KsFilterAcquireProcessingMutex - NtDoc
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headers
// ks.h
void KsFilterAcquireProcessingMutex(
[in] PKSFILTER Filter
);
View the official Windows Driver Kit DDI referenceNo description available.
The KsFilterAcquireProcessingMutex function acquires the processing mutex for a specified AVStream filter.
Filter [in]A pointer to the KSFILTER structure representing the AVStream filter for which to acquire the processing mutex.
AVStream holds the processing control mutex upon return from this routine. For more information, see Mutexes in AVStream.
A minidriver that must suspend processing for a long period of time should not use this mechanism. Instead, it should manipulate the processing control gate directly by using the KSGATEXxx functions.
KsFilterReleaseProcessingMutex