Java theory and practice: Dealing with InterruptedException

Java theory and practice: Dealing with InterruptedException

Not all blocking methods throw InterruptedException. The input and output stream classes may block waiting for an I/O to complete, but they do not throw InterruptedException, and they do not return early if they are interrupted. However, in the case of socket I/O, if a thread closes the socket, blocking I/O operations on that socket in other threads will complete early with a SocketException. The nonblocking I/O classes in java.nio also do not support interruptible I/O, but blocking operations can similarly be canceled by closing the channel or requesting a wakeup on the Selector. Similarly, attempting to acquire an intrinsic lock (enter a synchronized block) cannot be interrupted, but ReentrantLock supports an interruptible acquisition mode.

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