Apache中多任务并发处理机制研究(1)

ap_mpm_query(AP_MPMQ_HARD_LIMIT_THREADS, &thread_limit);

ap_mpm_query(AP_MPMQ_HARD_LIMIT_DAEMONS, &server_limit);

if (!proxy_lb_workers)

proxy_lb_workers = APR_RETRIEVE_OPTIONAL_FN(ap_proxy_lb_workers);

if (proxy_lb_workers)

lb_limit = proxy_lb_workers();

else

lb_limit = 0;

scoreboard_size = sizeof(global_score); u

scoreboard_size = sizeof(process_score) * server_limit; v

scoreboard_size = sizeof(worker_score) * server_limit * thread_limit; w

if (lb_limit)

scoreboard_size = sizeof(lb_score) * lb_limit;