// wdm.h
VOID KeReleaseGuardedMutexUnsafe(
[in, out] PKGUARDED_MUTEX FastMutex
);
View the official Windows Driver Kit DDI referenceNo description available.
The KeReleaseGuardedMutexUnsafe routine releases a guarded mutex acquired by KeAcquireGuardedMutexUnsafe.
FastMutex [in, out]Pointer to the KGUARDED_MUTEX structure for the guarded mutex.
For more information about guarded mutexes, see Fast Mutexes and Guarded Mutexes.