From f14e15f8affe906a45d8afc76c302a49cd1f70ee Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Thu, 28 Oct 2010 03:38:52 +0200 Subject: [PATCH] unit: replace recursive_stop by stop_retroactively to simplify things a little --- man/systemd.unit.xml | 22 ++++++++++++---------- src/dbus-unit.h | 4 ++-- src/device.c | 6 ------ src/load-fragment.c | 2 +- src/mount.c | 3 +++ src/unit.c | 15 +++++++-------- src/unit.h | 6 +++--- 7 files changed, 28 insertions(+), 30 deletions(-) diff --git a/man/systemd.unit.xml b/man/systemd.unit.xml index f72b947d..14da607a 100644 --- a/man/systemd.unit.xml +++ b/man/systemd.unit.xml @@ -441,22 +441,24 @@ - RecursiveStop= + StopRetroactively= Takes a boolean argument. If and - the unit stops without being requested - by the user, all units - depending on it will be stopped as + a unit this unit requires stops + without this being requested by the + user, this unit will be stopped as well. (e.g. if a service exits or - crashes on its own behalf, units using - it will be stopped) Note that normally - if a unit stops without a user request, + crashes on its own behalf, units this + flag is set for that require it will + be stopped.) Note that normally if a + unit stops without a user request, units depending on it will not be terminated. Only if the user requested - shutdown of a unit, all units depending - on that unit will be shut down as well - and at the same time. Defaults to + shutdown of a unit, all units + depending on that unit will be shut + down as well and at the same + time. Defaults to . diff --git a/src/dbus-unit.h b/src/dbus-unit.h index 94e084f6..4a4d23e1 100644 --- a/src/dbus-unit.h +++ b/src/dbus-unit.h @@ -92,7 +92,7 @@ " \n" \ " \n" \ " \n" \ - " \n" \ + " \n" \ " \n" \ " \n" \ " \n" \ @@ -134,7 +134,7 @@ { "org.freedesktop.systemd1.Unit", "CanReload", bus_unit_append_can_reload, "b", u }, \ { "org.freedesktop.systemd1.Unit", "CanIsolate", bus_unit_append_can_isolate, "b", u }, \ { "org.freedesktop.systemd1.Unit", "Job", bus_unit_append_job, "(uo)", u }, \ - { "org.freedesktop.systemd1.Unit", "RecursiveStop", bus_property_append_bool, "b", &u->meta.recursive_stop }, \ + { "org.freedesktop.systemd1.Unit", "StopRetroactively", bus_property_append_bool, "b", &u->meta.stop_retroactively }, \ { "org.freedesktop.systemd1.Unit", "StopWhenUnneeded", bus_property_append_bool, "b", &u->meta.stop_when_unneeded }, \ { "org.freedesktop.systemd1.Unit", "RefuseManualStart", bus_property_append_bool, "b", &u->meta.refuse_manual_start }, \ { "org.freedesktop.systemd1.Unit", "RefuseManualStop", bus_property_append_bool, "b", &u->meta.refuse_manual_stop }, \ diff --git a/src/device.c b/src/device.c index 0ddd3b3d..7b731101 100644 --- a/src/device.c +++ b/src/device.c @@ -69,12 +69,6 @@ static void device_init(Unit *u) { * happen for the other units since their operations time out * anyway. */ d->meta.job_timeout = DEFAULT_TIMEOUT_USEC; - - /* We enable recursive stopping by default for all - devices. This enables the user to use Requires= to make a - service go a way when a device goes away, and Wants= - otherwise. */ - d->meta.recursive_stop = true; } static void device_done(Unit *u) { diff --git a/src/load-fragment.c b/src/load-fragment.c index 74fe7864..bc344510 100644 --- a/src/load-fragment.c +++ b/src/load-fragment.c @@ -1769,7 +1769,7 @@ static int load_from_path(Unit *u, const char *path) { { "Before", config_parse_deps, UINT_TO_PTR(UNIT_BEFORE), "Unit" }, { "After", config_parse_deps, UINT_TO_PTR(UNIT_AFTER), "Unit" }, { "OnFailure", config_parse_deps, UINT_TO_PTR(UNIT_ON_FAILURE), "Unit" }, - { "RecursiveStop", config_parse_bool, &u->meta.recursive_stop, "Unit" }, + { "StopRetroactively", config_parse_bool, &u->meta.stop_retroactively, "Unit" }, { "StopWhenUnneeded", config_parse_bool, &u->meta.stop_when_unneeded, "Unit" }, { "RefuseManualStart", config_parse_bool, &u->meta.refuse_manual_start, "Unit" }, { "RefuseManualStop", config_parse_bool, &u->meta.refuse_manual_stop, "Unit" }, diff --git a/src/mount.c b/src/mount.c index d62ce8f4..0b67fbed 100644 --- a/src/mount.c +++ b/src/mount.c @@ -70,6 +70,9 @@ static void mount_init(Unit *u) { * already trying to comply its last one. */ m->exec_context.same_pgrp = true; + /* Make sure we unmount when the devices we require go away */ + m->meta.stop_retroactively = true; + m->timer_watch.type = WATCH_INVALID; m->control_command_id = _MOUNT_EXEC_COMMAND_INVALID; diff --git a/src/unit.c b/src/unit.c index 1775c1da..f080e7be 100644 --- a/src/unit.c +++ b/src/unit.c @@ -652,13 +652,13 @@ void unit_dump(Unit *u, FILE *f, const char *prefix) { if (u->meta.load_state == UNIT_LOADED) { fprintf(f, - "%s\tRecursive Stop: %s\n" + "%s\tStopRetroactively: %s\n" "%s\tStopWhenUnneeded: %s\n" "%s\tRefuseManualStart: %s\n" "%s\tRefuseManualStop: %s\n" "%s\tDefaultDependencies: %s\n" "%s\tIgnoreDependencyFailure: %s\n", - prefix, yes_no(u->meta.recursive_stop), + prefix, yes_no(u->meta.stop_retroactively), prefix, yes_no(u->meta.stop_when_unneeded), prefix, yes_no(u->meta.refuse_manual_start), prefix, yes_no(u->meta.refuse_manual_stop), @@ -1011,12 +1011,11 @@ static void retroactively_stop_dependencies(Unit *u) { assert(u); assert(UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(u))); - if (u->meta.recursive_stop) { - /* Pull down units need us recursively if enabled */ - SET_FOREACH(other, u->meta.dependencies[UNIT_REQUIRED_BY], i) - if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other))) - manager_add_job(u->meta.manager, JOB_STOP, other, JOB_REPLACE, true, NULL, NULL); - } + /* Pull down units which need us recursively if enabled */ + SET_FOREACH(other, u->meta.dependencies[UNIT_REQUIRED_BY], i) + if (other->meta.stop_retroactively && + !UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other))) + manager_add_job(u->meta.manager, JOB_STOP, other, JOB_REPLACE, true, NULL, NULL); /* Garbage collect services that might not be needed anymore, if enabled */ SET_FOREACH(other, u->meta.dependencies[UNIT_REQUIRES], i) diff --git a/src/unit.h b/src/unit.h index 3f0ef01c..8b6b58e5 100644 --- a/src/unit.h +++ b/src/unit.h @@ -105,7 +105,7 @@ enum UnitDependency { /* Inverse of the above */ UNIT_REQUIRED_BY, /* inverse of 'requires' and 'requisite' is 'required_by' */ - UNIT_REQUIRED_BY_OVERRIDABLE, /* inverse of 'soft_requires' and 'soft_requisite' is 'soft_required_by' */ + UNIT_REQUIRED_BY_OVERRIDABLE, /* inverse of 'requires_overridable' and 'requisite_overridable' is 'soft_required_by' */ UNIT_WANTED_BY, /* inverse of 'wants' */ /* Negative dependencies */ @@ -191,8 +191,8 @@ struct Meta { /* Error code when we didn't manage to load the unit (negative) */ int load_error; - /* If we go down, pull down everything that depends on us, too */ - bool recursive_stop; + /* If some required dep goes down, pull down ourselves, too */ + bool stop_retroactively; /* Garbage collect us we nobody wants or requires us anymore */ bool stop_when_unneeded; -- 2.39.5