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Merge pull request #12464 from giuseppe/fix-race-reading-cgroup-file 

container, cgroup: detect pid termination
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OpenShift Merge Robot 2021-12-01 20:59:10 +01:00 committed by GitHub
parent 078e633294 0afaf78378
commit ecc663097a
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1 changed files with 5 additions and 0 deletions
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5
libpod/container.go
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@ -939,6 +939,11 @@ func (c *Container) cGroupPath() (string, error) {
procPath := fmt.Sprintf("/proc/%d/cgroup", c.state.PID)
lines, err := ioutil.ReadFile(procPath)
if err != nil {
// If the file doesn't exist, it means the container could have been terminated
// so report it.
if os.IsNotExist(err) {
return "", errors.Wrapf(define.ErrCtrStopped, "cannot get cgroup path unless container %s is running", c.ID())
}
return "", err
}