Function worker_pre_config

server/mpm/worker/worker.c:2055–2118

}

static int worker_pre_config(apr_pool_t *pconf, apr_pool_t *plog,
                             apr_pool_t *ptemp)
{
    int no_detach, debug, foreground;
    apr_status_t rv;
    const char *userdata_key = "mpm_worker_module";

    debug = ap_exists_config_define("DEBUG");

    if (debug) {
        foreground = one_process = 1;
        no_detach = 0;
    }
    else {
        one_process = ap_exists_config_define("ONE_PROCESS");
        no_detach = ap_exists_config_define("NO_DETACH");
        foreground = ap_exists_config_define("FOREGROUND");
    }

    ap_mutex_register(pconf, AP_ACCEPT_MUTEX_TYPE, NULL, APR_LOCK_DEFAULT, 0);

    retained = ap_retained_data_get(userdata_key);
    if (!retained) {
        retained = ap_retained_data_create(userdata_key, sizeof(*retained));
        retained->mpm = ap_unixd_mpm_get_retained_data();
    }
    retained->mpm->mpm_state = AP_MPMQ_STARTING;
    if (retained->mpm->baton != retained) {
        retained->mpm->was_graceful = 0;
        retained->mpm->baton = retained;
    }
    ++retained->mpm->module_loads;

    /* sigh, want this only the second time around */
    if (retained->mpm->module_loads == 2) {
        if (!one_process && !foreground) {
            /* before we detach, setup crash handlers to log to errorlog */
            ap_fatal_signal_setup(ap_server_conf, pconf);
            rv = apr_proc_detach(no_detach ? APR_PROC_DETACH_FOREGROUND
                                           : APR_PROC_DETACH_DAEMONIZE);
            if (rv != APR_SUCCESS) {
                ap_log_error(APLOG_MARK, APLOG_CRIT, rv, NULL, APLOGNO(00299)
                             "apr_proc_detach failed");
                return HTTP_INTERNAL_SERVER_ERROR;
            }
        }
    }

    parent_pid = ap_my_pid = getpid();

    ap_listen_pre_config();
    ap_daemons_to_start = DEFAULT_START_DAEMON;
    min_spare_threads = DEFAULT_MIN_FREE_DAEMON * DEFAULT_THREADS_PER_CHILD;
    max_spare_threads = DEFAULT_MAX_FREE_DAEMON * DEFAULT_THREADS_PER_CHILD;
    server_limit = DEFAULT_SERVER_LIMIT;
    thread_limit = DEFAULT_THREAD_LIMIT;
    ap_daemons_limit = server_limit;
    threads_per_child = DEFAULT_THREADS_PER_CHILD;