void * sge_worker_main(void *arg) { bool do_endlessly = true; cl_thread_settings_t *thread_config = (cl_thread_settings_t*)arg; sge_gdi_ctx_class_t *ctx = NULL; monitoring_t monitor; monitoring_t *monitorp = &monitor; time_t next_prof_output = 0; DENTER(TOP_LAYER, "sge_worker_main"); DPRINTF(("started")); cl_thread_func_startup(thread_config); sge_monitor_init(&monitor, thread_config->thread_name, GDI_EXT, MT_WARNING, MT_ERROR); sge_qmaster_thread_init(&ctx, QMASTER, WORKER_THREAD, true); /* register at profiling module */ set_thread_name(pthread_self(), "Worker Thread"); conf_update_thread_profiling("Worker Thread"); while (do_endlessly) { sge_gdi_packet_class_t *packet = NULL; /* * Wait for packets. As long as packets are available cancelation * of this thread is ignored. The shutdown procedure in the main * thread takes care that packet producers will be terminated * before all worker threads so that this won't be a problem. */ MONITOR_IDLE_TIME( sge_tq_wait_for_task(Master_Task_Queue, 1, SGE_TQ_GDI_PACKET, (void *)&packet), &monitor, mconf_get_monitor_time(), mconf_is_monitor_message()); MONITOR_SET_QLEN((monitorp), sge_tq_get_task_count(Master_Task_Queue)); if (packet != NULL) { sge_gdi_task_class_t *task = packet->first_task; bool is_only_read_request = true; thread_start_stop_profiling(); #ifdef SEND_ANSWER_IN_LISTENER #else /* * prepare buffer for sending an answer */ if (packet->is_intern_request == false && packet->is_gdi_request == true) { init_packbuffer(&(packet->pb), 0, 0); } #endif MONITOR_MESSAGES((monitorp)); if (packet->is_gdi_request == true) { /* * test if a write lock is necessary */ task = packet->first_task; while (task != NULL) { u_long32 command = SGE_GDI_GET_OPERATION(task->command); if (command != SGE_GDI_GET) { is_only_read_request = false; break; } task = task->next; } } else { is_only_read_request = false; } /* * acquire the correct lock */ if (is_only_read_request) { MONITOR_WAIT_TIME(SGE_LOCK(LOCK_GLOBAL, LOCK_READ), monitorp); } else { MONITOR_WAIT_TIME(SGE_LOCK(LOCK_GLOBAL, LOCK_WRITE), monitorp); } if (packet->is_gdi_request == true) { /* * do the GDI request */ task = packet->first_task; while (task != NULL) { sge_c_gdi(ctx, packet, task, &(task->answer_list), &monitor); task = task->next; } } else { task = packet->first_task; sge_c_report(ctx, packet->host, packet->commproc, packet->commproc_id, task->data_list, &monitor); } /* * do unlock */ if (is_only_read_request) { SGE_UNLOCK(LOCK_GLOBAL, LOCK_READ) } else { SGE_UNLOCK(LOCK_GLOBAL, LOCK_WRITE) } if (packet->is_gdi_request == true) { #ifdef SEND_ANSWER_IN_LISTENER sge_gdi_packet_broadcast_that_handled(packet); #else /* * Send the answer to the client */ if (packet->is_intern_request == false) { MONITOR_MESSAGES_OUT(monitorp); sge_gdi2_send_any_request(ctx, 0, NULL, packet->host, packet->commproc, packet->commproc_id, &(packet->pb), TAG_GDI_REQUEST, packet->response_id, NULL); clear_packbuffer(&(packet->pb)); # ifdef BLOCK_LISTENER sge_gdi_packet_broadcast_that_handled(packet); # else sge_gdi_packet_free(&packet); # endif /* * Code only for TS: * * Following if-block will only be executed in testsuite if the qmaster * parameter __TEST_SLEEP_AFTER_REQUEST is defined. This will block the * worker thread if it handled a request. Only this makes sure that * other worker threads can handle incoming requests. Otherwise * it might be possible that one worker threads