Joakim Fors 6b3f557b1f Gracefully handle signals from Docker or terminal ...

Start Xvfb wrapper in background and wait for the process to complete.
Because wait exits immediately when a signal for which a trap has been
set, and the signal handler is executed directly after that, we need to
wait again for the background processes to actually finish before exiting.

The signal handler catches INT and TERM and forwards them to the node
process.

The return value from the first wait is stored and sent as exit value.

2020-12-04 20:57:06 +01:00

519 B

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