xnu-6153.121.1.tar.gz

[apple/xnu.git] / osfmk / mach / mach_time.h

diff --git a/osfmk/mach/mach_time.h b/osfmk/mach/mach_time.h
index 253875f0c379e75254c2b8422bf72b839db27735..f2601ade4141ea9b0fb28d9c733062d9b49a7b15 100644 (file)
--- a/osfmk/mach/mach_time.h
+++ b/osfmk/mach/mach_time.h
@@ -1,17 +1,20 @@
 /*
- * Copyright (c) 2001 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2001-2005 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
- * 
  * 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,
@@ -19,37 +22,67 @@
  * 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@
- */
-/*
- * Copyright (c) 2001 Apple Computer, Inc.  All rights reserved.
- *
- * HISTORY
  *
- * 30 January 2001 (debo)
- *  Created.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 
-#ifndef        _MACH_MACH_TIME_H_
-#define        _MACH_MACH_TIME_H_
+#ifndef _MACH_MACH_TIME_H_
+#define _MACH_MACH_TIME_H_
 
 #include <mach/mach_types.h>
-
-uint64_t                       mach_absolute_time(void);
-
-kern_return_t          mach_wait_until(
-                                               uint64_t                deadline);
+#include <sys/cdefs.h>
+#include <Availability.h>
 
 struct mach_timebase_info {
-       uint32_t        numer;
-       uint32_t        denom;
+       uint32_t        numer;
+       uint32_t        denom;
 };
 
-typedef struct mach_timebase_info      *mach_timebase_info_t;
-typedef struct mach_timebase_info      mach_timebase_info_data_t;
+typedef struct mach_timebase_info       *mach_timebase_info_t;
+typedef struct mach_timebase_info       mach_timebase_info_data_t;
+
+__BEGIN_DECLS
+#ifndef KERNEL
+
+kern_return_t           mach_timebase_info(
+       mach_timebase_info_t    info);
+
+kern_return_t           mach_wait_until(
+       uint64_t                deadline);
+
+#endif  /* KERNEL */
+
+uint64_t                        mach_absolute_time(void);
+
+__OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0)
+uint64_t                        mach_approximate_time(void);
+
+/*
+ * like mach_absolute_time, but advances during sleep
+ */
+__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0)
+uint64_t                        mach_continuous_time(void);
+
+/*
+ * like mach_approximate_time, but advances during sleep
+ */
+__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0)
+uint64_t                        mach_continuous_approximate_time(void);
+
+#if !defined(KERNEL) && defined(PRIVATE)
+// Forward definition because this is a BSD value
+struct timespec;
+
+__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0)
+kern_return_t           mach_get_times(uint64_t* absolute_time,
+    uint64_t* continuous_time,
+    struct timespec *tp);
+
+__OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0)
+uint64_t                mach_boottime_usec(void);
+
+#endif /* KERNEL */
 
-kern_return_t          mach_timebase_info(
-                                               mach_timebase_info_t    info);
+__END_DECLS
 
 #endif /* _MACH_MACH_TIME_H_ */