Author: Armin Rigo <ar...@tunes.org>
Branch: 
Changeset: r68893:49c649807414
Date: 2014-01-23 23:14 +0100
http://bitbucket.org/pypy/pypy/changeset/49c649807414/

Log:    Bah, another try at 9bfd0a649773. See comment.

diff --git a/pypy/module/cpyext/api.py b/pypy/module/cpyext/api.py
--- a/pypy/module/cpyext/api.py
+++ b/pypy/module/cpyext/api.py
@@ -400,16 +400,16 @@
     '_PyObject_CallFunction_SizeT', '_PyObject_CallMethod_SizeT',
 
     'PyBuffer_FromMemory', 'PyBuffer_FromReadWriteMemory', 
'PyBuffer_FromObject',
-    'PyBuffer_FromReadWriteObject', 'PyBuffer_New', 'PyBuffer_Type', 
'_Py_init_bufferobject',
+    'PyBuffer_FromReadWriteObject', 'PyBuffer_New', 'PyBuffer_Type', 
'_Py_get_buffer_type',
 
     'PyCObject_FromVoidPtr', 'PyCObject_FromVoidPtrAndDesc', 
'PyCObject_AsVoidPtr',
     'PyCObject_GetDesc', 'PyCObject_Import', 'PyCObject_SetVoidPtr',
-    'PyCObject_Type', '_Py_init_pycobject',
+    'PyCObject_Type', '_Py_get_cobject_type',
 
     'PyCapsule_New', 'PyCapsule_IsValid', 'PyCapsule_GetPointer',
     'PyCapsule_GetName', 'PyCapsule_GetDestructor', 'PyCapsule_GetContext',
     'PyCapsule_SetPointer', 'PyCapsule_SetName', 'PyCapsule_SetDestructor',
-    'PyCapsule_SetContext', 'PyCapsule_Import', 'PyCapsule_Type', 
'_Py_init_capsule',
+    'PyCapsule_SetContext', 'PyCapsule_Import', 'PyCapsule_Type', 
'_Py_get_capsule_type',
 
     'PyObject_AsReadBuffer', 'PyObject_AsWriteBuffer', 
'PyObject_CheckReadBuffer',
 
@@ -691,17 +691,25 @@
         prefix = 'PyPy'
     else:
         prefix = 'cpyexttest'
-    init_buffer = rffi.llexternal('_%s_init_bufferobject' % prefix, [], 
lltype.Void,
-                                  compilation_info=eci, releasegil=False)
-    init_pycobject = rffi.llexternal('_%s_init_pycobject' % prefix, [], 
lltype.Void,
-                                     compilation_info=eci, releasegil=False)
-    init_capsule = rffi.llexternal('_%s_init_capsule' % prefix, [], 
lltype.Void,
-                                   compilation_info=eci, releasegil=False)
-    INIT_FUNCTIONS.extend([
-        lambda space: init_buffer(),
-        lambda space: init_pycobject(),
-        lambda space: init_capsule(),
-    ])
+    # jump through hoops to avoid releasing the GIL during initialization
+    # of the cpyext module.  The C functions are called with no wrapper,
+    # but must not do anything like calling back PyType_Ready().  We
+    # use them just to get a pointer to the PyTypeObjects defined in C.
+    get_buffer_type = rffi.llexternal('_%s_get_buffer_type' % prefix,
+                                      [], PyTypeObjectPtr,
+                                      compilation_info=eci, _nowrapper=True)
+    get_cobject_type = rffi.llexternal('_%s_get_cobject_type' % prefix,
+                                       [], PyTypeObjectPtr,
+                                       compilation_info=eci, _nowrapper=True)
+    get_capsule_type = rffi.llexternal('_%s_get_capsule_type' % prefix,
+                                       [], PyTypeObjectPtr,
+                                       compilation_info=eci, _nowrapper=True)
+    def init_types(space):
+        from pypy.module.cpyext.typeobject import py_type_ready
+        py_type_ready(space, get_buffer_type())
+        py_type_ready(space, get_cobject_type())
+        py_type_ready(space, get_capsule_type())
+    INIT_FUNCTIONS.append(init_types)
     from pypy.module.posix.interp_posix import add_fork_hook
     reinit_tls = rffi.llexternal('%sThread_ReInitTLS' % prefix, [], 
lltype.Void,
                                  compilation_info=eci)
diff --git a/pypy/module/cpyext/src/bufferobject.c 
b/pypy/module/cpyext/src/bufferobject.c
--- a/pypy/module/cpyext/src/bufferobject.c
+++ b/pypy/module/cpyext/src/bufferobject.c
@@ -783,9 +783,9 @@
     return size;
 }
 
-void _Py_init_bufferobject(void)
+PyTypeObject *_Py_get_buffer_type(void)
 {
-    PyType_Ready(&PyBuffer_Type);
+    return &PyBuffer_Type;
 }
 
 static PySequenceMethods buffer_as_sequence = {
diff --git a/pypy/module/cpyext/src/capsule.c b/pypy/module/cpyext/src/capsule.c
--- a/pypy/module/cpyext/src/capsule.c
+++ b/pypy/module/cpyext/src/capsule.c
@@ -321,8 +321,7 @@
     PyCapsule_Type__doc__      /*tp_doc*/
 };
 
-void _Py_init_capsule()
+PyTypeObject *_Py_get_capsule_type(void)
 {
-    PyType_Ready(&PyCapsule_Type);
+    return &PyCapsule_Type;
 }
-
diff --git a/pypy/module/cpyext/src/cobject.c b/pypy/module/cpyext/src/cobject.c
--- a/pypy/module/cpyext/src/cobject.c
+++ b/pypy/module/cpyext/src/cobject.c
@@ -156,7 +156,7 @@
     PyCObject_Type__doc__      /*tp_doc*/
 };
 
-void _Py_init_pycobject()
+PyTypeObject *_Py_get_cobject_type(void)
 {
-    PyType_Ready(&PyCObject_Type);
+    return &PyCObject_Type;
 }
diff --git a/pypy/module/cpyext/typeobject.py b/pypy/module/cpyext/typeobject.py
--- a/pypy/module/cpyext/typeobject.py
+++ b/pypy/module/cpyext/typeobject.py
@@ -549,11 +549,14 @@
     pto.c_tp_flags |= Py_TPFLAGS_READY
     return pto
 
+def py_type_ready(space, pto):
+    if pto.c_tp_flags & Py_TPFLAGS_READY:
+        return
+    type_realize(space, rffi.cast(PyObject, pto))
+
 @cpython_api([PyTypeObjectPtr], rffi.INT_real, error=-1)
 def PyType_Ready(space, pto):
-    if pto.c_tp_flags & Py_TPFLAGS_READY:
-        return 0
-    type_realize(space, rffi.cast(PyObject, pto))
+    py_type_ready(space, pto)
     return 0
 
 def type_realize(space, py_obj):
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