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104 lines
3.4 KiB
104 lines
3.4 KiB
/*
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* Private threading definitions for CUPS.
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*
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* Copyright 2009-2017 by Apple Inc.
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*
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* Licensed under Apache License v2.0. See the file "LICENSE" for more information.
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*/
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#ifndef _CUPS_THREAD_PRIVATE_H_
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# define _CUPS_THREAD_PRIVATE_H_
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/*
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* Include necessary headers...
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*/
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# include "config.h"
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# include <cups/versioning.h>
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/*
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* C++ magic...
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*/
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# ifdef __cplusplus
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extern "C" {
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# endif /* __cplusplus */
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# ifdef HAVE_PTHREAD_H /* POSIX threading */
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# include <pthread.h>
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typedef void *(*_cups_thread_func_t)(void *arg);
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typedef pthread_t _cups_thread_t;
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typedef pthread_cond_t _cups_cond_t;
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typedef pthread_mutex_t _cups_mutex_t;
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typedef pthread_rwlock_t _cups_rwlock_t;
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typedef pthread_key_t _cups_threadkey_t;
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# define _CUPS_COND_INITIALIZER PTHREAD_COND_INITIALIZER
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# define _CUPS_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
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# define _CUPS_RWLOCK_INITIALIZER PTHREAD_RWLOCK_INITIALIZER
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# define _CUPS_THREADKEY_INITIALIZER 0
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# define _cupsThreadGetData(k) pthread_getspecific(k)
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# define _cupsThreadSetData(k,p) pthread_setspecific(k,p)
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# elif defined(_WIN32) /* Windows threading */
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# include <winsock2.h>
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# include <windows.h>
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typedef void *(__stdcall *_cups_thread_func_t)(void *arg);
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typedef int _cups_thread_t;
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typedef char _cups_cond_t; /* TODO: Implement Win32 conditional */
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typedef struct _cups_mutex_s
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{
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int m_init; /* Flag for on-demand initialization */
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CRITICAL_SECTION m_criticalSection;
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/* Win32 Critical Section */
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} _cups_mutex_t;
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typedef _cups_mutex_t _cups_rwlock_t; /* TODO: Implement Win32 reader/writer lock */
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typedef DWORD _cups_threadkey_t;
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# define _CUPS_COND_INITIALIZER 0
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# define _CUPS_MUTEX_INITIALIZER { 0, 0 }
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# define _CUPS_RWLOCK_INITIALIZER { 0, 0 }
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# define _CUPS_THREADKEY_INITIALIZER 0
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# define _cupsThreadGetData(k) TlsGetValue(k)
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# define _cupsThreadSetData(k,p) TlsSetValue(k,p)
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# else /* No threading */
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typedef void *(*_cups_thread_func_t)(void *arg);
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typedef int _cups_thread_t;
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typedef char _cups_cond_t;
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typedef char _cups_mutex_t;
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typedef char _cups_rwlock_t;
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typedef void *_cups_threadkey_t;
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# define _CUPS_COND_INITIALIZER 0
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# define _CUPS_MUTEX_INITIALIZER 0
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# define _CUPS_RWLOCK_INITIALIZER 0
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# define _CUPS_THREADKEY_INITIALIZER (void *)0
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# define _cupsThreadGetData(k) k
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# define _cupsThreadSetData(k,p) k=p
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# endif /* HAVE_PTHREAD_H */
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/*
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* Functions...
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*/
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extern void _cupsCondBroadcast(_cups_cond_t *cond) _CUPS_PRIVATE;
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extern void _cupsCondInit(_cups_cond_t *cond) _CUPS_PRIVATE;
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extern void _cupsCondWait(_cups_cond_t *cond, _cups_mutex_t *mutex, double timeout) _CUPS_PRIVATE;
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extern void _cupsMutexInit(_cups_mutex_t *mutex) _CUPS_PRIVATE;
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extern void _cupsMutexLock(_cups_mutex_t *mutex) _CUPS_PRIVATE;
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extern void _cupsMutexUnlock(_cups_mutex_t *mutex) _CUPS_PRIVATE;
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extern void _cupsRWInit(_cups_rwlock_t *rwlock) _CUPS_PRIVATE;
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extern void _cupsRWLockRead(_cups_rwlock_t *rwlock) _CUPS_PRIVATE;
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extern void _cupsRWLockWrite(_cups_rwlock_t *rwlock) _CUPS_PRIVATE;
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extern void _cupsRWUnlock(_cups_rwlock_t *rwlock) _CUPS_PRIVATE;
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extern void _cupsThreadCancel(_cups_thread_t thread) _CUPS_PRIVATE;
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extern _cups_thread_t _cupsThreadCreate(_cups_thread_func_t func, void *arg) _CUPS_PRIVATE;
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extern void _cupsThreadDetach(_cups_thread_t thread) _CUPS_PRIVATE;
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extern void *_cupsThreadWait(_cups_thread_t thread) _CUPS_PRIVATE;
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# ifdef __cplusplus
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}
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# endif /* __cplusplus */
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#endif /* !_CUPS_THREAD_PRIVATE_H_ */
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