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bpo-9263: _Py_NegativeRefcount() use _PyObject_AssertFailed() (GH-10109) 

_Py_NegativeRefcount() now uses _PyObject_AssertFailed() to dump the
object to help debugging.
This commit is contained in:
Victor Stinner 2018-10-26 02:12:34 +02:00 committed by GitHub
parent c89a932714
commit 3ec9af75f6
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 8 additions and 10 deletions
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5
Lib/test/test_capi.py
View File

@ -329,8 +329,9 @@ class CAPITest(unittest.TestCase):
""")
rc, out, err = assert_python_failure('-c', code)
self.assertRegex(err,
br'_testcapimodule\.c:[0-9]+ object at .* '
br'has negative ref count', err)
br'_testcapimodule\.c:[0-9]+: '
br'_Py_NegativeRefcount: Assertion ".*" failed; '
br'object has negative ref count')
class TestPendingCalls(unittest.TestCase):

13
Objects/object.c
View File

@ -205,13 +205,9 @@ void dec_count(PyTypeObject *tp)
void
_Py_NegativeRefcount(const char *filename, int lineno, PyObject *op)
{
char buf[300];
PyOS_snprintf(buf, sizeof(buf),
"%s:%i object at %p has negative ref count "
"%" PY_FORMAT_SIZE_T "d",
filename, lineno, op, op->ob_refcnt);
Py_FatalError(buf);
_PyObject_AssertFailed(op, "object has negative ref count",
"op->ob_refcnt >= 0",
filename, lineno, __func__);
}
#endif /* Py_REF_DEBUG */
@ -356,13 +352,14 @@ PyObject_Print(PyObject *op, FILE *fp, int flags)
Py_END_ALLOW_THREADS
}
else {
if (op->ob_refcnt <= 0)
if (op->ob_refcnt <= 0) {
/* XXX(twouters) cast refcount to long until %zd is
universally available */
Py_BEGIN_ALLOW_THREADS
fprintf(fp, "<refcnt %ld at %p>",
(long)op->ob_refcnt, op);
Py_END_ALLOW_THREADS
}
else {
PyObject *s;
if (flags & Py_PRINT_RAW)