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bpo-40429: PyFrame_GetCode() now returns a strong reference (GH-19773)

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Victor Stinner 2020-04-29 01:28:13 +02:00 • committed by GitHub
parent 5e8c691594
commit 8852ad4208
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GPG key ID: 4AEE18F83AFDEB23
9 changed files with 35 additions and 26 deletions
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19
Modules/_tracemalloc.c
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@ -335,26 +335,24 @@ hashtable_compare_traceback(_Py_hashtable_t *ht, const void *pkey,
static void
tracemalloc_get_frame(PyFrameObject *pyframe, frame_t *frame)
{
PyCodeObject *code;
PyObject *filename;
_Py_hashtable_entry_t *entry;
int lineno;
frame->filename = unknown_filename;
lineno = PyFrame_GetLineNumber(pyframe);
if (lineno < 0)
int lineno = PyFrame_GetLineNumber(pyframe);
if (lineno < 0) {
lineno = 0;
}
frame->lineno = (unsigned int)lineno;
code = PyFrame_GetCode(pyframe);
if (code->co_filename == NULL) {
PyCodeObject *code = PyFrame_GetCode(pyframe);
PyObject *filename = code->co_filename;
Py_DECREF(code);
if (filename == NULL) {
#ifdef TRACE_DEBUG
tracemalloc_error("failed to get the filename of the code object");
#endif
return;
}
filename = code->co_filename;
assert(filename != NULL);
if (filename == NULL)
return;
@ -375,6 +373,7 @@ tracemalloc_get_frame(PyFrameObject *pyframe, frame_t *frame)
}
/* intern the filename */
_Py_hashtable_entry_t *entry;
entry = _Py_HASHTABLE_GET_ENTRY(tracemalloc_filenames, filename);
if (entry != NULL) {
_Py_HASHTABLE_ENTRY_READ_KEY(tracemalloc_filenames, entry, filename);