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authorLennart Poettering <lennart@poettering.net>2015-01-07 22:08:25 +0100
committerLennart Poettering <lennart@poettering.net>2015-01-07 23:44:08 +0100
commit8545f7ceaa57734236e54614897d40b673a16795 (patch)
tree9771fe28864af61640ff1bf5340431b5867b8099 /src
parentb02cb41c78c61c27bf1432e19f241a3c3d47a419 (diff)
service: automatically create After= dependency from services to their .busname units, if BusName= is set
Diffstat (limited to 'src')
-rw-r--r--src/core/service.c111
1 files changed, 65 insertions, 46 deletions
diff --git a/src/core/service.c b/src/core/service.c
index 26b9b56371..120510c6c1 100644
--- a/src/core/service.c
+++ b/src/core/service.c
@@ -495,8 +495,7 @@ static int service_add_default_dependencies(Service *s) {
return r;
/* Second, activate normal shutdown */
- r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true);
- return r;
+ return unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true);
}
static void service_fix_output(Service *s) {
@@ -517,6 +516,67 @@ static void service_fix_output(Service *s) {
s->exec_context.std_output = UNIT(s)->manager->default_std_output;
}
+static int service_add_extras(Service *s) {
+ int r;
+
+ assert(s);
+
+ if (s->type == _SERVICE_TYPE_INVALID) {
+ /* Figure out a type automatically */
+ if (s->bus_name)
+ s->type = SERVICE_DBUS;
+ else if (s->exec_command[SERVICE_EXEC_START])
+ s->type = SERVICE_SIMPLE;
+ else
+ s->type = SERVICE_ONESHOT;
+ }
+
+ /* Oneshot services have disabled start timeout by default */
+ if (s->type == SERVICE_ONESHOT && !s->start_timeout_defined)
+ s->timeout_start_usec = 0;
+
+ service_fix_output(s);
+
+ r = unit_patch_contexts(UNIT(s));
+ if (r < 0)
+ return r;
+
+ r = unit_add_exec_dependencies(UNIT(s), &s->exec_context);
+ if (r < 0)
+ return r;
+
+ r = unit_add_default_slice(UNIT(s), &s->cgroup_context);
+ if (r < 0)
+ return r;
+
+ if (s->type == SERVICE_NOTIFY && s->notify_access == NOTIFY_NONE)
+ s->notify_access = NOTIFY_MAIN;
+
+ if (s->watchdog_usec > 0 && s->notify_access == NOTIFY_NONE)
+ s->notify_access = NOTIFY_MAIN;
+
+ if (s->bus_name) {
+ const char *n;
+
+ r = unit_watch_bus_name(UNIT(s), s->bus_name);
+ if (r < 0)
+ return r;
+
+ n = strappenda(s->bus_name, ".busname");
+ r = unit_add_dependency_by_name(UNIT(s), UNIT_AFTER, n, NULL, true);
+ if (r < 0)
+ return r;
+ }
+
+ if (UNIT(s)->default_dependencies) {
+ r = service_add_default_dependencies(s);
+ if (r < 0)
+ return r;
+ }
+
+ return 0;
+}
+
static int service_load(Unit *u) {
Service *s = SERVICE(u);
int r;
@@ -541,52 +601,11 @@ static int service_load(Unit *u) {
if (r < 0)
return r;
- if (s->type == _SERVICE_TYPE_INVALID) {
- /* Figure out a type automatically */
- if (s->bus_name)
- s->type = SERVICE_DBUS;
- else if (s->exec_command[SERVICE_EXEC_START])
- s->type = SERVICE_SIMPLE;
- else
- s->type = SERVICE_ONESHOT;
- }
-
- /* Oneshot services have disabled start timeout by default */
- if (s->type == SERVICE_ONESHOT && !s->start_timeout_defined)
- s->timeout_start_usec = 0;
-
- service_fix_output(s);
-
- r = unit_patch_contexts(u);
- if (r < 0)
- return r;
-
- r = unit_add_exec_dependencies(u, &s->exec_context);
+ /* This is a new unit? Then let's add in some
+ * extras */
+ r = service_add_extras(s);
if (r < 0)
return r;
-
- r = unit_add_default_slice(u, &s->cgroup_context);
- if (r < 0)
- return r;
-
- if (s->type == SERVICE_NOTIFY && s->notify_access == NOTIFY_NONE)
- s->notify_access = NOTIFY_MAIN;
-
- if (s->watchdog_usec > 0 && s->notify_access == NOTIFY_NONE)
- s->notify_access = NOTIFY_MAIN;
-
- if (s->bus_name) {
- r = unit_watch_bus_name(u, s->bus_name);
- if (r < 0)
- return r;
- }
-
- if (u->default_dependencies) {
- r = service_add_default_dependencies(s);
- if (r < 0)
-
- return r;
- }
}
return service_verify(s);