svc/startd/restarter.c

4  * The contents of this file are subject to the terms of the
35  *   - timeout thread: thread to fire queued timeouts
36  *   - contract thread: thread to handle contract events
37  *   - wait thread: thread to handle wait-based services
56  *   restarter_inst_t->ri_i.i_state.  If transition to a new state could take
58  *   restarter_inst_t->ri_i.i_next_state to the target state, and afterwards we
59  *   rotate i_next_state to i_state and set i_next_state to
63  *   method_thread() does, we set ri_method_thread to the thread id of the
143  * Function used to reset the restart times for an instance, when
333 	 * & insert to be atomic.
435 	 * we're probably being restarted & don't want to mess up the states
454 			 * have initialized the state to uninitialized/none if
472 				 * Force next_state to _NONE since we
609 	/* No more failures we live through, so add it to the list. */
858 		    "to repository: %s.\n", ri->ri_i.i_fmri, strerror(e));
925 		 * locked, though, leads to deadlock.  Since taking a snapshot
1038 		cp = "process killed due to uncorrectable hardware error";
1094 		 * No need to stop instance, as child has exited; remove
1095 		 * contract and move the instance to the offline state.
1141 		 * end up <defunct> so mark it to be ignored.
1311  *   Set inst->ri_i.i_enabled.  Expects 'e' to be _ENABLE, _DISABLE, or
1313  *   disabled, move it to offline.  If the event is _DISABLE or
1314  *   _ADMIN_DISABLE, make sure inst will move to disabled.
1412 			 * We only want to pull the instance out of maintenance
1416 			 * want to pull the service out of maintenance if,
1417 			 * for example, it is there due to a dependency cycle.
1446 	log_framework(LOG_DEBUG, "%s: trying to start instance\n",
1450 	 * We want to keep the original reason for restarts and clear actions
1519 	log_instance(rip, B_TRUE, "Stopping for maintenance due to %s.",
1521 	log_framework(LOG_DEBUG, "%s: stopping for maintenance due to %s.\n",
1535 	 * copy the fmri to restarter/auxiliary_fmri so svcs -x can use.
1677  *   Called in a separate thread to process the events on an instance's
1678  *   queue.  Empties the queue completely, and tries to keep the thread
1679  *   around for a little while after the queue is empty to save on
1689 	struct timespec to;
1832 	 * Try to preserve the thread for a little while for future use.
1834 	to.tv_sec = 3;
1835 	to.tv_nsec = 0;
1837 	    &rip->ri_queue_lock, &to);
1900 	 * to the repository.
1924 			 * instance structure yet, so we need to handle the
1970 			/* Now add the event to the instance queue. */
2046 	 * If startd has stopped this contract, there is no need to
2099  *   Listens to the process contract bundle for critical events, taking action
2120 	 * to the repository.
2123 		uu_die("Unable to bind a new repository handle: %s\n",