xnu-3248.40.184.tar.gz

[apple/xnu.git] / osfmk / kern / clock.h

diff --git a/osfmk/kern/clock.h b/osfmk/kern/clock.h
index 6766417636bf402caac8bda2b7cd2d8790b08225..8918ca3c16b71097f09b27e0a656c0ca73f4d8ee 100644 (file)
--- a/osfmk/kern/clock.h
+++ b/osfmk/kern/clock.h
@@ -1,5 +1,5 @@
 /*
 /*

- * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2008 Apple Inc. All rights reserved.

  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 


@@ -44,8 +44,22 @@
 
 #include <sys/cdefs.h>
 
 
 #include <sys/cdefs.h>
 

+#ifdef __LP64__
+
+typedef unsigned long          clock_sec_t;
+typedef unsigned int           clock_usec_t, clock_nsec_t;
+
+#else  /* __LP64__ */
+
+typedef uint32_t                       clock_sec_t;
+typedef uint32_t                       clock_usec_t, clock_nsec_t;
+
+#endif /* __LP64__ */
+

 #ifdef MACH_KERNEL_PRIVATE
 
 #ifdef MACH_KERNEL_PRIVATE
 

+#include <kern/queue.h>
+

 /*
  * Clock operations list structure. Contains vectors to machine
  * dependent clock routines.
 /*
  * Clock operations list structure. Contains vectors to machine
  * dependent clock routines.


@@ -96,47 +110,21 @@ extern void                clock_timebase_init(void);
  */
 extern void            clock_service_create(void);
 
  */
 extern void            clock_service_create(void);
 

-typedef void           (*clock_timer_func_t)(
-                                               uint64_t                        timestamp);
-
-extern void                    clock_set_timer_func(
-                                               clock_timer_func_t      func);
-
-extern void                    clock_set_timer_deadline(
-                                               uint64_t                        deadline);
-

 extern void                    clock_gettimeofday_set_commpage(
                                                uint64_t                                abstime,
                                                uint64_t                                epoch,
                                                uint64_t                                offset,
 extern void                    clock_gettimeofday_set_commpage(
                                                uint64_t                                abstime,
                                                uint64_t                                epoch,
                                                uint64_t                                offset,

-                                               uint32_t                                *secs,
-                                               uint32_t                                *microsecs);
+                                               clock_sec_t                             *secs,
+                                               clock_usec_t                    *microsecs);

 
 

-extern void                    machine_delay_until(
+extern void                    machine_delay_until(uint64_t interval,

                                                uint64_t                deadline);
 
                                                uint64_t                deadline);
 

-#include <stat_time.h>
-
-extern void            hertz_tick(
-#if    STAT_TIME
-                                       natural_t               ticks,
-#endif /* STAT_TIME */
-                                       boolean_t               usermode,       /* executing user code */
-                                       natural_t               pc);
-
-extern void            absolutetime_to_microtime(
-                                       uint64_t                abstime,
-                                       uint32_t                *secs,
-                                       uint32_t                *microsecs);
-
-extern void            absolutetime_to_nanotime(
-                                       uint64_t                abstime,
-                                       uint32_t                *secs,
-                                       uint32_t                *nanosecs);
+extern uint32_t                hz_tick_interval;

 
 extern void            nanotime_to_absolutetime(
 
 extern void            nanotime_to_absolutetime(

-                                   uint32_t            secs,
-                                       uint32_t                nanosecs,
+                                       clock_sec_t             secs,
+                                       clock_nsec_t    nanosecs,

                                        uint64_t                *result);
 
 #endif /* MACH_KERNEL_PRIVATE */
                                        uint64_t                *result);
 
