Filter and Port monitor execution order

[keens312]

Hi Michael,

I made a test on our non-raster CUPS drver:
1. Both my filter and port monitor add sleep and create a file at tmp folder
2. Check the files timestamp, found that the port monitor created the file at first, then the filter.

I feel like port monitor is running before the filter.
But CUPS log shows filter was launched at first, then the port monitor.

Could you please help to confirm which one get the chance to run at first?

Thanks
Keene