[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"
#  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_ */
Commit	Line	Data
c7017ecc	1	/*
7e86f2f6	2	* Private threading definitions for CUPS.
c7017ecc	3	*
b908d72c	4	* Copyright 2009-2017 by Apple Inc.
c7017ecc	5	*
e3101897	6	* Licensed under Apache License v2.0. See the file "LICENSE" for more information.
c7017ecc MS	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"
d00c3f26	17	# include <cups/versioning.h>
c7017ecc MS	18
	19
	20	/*
	21	* C++ magic...
	22	*/
	23
	24	# ifdef __cplusplus
	25	extern "C" {
	26	# endif /* __cplusplus */
	27
	28
ad7daa25	29	# ifdef HAVE_PTHREAD_H /* POSIX threading */
c7017ecc MS	30	# include <pthread.h>
c7017ecc MS	31	typedef void (_cups_thread_func_t)(void *arg);
ad7daa25 MS	32	typedef pthread_t _cups_thread_t;
ad7daa25 MS	33	typedef pthread_cond_t _cups_cond_t;
c7017ecc	34	typedef pthread_mutex_t _cups_mutex_t;
1106b00e	35	typedef pthread_rwlock_t _cups_rwlock_t;
c7017ecc	36	typedef pthread_key_t _cups_threadkey_t;
ad7daa25	37	# define _CUPS_COND_INITIALIZER PTHREAD_COND_INITIALIZER
c7017ecc	38	# define _CUPS_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
1106b00e	39	# define _CUPS_RWLOCK_INITIALIZER PTHREAD_RWLOCK_INITIALIZER
7e86f2f6	40	# define _CUPS_THREADKEY_INITIALIZER 0
c7017ecc MS	41	# define _cupsThreadGetData(k) pthread_getspecific(k)
	42	# define _cupsThreadSetData(k,p) pthread_setspecific(k,p)
	43
19dc16f7	44	# elif defined(_WIN32) /* Windows threading */
c7017ecc MS	45	# include <winsock2.h>
	46	# include <windows.h>
	47	typedef void (__stdcall _cups_thread_func_t)(void *arg);
ad7daa25 MS	48	typedef int _cups_thread_t;
ad7daa25 MS	49	typedef char _cups_cond_t; /* TODO: Implement Win32 conditional */
c7017ecc MS	50	typedef struct _cups_mutex_s
c7017ecc MS	51	{
f3c17241	52	int m_init; /* Flag for on-demand initialization */
c7017ecc MS	53	CRITICAL_SECTION m_criticalSection;
	54	/* Win32 Critical Section */
	55	} _cups_mutex_t;
1106b00e	56	typedef _cups_mutex_t _cups_rwlock_t; /* TODO: Implement Win32 reader/writer lock */
c7017ecc	57	typedef DWORD _cups_threadkey_t;
ad7daa25	58	# define _CUPS_COND_INITIALIZER 0
c7017ecc	59	# define _CUPS_MUTEX_INITIALIZER { 0, 0 }
1106b00e	60	# define _CUPS_RWLOCK_INITIALIZER { 0, 0 }
c7017ecc MS	61	# define _CUPS_THREADKEY_INITIALIZER 0
	62	# define _cupsThreadGetData(k) TlsGetValue(k)
	63	# define _cupsThreadSetData(k,p) TlsSetValue(k,p)
	64
ad7daa25	65	# else /* No threading */
f3c17241	66	typedef void (_cups_thread_func_t)(void *arg);
ad7daa25 MS	67	typedef int _cups_thread_t;
ad7daa25 MS	68	typedef char _cups_cond_t;
c7017ecc	69	typedef char _cups_mutex_t;
1106b00e	70	typedef char _cups_rwlock_t;
c7017ecc	71	typedef void *_cups_threadkey_t;
ad7daa25	72	# define _CUPS_COND_INITIALIZER 0
c7017ecc	73	# define _CUPS_MUTEX_INITIALIZER 0
1106b00e	74	# define _CUPS_RWLOCK_INITIALIZER 0
c7017ecc MS	75	# define _CUPS_THREADKEY_INITIALIZER (void *)0
	76	# define _cupsThreadGetData(k) k
	77	# define _cupsThreadSetData(k,p) k=p
	78	# endif /* HAVE_PTHREAD_H */
	79
	80
	81	/*
	82	* Functions...
	83	*/
	84
e3586875 MS	85	extern void _cupsCondBroadcast(_cups_cond_t *cond) _CUPS_PRIVATE;
	86	extern void _cupsCondInit(_cups_cond_t *cond) _CUPS_PRIVATE;
	87	extern void _cupsCondWait(_cups_cond_t cond, _cups_mutex_t mutex, double timeout) _CUPS_PRIVATE;
	88	extern void _cupsMutexInit(_cups_mutex_t *mutex) _CUPS_PRIVATE;
	89	extern void _cupsMutexLock(_cups_mutex_t *mutex) _CUPS_PRIVATE;
	90	extern void _cupsMutexUnlock(_cups_mutex_t *mutex) _CUPS_PRIVATE;
	91	extern void _cupsRWInit(_cups_rwlock_t *rwlock) _CUPS_PRIVATE;
	92	extern void _cupsRWLockRead(_cups_rwlock_t *rwlock) _CUPS_PRIVATE;
	93	extern void _cupsRWLockWrite(_cups_rwlock_t *rwlock) _CUPS_PRIVATE;
	94	extern void _cupsRWUnlock(_cups_rwlock_t *rwlock) _CUPS_PRIVATE;
	95	extern void _cupsThreadCancel(_cups_thread_t thread) _CUPS_PRIVATE;
	96	extern _cups_thread_t _cupsThreadCreate(_cups_thread_func_t func, void *arg) _CUPS_PRIVATE;
	97	extern void _cupsThreadDetach(_cups_thread_t thread) _CUPS_PRIVATE;
	98	extern void *_cupsThreadWait(_cups_thread_t thread) _CUPS_PRIVATE;
c7017ecc MS	99
	100	# ifdef __cplusplus
	101	}
	102	# endif /* __cplusplus */
	103	#endif /* !_CUPS_THREAD_PRIVATE_H_ */