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authorLennart Poettering <lennart@poettering.net>2013-11-06 02:03:04 +0100
committerLennart Poettering <lennart@poettering.net>2013-11-06 02:31:35 +0100
commitd3e84ddb885e9d5f0ae9930eb905910e3a81f157 (patch)
tree06f15d176ed35af4b825e901e73d8c8629473963 /src/login/logind-core.c
parentcd6f997f71c3aba16aa08226d423d14cbc787f82 (diff)
machined: keep track of the initial leader PID of a machine
This way we can without races always determine the machine for a leader PID. This allows machine managers to query the machine for a forked off container/VM without a race where the child might already have died before we could read the cgroup information from /proc/$PID/cgroup.
Diffstat (limited to 'src/login/logind-core.c')
-rw-r--r--src/login/logind-core.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/login/logind-core.c b/src/login/logind-core.c
index 6506f22f36..9c31bf8a80 100644
--- a/src/login/logind-core.c
+++ b/src/login/logind-core.c
@@ -348,7 +348,7 @@ int manager_get_session_by_pid(Manager *m, pid_t pid, Session **session) {
r = cg_pid_get_unit(pid, &unit);
if (r < 0)
- return r;
+ return 0;
s = hashmap_get(m->session_units, unit);
if (!s)
@@ -371,7 +371,7 @@ int manager_get_user_by_pid(Manager *m, pid_t pid, User **user) {
r = cg_pid_get_slice(pid, &unit);
if (r < 0)
- return r;
+ return 0;
u = hashmap_get(m->user_units, unit);
if (!u)