 #endif /* MACH_KERNEL_PRIVATE */


@@ -146,48 +134,65 @@ __BEGIN_DECLS
 #ifdef XNU_KERNEL_PRIVATE
 
 extern void                    clock_adjtime(
 #ifdef XNU_KERNEL_PRIVATE
 
 extern void                    clock_adjtime(

-                                               int32_t         *secs,
-                                               int32_t         *microsecs);
+                                               long            *secs,
+                                               int                     *microsecs);

 
 extern void                    clock_initialize_calendar(void);
 
 extern void                    clock_wakeup_calendar(void);
 
 extern void                    clock_gettimeofday(
 
 extern void                    clock_initialize_calendar(void);
 
 extern void                    clock_wakeup_calendar(void);
 
 extern void                    clock_gettimeofday(

-                        uint32_t                       *secs,
-                        uint32_t                       *microsecs);
+                                               clock_sec_t                     *secs,
+                                               clock_usec_t            *microsecs);

 
 extern void                    clock_set_calendar_microtime(
 
 extern void                    clock_set_calendar_microtime(

-                                               uint32_t                        secs,
-                                               uint32_t                        microsecs);
+                                               clock_sec_t                     secs,
+                                               clock_usec_t            microsecs);

 
 extern void                    clock_get_boottime_nanotime(
 
 extern void                    clock_get_boottime_nanotime(

-                                               uint32_t                        *secs,
-                                               uint32_t                        *nanosecs);
+                                               clock_sec_t                     *secs,
+                                               clock_nsec_t            *nanosecs);
+
+extern void                    absolutetime_to_microtime(
+                                               uint64_t                        abstime,
+                                               clock_sec_t                     *secs,
+                                               clock_usec_t            *microsecs);

 
 extern void                    clock_deadline_for_periodic_event(
                                                uint64_t                        interval,
                                                uint64_t                        abstime,
                                                uint64_t                        *deadline);
 
 
 extern void                    clock_deadline_for_periodic_event(
                                                uint64_t                        interval,
                                                uint64_t                        abstime,
                                                uint64_t                        *deadline);
 

-#endif /* XNU_KERNEL_PRIVATE */
+#if    CONFIG_DTRACE

 
 

+extern void                    clock_get_calendar_nanotime_nowait(
+                                               clock_sec_t                     *secs,
+                                               clock_nsec_t            *nanosecs);
+
+#endif /* CONFIG_DTRACE */
+
+#endif /* XNU_KERNEL_PRIVATE */

 
 extern void                    clock_get_calendar_microtime(
 
 extern void                    clock_get_calendar_microtime(

-                                               uint32_t                        *secs,
-                                               uint32_t                        *microsecs);
+                                               clock_sec_t                     *secs,
+                                               clock_usec_t            *microsecs);
+
+extern void                    clock_get_calendar_absolute_and_microtime(
+                                               clock_sec_t                     *secs,
+                                               clock_usec_t            *microsecs,
+                                               uint64_t                *abstime);

 
 extern void                    clock_get_calendar_nanotime(
 
 extern void                    clock_get_calendar_nanotime(

-                                               uint32_t                        *secs,
-                                               uint32_t                        *nanosecs);
+                                               clock_sec_t                     *secs,
+                                               clock_nsec_t            *nanosecs);

 
 extern void                    clock_get_system_microtime(
 
 extern void                    clock_get_system_microtime(

-                                               uint32_t                        *secs,
-                                               uint32_t                        *microsecs);
+                                               clock_sec_t                     *secs,
+                                               clock_usec_t            *microsecs);

 
 extern void                    clock_get_system_nanotime(
 
 extern void                    clock_get_system_nanotime(

-                                               uint32_t                        *secs,
-                                               uint32_t                        *nanosecs);
+                                               clock_sec_t                     *secs,
+                                               clock_nsec_t            *nanosecs);

 
 extern void                            clock_timebase_info(
                                                        mach_timebase_info_t    info);
 
 extern void                            clock_timebase_info(
                                                        mach_timebase_info_t    info);


@@ -220,12 +225,17 @@ extern void             nanoseconds_to_absolutetime(
                                                        uint64_t                nanoseconds,
                                                        uint64_t                *result);
 
                                                        uint64_t                nanoseconds,
                                                        uint64_t                *result);
 

