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moby--moby/libcontainerd/client_shutdownrestore_linux.go

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// +build !experimental
package libcontainerd
import (
"syscall"
"time"
"github.com/Sirupsen/logrus"
)
func (clnt *client) Restore(containerID string, options ...CreateOption) error {
w := clnt.getOrCreateExitNotifier(containerID)
defer w.close()
cont, err := clnt.getContainerdContainer(containerID)
if err == nil && cont.Status != "stopped" {
clnt.lock(cont.Id)
container := clnt.newContainer(cont.BundlePath)
container.systemPid = systemPid(cont)
clnt.appendContainer(container)
clnt.unlock(cont.Id)
if err := clnt.Signal(containerID, int(syscall.SIGTERM)); err != nil {
logrus.Errorf("error sending sigterm to %v: %v", containerID, err)
}
select {
case <-time.After(10 * time.Second):
if err := clnt.Signal(containerID, int(syscall.SIGKILL)); err != nil {
logrus.Errorf("error sending sigkill to %v: %v", containerID, err)
}
select {
case <-time.After(2 * time.Second):
case <-w.wait():
return nil
}
case <-w.wait():
return nil
}
}
return clnt.setExited(containerID)
}