moby/daemon/kill.go
David Calavera 621e3d8587 Keep backwards compatibility in kill api.
Return an error when the container is stopped only in api versions
equal or greater than 1.20 (docker 1.8).

Signed-off-by: David Calavera <david.calavera@gmail.com>
2015-07-28 12:25:36 -07:00

27 lines
731 B
Go

package daemon
import "syscall"
// ContainerKill send signal to the container
// If no signal is given (sig 0), then Kill with SIGKILL and wait
// for the container to exit.
// If a signal is given, then just send it to the container and return.
func (daemon *Daemon) ContainerKill(name string, sig uint64) error {
container, err := daemon.Get(name)
if err != nil {
return err
}
// If no signal is passed, or SIGKILL, perform regular Kill (SIGKILL + wait())
if sig == 0 || syscall.Signal(sig) == syscall.SIGKILL {
if err := container.Kill(); err != nil {
return err
}
} else {
// Otherwise, just send the requested signal
if err := container.KillSig(int(sig)); err != nil {
return err
}
}
return nil
}