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Archive for January, 2012

Public service announcement: signals implies reentrant code even in Python

06Jan12

This is a tiny PSA prompted by my digging into a deadlock condition in the Launchpad application servers. We were observing a small number of servers stopping cold when we did log rotation, with no particularly rhyme or reason. tl;dr: do not call any non-reentrant code from a Python signal handler. This includes the signal […]

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Tags: Launchpad, Python

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Archive for January, 2012

Public service announcement: signals implies reentrant code even in Python

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