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KsProcessingMutex rule ()

The KsProcessingMutex rule specifies that a KS miniport driver uses the processing mutex in the correct sequence:

  • The processing mutex cannot be obtained recursively.
  • A thread that has acquired the processing mutex should not subsequently attempt to acquire the filter control mutex.
  • A thread should not release the processing mutex without acquiring it first.

Driver model: KS

Bug check(s) found with this rule: Bug Check 0xC4: DRIVER_VERIFIER_DETECTED_VIOLATION (0x0008100B)

How to test

At run time

To verify this rule, open a Command Prompt window. Enter a Driver Verifier command and specify /domain ks.

For example:

verifier /domain ks [options] /driver <yourdriver>

For more information, see Driver Verifier.

See also

Processing Mutex in AVStream