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mariadb-columnstore-engine/utils/threadpool
Andrew Hutchings ccd9a414eb MCOL-1810 Fix hang on low core count
Anything that links against joblist will spin up a threadpool upon
startup. This includes the tools setConfig/getConfig. It is possible on
a low core count machine or low CPU speed that the signal to the prune
thread to shutdown is sent before the thread has completed startup when
these quick-running tools are used.

This fix adds a mutex so that spin up and shutdown can't happen at the
same time as well as a stop watch in case we are shutting down when
either the thread is running or we haven't fully started.
2018-10-16 18:03:25 +01:00
..
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