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utils: export MoveUnderCgroup

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Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
This commit is contained in:
Giuseppe Scrivano
2023-09-08 11:13:50 +02:00
parent 556db46a68
commit 9a347619d8
1 changed files with 4 additions and 4 deletions
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8
utils/utils_supported.go
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@ -47,7 +47,7 @@ func RunUnderSystemdScope(pid int, slice string, unitName string) error {
// On errors check if the cgroup already exists, if it does move the process there
if props, err := conn.GetUnitTypePropertiesContext(context.Background(), unitName, "Scope"); err == nil {
if cgroup, ok := props["ControlGroup"].(string); ok && cgroup != "" {
if err := moveUnderCgroup(cgroup, "", []uint32{uint32(pid)}); err == nil {
if err := MoveUnderCgroup(cgroup, "", []uint32{uint32(pid)}); err == nil {
return nil
}
// On errors return the original error message we got from StartTransientUnit.
@ -107,13 +107,13 @@ func GetCgroupProcess(pid int) (string, error) {
// MoveUnderCgroupSubtree moves the PID under a cgroup subtree.
func MoveUnderCgroupSubtree(subtree string) error {
return moveUnderCgroup("", subtree, nil)
return MoveUnderCgroup("", subtree, nil)
}
// moveUnderCgroup moves a group of processes to a new cgroup.
// MoveUnderCgroup moves a group of processes to a new cgroup.
// If cgroup is the empty string, then the current calling process cgroup is used.
// If processes is empty, then the processes from the current cgroup are moved.
func moveUnderCgroup(cgroup, subtree string, processes []uint32) error {
func MoveUnderCgroup(cgroup, subtree string, processes []uint32) error {
procFile := "/proc/self/cgroup"
f, err := os.Open(procFile)
if err != nil {