2 * libusb synchronization using POSIX Threads
4 * Copyright © 2010 Peter Stuge <peter@stuge.se>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 #ifndef LIBUSB_THREADS_POSIX_H
22 #define LIBUSB_THREADS_POSIX_H
26 #define USBI_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
27 typedef pthread_mutex_t usbi_mutex_static_t;
28 static inline void usbi_mutex_static_lock(usbi_mutex_static_t *mutex)
30 (void)pthread_mutex_lock(mutex);
32 static inline void usbi_mutex_static_unlock(usbi_mutex_static_t *mutex)
34 (void)pthread_mutex_unlock(mutex);
37 typedef pthread_mutex_t usbi_mutex_t;
38 static inline int usbi_mutex_init(usbi_mutex_t *mutex)
40 return pthread_mutex_init(mutex, NULL);
42 static inline void usbi_mutex_lock(usbi_mutex_t *mutex)
44 (void)pthread_mutex_lock(mutex);
46 static inline void usbi_mutex_unlock(usbi_mutex_t *mutex)
48 (void)pthread_mutex_unlock(mutex);
50 static inline int usbi_mutex_trylock(usbi_mutex_t *mutex)
52 return pthread_mutex_trylock(mutex);
54 static inline void usbi_mutex_destroy(usbi_mutex_t *mutex)
56 (void)pthread_mutex_destroy(mutex);
59 typedef pthread_cond_t usbi_cond_t;
60 static inline void usbi_cond_init(pthread_cond_t *cond)
62 (void)pthread_cond_init(cond, NULL);
64 static inline void usbi_cond_wait(usbi_cond_t *cond, usbi_mutex_t *mutex)
66 (void)pthread_cond_wait(cond, mutex);
68 int usbi_cond_timedwait(usbi_cond_t *cond,
69 usbi_mutex_t *mutex, const struct timeval *tv);
70 static inline void usbi_cond_broadcast(usbi_cond_t *cond)
72 (void)pthread_cond_broadcast(cond);
74 static inline void usbi_cond_destroy(usbi_cond_t *cond)
76 (void)pthread_cond_destroy(cond);
79 typedef pthread_key_t usbi_tls_key_t;
80 static inline void usbi_tls_key_create(usbi_tls_key_t *key)
82 (void)pthread_key_create(key, NULL);
84 static inline void *usbi_tls_key_get(usbi_tls_key_t key)
86 return pthread_getspecific(key);
88 static inline void usbi_tls_key_set(usbi_tls_key_t key, void *ptr)
90 (void)pthread_setspecific(key, ptr);
92 static inline void usbi_tls_key_delete(usbi_tls_key_t key)
94 (void)pthread_key_delete(key);
97 int usbi_get_tid(void);
99 #endif /* LIBUSB_THREADS_POSIX_H */