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unit: implement new PropagateReloadTo=/PropagateReloadFrom= operations
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@ -509,6 +509,22 @@
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state.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>PropagateReloadTo=</varname></term>
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<term><varname>PropagateReloadFrom=</varname></term>
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<listitem><para>Lists one or more
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units where reload requests on the
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unit will be propagated to/on the
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other unit will be propagated
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from. Issuing a reload request on a
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unit will automatically also enqueue a
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reload request on all units that the
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reload request shall be propagated to
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via these two
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settings.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>OnFailureIsolate=</varname></term>
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@ -80,6 +80,10 @@
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" <property name=\"Before\" type=\"as\" access=\"read\"/>\n" \
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" <property name=\"After\" type=\"as\" access=\"read\"/>\n" \
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" <property name=\"OnFailure\" type=\"as\" access=\"read\"/>\n" \
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" <property name=\"Triggers\" type=\"as\" access=\"read\"/>\n" \
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" <property name=\"TriggeredBy\" type=\"as\" access=\"read\"/>\n" \
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" <property name=\"PropagateReloadTo\" type=\"as\" access=\"read\"/>\n" \
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" <property name=\"PropagateReloadFrom\" type=\"as\" access=\"read\"/>\n" \
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" <property name=\"Description\" type=\"s\" access=\"read\"/>\n" \
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" <property name=\"LoadState\" type=\"s\" access=\"read\"/>\n" \
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" <property name=\"ActiveState\" type=\"s\" access=\"read\"/>\n" \
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@ -143,6 +147,8 @@
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{ "org.freedesktop.systemd1.Unit", "OnFailure", bus_unit_append_dependencies, "as", u->meta.dependencies[UNIT_ON_FAILURE] }, \
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{ "org.freedesktop.systemd1.Unit", "Triggers", bus_unit_append_dependencies, "as", u->meta.dependencies[UNIT_TRIGGERS] }, \
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{ "org.freedesktop.systemd1.Unit", "TriggeredBy", bus_unit_append_dependencies, "as", u->meta.dependencies[UNIT_TRIGGERED_BY] }, \
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{ "org.freedesktop.systemd1.Unit", "PropagateReloadTo", bus_unit_append_dependencies, "as", u->meta.dependencies[UNIT_PROPAGATE_RELOAD_TO] }, \
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{ "org.freedesktop.systemd1.Unit", "PropagateReloadFrom", bus_unit_append_dependencies, "as", u->meta.dependencies[UNIT_PROPAGATE_RELOAD_FROM] }, \
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{ "org.freedesktop.systemd1.Unit", "Description", bus_unit_append_description, "s", u }, \
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{ "org.freedesktop.systemd1.Unit", "LoadState", bus_unit_append_load_state, "s", &u->meta.load_state }, \
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{ "org.freedesktop.systemd1.Unit", "ActiveState", bus_unit_append_active_state, "s", u }, \
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@ -100,6 +100,8 @@ Unit.Conflicts, config_parse_unit_deps, UNIT_CONFLI
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Unit.Before, config_parse_unit_deps, UNIT_BEFORE, 0
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Unit.After, config_parse_unit_deps, UNIT_AFTER, 0
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Unit.OnFailure, config_parse_unit_deps, UNIT_ON_FAILURE, 0
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Unit.PropagateReloadTo, config_parse_unit_deps, UNIT_PROPAGATE_RELOAD_TO, 0
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Unit.PropagateReloadFrom, config_parse_unit_deps, UNIT_PROPAGATE_RELOAD_FROM, 0
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Unit.StopWhenUnneeded, config_parse_bool, 0, offsetof(Meta, stop_when_unneeded)
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Unit.RefuseManualStart, config_parse_bool, 0, offsetof(Meta, refuse_manual_start)
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Unit.RefuseManualStop, config_parse_bool, 0, offsetof(Meta, refuse_manual_stop)
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@ -1610,7 +1610,9 @@ static int transaction_add_job_and_dependencies(
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dbus_error_free(e);
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}
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} else if (type == JOB_STOP || type == JOB_RESTART || type == JOB_TRY_RESTART) {
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}
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if (type == JOB_STOP || type == JOB_RESTART || type == JOB_TRY_RESTART) {
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SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUIRED_BY], i)
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if ((r = transaction_add_job_and_dependencies(m, type, dep, ret, true, override, false, false, ignore_order, e, NULL)) < 0) {
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@ -1633,6 +1635,20 @@ static int transaction_add_job_and_dependencies(
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}
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}
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if (type == JOB_RELOAD || type == JOB_RELOAD_OR_START) {
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SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_PROPAGATE_RELOAD_TO], i) {
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r = transaction_add_job_and_dependencies(m, JOB_RELOAD, dep, ret, false, override, false, false, ignore_order, e, NULL);
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if (r < 0) {
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log_warning("Cannot add dependency reload job for unit %s, ignoring: %s", dep->meta.id, bus_error(e, r));
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if (e)
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dbus_error_free(e);
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}
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}
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}
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/* JOB_VERIFY_STARTED, JOB_RELOAD require no dependency handling */
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}
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@ -1539,7 +1539,9 @@ int unit_add_dependency(Unit *u, UnitDependency d, Unit *other, bool add_referen
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[UNIT_REFERENCES] = UNIT_REFERENCED_BY,
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[UNIT_REFERENCED_BY] = UNIT_REFERENCES,
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[UNIT_TRIGGERS] = UNIT_TRIGGERED_BY,
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[UNIT_TRIGGERED_BY] = UNIT_TRIGGERS
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[UNIT_TRIGGERED_BY] = UNIT_TRIGGERS,
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[UNIT_PROPAGATE_RELOAD_TO] = UNIT_PROPAGATE_RELOAD_FROM,
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[UNIT_PROPAGATE_RELOAD_FROM] = UNIT_PROPAGATE_RELOAD_TO
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};
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int r, q = 0, v = 0, w = 0;
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@ -2663,7 +2665,9 @@ static const char* const unit_dependency_table[_UNIT_DEPENDENCY_MAX] = {
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[UNIT_REFERENCED_BY] = "ReferencedBy",
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[UNIT_ON_FAILURE] = "OnFailure",
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[UNIT_TRIGGERS] = "Triggers",
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[UNIT_TRIGGERED_BY] = "TriggeredBy"
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[UNIT_TRIGGERED_BY] = "TriggeredBy",
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[UNIT_PROPAGATE_RELOAD_TO] = "PropagateReloadTo",
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[UNIT_PROPAGATE_RELOAD_FROM] = "PropagateReloadFrom"
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};
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DEFINE_STRING_TABLE_LOOKUP(unit_dependency, UnitDependency);
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@ -124,6 +124,10 @@ enum UnitDependency {
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UNIT_TRIGGERS,
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UNIT_TRIGGERED_BY,
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/* Propagate reloads */
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UNIT_PROPAGATE_RELOAD_TO,
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UNIT_PROPAGATE_RELOAD_FROM,
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/* Reference information for GC logic */
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UNIT_REFERENCES, /* Inverse of 'references' is 'referenced_by' */
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UNIT_REFERENCED_BY,
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