Merge pull request #79 from crosbymichael/load-none

dmcgowan · web-flow · commit 4994991857f9 · 2019-03-28T15:33:00.000-07:00
Return ErrCgroupDeleted when no subsystems
diff --git a/cgroup.go b/cgroup.go
@@ -105,6 +105,10 @@ func Load(hierarchy Hierarchy, path Path, opts ...InitOpts) (Cgroup, error) {
 		}
 		activeSubsystems = append(activeSubsystems, s)
 	}
+	// if we do not have any active systems then the cgroup is deleted
+	if len(activeSubsystems) == 0 {
+		return nil, ErrCgroupDeleted
+	}
 	return &cgroup{
 		path:       path,
 		subsystems: activeSubsystems,

Original file line number	Diff line number	Diff line change
`@@ -105,6 +105,10 @@ func Load(hierarchy Hierarchy, path Path, opts ...InitOpts) (Cgroup, error) {`
`105`	`105`	`}`
`106`	`106`	`activeSubsystems = append(activeSubsystems, s)`
`107`	`107`	`}`
	`108`	`+ // if we do not have any active systems then the cgroup is deleted`
	`109`	`+ if len(activeSubsystems) == 0 {`
	`110`	`+ return nil, ErrCgroupDeleted`
	`111`	`+ }`
`108`	`112`	`return &cgroup{`
`109`	`113`	`path: path,`
`110`	`114`	`subsystems: activeSubsystems,`