[cmucl-ticket] [cmucl] #55: blocked signals

[cmucl]

#55: blocked signals
--------------------------------+-------------------------------------------
 Reporter:  heller              |       Owner:  somebody
     Type:  defect              |      Status:  new     
 Priority:  major               |   Milestone:          
Component:  Core                |     Version:  20c     
 Keywords:  signals interrupts  |  
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 I think there is a problem related to blocked signals and garbage
 collection:

 1. Start {{{cmucl -noinit -eval '(loop (ext:gc :full t))'}}} in a terminal
 and let it run.

 2. Under Linux,  {{{cat /proc/<pid>/status}}}  shows that !SigBlk is 0
 i.e. no signals are blocked.

 3. Interrupt the loop with C-c (SIGINT) and wait for the debugger.

 4. !SigBlk is still 0.

 5. Type c to continue the loop.

 6. !SigBlk is now 000000001fc90000

 That's a bug, right?  It should again be zero.

 The problem doesn't occur if the loop is empty, so I figure this
 has something to do with GC.

-- 
Ticket URL: <http://trac.common-lisp.net/cmucl/ticket/55>
cmucl <http://common-lisp.net/project/cmucl>
Cmucl is a high-performance, free Common Lisp implementation.