mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-03 16:39:00 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

Fail if PyMem_Malloc() is called without holding the GIL

Browse source 
Issue #26563: Debug hooks on Python memory allocators now raise a fatal error
if functions of the PyMem_Malloc() family are called without holding the GIL.
This commit is contained in:
Victor Stinner 2016-03-16 12:12:53 +01:00
parent 013024ef67
commit ad524375af
4 changed files with 43 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

17
Lib/test/test_capi.py
View file

@ -602,15 +602,24 @@ class PyMemDebugTests(unittest.TestCase):
regex = regex.format(ptr=self.PTR_REGEX)
self.assertRegex(out, regex)
def test_pyobject_malloc_without_gil(self):
# Calling PyObject_Malloc() without holding the GIL must raise an
# error in debug mode.
code = 'import _testcapi; _testcapi.pyobject_malloc_without_gil()'
def check_malloc_without_gil(self, code):
out = self.check(code)
expected = ('Fatal Python error: Python memory allocator called '
'without holding the GIL')
self.assertIn(expected, out)
def test_pymem_malloc_without_gil(self):
# Debug hooks must raise an error if PyMem_Malloc() is called
# without holding the GIL
code = 'import _testcapi; _testcapi.pymem_malloc_without_gil()'
self.check_malloc_without_gil(code)
def test_pyobject_malloc_without_gil(self):
# Debug hooks must raise an error if PyObject_Malloc() is called
# without holding the GIL
code = 'import _testcapi; _testcapi.pyobject_malloc_without_gil()'
self.check_malloc_without_gil(code)
class PyMemMallocDebugTests(PyMemDebugTests):
PYTHONMALLOC = 'malloc_debug'