xnu-3789.70.16.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 3182ec0d6476d4f087025191d6b8eba93c295497..e24219e751f2ba9ec3164b52db67874a0654b630 100644 (file)
--- a/osfmk/mach/mach_time.h
+++ b/osfmk/mach/mach_time.h
@@ -1,39 +1,37 @@
 /*
  * Copyright (c) 2001-2005 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
+ * @APPLE_OSREFERENCE_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.  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, 
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
- * Please see the License for the specific language governing rights and 
+ * 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.
+ * 
+ * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
  * limitations under the License.
- *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
+ * 
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 
 #ifndef        _MACH_MACH_TIME_H_
 #define        _MACH_MACH_TIME_H_
 
 #include <mach/mach_types.h>
-
 #include <sys/cdefs.h>
+#include <Availability.h>
 
 struct mach_timebase_info {
        uint32_t        numer;
@@ -55,6 +53,36 @@ kern_return_t                mach_wait_until(
 #endif /* KERNEL */
 
 uint64_t                       mach_absolute_time(void);
+
+__OSX_AVAILABLE_STARTING(__MAC_10_9, __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 */
+
 __END_DECLS
 
 #endif /* _MACH_MACH_TIME_H_ */