]> git.saurik.com Git - apple/xnu.git/blobdiff - osfmk/mach/semaphore.h
xnu-1456.1.26.tar.gz
[apple/xnu.git] / osfmk / mach / semaphore.h
index fe21aa9fb8883ff6d31df78d61b9588bce54637b..36ba3d00f80ac0eeaddb1d74a4fd72348bf2431e 100644 (file)
@@ -1,23 +1,29 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2008 Apple Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * 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. 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.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * 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@
  */
 
 #ifndef _MACH_SEMAPHORE_H_
 #include <mach/kern_return.h>
 #include <mach/sync_policy.h>
 
-#define SEMAPHORE_OPTION_NONE          0x00000000
-
-#define SEMAPHORE_SIGNAL               0x00000001
-#define SEMAPHORE_WAIT                 0x00000002
-#define SEMAPHORE_WAIT_ON_SIGNAL       0x00000008
-
-#define SEMAPHORE_SIGNAL_TIMEOUT       0x00000010
-#define SEMAPHORE_SIGNAL_ALL           0x00000020
-#define SEMAPHORE_SIGNAL_INTERRUPT     0x00000040      /* libmach implements */
-#define SEMAPHORE_SIGNAL_PREPOST       0x00000080
-
-#define SEMAPHORE_WAIT_TIMEOUT         0x00000100
-#define SEMAPHORE_WAIT_INTERRUPT       0x00000400      /* libmach implements */
-
-#define SEMAPHORE_TIMEOUT_NOBLOCK      0x00100000
-#define SEMAPHORE_TIMEOUT_RELATIVE     0x00200000
-
-#define SEMAPHORE_USE_SAVED_RESULT     0x01000000      /* internal use only */
-#define SEMAPHORE_SIGNAL_RELEASE       0x02000000      /* internal use only */
-
-
 /*
  *     Forward Declarations
  *
  *                                       semaphore_t semaphore);
  */
 
+#include <sys/cdefs.h>
+__BEGIN_DECLS
+
 extern kern_return_t   semaphore_signal        (semaphore_t semaphore);
 extern kern_return_t   semaphore_signal_all    (semaphore_t semaphore);
-extern kern_return_t   semaphore_signal_thread (semaphore_t semaphore,
-                                                thread_act_t thread_act);
 
 extern kern_return_t   semaphore_wait          (semaphore_t semaphore);
+
+#ifdef KERNEL
+
+#ifdef __LP64__
+
+#ifdef KERNEL_PRIVATE
+
+extern kern_return_t   semaphore_timedwait     (semaphore_t semaphore, 
+                                                                                                mach_timespec_t wait_time);
+
+#endif /* KERNEL_PRIVATE */
+
+#else  /* __LP64__ */
+
+extern kern_return_t   semaphore_timedwait     (semaphore_t semaphore, 
+                                                                                                mach_timespec_t wait_time);
+
+#endif /* __LP64__ */
+
+extern kern_return_t   semaphore_wait_deadline (semaphore_t semaphore,
+                                                                                                uint64_t deadline);
+extern kern_return_t   semaphore_wait_noblock  (semaphore_t semaphore);
+
+#ifdef XNU_KERNEL_PRIVATE
+
+extern  kern_return_t   semaphore_wait_signal   (semaphore_t wait_semaphore,
+                                                 semaphore_t signal_semaphore);
+
+extern  kern_return_t  semaphore_timedwait_signal(semaphore_t wait_semaphore,
+                                                                                                  semaphore_t signal_semaphore,
+                                                                                                  mach_timespec_t wait_time);
+
+extern kern_return_t   semaphore_signal_thread (semaphore_t semaphore,
+                                                 thread_t thread);
+
+#endif /* XNU_KERNEL_PRIVATE */
+
+#else  /* KERNEL */
+
 extern kern_return_t   semaphore_timedwait     (semaphore_t semaphore, 
-                                                mach_timespec_t wait_time);
+                                                                                                mach_timespec_t wait_time);
+
+extern  kern_return_t  semaphore_timedwait_signal(semaphore_t wait_semaphore,
+                                                                                                  semaphore_t signal_semaphore,
+                                                                                                  mach_timespec_t wait_time);
 
 extern  kern_return_t   semaphore_wait_signal   (semaphore_t wait_semaphore,
                                                  semaphore_t signal_semaphore);
 
-extern  kern_return_t semaphore_timedwait_signal(semaphore_t wait_semaphore,
-                                                 semaphore_t signal_semaphore,
-                                                 mach_timespec_t wait_time);
+extern kern_return_t   semaphore_signal_thread (semaphore_t semaphore,
+                                                 thread_t thread);
+
+#endif /* KERNEL */
+
+__END_DECLS
+
+#ifdef PRIVATE
+
+#define SEMAPHORE_OPTION_NONE          0x00000000
+
+#define SEMAPHORE_SIGNAL               0x00000001
+#define SEMAPHORE_WAIT                 0x00000002
+#define SEMAPHORE_WAIT_ON_SIGNAL       0x00000008
+
+#define SEMAPHORE_SIGNAL_TIMEOUT       0x00000010
+#define SEMAPHORE_SIGNAL_ALL           0x00000020
+#define SEMAPHORE_SIGNAL_INTERRUPT     0x00000040      /* libmach implements */
+#define SEMAPHORE_SIGNAL_PREPOST       0x00000080
+
+#define SEMAPHORE_WAIT_TIMEOUT         0x00000100
+#define SEMAPHORE_WAIT_INTERRUPT       0x00000400      /* libmach implements */
+
+#define SEMAPHORE_TIMEOUT_NOBLOCK      0x00100000
+#define SEMAPHORE_TIMEOUT_RELATIVE     0x00200000
+
+#define SEMAPHORE_USE_SAVED_RESULT     0x01000000      /* internal use only */
+#define SEMAPHORE_SIGNAL_RELEASE       0x02000000      /* internal use only */
 
-extern  kern_return_t  semaphore_operator      (int options,
-                                                semaphore_t wait_semaphore,
-                                                semaphore_t signal_semaphore,
-                                                thread_act_t thread,
-                                                mach_timespec_t wait_time);
+#endif /* PRIVATE */
 
-#endif /* _MACH_SEMAPHORE_H_ */
+#endif /* _MACH_SEMAPHORE_H_ */