1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
|
/*****************************************************************************/
// Copyright 2002-2008 Adobe Systems Incorporated
// All Rights Reserved.
//
// NOTICE: Adobe permits you to use, modify, and distribute this file in
// accordance with the terms of the Adobe license agreement accompanying it.
/*****************************************************************************/
/* $Id: //mondo/dng_sdk_1_4/dng_sdk/source/dng_pthread.h#1 $ */
/* $DateTime: 2012/05/30 13:28:51 $ */
/* $Change: 832332 $ */
/* $Author: tknoll $ */
/*****************************************************************************/
#ifndef __dng_pthread__
#define __dng_pthread__
/*****************************************************************************/
#include "dng_flags.h"
/*****************************************************************************/
#if qDNGThreadSafe
/*****************************************************************************/
#if !qWinOS
/*****************************************************************************/
/* Try generic POSIX compile */
#include <errno.h>
#include <pthread.h>
#define dng_pthread_disassociate()
#define dng_pthread_terminate()
/*****************************************************************************/
#else
/*****************************************************************************/
#include <stdlib.h>
#include <time.h>
#if _MSC_VER >= 1600
// Get this included so ETIMEDOUT is predefined.
#include <errno.h>
#endif
#ifdef __cplusplus
extern "C"
{
#endif
/*****************************************************************************/
#define DNG_ETIMEDOUT 60 /* Operation timed out */
struct dng_timespec {
long tv_sec;
long tv_nsec;
};
#if !defined(_MSC_VER) || _MSC_VER < 1900
#define timespec dng_timespec
#endif
typedef unsigned long dng_pthread_t;
typedef struct dng_pthread_mutex_impl *dng_pthread_mutex_t;
typedef struct dng_pthread_cond_impl *dng_pthread_cond_t;
typedef unsigned long dng_pthread_key_t;
#define DNG_PTHREAD_MUTEX_INITIALIZER ((struct dng_pthread_mutex_impl *)-1)
#define DNG_PTHREAD_COND_INITIALIZER ((struct dng_pthread_cond_impl *)-1)
struct _dng_pthread_once_t {
int inited;
long semaphore;
};
typedef struct _dng_pthread_once_t dng_pthread_once_t;
#define DNG_PTHREAD_ONCE_INIT { 0, -1 }
#define dng_pthread_equal(t1, t2) ((t1) == (t2))
typedef struct dng_pthread_attr_impl *dng_pthread_attr_t;
int dng_pthread_attr_init(dng_pthread_attr_t *attr);
int dng_pthread_attr_destroy(dng_pthread_attr_t *attr);
int dng_pthread_attr_setstacksize(dng_pthread_attr_t *attr, size_t stacksize);
int dng_pthread_attr_getstacksize(const dng_pthread_attr_t *attr, size_t *stacksize);
int dng_pthread_create(dng_pthread_t *thread, const dng_pthread_attr_t * /* attrs */, void * (*func)(void *), void *arg);
int dng_pthread_detach(dng_pthread_t thread);
int dng_pthread_join(dng_pthread_t thread, void **result);
dng_pthread_t dng_pthread_self();
void dng_pthread_exit(void *result);
#define DNG_PTHREAD_MUTEX_RECURSIVE 0
typedef unsigned long dng_pthread_mutexattr_t;
int dng_pthread_mutexattr_init(dng_pthread_mutexattr_t *mutexattr);
int dng_pthread_mutexattr_settype(dng_pthread_mutexattr_t *mutexattr, int /*the options*/);
int dng_pthread_mutex_init(dng_pthread_mutex_t *mutex, void * /* attrs */);
int dng_pthread_mutex_destroy(dng_pthread_mutex_t *mutex);
int dng_pthread_mutex_lock(dng_pthread_mutex_t *mutex);
int dng_pthread_mutex_unlock(dng_pthread_mutex_t *mutex);
int dng_pthread_cond_init(dng_pthread_cond_t *cond, void * /* attrs */);
int dng_pthread_cond_destroy(dng_pthread_cond_t *cond);
int dng_pthread_cond_wait(dng_pthread_cond_t *cond, dng_pthread_mutex_t *mutex);
int dng_pthread_cond_timedwait(dng_pthread_cond_t *cond, dng_pthread_mutex_t *mutex, timespec *latest_time);
int dng_pthread_cond_signal(dng_pthread_cond_t *cond);
int dng_pthread_cond_broadcast(dng_pthread_cond_t *cond);
int dng_pthread_once(dng_pthread_once_t *once, void (*init_func)());
int dng_pthread_key_create(dng_pthread_key_t * key, void (*destructor) (void *));
int dng_pthread_key_delete(dng_pthread_key_t key);
int dng_pthread_setspecific(dng_pthread_key_t key, const void *value);
void *dng_pthread_getspecific(dng_pthread_key_t key);
typedef struct dng_pthread_rwlock_impl *dng_pthread_rwlock_t;
typedef void *pthread_rwlockattr_t;
int dng_pthread_rwlock_destroy(dng_pthread_rwlock_t * rwlock);
int dng_pthread_rwlock_init(dng_pthread_rwlock_t * rwlock, const pthread_rwlockattr_t * attrs);
int dng_pthread_rwlock_rdlock(dng_pthread_rwlock_t * rwlock);
int dng_pthread_rwlock_tryrdlock(dng_pthread_rwlock_t * rwlock);
int dng_pthread_rwlock_trywrlock(dng_pthread_rwlock_t * rwlock);
int dng_pthread_rwlock_unlock(dng_pthread_rwlock_t * rwlock);
int dng_pthread_rwlock_wrlock(dng_pthread_rwlock_t * rwlock);
typedef struct dng_pthread_rwlock_impl *dng_pthread_rwlock_t;
typedef void *pthread_rwlockattr_t;
int dng_pthread_rwlock_destroy(dng_pthread_rwlock_t * rwlock);
int dng_pthread_rwlock_init(dng_pthread_rwlock_t * rwlock, const pthread_rwlockattr_t * attrs);
int dng_pthread_rwlock_rdlock(dng_pthread_rwlock_t * rwlock);
int dng_pthread_rwlock_tryrdlock(dng_pthread_rwlock_t * rwlock);
int dng_pthread_rwlock_trywrlock(dng_pthread_rwlock_t * rwlock);
int dng_pthread_rwlock_unlock(dng_pthread_rwlock_t * rwlock);
int dng_pthread_rwlock_wrlock(dng_pthread_rwlock_t * rwlock);
// dng_pthread may maintain per-thread global state. This routine frees that global state.
