cgroups: add check for lxc.cgroup.use

Closes #870.

Signed-off-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com>
This commit is contained in:
Marcos Paulo de Souza 2018-02-07 23:55:13 -02:00 committed by Christian Brauner
parent ff5976cd54
commit 9ea09fb48b
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@ -26,6 +26,7 @@
#include "cgroup.h"
#include "conf.h"
#include "initutils.h"
#include "log.h"
#include "start.h"
@ -246,9 +247,14 @@ void prune_init_scope(char *cg)
* is not mounted then it will be ignored. But if systemd is mounted, then it
* must be setup so that lxc can create cgroups in it, else containers will
* fail.
*
* cgroups listed in lxc.cgroup.use are also treated as crucial
*
*/
bool is_crucial_cgroup_subsystem(const char *s)
{
const char *cgroup_use;
if (strcmp(s, "systemd") == 0)
return true;
@ -258,5 +264,9 @@ bool is_crucial_cgroup_subsystem(const char *s)
if (strcmp(s, "freezer") == 0)
return true;
cgroup_use = lxc_global_config_value("lxc.cgroup.use");
if (cgroup_use && strstr(cgroup_use, s))
return true;
return false;
}