[systemd-devel] [PATCH] Propagate reload from RELOADING=1 notifications

[Jouke Witteveen]

---

This fixes #87251

 src/core/manager.c | 42 ++++++++++++++++++++++++++++++++++++++++++
 src/core/manager.h |  1 +
 src/core/service.c |  7 +++++++
 3 files changed, 50 insertions(+)

diff --git a/src/core/manager.c b/src/core/manager.c
index 9705e64..11cca17 100644
--- a/src/core/manager.c
+++ b/src/core/manager.c
@@ -1226,6 +1226,48 @@ int manager_add_job_by_name(Manager *m, JobType type, 
const char *name, JobMode
         return manager_add_job(m, type, unit, mode, override, e, _ret);
 }
 
+int manager_propagate_reload(Manager *m, Unit *unit, JobMode mode, bool 
override, sd_bus_error *e) {
+        int r;
+        Transaction *tr;
+        Iterator i;
+        Unit *dep;
+
+
+        assert(m);
+        assert(unit);
+        assert(mode < _JOB_MODE_MAX);
+
+        tr = transaction_new(mode == JOB_REPLACE_IRREVERSIBLY);
+        if (!tr)
+                return -ENOMEM;
+
+        SET_FOREACH(dep, unit->dependencies[UNIT_PROPAGATES_RELOAD_TO], i) {
+                r = transaction_add_job_and_dependencies(tr, JOB_RELOAD, dep, 
NULL, false, override, false, false, mode == JOB_IGNORE_DEPENDENCIES, e);
+                if (r < 0) {
+                        log_unit_warning(dep->id,
+                                         "Cannot add dependency reload job for 
unit %s, ignoring: %s",
+                                         dep->id, bus_error_message(e, r));
+
+                        if (e)
+                                sd_bus_error_free(e);
+
+                        goto tr_abort;
+                }
+        }
+
+        r = transaction_activate(tr, m, mode, e);
+        if (r < 0)
+                goto tr_abort;
+
+        transaction_free(tr);
+        return 0;
+
+tr_abort:
+        transaction_abort(tr);
+        transaction_free(tr);
+        return r;
+}
+
 Job *manager_get_job(Manager *m, uint32_t id) {
         assert(m);
 
diff --git a/src/core/manager.h b/src/core/manager.h
index ab75f90..bc11f87 100644
--- a/src/core/manager.h
+++ b/src/core/manager.h
@@ -316,6 +316,7 @@ int manager_load_unit_from_dbus_path(Manager *m, const char 
*s, sd_bus_error *e,
 
 int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, bool 
force, sd_bus_error *e, Job **_ret);
 int manager_add_job_by_name(Manager *m, JobType type, const char *name, 
JobMode mode, bool force, sd_bus_error *e, Job **_ret);
+int manager_propagate_reload(Manager *m, Unit *unit, JobMode mode, bool force, 
sd_bus_error *e);
 
 void manager_dump_units(Manager *s, FILE *f, const char *prefix);
 void manager_dump_jobs(Manager *s, FILE *f, const char *prefix);
diff --git a/src/core/service.c b/src/core/service.c
index bfbe959..71c7bf6 100644
--- a/src/core/service.c
+++ b/src/core/service.c
@@ -1496,11 +1496,18 @@ fail:
 }
 
 static void service_enter_reload_by_notify(Service *s) {
+        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+        int r;
+
         assert(s);
 
         if (s->timeout_start_usec > 0)
                 service_arm_timer(s, s->timeout_start_usec);
 
+        r = manager_propagate_reload(UNIT(s)->manager, UNIT(s), JOB_REPLACE, 
false, &error);
+        if(r < 0)
+                log_unit_warning(UNIT(s)->id, "%s failed to schedule 
propagation of reload: %s", UNIT(s)->id, bus_error_message(&error, -r));
+
         service_set_state(s, SERVICE_RELOAD);
 }
 
-- 
2.2.1

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