FFmpeg coverage

Line	Branch	Exec	Source
1			/*
2			* This file is part of FFmpeg.
3			*
4			* FFmpeg is free software; you can redistribute it and/or
5			* modify it under the terms of the GNU Lesser General Public
6			* License as published by the Free Software Foundation; either
7			* version 2.1 of the License, or (at your option) any later version.
8			*
9			* FFmpeg is distributed in the hope that it will be useful,
10			* but WITHOUT ANY WARRANTY; without even the implied warranty of
11			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12			* Lesser General Public License for more details.
13			*
14			* You should have received a copy of the GNU Lesser General Public
15			* License along with FFmpeg; if not, write to the Free Software
16			* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17			*/
18
19			// This header should only be used to simplify code where
20			// threading is optional, not as a generic threading abstraction.
21
22			#ifndef AVUTIL_THREAD_H
23			#define AVUTIL_THREAD_H
24
25			#include "config.h"
26
27			#if HAVE_PRCTL
28			#include <sys/prctl.h>
29			#elif (HAVE_PTHREAD_SETNAME_NP || HAVE_PTHREAD_SET_NAME_NP) && HAVE_PTHREAD_NP_H
30			#include <pthread_np.h>
31			#endif
32
33			#include "error.h"
34
35			#if HAVE_PTHREADS || HAVE_W32THREADS || HAVE_OS2THREADS
36
37			#if HAVE_PTHREADS
38			#include <pthread.h>
39
40			#if defined(ASSERT_LEVEL) && ASSERT_LEVEL > 1
41
42			#include <stdlib.h>
43
44			#include "log.h"
45			#include "macros.h"
46
47			#define ASSERT_PTHREAD_ABORT(func, ret) do { \
48			char errbuf[AV_ERROR_MAX_STRING_SIZE] = ""; \
49			av_log(NULL, AV_LOG_FATAL, AV_STRINGIFY(func) \
50			" failed with error: %s\n", \
51			av_make_error_string(errbuf, AV_ERROR_MAX_STRING_SIZE, \
52			AVERROR(ret))); \
53			abort(); \
54			} while (0)
55
56			#define ASSERT_PTHREAD_NORET(func, ...) do { \
57			int ret = func(__VA_ARGS__); \
58			if (ret) \
59			ASSERT_PTHREAD_ABORT(func, ret); \
60			} while (0)
61
62			#define ASSERT_PTHREAD(func, ...) do { \
63			ASSERT_PTHREAD_NORET(func, __VA_ARGS__); \
64			return 0; \
65			} while (0)
66
67			static inline int strict_pthread_join(pthread_t thread, void **value_ptr)
68			{
69			ASSERT_PTHREAD(pthread_join, thread, value_ptr);
70			}
71
72			static inline int strict_pthread_mutex_init(pthread_mutex_t *mutex, const pthread_mutexattr_t *attr)
73			{
74			if (attr) {
75			ASSERT_PTHREAD_NORET(pthread_mutex_init, mutex, attr);
76			} else {
77			pthread_mutexattr_t local_attr;
78			ASSERT_PTHREAD_NORET(pthread_mutexattr_init, &local_attr);
79			ASSERT_PTHREAD_NORET(pthread_mutexattr_settype, &local_attr, PTHREAD_MUTEX_ERRORCHECK);
80			ASSERT_PTHREAD_NORET(pthread_mutex_init, mutex, &local_attr);
81			ASSERT_PTHREAD_NORET(pthread_mutexattr_destroy, &local_attr);
82			}
83			return 0;
84			}
85
86			static inline int strict_pthread_mutex_destroy(pthread_mutex_t *mutex)
87			{
88			ASSERT_PTHREAD(pthread_mutex_destroy, mutex);
89			}
90
91			static inline int strict_pthread_mutex_lock(pthread_mutex_t *mutex)
92			{
93			ASSERT_PTHREAD(pthread_mutex_lock, mutex);
94			}
95
96			static inline int strict_pthread_mutex_unlock(pthread_mutex_t *mutex)
97			{
98			ASSERT_PTHREAD(pthread_mutex_unlock, mutex);
99			}
100
101			static inline int strict_pthread_cond_init(pthread_cond_t *cond, const pthread_condattr_t *attr)
102			{
103			ASSERT_PTHREAD(pthread_cond_init, cond, attr);
104			}
105
106			static inline int strict_pthread_cond_destroy(pthread_cond_t *cond)
107			{
108			ASSERT_PTHREAD(pthread_cond_destroy, cond);
109			}
110
111			static inline int strict_pthread_cond_signal(pthread_cond_t *cond)
112			{
113			ASSERT_PTHREAD(pthread_cond_signal, cond);
114			}
115
116			static inline int strict_pthread_cond_broadcast(pthread_cond_t *cond)
117			{
118			ASSERT_PTHREAD(pthread_cond_broadcast, cond);
119			}
120
121			static inline int strict_pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex)
122			{
123			ASSERT_PTHREAD(pthread_cond_wait, cond, mutex);
124			}
125
