Remove nsgroup directory when the container dies

From: Daniel Lezcano <daniel.lezcano@free.fr> Remove the nsgroup directory when the container dies, otherwise this will lead to an error when the pids number are recycled Signed-off-by: Daniel Lezcano <daniel.lezcano@free.fr> Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>

Remove nsgroup directory when the container dies
4e2121f5 · dlezcano · 80a992f7 · 4e2121f5
Commit 4e2121f5 authored Jan 18, 2009 by dlezcano
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cgroup.c src/lxc/cgroup.c +5 -0

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--- a/src/lxc/cgroup.c
+++ b/src/lxc/cgroup.c
@@ -92,8 +92,13 @@ int lxc_link_nsgroup(const char *name, pid_t pid)
 int lxc_unlink_nsgroup(const char *name)
 {
 	char nsgroup[MAXPATHLEN];
+	char path[MAXPATHLEN];

 	snprintf(nsgroup, MAXPATHLEN, LXCPATH "/%s/nsgroup", name);
+	
+	if (readlink(nsgroup, path, MAXPATHLEN) >  0)
+		rmdir(path);
+
 	return unlink(nsgroup);
 }