handles all requests * on fast qmaster hosts if testsuite is not fast enough to generate * gdi requests. */ if (mconf_get_enable_test_sleep_after_request() == true) { sleep(5); } } else { sge_gdi_packet_broadcast_that_handled(packet); /* this is an internal request, packet will get destroyed later, * where the caller waits for the answer * make sure it is no longer accessed here */ packet = NULL; } #endif } else { sge_gdi_packet_free(&packet); } thread_output_profiling("worker thread profiling summary:\n", &next_prof_output); sge_monitor_output(&monitor); } else {
void * sge_event_master_main(void *arg) { bool do_endlessly = true; cl_thread_settings_t *thread_config = (cl_thread_settings_t*)arg; sge_gdi_ctx_class_t *ctx = NULL; monitoring_t monitor; monitoring_t *monitorp = &monitor; lListElem *report = NULL; lList *report_list = NULL; time_t next_prof_output = 0; DENTER(TOP_LAYER, "sge_event_master_main"); DPRINTF(("started")); cl_thread_func_startup(thread_config); sge_monitor_init(&monitor, thread_config->thread_name, EDT_EXT, EMT_WARNING, EMT_ERROR); sge_qmaster_thread_init(&ctx, QMASTER, DELIVERER_THREAD, true); /* register at profiling module */ set_thread_name(pthread_self(), "Deliver Thread"); conf_update_thread_profiling("Deliver Thread"); report_list = lCreateListHash("report list", REP_Type, false); report = lCreateElem(REP_Type); lSetUlong(report, REP_type, NUM_REP_REPORT_EVENTS); lSetHost(report, REP_host, ctx->get_qualified_hostname(ctx)); lAppendElem(report_list, report); while (do_endlessly) { int execute = 0; thread_start_stop_profiling(); /* * did a new event arrive which has a flush time of 0 seconds? */ MONITOR_IDLE_TIME(sge_event_master_wait_next(), (&monitor), mconf_get_monitor_time(), mconf_is_monitor_message()); MONITOR_MESSAGES((monitorp)); MONITOR_EDT_COUNT((&monitor)); MONITOR_CLIENT_COUNT((&monitor), lGetNumberOfElem(Event_Master_Control.clients)); sge_event_master_process_requests(&monitor); sge_event_master_send_events(ctx, report, report_list, &monitor); sge_monitor_output(&monitor); thread_output_profiling("event master thread profiling summary:\n", &next_prof_output); /* pthread cancelation point */ pthread_cleanup_push((void (*)(void *))sge_event_master_cleanup_monitor, (void *)&monitor); pthread_cleanup_push((void (*)(void *))sge_event_master_cleanup_report_list, (void *)&report_list); cl_thread_func_testcancel(thread_config); pthread_cleanup_pop(execute); pthread_cleanup_pop(execute); if (sge_thread_has_shutdown_started()) { DPRINTF(("waiting for termination\n")); sleep(1); } } /* * Don't add cleanup code here. It will never be executed. Instead register * a cleanup function with pthread_cleanup_push()/pthread_cleanup_pop() before * and after the call of cl_thread_func_testcancel() */ DRETURN(NULL); }
/****** qmaster/threads/sge_scheduler_main() ********************************** * NAME * sge_scheduler_main() -- main function of the scheduler thread * * SYNOPSIS * void * sge_scheduler_main(void *arg) * * FUNCTION * Main function of the scheduler thread, * * INPUTS * void *arg - pointer to the thread function (type cl_thread_settings_t*) * * RESULT * void * - always NULL * * NOTES * MT-NOTE: sge_scheduler_main() is MT safe * * MT-NOTE: this is a thread function. Do NOT use this function * MT-NOTE: in any other way! * * SEE ALSO * qmaster/threads/sge_scheduler_initialize() * qmaster/threads/sge_scheduler_cleanup_thread() * qmaster/threads/sge_scheduler_terminate() * qmaster/threads/sge_scheduler_main() *******************************************************************************/ void * sge_scheduler_main(void *arg) { time_t next_prof_output = 0; monitoring_t monitor; sge_gdi_ctx_class_t *ctx = NULL; sge_evc_class_t *evc = NULL; lList *alp = NULL; sge_where_what_t where_what; cl_thread_settings_t *thread_config = (cl_thread_settings_t*)arg; bool do_shutdown = false; bool do_endlessly = true; bool local_ret = true; DENTER(TOP_LAYER, "sge_scheduler_main"); memset(&where_what, 0, sizeof(where_what)); /* * startup */ if (local_ret) { /* initialize commlib thread */ cl_thread_func_startup(thread_config); /* initialize monitoring */ sge_monitor_init(&monitor, thread_config->thread_name, SCH_EXT, SCT_WARNING, SCT_ERROR); sge_qmaster_thread_init(&ctx, SCHEDD, SCHEDD_THREAD, true); /* register at profiling module */ set_thread_name(pthread_self(), "Scheduler Thread"); conf_update_thread_profiling("Scheduler Thread"); DPRINTF((SFN" started\n", thread_config->thread_name)); /* initialize schedd_runnlog logging */ schedd_set_schedd_log_file(ctx); } /* set profiling parameters */ prof_set_level_name(SGE_PROF_EVENTMASTER, NULL, NULL); prof_set_level_name(SGE_PROF_SPOOLING, NULL, NULL); prof_set_level_name(SGE_PROF_CUSTOM0, "scheduler", NULL); prof_set_level_name(SGE_PROF_CUSTOM1, "pending ticket calculation", NULL); prof_set_level_name(SGE_PROF_CUSTOM3, "job sorting", NULL); prof_set_level_name(SGE_PROF_CUSTOM4, "job dispatching", NULL); prof_set_level_name(SGE_PROF_CUSTOM5, "send orders", NULL); prof_set_level_name(SGE_PROF_CUSTOM6, "scheduler event loop", NULL); prof_set_level_name(SGE_PROF_CUSTOM7, "copy lists", NULL); prof_set_level_name(SGE_PROF_SCHEDLIB4, NULL, NULL); /* set-up needed for 'schedule' file */ serf_init(schedd_serf_record_func, schedd_serf_newline); schedd_set_serf_log_file(ctx); /* * prepare event client/mirror mechanism */ if (local_ret) { local_ret = sge_gdi2_evc_setup(&evc, ctx, EV_ID_SCHEDD, &alp, "scheduler"); DPRINTF(("prepared event client/mirror mechanism\n")); } /* * register as event mirror */ if (local_ret) { sge_mirror_initialize(evc, EV_ID_SCHEDD, "scheduler", false, &event_update_func, &sge_mod_event_client, &sge_add_event_client, &sge_remove_event_client, &sge_handle_event_ack); evc->ec_register(evc, false, NULL, &monitor); evc->ec_set_busy_handling(evc, EV_BUSY_UNTIL_RELEASED); DPRINTF(("registered at event mirror\n")); } /* * subscribe necessary data */ if (local_ret) { ensure_valid_what_and_where(&where_what); subscribe_scheduler(evc, &where_what); DPRINTF(("subscribed necessary data from event master\n")); } /* * schedulers main loop */ if (local_ret) { while (do_endlessly) { bool handled_events = false; lList *event_list = NULL; int execute = 0; double prof_copy = 0.0; double prof_total = 0.0; double prof_init = 0.0; double prof_free = 0.0; double prof_run = 0.0; lList *orders = NULL; if (sconf_get_profiling()) { prof_start(SGE_PROF_OTHER, NULL); prof_start(SGE_PROF_PACKING, NULL); prof_start(SGE_PROF_EVENTCLIENT, NULL); prof_start(SGE_PROF_MIRROR, NULL); prof_start(SGE_PROF_GDI, NULL); prof_start(SGE_PROF_HT_RESIZE, NULL); prof_start(SGE_PROF_CUSTOM0, NULL); prof_start(SGE_PROF_CUSTOM1, NULL); prof_start(SGE_PROF_CUSTOM3, NULL); prof_start(SGE_PROF_CUSTOM4, NULL); prof_start(SGE_PROF_CUSTOM5, NULL); prof_start(SGE_PROF_CUSTOM6, NULL); prof_start(SGE_PROF_CUSTOM7, NULL); prof_start(SGE_PROF_SCHEDLIB4, NULL); } else { prof_stop(SGE_PROF_OTHER, NULL); prof_stop(SGE_PROF_PACKING, NULL); prof_stop(SGE_PROF_EVENTCLIENT, NULL); prof_stop(SGE_PROF_MIRROR, NULL); prof_stop(SGE_PROF_GDI, NULL); prof_stop(SGE_PROF_HT_RESIZE, NULL); prof_stop(SGE_PROF_CUSTOM0, NULL); prof_stop(SGE_PROF_CUSTOM1, NULL); prof_stop(SGE_PROF_CUSTOM3, NULL); prof_stop(SGE_PROF_CUSTOM4, NULL); prof_stop(SGE_PROF_CUSTOM5, NULL); prof_stop(SGE_PROF_CUSTOM6, NULL); prof_stop(SGE_PROF_CUSTOM7, NULL); prof_stop(SGE_PROF_SCHEDLIB4, NULL); } /* * Wait for new events */ MONITOR_IDLE_TIME(sge_scheduler_wait_for_event(evc, &event_list), (&monitor), mconf_get_monitor_time(), mconf_is_monitor_message()); /* If we lost connection we have to register again */ if (evc->ec_need_new_registration(evc)) { lFreeList(&event_list); if (evc->ec_register(evc, false, NULL, &monitor) == true) { DPRINTF(("re-registered at event master!\n")); } } if (event_list != NULL) { /* check for shutdown */ do_shutdown = (lGetElemUlong(event_list, ET_type, sgeE_SHUTDOWN) != NULL) ? true : false; /* update mirror and free data */ if (do_shutdown == false && sge_mirror_process_event_list(evc, event_list) == SGE_EM_OK) { handled_events = true; DPRINTF(("events handled\n")); } else { DPRINTF(("events contain shutdown event - ignoring events\n")); } lFreeList(&event_list); } /* if we actually got events, start the scheduling run and further event processing */ if (handled_events == true) { lList *answer_list = NULL; scheduler_all_data_t copy; lList *master_cqueue_list = *(object_type_get_master_list(SGE_TYPE_CQUEUE)); lList *master_job_list = *object_type_get_master_list(SGE_TYPE_JOB); lList *master_userset_list = *object_type_get_master_list(SGE_TYPE_USERSET); lList *master_project_list = *object_type_get_master_list(SGE_TYPE_PROJECT); lList *master_exechost_list= *object_type_get_master_list(SGE_TYPE_EXECHOST); lList *master_rqs_list= *object_type_get_master_list(SGE_TYPE_RQS); lList *master_centry_list = *object_type_get_master_list(SGE_TYPE_CENTRY); lList *master_ckpt_list = *object_type_get_master_list(SGE_TYPE_CKPT); lList *master_user_list = *object_type_get_master_list(SGE_TYPE_USER); lList *master_ar_list = *object_type_get_master_list(SGE_TYPE_AR); lList *master_pe_list = *object_type_get_master_list(SGE_TYPE_PE); lList *master_hgrp_list = *object_type_get_master_list(SGE_TYPE_HGROUP); lList *master_sharetree_list = *object_type_get_master_list(SGE_TYPE_SHARETREE); /* delay scheduling for test purposes, see issue GE-3306 */ if (SGE_TEST_DELAY_SCHEDULING > 0) { sleep(SGE_TEST_DELAY_SCHEDULING); } PROF_START_MEASUREMENT(SGE_PROF_CUSTOM6); PROF_START_MEASUREMENT(SGE_PROF_CUSTOM7); if (__CONDITION(INFOPRINT)) { dstring ds; char buffer[128]; sge_dstring_init(&ds, buffer, sizeof(buffer)); DPRINTF(("================[SCHEDULING-EPOCH %s]==================\n", sge_at_time(0, &ds))); sge_dstring_free(&ds); } /* * If there were new events then * copy/filter data necessary for the scheduler run * and run the scheduler method */ memset(©, 0, sizeof(copy)); copy.dept_list = lSelect("", master_userset_list, where_what.where_dept, where_what.what_acldept); copy.acl_list = lSelect("", master_userset_list, where_what.where_acl, where_what.what_acldept); DPRINTF(("RAW