KeInitializeGuardedMutex function (wdm.h)
The KeInitializeGuardedMutex routine initializes a guarded mutex.
Syntax
void KeInitializeGuardedMutex(
[out] PKGUARDED_MUTEX Mutex
);
Parameters
[out] Mutex
Pointer to the KGUARDED_MUTEX structure to initialize. The storage must be 4-byte aligned on 32-bit platforms, and 8-byte aligned on 64-bit platforms.
Return value
None
Remarks
Guarded mutexes must be allocated from nonpaged pool.
For more information about guarded mutexes, see Fast Mutexes and Guarded Mutexes.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Available in Windows Server 2003 with Service Pack 1 (SP1) 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) |