Theory of Signal

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Across
  1. 3. A source of signal
  2. 5. One of the signal that sent by the kernel to a process
  3. 6. Definition of signal: a notification to a _____ that event has occured
  4. 8. Signal to continue process if it is stopped
  5. 10. The return type of a user-handler function to handling signal
Down
  1. 1. One of the action taken by process when signal process
  2. 2. ctrl+c used to ______ the process
  3. 4. Signal to notify process that high-bandwidth data is available at socket
  4. 7. To allow process to be interrupted
  5. 9. The action carried out by SIG_IGN