Libc-825.25.tar.gz

[apple/libc.git] / pthreads / pthread_workqueue.h

diff --git a/pthreads/pthread_workqueue.h b/pthreads/pthread_workqueue.h
index c3678222f93d8b791f9628ba51a61dbd1c2f823b..20edf50b8f888b73fde5f36994172710b0273eba 100644 (file)
--- a/pthreads/pthread_workqueue.h
+++ b/pthreads/pthread_workqueue.h
@@ -27,47 +27,63 @@
 
 #include <sys/cdefs.h>
 #include <pthread.h>
 
 #include <sys/cdefs.h>
 #include <pthread.h>

-
+#include <Availability.h>

 
 #define __PTHREAD_WORKQ_SIZE__ 128
 #define __PTHREAD_WORKQ_ATTR_SIZE__ 60
 
 
 #define __PTHREAD_WORKQ_SIZE__ 128
 #define __PTHREAD_WORKQ_ATTR_SIZE__ 60
 

-#define PTHEAD_WRKQUEUE_SIG 0xBEBEBEBE
-#define PTHEAD_WRKQUEUE_ATTR_SIG 0xBEBEBEBE
+#define PTHREAD_WORKQUEUE_SIG 0xBEBEBEBE
+#define PTHREAD_WORKQUEUE_ATTR_SIG 0xBEBEBEBE

 
 #ifndef __POSIX_LIB__
 typedef struct { unsigned int  sig; char opaque[__PTHREAD_WORKQ_SIZE__];} *pthread_workqueue_t;
 typedef struct { unsigned int  sig; char opaque[__PTHREAD_WORKQ_ATTR_SIZE__]; } pthread_workqueue_attr_t;
 #endif
 typedef void * pthread_workitem_handle_t;
 
 #ifndef __POSIX_LIB__
 typedef struct { unsigned int  sig; char opaque[__PTHREAD_WORKQ_SIZE__];} *pthread_workqueue_t;
 typedef struct { unsigned int  sig; char opaque[__PTHREAD_WORKQ_ATTR_SIZE__]; } pthread_workqueue_attr_t;
 #endif
 typedef void * pthread_workitem_handle_t;

+/* Kernel expected target concurrency of the workqueue clients for the three priority queues */
+
+#define WORKQ_HIGH_PRIOQUEUE   0       /* high priority queue */
+#define WORKQ_DEFAULT_PRIOQUEUE        1       /* default priority queue */
+#define WORKQ_LOW_PRIOQUEUE    2       /* low priority queue */
+#define WORKQ_BG_PRIOQUEUE     3       /* background priority queue */
+
+#define WORKQ_NUM_PRIOQUEUE    4
+
+extern __int32_t workq_targetconc[WORKQ_NUM_PRIOQUEUE];

