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authorMagnus Hagander <magnus@hagander.net>2010-01-31 17:16:25 +0000
committerMagnus Hagander <magnus@hagander.net>2010-01-31 17:16:25 +0000
commit27554860c087ff249a853e4622be4580c2fda0d9 (patch)
treefad9af2c60ee521245a50b9f44031311827b368f /src/backend/regex/regexec.c
parent0c969e1fec43a34381d8702dce66571d04ee9441 (diff)
downloadpostgresql-27554860c087ff249a853e4622be4580c2fda0d9.tar.gz
postgresql-27554860c087ff249a853e4622be4580c2fda0d9.zip
Fix race condition in win32 signal handling.
There was a race condition where the receiving pipe could be closed by the child thread if the main thread was pre-empted before it got a chance to create a new one, and the dispatch thread ran to completion during that time. One symptom of this is that rows in pg_listener could be dropped under heavy load. Analysis and original patch by Radu Ilie, with some small modifications by Magnus Hagander.
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