Libc-997.1.1.tar.gz

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

diff --git a/pthreads/pthread_workqueue.h b/pthreads/pthread_workqueue.h
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-/*
- * Copyright (c) 2007 Apple, Inc. All rights reserved.
- *
- * @APPLE_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. 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_HEADER_END@
- */
-/* pthread workqueue defns */
-
-#ifndef _POSIX_PTHREAD_WORKQUEUE_H
-#define _POSIX_PTHREAD_WORKQUEUE_H
-
-#include <sys/cdefs.h>
-#include <pthread.h>
-#include <Availability.h>
-
-#define __PTHREAD_WORKQ_SIZE__ 128
-#define __PTHREAD_WORKQ_ATTR_SIZE__ 60
-
-#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;
-/* 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
-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
- *
- * ===================================================================================================
- */
-
-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 */
-