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Merge pull request #13101 from bharaththiruveedula/13092-remove-unwanted-locks

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Removing extra locks for Pause and Unpause functions
This commit is contained in:
Alexander Morozov 2015-05-11 10:54:39 -07:00
commit 5e063326a3
2 changed files with 29 additions and 23 deletions
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36
daemon/container.go
View file

@ -767,23 +767,45 @@ func (container *Container) killPossiblyDeadProcess(sig int) error {
}
func (container *Container) Pause() error {
if container.IsPaused() {
container.Lock()
defer container.Unlock()
// We cannot Pause the container which is already paused
if container.Paused {
return fmt.Errorf("Container %s is already paused", container.ID)
}
if !container.IsRunning() {
// We cannot Pause the container which is not running
if !container.Running {
return fmt.Errorf("Container %s is not running", container.ID)
}
return container.daemon.Pause(container)
if err := container.daemon.execDriver.Pause(container.command); err != nil {
return err
}
container.Paused = true
return nil
}
func (container *Container) Unpause() error {
if !container.IsPaused() {
return fmt.Errorf("Container %s is not paused", container.ID)
container.Lock()
defer container.Unlock()
// We cannot unpause the container which is not paused
if !container.Paused {
return fmt.Errorf("Container %s is not paused, so what", container.ID)
}
if !container.IsRunning() {
// We cannot unpause the container which is not running
if !container.Running {
return fmt.Errorf("Container %s is not running", container.ID)
}
return container.daemon.Unpause(container)
if err := container.daemon.execDriver.Unpause(container.command); err != nil {
return err
}
container.Paused = false
return nil
}
func (container *Container) Kill() error {

16
daemon/daemon.go
View file

@ -1004,22 +1004,6 @@ func (daemon *Daemon) Run(c *Container, pipes *execdriver.Pipes, startCallback e
return daemon.execDriver.Run(c.command, pipes, startCallback)
}
func (daemon *Daemon) Pause(c *Container) error {
if err := daemon.execDriver.Pause(c.command); err != nil {
return err
}
c.SetPaused()
return nil
}
func (daemon *Daemon) Unpause(c *Container) error {
if err := daemon.execDriver.Unpause(c.command); err != nil {
return err
}
c.SetUnpaused()
return nil
}
func (daemon *Daemon) Kill(c *Container, sig int) error {
return daemon.execDriver.Kill(c.command, sig)
}