+extern uint64_t mach_absolutetime_asleep;
+extern uint64_t mach_absolutetime_last_sleep;
+

 #ifdef KERNEL_PRIVATE
 
 /*
  * Obsolete interfaces.
  */
 
 #ifdef KERNEL_PRIVATE
 
 /*
  * Obsolete interfaces.
  */
 

+#ifndef        __LP64__
+

 #define MACH_TIMESPEC_SEC_MAX          (0 - 1)
 #define MACH_TIMESPEC_NSEC_MAX         (NSEC_PER_SEC - 1)
 
 #define MACH_TIMESPEC_SEC_MAX          (0 - 1)
 #define MACH_TIMESPEC_NSEC_MAX         (NSEC_PER_SEC - 1)
 


@@ -249,45 +259,31 @@ extern void             nanoseconds_to_absolutetime(
        }                                                                                       \
   } while (0)
 
        }                                                                                       \
   } while (0)
 

+#include <Availability.h>

 
 

-extern mach_timespec_t clock_get_system_value(void);
-
-extern mach_timespec_t clock_get_calendar_value(void);
-
-extern void                            delay_for_interval(
-                                                       uint32_t                interval,
-                                                       uint32_t                scale_factor);
-#ifndef        MACH_KERNEL_PRIVATE
-
-#ifndef        ABSOLUTETIME_SCALAR_TYPE
-
-#define clock_get_uptime(a)            \
-       clock_get_uptime(__OSAbsoluteTimePtr(a))
+/* Use mach_absolute_time() */
+extern mach_timespec_t clock_get_system_value(void) __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_10_0, __MAC_10_8, __IPHONE_2_0, __IPHONE_6_0);

 
 

-#define clock_interval_to_deadline(a, b, c)            \
-       clock_interval_to_deadline((a), (b), __OSAbsoluteTimePtr(c))
+extern mach_timespec_t clock_get_calendar_value(void) __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_10_0, __MAC_10_8, __IPHONE_2_0, __IPHONE_6_0);

 
 

-#define clock_interval_to_absolutetime_interval(a, b, c)       \
-       clock_interval_to_absolutetime_interval((a), (b), __OSAbsoluteTimePtr(c))
+#else  /* __LP64__ */

 
 

-#define clock_absolutetime_interval_to_deadline(a, b)  \
-       clock_absolutetime_interval_to_deadline(__OSAbsoluteTime(a), __OSAbsoluteTimePtr(b))
-
-#define clock_deadline_for_periodic_event(a, b, c)     \
-       clock_deadline_for_periodic_event(__OSAbsoluteTime(a), __OSAbsoluteTime(b), __OSAbsoluteTimePtr(c))
+#ifdef XNU_KERNEL_PRIVATE

 
 

-#define clock_delay_until(a)   \
-       clock_delay_until(__OSAbsoluteTime(a))
+#define MACH_TIMESPEC_ZERO     ((mach_timespec_t) { 0, 0 } )

 
 

-#define absolutetime_to_nanoseconds(a, b)      \
-       absolutetime_to_nanoseconds(__OSAbsoluteTime(a), (b))
+#endif /* XNU_KERNEL_PRIVATE */

 
 

-#define nanoseconds_to_absolutetime(a, b)      \
-       nanoseconds_to_absolutetime((a), __OSAbsoluteTimePtr(b))
+#endif /* __LP64__ */

 
 

-#endif /* ABSOLUTETIME_SCALAR_TYPE */
+extern void                            delay_for_interval(
+                                                       uint32_t                interval,
+                                                       uint32_t                scale_factor);

 
 

-#endif /* !MACH_KERNEL_PRIVATE */
+extern void                            delay_for_interval_with_leeway(
+                                                       uint32_t                interval,
+                                                       uint32_t                leeway,
+                                                       uint32_t                scale_factor);

 
 #endif /* KERNEL_PRIVATE */
 
 
 #endif /* KERNEL_PRIVATE */