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Merge pull request #2282 from kolyshkin/cgroupv2-getpaths 

libct/isPaused: don't use GetPaths from v2 code
This commit is contained in:
Mrunal Patel 2020-04-01 17:35:48 -07:00 committed by GitHub
parent 9ec5b03e5a 8d7977ee6e
commit 22a2c9a4bf
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 17 additions and 8 deletions
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25
libcontainer/container_linux.go
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@ -1822,14 +1822,23 @@ func (c *linuxContainer) runType() Status {
}
func (c *linuxContainer) isPaused() (bool, error) {
fcg := c.cgroupManager.GetPaths()["freezer"]
if fcg == "" {
// A container doesn't have a freezer cgroup
return false, nil
}
pausedState := "FROZEN"
filename := "freezer.state"
if cgroups.IsCgroup2UnifiedMode() {
var fcg, filename, pausedState string
if !cgroups.IsCgroup2UnifiedMode() {
fcg = c.cgroupManager.GetPaths()["freezer"]
if fcg == "" {
// A container doesn't have a freezer cgroup
return false, nil
}
filename = "freezer.state"
pausedState = "FROZEN"
} else {
var err error
fcg, err = c.cgroupManager.GetUnifiedPath()
if err != nil {
// should not happen
return false, err
}
filename = "cgroup.freeze"
pausedState = "1"
}