path: root/src/cgroups-agent/cgroups-agent.c
diff options
authorSven Eden <>2017-02-10 14:09:39 +0100
committerSven Eden <>2017-03-14 10:23:13 +0100
commit9eb822a5a6b67eb82909f0d68213afbfcee6e93e (patch)
tree2a1ef0029f5d480065b62a3e72309b553b327d8a /src/cgroups-agent/cgroups-agent.c
parent2055a4de39bdf062645a7a58b50aae029df80857 (diff)
Classify processes from sessions into cgroups
Create a private cgroup tree associated with no controllers, and use it to map PIDs to sessions. Since we use our own path structure, remove internal cgroup-related helpers that interpret the cgroup path structure to pull out users, slices, and scopes.
Diffstat (limited to 'src/cgroups-agent/cgroups-agent.c')
1 files changed, 19 insertions, 0 deletions
diff --git a/src/cgroups-agent/cgroups-agent.c b/src/cgroups-agent/cgroups-agent.c
index 612bc8fde..47a526b87 100644
--- a/src/cgroups-agent/cgroups-agent.c
+++ b/src/cgroups-agent/cgroups-agent.c
@@ -38,17 +38,32 @@ int main(int argc, char *argv[]) {
+#if 0
/* We send this event to the private D-Bus socket and then the
* system instance will forward this to the system bus. We do
* this to avoid an activation loop when we start dbus when we
* are called when the dbus service is shut down. */
r = bus_open_system_systemd(&bus);
+ /* Unlike in systemd where this has to use a private socket,
+ since elogind doesn't associate control groups with services
+ and doesn't manage the dbus service, we can just use the
+ system bus. */
+ r = sd_bus_open_system(&bus);
+#endif // 0
if (r < 0) {
+#if 0
/* If we couldn't connect we assume this was triggered
* while systemd got restarted/transitioned from
* initrd to the system, so let's ignore this */
log_debug_errno(r, "Failed to get D-Bus connection: %m");
+ /* If dbus isn't running or responding, there is nothing
+ * we can do about it. */
+ log_debug_errno(r, "Failed to open system bus: %m");
@@ -58,7 +73,11 @@ int main(int argc, char *argv[]) {
"s", argv[1]);
if (r < 0) {
+#if 0
log_debug_errno(r, "Failed to send signal message on private connection: %m");
+ log_debug_errno(r, "Failed to send signal message: %m");