// there is no need to call this for threads created by dng_pthread and one can call
// dng_pthread routines of a thread after dng_pthread_disassociate as the global state will
// be recreated as necessary. However dng_pthread_disassociate will need to be called again
// and there is a slight performance cost. Do not call this routine while holding a mutex, etc.
void dng_pthread_disassociate();
void dng_pthread_terminate();
/*****************************************************************************/
// Map symbols back to plain pthread names. This whole mechanism is so the DNG pthreads library
// symbols do not collide with another pthread emulation library
// that may be in use in the same linked entity. However if that is the case, it would be far better
// to have the DNG code use the same pthread library as the rest of the code.
#define pthread_t dng_pthread_t
#define pthread_mutex_t dng_pthread_mutex_t
#define pthread_cond_t dng_pthread_cond_t
#define pthread_once_t dng_pthread_once_t
#define pthread_key_t dng_pthread_key_t
#undef PTHREAD_MUTEX_INITIALIZER
#define PTHREAD_MUTEX_INITIALIZER DNG_PTHREAD_MUTEX_INITIALIZER
#undef PTHREAD_COND_INITIALIZER
#define PTHREAD_COND_INITIALIZER DNG_PTHREAD_COND_INITIALIZER
#undef PTHREAD_ONCE_INIT
#define PTHREAD_ONCE_INIT DNG_PTHREAD_ONCE_INIT
/* If it is defined on Windows, it probably has the wrong value... */
#if defined(WIN32) || !defined(ETIMEDOUT)
#undef ETIMEDOUT
#define ETIMEDOUT DNG_ETIMEDOUT
#endif
#define pthread_equal dng_pthread_equal
#define pthread_attr_t dng_pthread_attr_t
#define pthread_attr_init dng_pthread_attr_init
#define pthread_attr_destroy dng_pthread_attr_destroy
#define pthread_attr_setstacksize dng_pthread_attr_setstacksize
#define pthread_attr_getstacksize dng_pthread_attr_getstacksize
#define pthread_create dng_pthread_create
#define pthread_detach dng_pthread_detach
#define pthread_join dng_pthread_join
#define pthread_self dng_pthread_self
#define pthread_exit dng_pthread_exit
#define pthread_mutex_init dng_pthread_mutex_init
#define pthread_mutex_destroy dng_pthread_mutex_destroy
#define pthread_mutex_lock dng_pthread_mutex_lock
#define pthread_mutex_unlock dng_pthread_mutex_unlock
#define pthread_cond_init dng_pthread_cond_init
#define pthread_cond_destroy dng_pthread_cond_destroy
#define pthread_cond_wait dng_pthread_cond_wait
#define pthread_cond_timedwait dng_pthread_cond_timedwait
#define pthread_cond_signal dng_pthread_cond_signal
#define pthread_cond_broadcast dng_pthread_cond_broadcast
#define pthread_once dng_pthread_once
#define pthread_key_create dng_pthread_key_create
#define pthread_key_delete dng_pthread_key_delete
#define pthread_setspecific dng_pthread_setspecific
#define pthread_getspecific dng_pthread_getspecific
#define pthread_rwlock_t dng_pthread_rwlock_t
#define pthread_rwlock_destroy dng_pthread_rwlock_destroy
#define pthread_rwlock_init dng_pthread_rwlock_init
#define pthread_rwlock_rdlock dng_pthread_rwlock_rdlock
#define pthread_rwlock_tryrdlock dng_pthread_rwlock_tryrdlock
#define pthread_rwlock_trywrlock dng_pthread_rwlock_trywrlock
#define pthread_rwlock_unlock dng_pthread_rwlock_unlock
#define pthread_rwlock_wrlock dng_pthread_rwlock_wrlock
/*****************************************************************************/
#ifdef __cplusplus
}
#endif
/*****************************************************************************/
#endif
/*****************************************************************************/
#ifdef __cplusplus
extern "C"
{
#endif
int dng_pthread_now (struct timespec *now);
#ifdef __cplusplus
}
#endif
/*****************************************************************************/
#endif // qDNGThreadSafe
/*****************************************************************************/
#endif
/*****************************************************************************/
|
