31 lines
752 B
Go
31 lines
752 B
Go
package libcontainerd
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import (
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"fmt"
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"os"
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"strconv"
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"github.com/opencontainers/runc/libcontainer/system"
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"github.com/sirupsen/logrus"
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)
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func setOOMScore(pid, score int) error {
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oomScoreAdjPath := fmt.Sprintf("/proc/%d/oom_score_adj", pid)
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f, err := os.OpenFile(oomScoreAdjPath, os.O_WRONLY, 0)
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if err != nil {
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return err
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}
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stringScore := strconv.Itoa(score)
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_, err = f.WriteString(stringScore)
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f.Close()
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if os.IsPermission(err) {
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// Setting oom_score_adj does not work in an
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// unprivileged container. Ignore the error, but log
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// it if we appear not to be in that situation.
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if !system.RunningInUserNS() {
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logrus.Debugf("Permission denied writing %q to %s", stringScore, oomScoreAdjPath)
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}
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return nil
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}
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return err
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}
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