42  *   rather than service instance), GVT_FILE for files (which services may
49  *   dgraph_add_instance() for each instance in the repository.  The function
51  *   a GVT_INST vertex named by the FMRI of the instance, and sets up the edges.
52  *   The resulting web of vertices & edges associated with an instance's vertex
55  *     - an edge from the GVT_SVC vertex for the instance's service
57  *     - an edge to the GVT_INST vertex of the instance's resarter, if its
60  *     - edges from other GVT_INST vertices if the instance is a restarter
62  *     - for each dependency property group in the instance's "running"
64  *       instance and the name of the property group
70  *     - edges from GVT_GROUP vertices for each dependent instance
79  *   The properties of an instance fall into two classes: immediate and
112  *   When an instance of a service managed by SMF changes state, svc.startd may
117  *   SMF repository for the service/instance they refer to. System-wide
118  *   notification parameters are stored in the global instance.
124  *   dgraph_vertex_t gv_stn_tset for service/instance and in the global
984 		case GVT_INST:		/* instance dependency */
1019 	 *   - GVT_GROUP - GVT_INST: instance dependency
1155 	 * A GVT_SERVICE vertex can only be in the subgraph if another instance
1467  * satisfied or any service instance which is configured, enabled, and not in
1578  *   Determine if all the dependencies are satisfied for the supplied instance
1593  * a group vertex, or of an instance vertex.
1603 				 * A dependency on an instance with GV_DEATHROW
1705  * instance transitions between offline -> online, or from !running ->
1706  * maintenance, as well as when an instance is removed from the graph.
1908 			    "%s: instance is already going down.\n",
2004 	/* disable the instance now if there is nothing else to offline */
2036 		 * instance is a leaf when all its dependents are down.
2040 			    "instance %s for %s.\n",
2161 			 * The fmri doesn't specify an instance - translate
2345 	const char *scope, *service, *instance, *pg;
2358 			    "dependency's type of instance %s.\n", fmri,
2381 			    "dependency's type of instance %s.\n", fmri,
2393 		/* Determine if the FMRI is a property group or instance */
2395 		    &instance, &pg, NULL) != 0) {
2408 			    "service or instance.\n", info->pg_name,
2415 			    service, instance ? ":" : "", instance ? instance :
2419 			    scope, service, instance ? ":" : "", instance ?
2420 			    instance : "");
2425 		err = graph_insert_vertex_unconfigured(cfmri, instance ?
2426 		    GVT_INST : GVT_SVC, instance ? 0 : DEPGRP_REQUIRE_ANY,
2435 			if (instance != NULL)
2789  * graph_edge_t's which point to the service vertices or the instance
3009  * inst.  If doing so would create a cycle, log a message and put the instance
3169 	 * If the instance fmri is in the deathrow list then set the
3172 	 * repository for this instance fmri.
3180 			 * non-persistent repository for this instance fmri.
3221 	 * libscf_get_deathrow() sets deathrow to 1 only if this instance
3248 	 * If the instance does not have a restarter property group,
3476 		 * We didn't register the instance with the restarter, so we
3673 	 * the whole OS instance.
4094  * Fetch whether the instance should be enabled from inst and send _ENABLE or
4098  * instance in maintenance.  Don't send _START or _STOP until we get a state
4156  * Locate the vertex for this property group's instance.  If it doesn't exist
4158  * the restarter for the instance, and if it has changed, send
4161  * the new restarter.  Then fetch whether the instance should be enabled, and
4165  * Returns 0 on success, ENOTSUP if the pg's parent is not an instance,
4166  * ECONNABORTED on repository disconnection, ECANCELED if the instance is
4167  * deleted, or -1 if the instance's general property group is deleted or if
4551  * Of the transitive instance dependencies of v, offline those which are
4560 	/* If v isn't an instance, recurse on its dependencies. */
4597  * Of the transitive instance dependencies of v, disable those which are not
4616 	/* If v isn't an instance, recurse on its dependencies. */
4779  * Otherwise set its state to state.  If the instance has entered a state
4782  * instance should be enabled, send _ENABLE.  Offline: if the instance should
4784  * _START.  Online, Degraded: if the instance wasn't running, update its start
4922  * evaluation if an instance is changing state, we're not halfway through
5022 	 * Deleting an instance can both satisfy and unsatisfy dependencies,
5450 		/* If the instance is already disabled, skip it. */
5493 	 * Quit if we are in an optional dependency group and the instance
6012 				    "\"%s\" does not specify an instance.  "
6261  *   per-instance property group, with each action being a single property
6310 		    "The instance must have been removed.\n", inst_name);
6548 	 * instance, so get the fmri and compare.  Plus, once we know it's
6757  * process_delete() deletes an instance from the dgraph if 'fmri' is an
6758  * instance fmri or if 'fmri' matches the 'general' property group of an
6759  * instance (or the 'general/enabled' property).
6773 	/* Determine if the FMRI is a property group or instance */
6784 		 * 'general/enabled' property then the whole instance
6799 		 * Because the instance has already been deleted from the
6801 		 * the instance FMRI however we can easily reconstruct it
6900 			 * Service, instance, or pg deleted.

Indexes created Tue Jul 24 14:28:13 CEST 2018