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

[jistone at redhat dot com]

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

           Summary: Using a compile server breaks signaled cleanup
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: translator
        AssignedTo: systemtap@sourceware.org
        ReportedBy: jistone@redhat.com


When --use-server is specified, stap no longer responds cleanly to signals --
neither terminal CTRL-C nor "kill $STAPPID" are handled gracefully.

  stap --use-server=vm-f14-64:3372 -ve 'probe begin, end { println(pp()) }'

If signaled while the server is busy, then stap just quits silently (not sure
if the server finishes though).  If allowed to start pass-5, stap still dumps
out, but the module cleanup depends on the signal source.  CTRL-C will still
reach stapio, so the module will unload, but "kill $STAPPID" will leave the
module running.

In either case, the /tmp/stapXXXXXX is not removed, and stap's $? is 130.

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