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