diff options
Diffstat (limited to 'Radio/HW/RtlSdr/libusb/os/threads_posix.h')
-rw-r--r-- | Radio/HW/RtlSdr/libusb/os/threads_posix.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/Radio/HW/RtlSdr/libusb/os/threads_posix.h b/Radio/HW/RtlSdr/libusb/os/threads_posix.h new file mode 100644 index 0000000..9322834 --- /dev/null +++ b/Radio/HW/RtlSdr/libusb/os/threads_posix.h @@ -0,0 +1,98 @@ +/* + * libusb synchronization using POSIX Threads + * + * Copyright © 2010 Peter Stuge <peter@stuge.se> + * + * 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 + */ + +#ifndef LIBUSB_THREADS_POSIX_H +#define LIBUSB_THREADS_POSIX_H + +#include <pthread.h> + +#define PTHREAD_CHECK(expression) ASSERT_EQ(expression, 0) + +#define USBI_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER +typedef pthread_mutex_t usbi_mutex_static_t; +static inline void usbi_mutex_static_lock(usbi_mutex_static_t *mutex) +{ + PTHREAD_CHECK(pthread_mutex_lock(mutex)); +} +static inline void usbi_mutex_static_unlock(usbi_mutex_static_t *mutex) +{ + PTHREAD_CHECK(pthread_mutex_unlock(mutex)); +} + +typedef pthread_mutex_t usbi_mutex_t; +static inline void usbi_mutex_init(usbi_mutex_t *mutex) +{ + PTHREAD_CHECK(pthread_mutex_init(mutex, NULL)); +} +static inline void usbi_mutex_lock(usbi_mutex_t *mutex) +{ + PTHREAD_CHECK(pthread_mutex_lock(mutex)); +} +static inline void usbi_mutex_unlock(usbi_mutex_t *mutex) +{ + PTHREAD_CHECK(pthread_mutex_unlock(mutex)); +} +static inline int usbi_mutex_trylock(usbi_mutex_t *mutex) +{ + return pthread_mutex_trylock(mutex) == 0; +} +static inline void usbi_mutex_destroy(usbi_mutex_t *mutex) +{ + PTHREAD_CHECK(pthread_mutex_destroy(mutex)); +} + +typedef pthread_cond_t usbi_cond_t; +void usbi_cond_init(pthread_cond_t *cond); +static inline void usbi_cond_wait(usbi_cond_t *cond, usbi_mutex_t *mutex) +{ + PTHREAD_CHECK(pthread_cond_wait(cond, mutex)); +} +int usbi_cond_timedwait(usbi_cond_t *cond, + usbi_mutex_t *mutex, const struct timeval *tv); +static inline void usbi_cond_broadcast(usbi_cond_t *cond) +{ + PTHREAD_CHECK(pthread_cond_broadcast(cond)); +} +static inline void usbi_cond_destroy(usbi_cond_t *cond) +{ + PTHREAD_CHECK(pthread_cond_destroy(cond)); +} + +typedef pthread_key_t usbi_tls_key_t; +static inline void usbi_tls_key_create(usbi_tls_key_t *key) +{ + PTHREAD_CHECK(pthread_key_create(key, NULL)); +} +static inline void *usbi_tls_key_get(usbi_tls_key_t key) +{ + return pthread_getspecific(key); +} +static inline void usbi_tls_key_set(usbi_tls_key_t key, void *ptr) +{ + PTHREAD_CHECK(pthread_setspecific(key, ptr)); +} +static inline void usbi_tls_key_delete(usbi_tls_key_t key) +{ + PTHREAD_CHECK(pthread_key_delete(key)); +} + +unsigned int usbi_get_tid(void); + +#endif /* LIBUSB_THREADS_POSIX_H */ |