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
|
/*
* thread.c
*
* Copyright (c) 2012-2019 Nikias Bassen, All Rights Reserved.
* Copyright (c) 2012 Martin Szulecki, All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "common.h"
#include "libimobiledevice-glue/thread.h"
LIBIMOBILEDEVICE_GLUE_API int thread_new(THREAD_T *thread, thread_func_t thread_func, void* data)
{
#ifdef WIN32
HANDLE th = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)thread_func, data, 0, NULL);
if (th == NULL) {
return -1;
}
*thread = th;
return 0;
#else
int res = pthread_create(thread, NULL, thread_func, data);
return res;
#endif
}
LIBIMOBILEDEVICE_GLUE_API void thread_detach(THREAD_T thread)
{
#ifdef WIN32
CloseHandle(thread);
#else
pthread_detach(thread);
#endif
}
LIBIMOBILEDEVICE_GLUE_API void thread_free(THREAD_T thread)
{
#ifdef WIN32
CloseHandle(thread);
#endif
}
LIBIMOBILEDEVICE_GLUE_API int thread_join(THREAD_T thread)
{
/* wait for thread to complete */
#ifdef WIN32
return (int)WaitForSingleObject(thread, INFINITE);
#else
return pthread_join(thread, NULL);
#endif
}
LIBIMOBILEDEVICE_GLUE_API int thread_alive(THREAD_T thread)
{
if (!thread)
return 0;
#ifdef WIN32
return WaitForSingleObject(thread, 0) == WAIT_TIMEOUT;
#else
return pthread_kill(thread, 0) == 0;
#endif
}
LIBIMOBILEDEVICE_GLUE_API int thread_cancel(THREAD_T thread)
{
#ifdef WIN32
return -1;
#else
#ifdef HAVE_PTHREAD_CANCEL
return pthread_cancel(thread);
#else
return -1;
#endif
#endif
}
LIBIMOBILEDEVICE_GLUE_API void mutex_init(mutex_t* mutex)
{
#ifdef WIN32
InitializeCriticalSection(mutex);
#else
pthread_mutex_init(mutex, NULL);
#endif
}
LIBIMOBILEDEVICE_GLUE_API void mutex_destroy(mutex_t* mutex)
{
#ifdef WIN32
DeleteCriticalSection(mutex);
#else
pthread_mutex_destroy(mutex);
#endif
}
LIBIMOBILEDEVICE_GLUE_API void mutex_lock(mutex_t* mutex)
{
#ifdef WIN32
EnterCriticalSection(mutex);
#else
pthread_mutex_lock(mutex);
#endif
}
LIBIMOBILEDEVICE_GLUE_API void mutex_unlock(mutex_t* mutex)
{
#ifdef WIN32
LeaveCriticalSection(mutex);
#else
pthread_mutex_unlock(mutex);
#endif
}
LIBIMOBILEDEVICE_GLUE_API void thread_once(thread_once_t *once_control, void (*init_routine)(void))
{
#ifdef WIN32
while (InterlockedExchange(&(once_control->lock), 1) != 0) {
Sleep(1);
}
if (!once_control->state) {
once_control->state = 1;
init_routine();
}
InterlockedExchange(&(once_control->lock), 0);
#else
pthread_once(once_control, init_routine);
#endif
}
LIBIMOBILEDEVICE_GLUE_API void cond_init(cond_t* cond)
{
#ifdef WIN32
cond->sem = CreateSemaphore(NULL, 0, 32767, NULL);
#else
pthread_cond_init(cond, NULL);
#endif
}
LIBIMOBILEDEVICE_GLUE_API void cond_destroy(cond_t* cond)
{
#ifdef WIN32
CloseHandle(cond->sem);
#else
pthread_cond_destroy(cond);
#endif
}
LIBIMOBILEDEVICE_GLUE_API int cond_signal(cond_t* cond)
{
#ifdef WIN32
int result = 0;
if (!ReleaseSemaphore(cond->sem, 1, NULL)) {
result = -1;
}
return result;
#else
return pthread_cond_signal(cond);
#endif
}
LIBIMOBILEDEVICE_GLUE_API int cond_wait(cond_t* cond, mutex_t* mutex)
{
#ifdef WIN32
mutex_unlock(mutex);
DWORD res = WaitForSingleObject(cond->sem, INFINITE);
switch (res) {
case WAIT_OBJECT_0:
return 0;
default:
return -1;
}
#else
return pthread_cond_wait(cond, mutex);
#endif
}
LIBIMOBILEDEVICE_GLUE_API int cond_wait_timeout(cond_t* cond, mutex_t* mutex, unsigned int timeout_ms)
{
#ifdef WIN32
mutex_unlock(mutex);
DWORD res = WaitForSingleObject(cond->sem, timeout_ms);
switch (res) {
case WAIT_OBJECT_0:
case WAIT_TIMEOUT:
return 0;
default:
return -1;
}
#else
struct timespec ts;
struct timeval now;
gettimeofday(&now, NULL);
ts.tv_sec = now.tv_sec + timeout_ms / 1000;
ts.tv_nsec = now.tv_usec * 1000 + 1000 * 1000 * (timeout_ms % 1000);
ts.tv_sec += ts.tv_nsec / (1000 * 1000 * 1000);
ts.tv_nsec %= (1000 * 1000 * 1000);
return pthread_cond_timedwait(cond, mutex, &ts);
#endif
}
|