 
 __BEGIN_DECLS
 
 __BEGIN_DECLS

-int pthread_workqueue_init_np(void);
-int pthread_workqueue_attr_init_np(pthread_workqueue_attr_t * attr);
-int pthread_workqueue_attr_destroy_np(pthread_workqueue_attr_t * attr);
-int pthread_workqueue_attr_getqueuepriority_np(const pthread_workqueue_attr_t * attr, int * qprio);
-int pthread_workqueue_attr_setqueuepriority_np(pthread_workqueue_attr_t * attr, int qprio);
-
-#ifdef NOTYET
-/* Following attributes not supported yet */
-int pthread_workqueue_attr_getstacksize_np(const pthread_workqueue_attr_t * attr, size_t * stacksizep);
-int pthread_workqueue_attr_setstacksize_np(pthread_workqueue_attr_t * attr, size_t stacksize);
-int pthread_workqueue_attr_getthreadtimeshare_np(const pthread_workqueue_attr_t * attr, int * istimesahrep);
-int pthread_workqueue_attr_settthreadtimeshare_np(pthread_workqueue_attr_t * attr, int istimeshare);
-int pthread_workqueue_attr_getthreadimportance_np(const pthread_workqueue_attr_t * attr, int * importancep);
-int pthread_workqueue_attr_settthreadimportance_np(pthread_workqueue_attr_t * attr, int importance);
-int pthread_workqueue_attr_getthreadaffinity_np(const pthread_workqueue_attr_t * attr, int * affinityp);
-int pthread_workqueue_attr_settthreadaffinity_np(pthread_workqueue_attr_t * attr, int affinity);
-#endif
+int pthread_workqueue_init_np(void) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+int pthread_workqueue_attr_init_np(pthread_workqueue_attr_t * attr) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+int pthread_workqueue_attr_destroy_np(pthread_workqueue_attr_t * attr) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+int pthread_workqueue_attr_getqueuepriority_np(const pthread_workqueue_attr_t * attr, int * qprio) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+/* WORKQ_HIGH/DEFAULT/LOW_PRIOQUEUE are the only valid values */
+int pthread_workqueue_attr_setqueuepriority_np(pthread_workqueue_attr_t * attr, int qprio) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+int pthread_workqueue_attr_getovercommit_np(const pthread_workqueue_attr_t * attr, int * ocommp) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_2);
+int pthread_workqueue_attr_setovercommit_np(pthread_workqueue_attr_t * attr, int ocomm) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_2);
+
+
+int pthread_workqueue_create_np(pthread_workqueue_t * workqp, const pthread_workqueue_attr_t * attr) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+int pthread_workqueue_additem_np(pthread_workqueue_t workq, void ( *workitem_func)(void *), void * workitem_arg, pthread_workitem_handle_t * itemhandlep, unsigned int *gencountp) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+/* If the queue value is WORKQ_NUM_PRIOQUEUE, the request for concurrency is for all queues */
+int pthread_workqueue_requestconcurrency_np(int queue, int concurrency) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_2);
+int pthread_workqueue_getovercommit_np(pthread_workqueue_t workq,  unsigned int *ocommp) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_2);
+/* 
+ * If the arg is non zero, it enables kill on current thread.
+ * If the arg of zero, it disables kill on current thread.
+ */
+int __pthread_workqueue_setkill(int) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_2);
+
+/* ===================================================================================================
+ * NEW SPIs for 10.8 onwards
+ *
+ * ===================================================================================================
+ */

 
 

-int pthread_workqueue_create_np(pthread_workqueue_t * workqp, const pthread_workqueue_attr_t * attr);
-int pthread_workqueue_destroy_np(pthread_workqueue_t workq, void (* callback_func)(pthread_workqueue_t, void *), void * callback_arg);
-int pthread_workqueue_additem_np(pthread_workqueue_t workq, void ( *workitem_func)(void *), void * workitem_arg, pthread_workitem_handle_t * itemhandlep);
-int pthread_workqueue_removeitem_np(pthread_workqueue_t workq, pthread_workitem_handle_t itemhandle);
-int pthread_workqueue_addbarrier_np(pthread_workqueue_t workq, void (* callback_func)(pthread_workqueue_t, void *), void * callback_arg, int waitforcallback, pthread_workitem_handle_t *itemhandlep);
-int pthread_workqueue_suspend_np(pthread_workqueue_t workq);
-int pthread_workqueue_resume_np(pthread_workqueue_t workq);
+typedef void (*pthread_workqueue_function_t)(int queue_priority, int options, void *ctxt);
+int pthread_workqueue_setdispatch_np(pthread_workqueue_function_t worker_func) __OSX_AVAILABLE_STARTING(__MAC_10_8, __IPHONE_6_0);

 
 

+#define WORKQ_ADDTHREADS_OPTION_OVERCOMMIT 0x00000001
+int pthread_workqueue_addthreads_np(int queue_priority, int options, int numthreads) __OSX_AVAILABLE_STARTING(__MAC_10_8, __IPHONE_6_0);

 __END_DECLS
 
 #endif /* _POSIX_PTHREAD_WORKQUEUE_H */
 __END_DECLS
 
 #endif /* _POSIX_PTHREAD_WORKQUEUE_H */