2 * Private threading definitions for CUPS.
4 * Copyright 2009-2017 by Apple Inc.
6 * Licensed under Apache License v2.0. See the file "LICENSE" for more information.
9 #ifndef _CUPS_THREAD_PRIVATE_H_
10 # define _CUPS_THREAD_PRIVATE_H_
13 * Include necessary headers...
17 # include <cups/versioning.h>
26 # endif /* __cplusplus */
29 # ifdef HAVE_PTHREAD_H /* POSIX threading */
31 typedef void *(*_cups_thread_func_t
)(void *arg
);
32 typedef pthread_t _cups_thread_t
;
33 typedef pthread_cond_t _cups_cond_t
;
34 typedef pthread_mutex_t _cups_mutex_t
;
35 typedef pthread_rwlock_t _cups_rwlock_t
;
36 typedef pthread_key_t _cups_threadkey_t
;
37 # define _CUPS_COND_INITIALIZER PTHREAD_COND_INITIALIZER
38 # define _CUPS_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
39 # define _CUPS_RWLOCK_INITIALIZER PTHREAD_RWLOCK_INITIALIZER
40 # define _CUPS_THREADKEY_INITIALIZER 0
41 # define _cupsThreadGetData(k) pthread_getspecific(k)
42 # define _cupsThreadSetData(k,p) pthread_setspecific(k,p)
44 # elif defined(_WIN32) /* Windows threading */
45 # include <winsock2.h>
47 typedef void *(__stdcall
*_cups_thread_func_t
)(void *arg
);
48 typedef int _cups_thread_t
;
49 typedef char _cups_cond_t
; /* TODO: Implement Win32 conditional */
50 typedef struct _cups_mutex_s
52 int m_init
; /* Flag for on-demand initialization */
53 CRITICAL_SECTION m_criticalSection
;
54 /* Win32 Critical Section */
56 typedef _cups_mutex_t _cups_rwlock_t
; /* TODO: Implement Win32 reader/writer lock */
57 typedef DWORD _cups_threadkey_t
;
58 # define _CUPS_COND_INITIALIZER 0
59 # define _CUPS_MUTEX_INITIALIZER { 0, 0 }
60 # define _CUPS_RWLOCK_INITIALIZER { 0, 0 }
61 # define _CUPS_THREADKEY_INITIALIZER 0
62 # define _cupsThreadGetData(k) TlsGetValue(k)
63 # define _cupsThreadSetData(k,p) TlsSetValue(k,p)
65 # else /* No threading */
66 typedef void *(*_cups_thread_func_t
)(void *arg
);
67 typedef int _cups_thread_t
;
68 typedef char _cups_cond_t
;
69 typedef char _cups_mutex_t
;
70 typedef char _cups_rwlock_t
;
71 typedef void *_cups_threadkey_t
;
72 # define _CUPS_COND_INITIALIZER 0
73 # define _CUPS_MUTEX_INITIALIZER 0
74 # define _CUPS_RWLOCK_INITIALIZER 0
75 # define _CUPS_THREADKEY_INITIALIZER (void *)0
76 # define _cupsThreadGetData(k) k
77 # define _cupsThreadSetData(k,p) k=p
78 # endif /* HAVE_PTHREAD_H */
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
;
102 # endif /* __cplusplus */
103 #endif /* !_CUPS_THREAD_PRIVATE_H_ */