pthread_mutexattr_t 105 compat/os2threads.h const pthread_mutexattr_t *attr) pthread_mutexattr_t 61 libavutil/thread.h static inline int strict_pthread_mutex_init(pthread_mutex_t *mutex, const pthread_mutexattr_t *attr) pthread_mutexattr_t 66 libavutil/thread.h pthread_mutexattr_t local_attr;