- delete(runningCmds, uuid)
- runningCmdsMutex.Unlock()
- }()
-
- log.Printf("Starting container %v", uuid)
-
- updateState(uuid, "Running")
+ if err := startCmd(container, cmd); err != nil {
+ runningCmdsMutex.Unlock()
+ log.Printf("Error starting %v for %v: %q", *crunchRunCommand, uuid, err)
+ dispatcher.UpdateState(uuid, dispatch.Cancelled)
+ } else {
+ runningCmds[uuid] = cmd
+ runningCmdsMutex.Unlock()
+
+ // Need to wait for crunch-run to exit
+ done := make(chan struct{})
+
+ go func() {
+ if _, err := cmd.Process.Wait(); err != nil {
+ log.Printf("Error while waiting for crunch job to finish for %v: %q", uuid, err)
+ }
+ log.Printf("sending done")
+ done <- struct{}{}
+ }()
+
+ Loop:
+ for {
+ select {
+ case <-done:
+ break Loop
+ case c := <-status:
+ // Interrupt the child process if priority changes to 0
+ if (c.State == dispatch.Locked || c.State == dispatch.Running) && c.Priority == 0 {
+ log.Printf("Sending SIGINT to pid %d to cancel container %v", cmd.Process.Pid, uuid)
+ cmd.Process.Signal(os.Interrupt)
+ }
+ }
+ }
+ close(done)