When looking for the machine belonging to a PID, always look for the
leader first, only then fall back to a cgroup check. We keep direct
track of the leader PID, but only indirectly of the cgroup, hence prefer
the PID.
}
int manager_get_machine_by_pid(Manager *m, pid_t pid, Machine **machine) {
- _cleanup_free_ char *unit = NULL;
Machine *mm;
int r;
assert(pid >= 1);
assert(machine);
- r = cg_pid_get_unit(pid, &unit);
- if (r < 0)
- mm = hashmap_get(m->machine_leaders, UINT_TO_PTR(pid));
- else
- mm = hashmap_get(m->machine_units, unit);
+ mm = hashmap_get(m->machine_leaders, UINT_TO_PTR(pid));
+ if (!mm) {
+ _cleanup_free_ char *unit = NULL;
+ r = cg_pid_get_unit(pid, &unit);
+ if (r >= 0)
+ mm = hashmap_get(m->machine_units, unit);
+ }
if (!mm)
return 0;