// killProcessOnCancel waits for a cancel request.
// If a cancel request is received, this method kills the underlying
// process of the command. This will unblock the command.Wait() call.
// If the task completed successfully this method returns with no action.
func killProcessOnCancel(log log.T, command *exec.Cmd, cancelFlag task.CancelFlag) {
cancelFlag.Wait()
if cancelFlag.Canceled() {
log.Debug("Process cancelled. Attempting to stop process.")
// task has been asked to cancel, kill process
if err := killProcess(command.Process); err != nil {
log.Error(err)
return
}
log.Debug("Process stopped successfully.")
}
}
