#12415: Update doctesting framework
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       Reporter:  robertwb                                                      
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Owner:  mvngu                             
           Type:  enhancement                                                   
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Status:  needs_work                        
       Priority:  major                                                         
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Milestone:  sage-5.4                          
      Component:  doctest                                                       
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Resolution:                                    
       Keywords:                                                                
                                                                 |   Work 
issues:  intermittent interrupt.pyx failure
Report Upstream:  N/A                                                           
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Reviewers:  Jeroen Demeyer                    
        Authors:  David Roe, Robert Bradshaw                                    
                                                                 |     Merged 
in:                                    
   Dependencies:  #13147,#13146, #13145, #12723, #12392, #12393, #12395, 
#12396, #12397, #12381, #12382, #12383, #12384, #11871, #13195, #13121  |      
Stopgaps:                                    
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Comment (by roed):

 Here's my current status on the `interrupt.pyx` problem.

  * It occurs only if `interrupt.pyx` is not the first file being tested
 (so `sage -t rings/big_oh.py tests/interrupt.pyx` will show it for
 example)
  * The segfault is actually caused by the test at line 694 of
 `interrupt.pyx`: `sage: test_sig_block()`

 I tried looking into the signal handling code but got lost.  Any ideas?

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12415#comment:121>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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