KeReleaseGuardedMutex function (wdm.h)
The KeReleaseGuardedMutex routine releases a guarded mutex acquired with KeAcquireGuardedMutex or KeTryToAcquireGuardedMutex.
Syntax
void KeReleaseGuardedMutex(
[in, out] PKGUARDED_MUTEX Mutex
);
Parameters
[in, out] Mutex
Pointer to the KGUARDED_MUTEX structure for the guarded mutex.
Return value
None
Remarks
KeReleaseGuardedMutex implicitly exits the guarded region entered by KeAcquireGuardedMutex and KeTryToAcquireGuardedMutex.
For more information about guarded mutexes, see Fast Mutexes and Guarded Mutexes.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Available in Windows Server 2003 and later versions of Windows. |
| Target Platform | Universal |
| Header | wdm.h (include Wdm.h, Ntddk.h, Ntifs.h) |
| Library | NtosKrnl.lib |
| DLL | NtosKrnl.exe |
| IRQL | <= APC_LEVEL |
| DDI compliance rules | HwStorPortProhibitedDDIs(storport), IrqlKeApcLte1(wdm) |