[thirdparty/cups.git] / cups / thread-private.h

/*
 * 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"


/*
 * 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);
extern void	_cupsCondInit(_cups_cond_t *cond);
extern void	_cupsCondWait(_cups_cond_t *cond, _cups_mutex_t *mutex, double timeout);
extern void	_cupsMutexInit(_cups_mutex_t *mutex);
extern void	_cupsMutexLock(_cups_mutex_t *mutex);
extern void	_cupsMutexUnlock(_cups_mutex_t *mutex);
extern void	_cupsRWInit(_cups_rwlock_t *rwlock);
extern void	_cupsRWLockRead(_cups_rwlock_t *rwlock);
extern void	_cupsRWLockWrite(_cups_rwlock_t *rwlock);
extern void	_cupsRWUnlock(_cups_rwlock_t *rwlock);
extern void	_cupsThreadCancel(_cups_thread_t thread);
extern _cups_thread_t _cupsThreadCreate(_cups_thread_func_t func, void *arg);
extern void     _cupsThreadDetach(_cups_thread_t thread);
extern void	*_cupsThreadWait(_cups_thread_t thread);

#  ifdef __cplusplus
}
#  endif /* __cplusplus */
#endif /* !_CUPS_THREAD_PRIVATE_H_ */
Commit	Line	Data
	1	/*
	2	* Private threading definitions for CUPS.
	3	*
	4	* Copyright 2009-2017 by Apple Inc.
	5	*
	6	* Licensed under Apache License v2.0. See the file "LICENSE" for more information.
	7	*/
	8
	9	#ifndef _CUPS_THREAD_PRIVATE_H_
	10	# define _CUPS_THREAD_PRIVATE_H_
	11
	12	/*
	13	* Include necessary headers...
	14	*/
	15
	16	# include "config.h"
	17
	18
	19	/*
	20	* C++ magic...
	21	*/
	22
	23	# ifdef __cplusplus
	24	extern "C" {
	25	# endif /* __cplusplus */
	26
	27
	28	# ifdef HAVE_PTHREAD_H /* POSIX threading */
	29	# include <pthread.h>
	30	typedef void (_cups_thread_func_t)(void *arg);
	31	typedef pthread_t _cups_thread_t;
	32	typedef pthread_cond_t _cups_cond_t;
	33	typedef pthread_mutex_t _cups_mutex_t;
	34	typedef pthread_rwlock_t _cups_rwlock_t;
	35	typedef pthread_key_t _cups_threadkey_t;
	36	# define _CUPS_COND_INITIALIZER PTHREAD_COND_INITIALIZER
	37	# define _CUPS_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
	38	# define _CUPS_RWLOCK_INITIALIZER PTHREAD_RWLOCK_INITIALIZER
	39	# define _CUPS_THREADKEY_INITIALIZER 0
	40	# define _cupsThreadGetData(k) pthread_getspecific(k)
	41	# define _cupsThreadSetData(k,p) pthread_setspecific(k,p)
	42
	43	# elif defined(WIN32) /* Windows threading */
	44	# include <winsock2.h>
	45	# include <windows.h>
	46	typedef void (__stdcall _cups_thread_func_t)(void *arg);
	47	typedef int _cups_thread_t;
	48	typedef char _cups_cond_t; /* TODO: Implement Win32 conditional */
	49	typedef struct _cups_mutex_s
	50	{
	51	int m_init; /* Flag for on-demand initialization */
	52	CRITICAL_SECTION m_criticalSection;
	53	/* Win32 Critical Section */
	54	} _cups_mutex_t;
	55	typedef _cups_mutex_t _cups_rwlock_t; /* TODO: Implement Win32 reader/writer lock */
	56	typedef DWORD _cups_threadkey_t;
	57	# define _CUPS_COND_INITIALIZER 0
	58	# define _CUPS_MUTEX_INITIALIZER { 0, 0 }
	59	# define _CUPS_RWLOCK_INITIALIZER { 0, 0 }
	60	# define _CUPS_THREADKEY_INITIALIZER 0
	61	# define _cupsThreadGetData(k) TlsGetValue(k)
	62	# define _cupsThreadSetData(k,p) TlsSetValue(k,p)
	63
	64	# else /* No threading */
	65	typedef void (_cups_thread_func_t)(void *arg);
	66	typedef int _cups_thread_t;
	67	typedef char _cups_cond_t;
	68	typedef char _cups_mutex_t;
	69	typedef char _cups_rwlock_t;
	70	typedef void *_cups_threadkey_t;
	71	# define _CUPS_COND_INITIALIZER 0
	72	# define _CUPS_MUTEX_INITIALIZER 0
	73	# define _CUPS_RWLOCK_INITIALIZER 0
	74	# define _CUPS_THREADKEY_INITIALIZER (void *)0
	75	# define _cupsThreadGetData(k) k
	76	# define _cupsThreadSetData(k,p) k=p
	77	# endif /* HAVE_PTHREAD_H */
	78
	79
	80	/*
	81	* Functions...
	82	*/
	83
	84	extern void _cupsCondBroadcast(_cups_cond_t *cond);
	85	extern void _cupsCondInit(_cups_cond_t *cond);
	86	extern void _cupsCondWait(_cups_cond_t cond, _cups_mutex_t mutex, double timeout);
	87	extern void _cupsMutexInit(_cups_mutex_t *mutex);
	88	extern void _cupsMutexLock(_cups_mutex_t *mutex);
	89	extern void _cupsMutexUnlock(_cups_mutex_t *mutex);
	90	extern void _cupsRWInit(_cups_rwlock_t *rwlock);
	91	extern void _cupsRWLockRead(_cups_rwlock_t *rwlock);
	92	extern void _cupsRWLockWrite(_cups_rwlock_t *rwlock);
	93	extern void _cupsRWUnlock(_cups_rwlock_t *rwlock);
	94	extern void _cupsThreadCancel(_cups_thread_t thread);
	95	extern _cups_thread_t _cupsThreadCreate(_cups_thread_func_t func, void *arg);
	96	extern void _cupsThreadDetach(_cups_thread_t thread);
	97	extern void *_cupsThreadWait(_cups_thread_t thread);
	98
	99	# ifdef __cplusplus
	100	}
	101	# endif /* __cplusplus */
	102	#endif /* !_CUPS_THREAD_PRIVATE_H_ */