[Chicken-janitors] #907: signal-tests.scm hangs when port is already in use

[Chicken Trac]

#907: signal-tests.scm hangs when port is already in use
--------------------------+-------------------------------------------------
 Reporter:  felix         |       Owner:       
     Type:  defect        |      Status:  new  
 Priority:  major         |   Milestone:  4.8.0
Component:  build system  |     Version:  4.8.x
 Keywords:                |  
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 The `signal-test.scm` program in the core test-suite may hang indefinitely
 when port 9999 is already in use. A forked child process calls `tcp-
 listen` in a separate thread to wait for a termination message from the
 parent process. If the `tcp-listen` fails, the thread dies (but not the
 process) and hangs.

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Ticket URL: <http://bugs.call-cc.org/ticket/907>
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