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-rw-r--r--src/manager.c70
1 files changed, 59 insertions, 11 deletions
diff --git a/src/manager.c b/src/manager.c
index 9b6cbc94e0..ddb253ae4e 100644
--- a/src/manager.c
+++ b/src/manager.c
@@ -715,6 +715,20 @@ static void transaction_merge_and_delete_job(Manager *m, Job *j, Job *other, Job
other->object_list = NULL;
transaction_delete_job(m, other, true);
}
+static bool job_is_conflicted_by(Job *j) {
+ JobDependency *l;
+
+ assert(j);
+
+ /* Returns true if this job is pulled in by a least one
+ * ConflictedBy dependency. */
+
+ LIST_FOREACH(object, l, j->object_list)
+ if (l->conflicts)
+ return true;
+
+ return false;
+}
static int delete_one_unmergeable_job(Manager *m, Job *j) {
Job *k;
@@ -738,7 +752,36 @@ static int delete_one_unmergeable_job(Manager *m, Job *j) {
/* Ok, we found two that conflict, let's see if we can
* drop one of them */
- if (!j->matters_to_anchor)
+ if (!j->matters_to_anchor && !k->matters_to_anchor) {
+
+ /* Both jobs don't matter, so let's
+ * find the one that is smarter to
+ * remove. Let's think positive and
+ * rather remove stops then starts --
+ * except if something is being
+ * stopped because it is conflicted by
+ * another unit in which case we
+ * rather remove the start. */
+
+ log_debug("Looking at job %s/%s conflicted_by=%s", j->unit->meta.id, job_type_to_string(j->type), yes_no(j->type == JOB_STOP && job_is_conflicted_by(j)));
+ log_debug("Looking at job %s/%s conflicted_by=%s", k->unit->meta.id, job_type_to_string(k->type), yes_no(k->type == JOB_STOP && job_is_conflicted_by(k)));
+
+ if (j->type == JOB_STOP) {
+
+ if (job_is_conflicted_by(j))
+ d = k;
+ else
+ d = j;
+
+ } else if (k->type == JOB_STOP) {
+
+ if (job_is_conflicted_by(k))
+ d = j;
+ else
+ d = k;
+ }
+
+ } else if (!j->matters_to_anchor)
d = j;
else if (!k->matters_to_anchor)
d = k;
@@ -1324,6 +1367,7 @@ static int transaction_add_job_and_dependencies(
Job *by,
bool matters,
bool override,
+ bool conflicts,
DBusError *e,
Job **_ret) {
Job *ret;
@@ -1352,46 +1396,50 @@ static int transaction_add_job_and_dependencies(
return -ENOMEM;
/* Then, add a link to the job. */
- if (!job_dependency_new(by, ret, matters))
+ if (!job_dependency_new(by, ret, matters, conflicts))
return -ENOMEM;
if (is_new) {
/* Finally, recursively add in all dependencies. */
if (type == JOB_START || type == JOB_RELOAD_OR_START) {
SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUIRES], i)
- if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, true, override, e, NULL)) < 0 && r != -EBADR)
+ if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, true, override, false, e, NULL)) < 0 && r != -EBADR)
goto fail;
SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUIRES_OVERRIDABLE], i)
- if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, !override, override, e, NULL)) < 0 && r != -EBADR) {
+ if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, !override, override, false, e, NULL)) < 0 && r != -EBADR) {
log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->meta.id, bus_error(e, r));
dbus_error_free(e);
}
SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_WANTS], i)
- if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, false, false, e, NULL)) < 0) {
+ if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, false, false, false, e, NULL)) < 0) {
log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->meta.id, bus_error(e, r));
dbus_error_free(e);
}
SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUISITE], i)
- if ((r = transaction_add_job_and_dependencies(m, JOB_VERIFY_ACTIVE, dep, ret, true, override, e, NULL)) < 0 && r != -EBADR)
+ if ((r = transaction_add_job_and_dependencies(m, JOB_VERIFY_ACTIVE, dep, ret, true, override, false, e, NULL)) < 0 && r != -EBADR)
goto fail;
SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUISITE_OVERRIDABLE], i)
- if ((r = transaction_add_job_and_dependencies(m, JOB_VERIFY_ACTIVE, dep, ret, !override, override, e, NULL)) < 0 && r != -EBADR) {
+ if ((r = transaction_add_job_and_dependencies(m, JOB_VERIFY_ACTIVE, dep, ret, !override, override, false, e, NULL)) < 0 && r != -EBADR) {
log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->meta.id, bus_error(e, r));
dbus_error_free(e);
}
SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_CONFLICTS], i)
- if ((r = transaction_add_job_and_dependencies(m, JOB_STOP, dep, ret, true, override, e, NULL)) < 0 && r != -EBADR)
+ if ((r = transaction_add_job_and_dependencies(m, JOB_STOP, dep, ret, true, override, true, e, NULL)) < 0 && r != -EBADR)
+ goto fail;
+
+ SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_CONFLICTED_BY], i)
+ if ((r = transaction_add_job_and_dependencies(m, JOB_STOP, dep, ret, true, override, false, e, NULL)) < 0 && r != -EBADR)
goto fail;
} else if (type == JOB_STOP || type == JOB_RESTART || type == JOB_TRY_RESTART) {
SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUIRED_BY], i)
- if ((r = transaction_add_job_and_dependencies(m, type, dep, ret, true, override, e, NULL)) < 0 && r != -EBADR)
+ if ((r = transaction_add_job_and_dependencies(m, type, dep, ret, true, override, false, e, NULL)) < 0 && r != -EBADR)
goto fail;
}
@@ -1432,7 +1480,7 @@ static int transaction_add_isolate_jobs(Manager *m) {
if (hashmap_get(m->transaction_jobs, u))
continue;
- if ((r = transaction_add_job_and_dependencies(m, JOB_STOP, u, NULL, true, false, NULL, NULL)) < 0)
+ if ((r = transaction_add_job_and_dependencies(m, JOB_STOP, u, NULL, true, false, false, NULL, NULL)) < 0)
log_warning("Cannot add isolate job for unit %s, ignoring: %s", u->meta.id, strerror(-r));
}
@@ -1455,7 +1503,7 @@ int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, bool ove
log_debug("Trying to enqueue job %s/%s", unit->meta.id, job_type_to_string(type));
- if ((r = transaction_add_job_and_dependencies(m, type, unit, NULL, true, override, e, &ret)) < 0) {
+ if ((r = transaction_add_job_and_dependencies(m, type, unit, NULL, true, override, false, e, &ret)) < 0) {
transaction_abort(m);
return r;
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-08-16 04:53:42 +0000