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Don't rejoin the cgroup each time

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Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
This commit is contained in:
Michael Crosby 2014-06-03 15:15:11 -07:00
parent 2616e87cad
commit 82ec5cb036
1 changed files with 8 additions and 6 deletions
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14
libcontainer/cgroups/fs/freezer.go
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@ -12,18 +12,20 @@ type freezerGroup struct {
} }
func (s *freezerGroup) Set(d *data) error { func (s *freezerGroup) Set(d *data) error {
dir, err := d.join("freezer") switch d.c.Freezer {
if err != nil { case cgroups.Frozen, cgroups.Thawed:
if err != cgroups.ErrNotFound { dir, err := d.path("freezer")
if err != nil {
return err return err
} }
return nil
}
if d.c.Freezer != cgroups.Undefined {
if err := writeFile(dir, "freezer.state", string(d.c.Freezer)); err != nil { if err := writeFile(dir, "freezer.state", string(d.c.Freezer)); err != nil {
return err return err
} }
default:
if _, err := d.join("freezer"); err != nil && err != cgroups.ErrNotFound {
return err
}
} }
return nil return nil