URL:
<http://gna.org/bugs/?19761>
Summary: Recursive logging sanity check not thread-safe
Project: Freeciv
Submitted by: cazfi
Submitted on: Fri 25 May 2012 03:48:35 AM EEST
Category: general
Severity: 3 - Normal
Priority: 5 - Normal
Status: None
Assigned to: None
Originator Email:
Open/Closed: Open
Release:
Discussion Lock: Any
Operating System: None
Planned Release:
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Details:
Check against recursive log-calls has been added to logging module. It works
by setting static variable TRUE when first entering logging function, and
FALSE when leaving. Recursive call would detect if variable is already set and
so know that it's indeed recursive one.
Problem is that this prevents *any* kind of simultaneous logging calls, not
only those that are recursive. Second kind of simultaneous call we encounter
is one from another thread. I noticed this with threaded ai, but in theory
this could cause problems with metaserver communication threads too.
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