Author: Antonio Cuni <[email protected]>
Branch: cpyext-avoid-roundtrip
Changeset: r92774:718a91452806
Date: 2017-10-16 11:42 +0200
http://bitbucket.org/pypy/pypy/changeset/718a91452806/

Log:    add a comment about a potential issue

diff --git a/pypy/module/cpyext/tupleobject.py 
b/pypy/module/cpyext/tupleobject.py
--- a/pypy/module/cpyext/tupleobject.py
+++ b/pypy/module/cpyext/tupleobject.py
@@ -27,6 +27,10 @@
 ## Then the macro PyTuple_GET_ITEM can be implemented like CPython.
 ##
 
+# CCC: we have a problem in the branch: some of the functions defined in C,
+# like PyTuple_New, might call PyErr_*, but since these are implemented in
+# RPython, they are not GIL-safe. We need to think about it :(
+
 PyTupleObjectStruct = lltype.ForwardReference()
 PyTupleObject = lltype.Ptr(PyTupleObjectStruct)
 ObjectItems = rffi.CArray(PyObject)
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