[Bug translator/12591] Using a compile server breaks signaled cleanup

["jistone at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=12591

--- Comment #1 from Josh Stone <jistone at redhat dot com> 2011-03-17 18:39:13 UTC ---
Added commit b7a0f5a:

    PR12591: Setup the signal handler earlier

    We were calling setup_signals() in passes_0_4(), but --use-server
    diverts that execution path, so signaled cleanup wasn't working in that
    case at all.  It's also possible with multiple --remotes that
    passes_0_4() will be called multiple times, though that shouldn't really
    hurt signal handling.  This patch moves setup_signals() to main(), so it
    is called once early on.

    * main.cxx (passes_0_4): Don't call setup_signals() here.
      (main): Call setup_signals() here instead.

Now the signaled cleanup happens correctly in every case that I see.  However,
if interrupted while the server is busy, we end up waiting for that completion
before actually exiting.  It would be nice if the remote server were also
signaled so we could have a more timely exit.

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