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Cider Isn't Darwin Emulation, Really
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#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;#endiftypedef 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_DECLSint 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 0x00000001int 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 */