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CFMessagePortInvalidationCallBack

Callback invoked when a CFMessagePort object is invalidated.

Declaration

typealias CFMessagePortInvalidationCallBack = (CFMessagePort?, UnsafeMutableRawPointer?) -> Void

Parameters

  • ms:

    The message port that has been invalidated.

  • info:

    The info member of the Cfmessageportcontext structure that was used when creating ms, if ms is a local port; NULL if ms is a remote port.

Discussion

Your callback should free any resources allocated for ms.

You specify this callback with CFMessagePortSetInvalidationCallBack(_:_:).

See Also

Callbacks