libpthread-137.1.1.tar.gz

[apple/libpthread.git] / private / workqueue_private.h

diff --git a/private/workqueue_private.h b/private/workqueue_private.h
index aaaf40241b5d8f1d297d750b5703d644f4a50107..74b3a1bab4ffdccbfbeeb38a69ba3c6f5042d219 100644 (file)
--- a/private/workqueue_private.h
+++ b/private/workqueue_private.h
@@ -25,6 +25,7 @@
 #define __PTHREAD_WORKQUEUE_H__
 
 #include <sys/cdefs.h>
+#include <sys/event.h>
 #include <Availability.h>
 #include <pthread/pthread.h>
 #include <pthread/qos.h>
@@ -32,7 +33,7 @@
 #include <pthread/qos_private.h>
 #endif
 
-#define PTHREAD_WORKQUEUE_SPI_VERSION 20140730
+#define PTHREAD_WORKQUEUE_SPI_VERSION 20150304
 
 /* Feature checking flags, returned by _pthread_workqueue_supported()
  *
@@ -42,6 +43,7 @@
 #define WORKQ_FEATURE_DISPATCHFUNC     0x01    // pthread_workqueue_setdispatch_np is supported (or not)
 #define WORKQ_FEATURE_FINEPRIO         0x02    // fine grained pthread workq priorities
 #define WORKQ_FEATURE_MAINTENANCE      0x10    // QOS class maintenance
+#define WORKQ_FEATURE_KEVENT        0x20    // Support for direct kevent delivery
 
 /* Legacy dispatch priority bands */
 
@@ -62,6 +64,9 @@ __BEGIN_DECLS
 typedef void (*pthread_workqueue_function_t)(int queue_priority, int options, void *ctxt);
 // New callback prototype, used with pthread_workqueue_init
 typedef void (*pthread_workqueue_function2_t)(pthread_priority_t priority);
+// Newer callback prototype, used in conjection with function2 when there are kevents to deliver
+// both parameters are in/out parameters
+typedef void (*pthread_workqueue_function_kevent_t)(void **events, int *nevents);
 
 // Initialises the pthread workqueue subsystem, passing the new-style callback prototype,
 // the dispatchoffset and an unused flags field.
@@ -69,6 +74,10 @@ __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0)
 int
 _pthread_workqueue_init(pthread_workqueue_function2_t func, int offset, int flags);
 
+__OSX_AVAILABLE_STARTING(__MAC_10_11, __IPHONE_9_0)
+int
+_pthread_workqueue_init_with_kevent(pthread_workqueue_function2_t queue_func, pthread_workqueue_function_kevent_t kevent_func, int offset, int flags);
+
 // Non-zero enables kill on current thread, zero disables it.
 __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_2)
 int
@@ -99,6 +108,10 @@ __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0)
 int
 _pthread_workqueue_addthreads(int numthreads, pthread_priority_t priority);
 
+__OSX_AVAILABLE_STARTING(__MAC_10_11, __IPHONE_9_0)
+int
+_pthread_workqueue_set_event_manager_priority(pthread_priority_t priority);
+
 // Apply a QoS override without allocating userspace memory
 __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0)
 int
@@ -119,6 +132,21 @@ __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0)
 int
 _pthread_workqueue_override_reset(void);
 
+// Apply a QoS override on a given thread (can be non-workqueue as well) with a resource/queue token
+__OSX_AVAILABLE_STARTING(__MAC_10_10_2, __IPHONE_NA)
+int
+_pthread_workqueue_asynchronous_override_add(mach_port_t thread, pthread_priority_t priority, void *resource);
+
+// Reset overrides for the given resource for the current thread
+__OSX_AVAILABLE_STARTING(__MAC_10_10_2, __IPHONE_NA)
+int
+_pthread_workqueue_asynchronous_override_reset_self(void *resource);
+
+// Reset overrides for all resources for the current thread
+__OSX_AVAILABLE_STARTING(__MAC_10_10_2, __IPHONE_NA)
+int
+_pthread_workqueue_asynchronous_override_reset_all_self(void);
+
 __END_DECLS
 
 #endif // __PTHREAD_WORKQUEUE_H__