Details
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Incident report
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Resolution: Fixed
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Major
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2.0.13, 2.2.7, 2.4.2
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Unix-like systems
Description
src/libs/zbxsys/mutexs.c
The mutex operation (locking, unlocking) functions first check if the mutex is valid with following code:
if (ZBX_MUTEX_NULL == *mutex) return;
But on *nix like systems ZBX_MUTEX_NULL matches ZBX_MUTEX_LOG value (0). So the log mutex is never locked.
We should change ZBX_MUTEX_NULL to (-1) for *nix systems.
