xnu-6153.61.1.tar.gz

[apple/xnu.git] / bsd / sys / semaphore.h

diff --git a/bsd/sys/semaphore.h b/bsd/sys/semaphore.h
index 48c9ac2a0aa5ced86bbf87b0852bd688053ffbe8..b55852012d785179a378a4daf4a919e40cba9cac 100644 (file)
--- a/bsd/sys/semaphore.h
+++ b/bsd/sys/semaphore.h
@@ -1,15 +1,20 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  *
- * @APPLE_LICENSE_HEADER_START@
- * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- * 
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
@@ -17,14 +22,14 @@
  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  * Please see the License for the specific language governing rights and
  * limitations under the License.
- * 
- * @APPLE_LICENSE_HEADER_END@
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*     @(#)semaphore.h 1.0     2/29/00         */
 
 
 
-/* 
+/*
  * semaphore.h - POSIX semaphores
  *
  * HISTORY
@@ -32,31 +37,33 @@
  *     Created for Mac OS X
  */
 
-#ifndef        _SYS_SEMAPHORE_H_
+#ifndef _SYS_SEMAPHORE_H_
 #define _SYS_SEMAPHORE_H_
 
 typedef int sem_t;
+
 /* this should go in limits.h> */
 #define SEM_VALUE_MAX 32767
-#define SEM_FAILED -1
+#define SEM_FAILED ((sem_t *)-1)
 
 #ifndef KERNEL
 #include <sys/cdefs.h>
 
 __BEGIN_DECLS
 int sem_close(sem_t *);
-int sem_destroy(sem_t *);
-int sem_getvalue(sem_t *, int *);
-int sem_init(sem_t *, int, unsigned int);
+int sem_destroy(sem_t *) __deprecated;
+int sem_getvalue(sem_t * __restrict, int * __restrict) __deprecated;
+int sem_init(sem_t *, int, unsigned int) __deprecated;
 sem_t * sem_open(const char *, int, ...);
 int sem_post(sem_t *);
 int sem_trywait(sem_t *);
 int sem_unlink(const char *);
-int sem_wait(sem_t *);
+int sem_wait(sem_t *) __DARWIN_ALIAS_C(sem_wait);
 __END_DECLS
 
-#else  /* KERNEL */
+#else   /* KERNEL */
+void psem_lock_init(void);
 void psem_cache_init(void);
-#endif /* KERNEL */
+#endif  /* KERNEL */
 
-#endif /* _SYS_SEMAPHORE_H_ */
+#endif  /* _SYS_SEMAPHORE_H_ */