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moby--moby/daemon/unpause.go
David Calavera ca5ede2d0a Decouple daemon and container to log events.
Create a supervisor interface to let the container monitor to emit events.

Signed-off-by: David Calavera <david.calavera@gmail.com>
2015-11-04 12:27:48 -05:00

43 lines
1 KiB
Go

package daemon
import (
derr "github.com/docker/docker/errors"
)
// ContainerUnpause unpauses a container
func (daemon *Daemon) ContainerUnpause(name string) error {
container, err := daemon.Get(name)
if err != nil {
return err
}
if err := daemon.containerUnpause(container); err != nil {
return derr.ErrorCodeCantUnpause.WithArgs(name, err)
}
return nil
}
// containerUnpause resumes the container execution after the container is paused.
func (daemon *Daemon) containerUnpause(container *Container) error {
container.Lock()
defer container.Unlock()
// We cannot unpause the container which is not running
if !container.Running {
return derr.ErrorCodeNotRunning.WithArgs(container.ID)
}
// We cannot unpause the container which is not paused
if !container.Paused {
return derr.ErrorCodeNotPaused.WithArgs(container.ID)
}
if err := daemon.execDriver.Unpause(container.command); err != nil {
return err
}
container.Paused = false
daemon.LogContainerEvent(container, "unpause")
return nil
}