[NumPy-Tickets] [NumPy] #1345: test_multiarray.TestIO.test_ascii segmentation fault with Python 2.7

[NumPy Trac]

#1345: test_multiarray.TestIO.test_ascii segmentation fault with Python 2.7
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 Reporter:  bsouthey    |       Owner:  somebody    
     Type:  defect      |      Status:  needs_review
 Priority:  high        |   Milestone:  2.0.0       
Component:  numpy.core  |     Version:  1.4.0rc1    
 Keywords:              |  
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Comment(by charris):

 This looks reentrant:


 PyGILState_STATE PyGILState_Ensure()¶

     Ensure that the current thread is ready to call the Python C API
 regardless of the current state of Python, or of the global interpreter
 lock. This may be called as many times as desired by a thread as long as
 each call is matched with a call to PyGILState_Release(). In general,
 other thread-related APIs may be used between PyGILState_Ensure() and
 PyGILState_Release() calls as long as the thread state is restored to its
 previous state before the Release(). For example, normal usage of the
 Py_BEGIN_ALLOW_THREADS and Py_END_ALLOW_THREADS macros is acceptable.

     The return value is an opaque “handle” to the thread state when
 PyGILState_Ensure() was called, and must be passed to PyGILState_Release()
 to ensure Python is left in the same state. Even though recursive calls
 are allowed, these handles cannot be shared - each unique call to
 PyGILState_Ensure() must save the handle for its call to
 PyGILState_Release().

     When the function returns, the current thread will hold the GIL.
 Failure is a fatal error.

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Ticket URL: <http://projects.scipy.org/numpy/ticket/1345#comment:4>
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