread/include/semaphore.h
@@ -0,0 +1,68 @@
+/* $OpenBSD: semaphore.h,v 1.1 2002/01/18 00:36:36 fgsch Exp $ */
+
+/* semaphore.h: POSIX 1003.1b semaphores */
+
+/*-
+ * Copyright (c) 1996, 1997
+ * HD Associates, Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by HD Associates, Inc
+ * 4. Neither the name of the author nor the names of any co-contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL HD ASSOCIATES OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD: semaphore.h,v 1.6 2000/01/20 07:55:42 jasone Exp $
+ */
+
+#ifndef _SEMAPHORE_H_
+#define _SEMAPHORE_H_
+
+#include <machine/limits.h>
+
+/* Opaque type definition. */
+struct sem;
+typedef struct sem *sem_t;
+
+#define SEM_FAILED ((sem_t *)0)
+#define SEM_VALUE_MAX UINT_MAX
+
+#ifndef _KERNEL
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+int sem_init __P((sem_t *, int, unsigned int));
+int sem_destroy __P((sem_t *));
+sem_t *sem_open __P((const char *, int, ...));
+int sem_close __P((sem_t *));
+int sem_unlink __P((const char *));
+int sem_wait __P((sem_t *));
+int sem_trywait __P((sem_t *));
+int sem_post __P((sem_t *));
+int sem_getvalue __P((sem_t *, int *));
+__END_DECLS
+
+#endif /* _KERNEL */
+
+#endif /* _SEMAPHORE_H_ */