/* start new worker if needed */
void check_worker_population() {
int x, now, target_number_of_workers;
gm_log( GM_LOG_TRACE3, "check_worker_population()\n");
/* set current worker number */
count_current_worker(GM_ENABLED);
/* check if status worker died */
if( shm[3] == -1 ) {
make_new_child(GM_WORKER_STATUS);
}
/* keep up minimum population */
for (x = current_number_of_workers; x < mod_gm_opt->min_worker; x++) {
make_new_child(GM_WORKER_MULTI);
current_number_of_workers++;
}
/* check every second */
now = (int)time(NULL);
if(last_time_increased >= now)
return;
target_number_of_workers = adjust_number_of_worker(mod_gm_opt->min_worker, mod_gm_opt->max_worker, current_number_of_workers, current_number_of_jobs);
for (x = current_number_of_workers; x < target_number_of_workers; x++) {
last_time_increased = now;
/* top up the worker pool */
make_new_child(GM_WORKER_MULTI);
}
return;
}
/* start new worker if needed */
void check_worker_population() {
int x, now, status, target_number_of_workers;
gm_log( GM_LOG_TRACE3, "check_worker_population()\n");
now = (int)time(NULL);
/* collect finished workers */
while(waitpid(-1, &status, WNOHANG) > 0)
gm_log( GM_LOG_TRACE, "waitpid() worker exited with: %d\n", status);
/* set current worker number */
count_current_worker(GM_ENABLED);
/* check last check time, force restart all worker if there is no result in 2 minutes */
if( shm[SHM_WORKER_LAST_CHECK] < (now - 120) ) {
gm_log( GM_LOG_INFO, "no checks in 2minutes, restarting all workers\n", shm[SHM_WORKER_LAST_CHECK]);
shm[SHM_WORKER_LAST_CHECK] = now;
for(x=SHM_SHIFT; x < mod_gm_opt->max_worker+SHM_SHIFT; x++) {
save_kill(shm[x], SIGINT);
}
sleep(3);
for(x=SHM_SHIFT; x < mod_gm_opt->max_worker+SHM_SHIFT; x++) {
save_kill(shm[x], SIGKILL);
shm[x] = -1;
}
}
/* check if status worker died */
if( shm[SHM_STATUS_WORKER_PID] == -1 ) {
make_new_child(GM_WORKER_STATUS);
}
/* keep up minimum population */
for (x = current_number_of_workers; x < mod_gm_opt->min_worker; x++) {
make_new_child(GM_WORKER_MULTI);
current_number_of_workers++;
}
/* check every second if we need to increase worker population */
if(last_time_increased >= now)
return;
target_number_of_workers = adjust_number_of_worker(mod_gm_opt->min_worker, mod_gm_opt->max_worker, current_number_of_workers, current_number_of_jobs);
for (x = current_number_of_workers; x < target_number_of_workers; x++) {
last_time_increased = now;
/* top up the worker pool */
make_new_child(GM_WORKER_MULTI);
}
return;
}
