Random boosting is a strategy used by the scheduler in Microsoft Windows to avoid deadlock due to priority inversion.
Ready threads holding locks are randomly boosted in priority and allowed to run long enough to exit the critical section.
If the thread doesn't get enough time to release the lock, it will get another chance.
[1][2] This strategy is no longer used in the latest versions of Windows and has been replaced by a strategy called AutoBoost.
[3]