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vircgroup: introduce virCgroupV2HasEmptyTasks 

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
This commit is contained in:
Pavel Hrdina 2018-08-17 16:49:57 +02:00
parent 48572f8825
commit 38411bb831
1 changed files with 17 additions and 0 deletions
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17
src/util/vircgroupv2.c
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@ -445,6 +445,22 @@ virCgroupV2AddTask(virCgroupPtr group,
}
static int
virCgroupV2HasEmptyTasks(virCgroupPtr cgroup,
int controller)
{
int ret = -1;
VIR_AUTOFREE(char *) content = NULL;
ret = virCgroupGetValueStr(cgroup, controller, "cgroup.procs", &content);
if (ret == 0 && content[0] == '\0')
ret = 1;
return ret;
}
virCgroupBackend virCgroupV2Backend = {
.type = VIR_CGROUP_BACKEND_TYPE_V2,
@ -463,6 +479,7 @@ virCgroupBackend virCgroupV2Backend = {
.makeGroup = virCgroupV2MakeGroup,
.remove = virCgroupV2Remove,
.addTask = virCgroupV2AddTask,
.hasEmptyTasks = virCgroupV2HasEmptyTasks,
};