| // +build !windows |
| |
| package sys |
| |
| import ( |
| "fmt" |
| "os" |
| "strconv" |
| |
| "github.com/opencontainers/runc/libcontainer/system" |
| ) |
| |
| // OOMScoreMaxKillable is the maximum score keeping the process killable by the oom killer |
| const OOMScoreMaxKillable = -999 |
| |
| // SetOOMScore sets the oom score for the provided pid |
| func SetOOMScore(pid, score int) error { |
| path := fmt.Sprintf("/proc/%d/oom_score_adj", pid) |
| f, err := os.OpenFile(path, os.O_WRONLY, 0) |
| if err != nil { |
| return err |
| } |
| defer f.Close() |
| if _, err = f.WriteString(strconv.Itoa(score)); err != nil { |
| if os.IsPermission(err) && system.RunningInUserNS() { |
| return nil |
| } |
| return err |
| } |
| return nil |
| } |
