static int
request_add(int a, int b){
request_queue_entry* e;
e = new_request_queue_entry();
e->method = METHOD_ADD;
e->param.request_add.a = a;
e->param.request_add.b = b;
request_enqueue(e);
uvm_chime_wait(&e->chime);
dispose_request_queue_entry(e);
return e->result.result_add.result;
}
/*
* Assign a new request to a free thread.
*
* If there isn't a free thread, then try to create a new one,
* up to the configured limits.
*/
int thread_pool_addrequest(REQUEST *request, RAD_REQUEST_FUNP fun)
{
time_t now = request->timestamp;
request->process = fun;
/*
* We've been told not to spawn threads, so don't.
*/
if (!thread_pool.spawn_flag) {
radius_handle_request(request, fun);
#ifdef WNOHANG
/*
* Requests that care about child process exit
* codes have already either called
* rad_waitpid(), or they've given up.
*/
wait(NULL);
#endif
return 1;
}
/*
* Add the new request to the queue.
*/
if (!request_enqueue(request, fun)) return 0;
/*
* If we haven't checked the number of child threads
* in a while, OR if the thread pool appears to be full,
* go manage it.
*/
if ((last_cleaned < now) ||
(thread_pool.active_threads == thread_pool.total_threads)) {
thread_pool_manage(now);
}
return 1;
}