thread_call_t call,
thread_call_param_t param1,
uint64_t deadline);
+#ifdef XNU_KERNEL_PRIVATE
+
+/*
+ * Flags to alter the default timer/timeout coalescing behavior
+ * on a per-thread_call basis.
+ *
+ * The SYS urgency classes indicate that the thread_call is not
+ * directly related to the current thread at the time the thread_call
+ * is entered, so it is ignored in the calculation entirely (only
+ * the subclass specified is used).
+ *
+ * The USER flags indicate that both the current thread scheduling and QoS
+ * attributes, in addition to the per-thread_call urgency specification,
+ * are used to establish coalescing behavior.
+ */
+#define THREAD_CALL_DELAY_SYS_NORMAL TIMEOUT_URGENCY_SYS_NORMAL
+#define THREAD_CALL_DELAY_SYS_CRITICAL TIMEOUT_URGENCY_SYS_CRITICAL
+#define THREAD_CALL_DELAY_SYS_BACKGROUND TIMEOUT_URGENCY_SYS_BACKGROUND
+
+#define THREAD_CALL_DELAY_USER_MASK TIMEOUT_URGENCY_USER_MASK
+#define THREAD_CALL_DELAY_USER_NORMAL TIMEOUT_URGENCY_USER_NORMAL
+#define THREAD_CALL_DELAY_USER_CRITICAL TIMEOUT_URGENCY_USER_CRITICAL
+#define THREAD_CALL_DELAY_USER_BACKGROUND TIMEOUT_URGENCY_USER_BACKGROUND
+
+#define THREAD_CALL_DELAY_URGENCY_MASK TIMEOUT_URGENCY_MASK
+
+/*
+ * Indicate that a specific leeway value is being provided (otherwise
+ * the leeway parameter is ignored). The supplied value can currently
+ * only be used to extend the leeway calculated internally from the
+ * urgency class provided.
+ */
+#define THREAD_CALL_DELAY_LEEWAY TIMEOUT_URGENCY_LEEWAY
+
+/*!
+ @function thread_call_enter_delayed_with_leeway
+ @abstract Submit a thread call to be executed at some point in the future.
+ @discussion If the work item is already scheduled for delayed or immediate execution,
+ and it has not yet begun to run, that invocation will be cancelled in favor of execution
+ at the newly specified time. Note that if a thread call is rescheduled from its own callback,
+ then multiple invocations of the callback may be in flight at the same time.
+ @result TRUE if the call was already pending for either delayed or immediate
+ execution, FALSE otherwise.
+ @param call The thread call to execute.
+ @param param1 Second parameter to callback.
+ @param deadline Time, in absolute time units, at which to execute callback.
+ @param leeway Time delta, in absolute time units, which sets range of time allowing kernel
+ to decide appropriate time to run.
+ @param flags configuration for timers in kernel.
+ */
+extern boolean_t thread_call_enter_delayed_with_leeway(
+ thread_call_t call,
+ thread_call_param_t param1,
+ uint64_t deadline,
+ uint64_t leeway,
+ uint32_t flags);
+
+#endif /* XNU_KERNEL_PRIVATE */
/*!
@function thread_call_cancel
struct call_entry tc_call; /* Must be first */
uint64_t tc_submit_count;
uint64_t tc_finish_count;
- thread_call_priority_t tc_pri;
-
+ uint64_t ttd; /* Time to deadline at creation */
+ uint64_t tc_soft_deadline;
+ thread_call_priority_t tc_pri;
uint32_t tc_flags;
int32_t tc_refs;
};
#define THREAD_CALL_ALLOC 0x01
#define THREAD_CALL_WAIT 0x02
+#define THREAD_CALL_DELAYED 0x04
+#define THREAD_CALL_RATELIMITED TIMEOUT_URGENCY_RATELIMITED
typedef struct thread_call thread_call_data_t;
thread_call_func_t func,
thread_call_param_t param0);
+extern void thread_call_delayed_timer_rescan_all(void);
#endif /* MACH_KERNEL_PRIVATE */
-#ifdef KERNEL_PRIVATE
+#ifdef XNU_KERNEL_PRIVATE
__BEGIN_DECLS
/*
- * Obsolete interfaces.
+ * These routines are equivalent to their thread_call_enter_XXX
+ * variants, only the thread_call_t is allocated out of a
+ * fixed preallocated pool of memory, and will panic if the pool
+ * is exhausted.
*/
-#ifndef __LP64__
-
-extern boolean_t thread_call_is_delayed(
- thread_call_t call,
- uint64_t *deadline);
-
-extern void thread_call_func(
- thread_call_func_t func,
- thread_call_param_t param,
- boolean_t unique_call);
-
extern void thread_call_func_delayed(
thread_call_func_t func,
thread_call_param_t param,
uint64_t deadline);
-extern boolean_t thread_call_func_cancel(
- thread_call_func_t func,
- thread_call_param_t param,
- boolean_t cancel_all);
-
-#else /* __LP64__ */
-
-#ifdef XNU_KERNEL_PRIVATE
-
-extern void thread_call_func_delayed(
- thread_call_func_t func,
- thread_call_param_t param,
- uint64_t deadline);
+extern void thread_call_func_delayed_with_leeway(
+ thread_call_func_t func,
+ thread_call_param_t param,
+ uint64_t deadline,
+ uint64_t leeway,
+ uint32_t flags);
extern boolean_t thread_call_func_cancel(
thread_call_func_t func,
thread_call_param_t param,
boolean_t cancel_all);
-
-#endif /* XNU_KERNEL_PRIVATE */
-
-#endif /* __LP64__ */
-
-#ifndef MACH_KERNEL_PRIVATE
-
-#ifndef __LP64__
-
-#ifndef ABSOLUTETIME_SCALAR_TYPE
-
-#define thread_call_enter_delayed(a, b) \
- thread_call_enter_delayed((a), __OSAbsoluteTime(b))
-
-#define thread_call_enter1_delayed(a, b, c) \
- thread_call_enter1_delayed((a), (b), __OSAbsoluteTime(c))
-
-#define thread_call_is_delayed(a, b) \
- thread_call_is_delayed((a), __OSAbsoluteTimePtr(b))
-
-#define thread_call_func_delayed(a, b, c) \
- thread_call_func_delayed((a), (b), __OSAbsoluteTime(c))
-
-#endif /* ABSOLUTETIME_SCALAR_TYPE */
-
-#endif /* __LP64__ */
-
-#endif /* MACH_KERNEL_PRIVATE */
-
__END_DECLS
-#endif /* KERNEL_PRIVATE */
+#endif /* XNU_KERNEL_PRIVATE */
#endif /* _KERN_THREAD_CALL_H_ */
projects / apple / xnu.git / blobdiff