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Add ability to signal container not just processes

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Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
This commit is contained in:
Michael Crosby 2015-12-04 14:10:50 -08:00
parent 9eb08b8971
commit b5931855a4
5 changed files with 24 additions and 1 deletions
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9
linux/linux.go
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@ -225,7 +225,14 @@ func (c *libcontainerContainer) getCheckpointPath(name string) string {
func (c *libcontainerContainer) Checkpoint(cp runtime.Checkpoint) error {
opts := c.createCheckpointOpts(cp)
if err := os.MkdirAll(opts.ImagesDirectory, 0755); err != nil {
if err := os.MkdirAll(filepath.Dir(opts.ImagesDirectory), 0755); err != nil {
return err
}
// mkdir is atomic so if it already exists we can fail
if err := os.Mkdir(opts.ImagesDirectory, 0755); err != nil {
if os.IsExist(err) {
return runtime.ErrCheckpointExists
}
return err
}
if err := c.c.Checkpoint(opts); err != nil {