[Bug 1184376] Re: REST server crashes on "reopen"

[Barry Warsaw]

This turned out to be a more extensive branch than anticipated because
of weirdness in three competing constraints.  To properly shutdown the
WSGI server, the .shutdown() method must be called in a separate thread
from the server.  But because of SQLite constraints, the server must run
in the main thread, and because of Python signal handling semantics, the
signal handlers must run in the main thread.  I solved this, by running
a subthread that just waits on an Event and then calls the .shutdown().
The signal handler fires the Event.

I also greatly simplified the bin/runner implementation and removed some
command line options that weren't really being used.

Thanks for the test code!  I did a little bit of refactoring, but it was
very helpful.

** Changed in: mailman
       Status: In Progress => Fix Committed

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https://bugs.launchpad.net/bugs/1184376

Title:
  REST server crashes on "reopen"

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