void WorkerBridge_Shutdown()

in src/mod_rivet_ng/rivet_worker_mpm.c [186:234]

• 30 lines of code
• 4 McCabe index (conditional complexity)

void WorkerBridge_Shutdown (void)
{
    int                 waits;
    void*               v;
    handler_private*    thread_obj;
    apr_status_t        rv;
    apr_uint32_t        threads_to_stop;

    apr_thread_mutex_lock(module_globals->mpm->job_mutex);

    module_globals->mpm->server_shutdown = 1;

    /* We wake up the supervisor who is now supposed to stop
     * all the Tcl worker threads
     */

    apr_thread_cond_signal(module_globals->mpm->job_cond);
    apr_thread_mutex_unlock(module_globals->mpm->job_mutex);

    waits = 5;
    do
    {

        rv = apr_queue_trypop(module_globals->mpm->queue,&v);

        /* We wait for possible threads that are taking
         * time to serve requests and haven't had a chance to
         * see the signal
         */

        if (rv == APR_EAGAIN)
        {
            waits--;
            apr_sleep(200000);
            continue;
        }

        thread_obj = (handler_private*)v;
        apr_thread_mutex_lock(thread_obj->mutex);
        thread_obj->status = init;
        apr_thread_cond_signal(thread_obj->cond);
        apr_thread_mutex_unlock(thread_obj->mutex);

        threads_to_stop = apr_atomic_read32(module_globals->mpm->threads_count);

    } while ((waits > 0) && (threads_to_stop > 0));

    return;
}