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The ExAcquireRundownProtectionCacheAware routine tries to acquire cache-aware run-down protection on a shared object so the caller can safely access the object.
Syntax
BOOLEAN ExAcquireRundownProtectionCacheAware(
[in, out] PEX_RUNDOWN_REF_CACHE_AWARE RunRefCacheAware
);
Parameters
[in, out] RunRefCacheAware
Pointer to the opaque EX_RUNDOWN_REF_CACHE_AWARE structure returned by a previous call to ExAllocateCacheAwareRundownProtection or ExInitializeRundownProtectionCacheAware.
Return value
Returns TRUE if rundown protection was acquired and FALSE if rundown is currently active or completed.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported server | Windows Server 2003, Service Pack 1 |
| Header | wdm.h (include Wdm.h) |
| DDI compliance rules | HwStorPortProhibitedDDIs(storport) |
See also
Cache-aware run-down protection
ExAcquireRundownProtectionCacheAwareEx
ExAllocateCacheAwareRundownProtection
ExFreeCacheAwareRundownProtection
ExInitializeRundownProtectionCacheAware
ExReInitializeRundownProtectionCacheAware
ExReleaseRundownProtectionCacheAware
ExReleaseRundownProtectionCacheAwareEx