diff options
Diffstat (limited to 'runsc/sandbox/sandbox.go')
| -rw-r--r-- | runsc/sandbox/sandbox.go | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/runsc/sandbox/sandbox.go b/runsc/sandbox/sandbox.go index 084d79d06..3f00eba94 100644 --- a/runsc/sandbox/sandbox.go +++ b/runsc/sandbox/sandbox.go @@ -612,17 +612,23 @@ func (s *Sandbox) waitForCreated(timeout time.Duration) error { func (s *Sandbox) Wait(cid string) (syscall.WaitStatus, error) { log.Debugf("Waiting for container %q in sandbox %q", cid, s.ID) var ws syscall.WaitStatus - conn, err := s.sandboxConnect() - if err != nil { - return ws, err - } - defer conn.Close() - // First try the Wait RPC to the sandbox. - if err := conn.Call(boot.ContainerWait, &cid, &ws); err == nil { - return ws, nil + if conn, err := s.sandboxConnect(); err != nil { + // The sandbox may have exited while before we had a chance to + // wait on it. + log.Warningf("Wait on container %q failed: %v. Will try waiting on the sandbox process instead.", cid, err) + } else { + defer conn.Close() + // Try the Wait RPC to the sandbox. + err = conn.Call(boot.ContainerWait, &cid, &ws) + if err == nil { + // It worked! + return ws, nil + } + // The sandbox may have exited after we connected, but before + // or during the Wait RPC. + log.Warningf("Wait RPC to container %q failed: %v. Will try waiting on the sandbox process instead.", cid, err) } - log.Warningf("Wait RPC to container %q failed: %v. Will try waiting on the sandbox process instead.", cid, err) // The sandbox may have already exited, or exited while handling the // Wait RPC. The best we can do is ask Linux what the sandbox exit |