sander.mak at luminis.eu
Mon Mar 6 15:46:06 UTC 2017
I was trying to get an example to work with the new ProcessHandle API. My goal was to wait on another process (Spotify) to terminate before printing something to the console:
ProcessHandle handle =
.filter(h -> h.info().commandLine().map(cmd -> cmd.contains("Spotify")).orElse(false))
.orElseThrow(() -> new IllegalArgumentException("No matching handle found"));
ProcessHandle completed = handle.onExit().get();
However this code doesn't wait on `handle` to be terminated, as the JavaDoc of onExit led me to believe: "Calling onExit().get() waits for the process to terminate and returns the ProcessHandle.". What I expected: the get() call blocks until I terminate the Spotify process. Instead, it runs to completion and prints true for the `isAlive` call in the end. Am I missing something?
Env: Java(TM) SE Runtime Environment (build 9-ea+157-jigsaw-nightly-h6122-20170221) on MacOS.
Also, first time posting to this list, I hope this is the right avenue for these questions.
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