126			static inline int strict_pthread_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex,
127			const struct timespec *abstime)
128			{
129			int ret = pthread_cond_timedwait(cond, mutex, abstime);
130			if (ret && ret != ETIMEDOUT)
131			ASSERT_PTHREAD_ABORT(pthread_cond_timedwait, ret);
132			return ret;
133			}
134
135			static inline int strict_pthread_once(pthread_once_t *once_control, void (*init_routine)(void))
136			{
137			ASSERT_PTHREAD(pthread_once, once_control, init_routine);
138			}
139
140			#define pthread_join strict_pthread_join
141			#define pthread_mutex_init strict_pthread_mutex_init
142			#define pthread_mutex_destroy strict_pthread_mutex_destroy
143			#define pthread_mutex_lock strict_pthread_mutex_lock
144			#define pthread_mutex_unlock strict_pthread_mutex_unlock
145			#define pthread_cond_init strict_pthread_cond_init
146			#define pthread_cond_destroy strict_pthread_cond_destroy
147			#define pthread_cond_signal strict_pthread_cond_signal
148			#define pthread_cond_broadcast strict_pthread_cond_broadcast
149			#define pthread_cond_wait strict_pthread_cond_wait
150			#define pthread_cond_timedwait strict_pthread_cond_timedwait
151			#define pthread_once strict_pthread_once
152			#endif
153
154			#elif HAVE_OS2THREADS
155			#include "compat/os2threads.h"
156			#else
157			#include "compat/w32pthreads.h"
158			#endif
159
160			#define AVMutex pthread_mutex_t
161			#define AV_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
162
163			#define ff_mutex_init pthread_mutex_init
164			#define ff_mutex_lock pthread_mutex_lock
165			#define ff_mutex_unlock pthread_mutex_unlock
166			#define ff_mutex_destroy pthread_mutex_destroy
167
168			#define AVCond pthread_cond_t
169
170			#define ff_cond_init pthread_cond_init
171			#define ff_cond_destroy pthread_cond_destroy
172			#define ff_cond_signal pthread_cond_signal
173			#define ff_cond_broadcast pthread_cond_broadcast
174			#define ff_cond_wait pthread_cond_wait
175			#define ff_cond_timedwait pthread_cond_timedwait
176
177			#define AVOnce pthread_once_t
178			#define AV_ONCE_INIT PTHREAD_ONCE_INIT
179
180			#define ff_thread_once(control, routine) pthread_once(control, routine)
181
182			#else
183
184			#define AVMutex char
185			#define AV_MUTEX_INITIALIZER 0
186
187			static inline int ff_mutex_init(AVMutex *mutex, const void *attr){ return 0; }
188			static inline int ff_mutex_lock(AVMutex *mutex){ return 0; }
189			static inline int ff_mutex_unlock(AVMutex *mutex){ return 0; }
190			static inline int ff_mutex_destroy(AVMutex *mutex){ return 0; }
191
192			#define AVCond char
193
194			static inline int ff_cond_init(AVCond *cond, const void *attr){ return 0; }
195			static inline int ff_cond_destroy(AVCond *cond){ return 0; }
196			static inline int ff_cond_signal(AVCond *cond){ return 0; }
197			static inline int ff_cond_broadcast(AVCond *cond){ return 0; }
198			static inline int ff_cond_wait(AVCond *cond, AVMutex *mutex){ return 0; }
199			static inline int ff_cond_timedwait(AVCond *cond, AVMutex *mutex,
200			const void *abstime){ return 0; }
201
202			#define AVOnce char
203			#define AV_ONCE_INIT 0
204
205			static inline int ff_thread_once(char *control, void (*routine)(void))
206			{
207			if (!*control) {
208			routine();
209			*control = 1;
210			}
211			return 0;
212			}
213
214			#endif
215
216		32863	static inline int ff_thread_setname(const char *name)
217			{
218		32863	int ret = 0;
219
220			#if HAVE_PRCTL
221		32863	ret = AVERROR(prctl(PR_SET_NAME, name));
222			#elif HAVE_PTHREAD_SETNAME_NP
223			#if defined(__APPLE__)
224			ret = AVERROR(pthread_setname_np(name));
225			#elif defined(__NetBSD__)
226			ret = AVERROR(pthread_setname_np(pthread_self(), "%s", name));
227			#else
228			ret = AVERROR(pthread_setname_np(pthread_self(), name));
229			#endif
230			#elif HAVE_PTHREAD_SET_NAME_NP
231			pthread_set_name_np(pthread_self(), name);
232			#else
233			ret = AVERROR(ENOSYS);
234			#endif
235
236		32863	return ret;
237			}
238
239			#endif /* AVUTIL_THREAD_H */
240