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6.2.6 Sockets.AbstractSocketImpl: asynchronous operations

ensureReadable
If the file is open, wait until data can be read from it. The wait allows other Processes to run.


ensureWriteable
If the file is open, wait until we can write to it. The wait allows other Processes to run.


waitForException
If the file is open, wait until an exceptional condition (such as presence of out of band data) has occurred on it. The wait allows other Processes to run.