()
| 22 | }; |
| 23 | |
| 24 | start() { |
| 25 | if (this._started) { |
| 26 | return; |
| 27 | } |
| 28 | this._started = true; |
| 29 | // Prepend sigint newListener to remove stop watchdog before signal wrap |
| 30 | // been activated. Also make sigint removeListener been ran after signal |
| 31 | // wrap been stopped. |
| 32 | process.prependListener('newListener', this._onNewListener); |
| 33 | process.addListener('removeListener', this._onRemoveListener); |
| 34 | |
| 35 | if (process.listenerCount('SIGINT') === 0) { |
| 36 | super.start(); |
| 37 | this._effective = true; |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | stop() { |
| 42 | if (!this._started) { |
no test coverage detected