diff options
Diffstat (limited to 'runsc/container/container.go')
| -rw-r--r-- | runsc/container/container.go | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/runsc/container/container.go b/runsc/container/container.go index 40c31ca7f..dc7fccdee 100644 --- a/runsc/container/container.go +++ b/runsc/container/container.go @@ -316,7 +316,7 @@ func (c *Container) Event() (*boot.Event, error) { // Pid returns the Pid of the sandbox the container is running in, or -1 if the // container is not running. func (c *Container) Pid() int { - if c.Status != Running && c.Status != Created { + if c.Status != Running && c.Status != Created && c.Status != Paused { return -1 } return c.Sandbox.Pid @@ -349,6 +349,23 @@ func (c *Container) Checkpoint(f *os.File) error { return c.Sandbox.Checkpoint(c.ID, f) } +// Pause suspends the container and its kernel. +// The call only succeeds if the container's status is created or running. +func (c *Container) Pause() error { + log.Debugf("Pausing container %q", c.ID) + switch c.Status { + case Created, Running: + if err := c.Sandbox.Pause(c.ID); err != nil { + return fmt.Errorf("error pausing container: %v", err) + } + c.Status = Paused + return c.save() + default: + log.Warningf("container %q not created or running, not pausing", c.ID) + return nil + } +} + // State returns the metadata of the container. func (c *Container) State() specs.State { return specs.State{ |