CQ:%d, J:%d, H:%d, C:%d, A:%d, D:%d, P:%d, CKPT:%d," " US:%d, PR:%d, RQS:%d, AR:%d, S:nd:%d/lf:%d\n", lGetNumberOfElem(master_cqueue_list), lGetNumberOfElem(master_job_list), lGetNumberOfElem(master_exechost_list), lGetNumberOfElem(master_centry_list), lGetNumberOfElem(copy.acl_list), lGetNumberOfElem(copy.dept_list), lGetNumberOfElem(master_project_list), lGetNumberOfElem(master_ckpt_list), lGetNumberOfElem(master_user_list), lGetNumberOfElem(master_project_list), lGetNumberOfElem(master_rqs_list), lGetNumberOfElem(master_ar_list), lGetNumberOfNodes(NULL, master_sharetree_list, STN_children), lGetNumberOfLeafs(NULL, master_sharetree_list, STN_children) )); sge_rebuild_job_category(master_job_list, master_userset_list, master_project_list, master_rqs_list); PROF_STOP_MEASUREMENT(SGE_PROF_CUSTOM7); prof_init = prof_get_measurement_wallclock(SGE_PROF_CUSTOM7, true, NULL); PROF_START_MEASUREMENT(SGE_PROF_CUSTOM7); sge_before_dispatch(evc); /* prepare data for the scheduler itself */ copy.host_list = lCopyList("", master_exechost_list); /* * Within the scheduler we do only need QIs */ { lListElem *cqueue = NULL; lEnumeration *what_queue3 = NULL; for_each(cqueue, master_cqueue_list) { lList *qinstance_list = lGetList(cqueue, CQ_qinstances); lList *t; if (!qinstance_list) { continue; } /* all_queue_list contains all queue instances with state and full queue name only */ if (!what_queue3) { what_queue3 = lWhat("%T(%I%I)", lGetListDescr(qinstance_list), QU_full_name, QU_state); } t = lSelect("t", qinstance_list, NULL, what_queue3); if (t) { if (copy.all_queue_list == NULL) { copy.all_queue_list = lCreateList("all", lGetListDescr(t)); } lAppendList(copy.all_queue_list, t); lFreeList (&t); } t = lSelect("t", qinstance_list, where_what.where_queue, where_what.what_queue2); if (t) { if (copy.queue_list == NULL) { copy.queue_list = lCreateList("enabled", lGetListDescr(t)); } lAppendList(copy.queue_list, t); lFreeList (&t); } t = lSelect("t", qinstance_list, where_what.where_queue2, where_what.what_queue2); if (t) { if (copy.dis_queue_list == NULL) { copy.dis_queue_list = lCreateList("disabled", lGetListDescr(t)); } lAppendList(copy.dis_queue_list, t); lFreeList (&t); } } if (what_queue3) { lFreeWhat(&what_queue3); } } if (sconf_is_job_category_filtering()) { copy.job_list = sge_category_job_copy(copy.queue_list, &orders, evc->monitor_next_run); } else { copy.job_list = lCopyList("", master_job_list); } /* no need to copy these lists, they are read only used */ copy.centry_list = master_centry_list; copy.ckpt_list = master_ckpt_list; copy.hgrp_list = master_hgrp_list; /* these lists need to be copied because they are modified during scheduling run */ copy.share_tree = lCopyList("", master_sharetree_list); copy.pe_list = lCopyList("", master_pe_list); copy.user_list = lCopyList("", master_user_list); copy.project_list = lCopyList("", master_project_list); copy.rqs_list = lCopyList("", master_rqs_list); copy.ar_list = lCopyList("", master_ar_list); /* report number of reduced and raw (in brackets) lists */ DPRINTF(("Q:%d, AQ:%d J:%d(%d), H:%d(%d), C:%d, A:%d, D:%d, P:%d, CKPT:%d," " US:%d, PR:%d, RQS:%d, AR:%d, S:nd:%d/lf:%d \n", lGetNumberOfElem(copy.queue_list), lGetNumberOfElem(copy.all_queue_list), lGetNumberOfElem(copy.job_list), lGetNumberOfElem(master_job_list), lGetNumberOfElem(copy.host_list), lGetNumberOfElem(master_exechost_list), lGetNumberOfElem(copy.centry_list), lGetNumberOfElem(copy.acl_list), lGetNumberOfElem(copy.dept_list), lGetNumberOfElem(copy.pe_list), lGetNumberOfElem(copy.ckpt_list), lGetNumberOfElem(copy.user_list), lGetNumberOfElem(copy.project_list), lGetNumberOfElem(copy.rqs_list), lGetNumberOfElem(copy.ar_list), lGetNumberOfNodes(NULL, copy.share_tree, STN_children), lGetNumberOfLeafs(NULL, copy.share_tree, STN_children) )); if (getenv("SGE_ND")) { printf("Q:%d, AQ:%d J:%d(%d), H:%d(%d), C:%d, A:%d, D:%d, " "P:%d, CKPT:%d, US:%d, PR:%d, RQS:%d, AR:%d, S:nd:%d/lf:%d \n", lGetNumberOfElem(copy.queue_list), lGetNumberOfElem(copy.all_queue_list), lGetNumberOfElem(copy.job_list), lGetNumberOfElem(master_job_list), lGetNumberOfElem(copy.host_list), lGetNumberOfElem(master_exechost_list), lGetNumberOfElem(copy.centry_list), lGetNumberOfElem(copy.acl_list), lGetNumberOfElem(copy.dept_list), lGetNumberOfElem(copy.pe_list), lGetNumberOfElem(copy.ckpt_list), lGetNumberOfElem(copy.user_list), lGetNumberOfElem(copy.project_list), lGetNumberOfElem(copy.rqs_list), lGetNumberOfElem(copy.ar_list), lGetNumberOfNodes(NULL, copy.share_tree, STN_children), lGetNumberOfLeafs(NULL, copy.share_tree, STN_children) ); } else { schedd_log("-------------START-SCHEDULER-RUN-------------", NULL, evc->monitor_next_run); } PROF_STOP_MEASUREMENT(SGE_PROF_CUSTOM7); prof_copy = prof_get_measurement_wallclock(SGE_PROF_CUSTOM7, true, NULL); PROF_START_MEASUREMENT(SGE_PROF_CUSTOM7); scheduler_method(evc, &answer_list, ©, &orders); answer_list_output(&answer_list); PROF_STOP_MEASUREMENT(SGE_PROF_CUSTOM7); prof_run = prof_get_measurement_wallclock(SGE_PROF_CUSTOM7, true, NULL); PROF_START_MEASUREMENT(SGE_PROF_CUSTOM7); /* .. which gets deleted after using */ lFreeList(&(copy.host_list)); lFreeList(&(copy.queue_list)); lFreeList(&(copy.dis_queue_list)); lFreeList(&(copy.all_queue_list)); lFreeList(&(copy.job_list)); lFreeList(&(copy.acl_list)); lFreeList(&(copy.dept_list)); lFreeList(&(copy.pe_list)); lFreeList(&(copy.share_tree)); lFreeList(&(copy.user_list)); lFreeList(&(copy.project_list)); lFreeList(&(copy.rqs_list)); lFreeList(&(copy.ar_list)); PROF_STOP_MEASUREMENT(SGE_PROF_CUSTOM7); prof_free = prof_get_measurement_wallclock(SGE_PROF_CUSTOM7, true, NULL); /* * need to sync with event master thread * if schedd configuration changed then settings in evm can be adjusted */ if (sconf_is_new_config()) { /* set scheduler interval / event delivery interval */ u_long32 interval = sconf_get_schedule_interval(); if (evc->ec_get_edtime(evc) != interval) { evc->ec_set_edtime(evc, interval); } /* set job / ja_task event flushing */ set_job_flushing(evc); /* no need to ec_commit here - we do it when resetting the busy state */ /* now we handled the new schedd config - no need to do it twice */ sconf_reset_new_config(); } /* block till master handled all GDI orders */ sge_schedd_block_until_orders_processed(evc->get_gdi_ctx(evc), NULL); schedd_order_destroy(); /* * Stop profiling for "schedd run total" and the subcategories */ PROF_STOP_MEASUREMENT(SGE_PROF_CUSTOM6); prof_total = prof_get_measurement_wallclock(SGE_PROF_CUSTOM6, true, NULL); if (prof_is_active(SGE_PROF_CUSTOM6)) { PROFILING((SGE_EVENT, "PROF: schedd run took: %.3f s (init: %.3f s, copy: %.3f s, " "run:%.3f, free: %.3f s, jobs: %d, categories: %d/%d)", prof_total, prof_init, prof_copy, prof_run, prof_free, lGetNumberOfElem(*object_type_get_master_list(SGE_TYPE_JOB)), sge_category_count(), sge_cs_category_count() )); } if (getenv("SGE_ND") != NULL) { printf("--------------STOP-SCHEDULER-RUN-------------\n"); } else { schedd_log("--------------STOP-SCHEDULER-RUN-------------", NULL, evc->monitor_next_run); } thread_output_profiling("scheduler thread profiling summary:\n", &next_prof_output); sge_monitor_output(&monitor); } /* reset the busy state */ evc->ec_set_busy(evc, 0); evc->ec_commit(evc, NULL); /* stop logging into schedd_runlog (enabled via -tsm) */ evc->monitor_next_run = false; /* * pthread cancelation point * * sge_scheduler_cleanup_thread() is the last function which should * be called so it is pushed first */ pthread_cleanup_push(sge_scheduler_cleanup_thread, (void *) &ctx); pthread_cleanup_push((void (*)(void *))sge_scheduler_cleanup_monitor, (void *)&monitor); pthread_cleanup_push((void (*)(void *))sge_scheduler_cleanup_event_client, (void *)evc); cl_thread_func_testcancel(thread_config); pthread_cleanup_pop(execute); pthread_cleanup_pop(execute); pthread_cleanup_pop(execute); DPRINTF(("passed cancelation point\n")); }
/****** qmaster/sge_qmaster_main/signal_thread() ******************************* * NAME * signal_thread() -- signal thread function * * SYNOPSIS * void* signal_thread(void* anArg) * * FUNCTION * Signal handling thread function. Establish recognized signal set. Enter * signal wait loop. Wait for signal. Handle signal. * * If signal is 'SIGINT' or 'SIGTERM', kick-off shutdown and invalidate * signal thread. * * NOTE: The signal thread will terminate on return of this function. * * INPUTS * void* anArg - not used * * RESULT * void* - none * * NOTES * MT-NOTE: signal_thread() is a thread function. Do NOT use this function * MT-NOTE: in any other way! * *******************************************************************************/ void* sge_signaler_main(void* arg) { cl_thread_settings_t *thread_config = (cl_thread_settings_t*)arg; bool is_continue = true; sigset_t sig_set; int sig_num; time_t next_prof_output = 0; monitoring_t monitor; sge_gdi_ctx_class_t *ctx = NULL; DENTER(TOP_LAYER, "sge_signaler_main"); cl_thread_func_startup(thread_config); sge_monitor_init(&monitor, thread_config->thread_name, NONE_EXT, ST_WARNING, ST_ERROR); sge_qmaster_thread_init(&ctx, QMASTER, SIGNALER_THREAD, true); sigemptyset(&sig_set); sigaddset(&sig_set, SIGINT); sigaddset(&sig_set, SIGTERM); /* register at profiling module */ set_thread_name(pthread_self(), "Signal Thread"); conf_update_thread_profiling("Signal Thread"); while (is_continue) { /* * Wait for signals */ sigwait(&sig_set, &sig_num); thread_start_stop_profiling(); DPRINTF(("got signal %d\n", sig_num)); switch (sig_num) { case SIGINT: case SIGTERM: /* * Notify the main thread. It is waiting and will shutdown all other * threads if it gets signalled */ sge_thread_notify_all_waiting(); #if defined(SOLARIS) if (sge_smf_used() == 1) { /* We don't do disable on svcadm restart */ if (sge_strnullcmp(sge_smf_get_instance_state(), SCF_STATE_STRING_ONLINE) == 0 && sge_strnullcmp(sge_smf_get_instance_next_state(), SCF_STATE_STRING_NONE) == 0) { sge_smf_temporary_disable_instance(); } } #endif /* * Now this thread can exit. The main thread does the remaining * shutdown activities */ is_continue = false; break; default: ERROR((SGE_EVENT, MSG_QMASTER_UNEXPECTED_SIGNAL_I, sig_num)); } sge_monitor_output(&monitor); thread_output_profiling("signal thread profiling summary:\n", &next_prof_output); } sge_monitor_free(&monitor); DRETURN(NULL); }