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SetStreamIsActive

Sets a Boolean value that indicates whether the stream is active and doing I/O.

Declaration

kern_return_t SetStreamIsActive(bool in_is_active);

Parameters

  • in_is_active:

    true if the stream is enabled and performing I/O; otherwise, false.

Return Value

kIOReturnSuccess on success, or another value if an error occurs. For a list of error codes, see Error Codes.

Discussion

If successful, changing the stream’s activity state sends a notification to the host to update the object state.

This method synchronizes by using the work queue created by the object.

See Also

Working with Stream Formats