Function async_close

libavformat/async.c:317–338

}

static int async_close(URLContext *h)
{
    AsyncContext *c = h->priv_data;
    int      ret;

    pthread_mutex_lock(&c->mutex);
    c->abort_request = 1;
    pthread_cond_signal(&c->cond_wakeup_background);
    pthread_mutex_unlock(&c->mutex);

    ret = pthread_join(c->async_buffer_thread, NULL);
    if (ret != 0)
        av_log(h, AV_LOG_ERROR, "pthread_join(): %s\n", av_err2str(ret));

    pthread_cond_destroy(&c->cond_wakeup_background);
    pthread_cond_destroy(&c->cond_wakeup_main);
    pthread_mutex_destroy(&c->mutex);
    ffurl_closep(&c->inner);
    ring_destroy(&c->ring);

    return 0;
}

static int async_read_internal(URLContext *h, void *dest, int size)
{