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async.c

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    • Robert Haas's avatar
      090d0f20
      Allow discovery of whether a dynamic background worker is running. · 090d0f20
      Robert Haas authored 
      Using the infrastructure provided by this patch, it's possible either
to wait for the startup of a dynamically-registered background worker,
or to poll the status of such a worker without waiting.  In either
case, the current PID of the worker process can also be obtained.
As usual, worker_spi is updated to demonstrate the new functionality.

Patch by me.  Review by Andres Freund.
      090d0f20
      History
      Allow discovery of whether a dynamic background worker is running.
      Robert Haas authored 
      Using the infrastructure provided by this patch, it's possible either
to wait for the startup of a dynamically-registered background worker,
or to poll the status of such a worker without waiting.  In either
case, the current PID of the worker process can also be obtained.
As usual, worker_spi is updated to demonstrate the new functionality.

Patch by me.  Review by Andres Freund.