Function bthread_mutex_lock_contended

src/bthread/mutex.cpp:1209–1211

}

int bthread_mutex_lock_contended(bthread_mutex_t* m) {
    return bthread::mutex_lock_contended_impl(m, NULL);
}

static int bthread_mutex_lock_impl(bthread_mutex_t* __restrict m,
                                   const struct timespec* __restrict abstime) {