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cgroup: properly determine cgroups zombie processes belong to
author
Lennart Poettering
<lennart@poettering.net>
Fri, 17 Nov 2017 18:24:06 +0000
(19:24 +0100)
committer
Sven Eden
<yamakuzure@gmx.net>
Fri, 17 Nov 2017 18:24:06 +0000
(19:24 +0100)
When a process becomes a zombie its cgroup might be deleted. Let's add
some minimal code to detect cases like this, so that we can still
attribute this back to the original cgroup.
src/basic/cgroup-util.c
patch
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diff --git
a/src/basic/cgroup-util.c
b/src/basic/cgroup-util.c
index 30bb4664fabfaa848174fb4cb870a998743bdf03..71b88f1d3b3d102e40cc26ac832cfecf939b5d12 100644
(file)
--- a/
src/basic/cgroup-util.c
+++ b/
src/basic/cgroup-util.c
@@
-1118,6
+1118,11
@@
int cg_pid_get_path(const char *controller, pid_t pid, char **path) {
if (!p)
return -ENOMEM;
+ /* Truncate suffix indicating the process is a zombie */
+ e = endswith(p, " (deleted)");
+ if (e)
+ *e = 0;
+
*path = p;
return 0;
}