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From Bill Moseley <>
Subject [users@httpd] Prefork MPM: Locking of error logs during write?
Date Sat, 06 Sep 2014 14:31:56 GMT
Apache 2.2.15 on Linux.

When Apache children send output to stderr it ends up in my error_log file.

Does Apache have any mechanism to prevent intermixing of this output?
That is, if all Apache children write large ( but < 4k) strings to stderr
does Apache have anything to prevent inter mixing of the output?

Apache doesn't do any locking or use semaphores to prevent concurrent
writing to the log, correct?

Bill Moseley

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