mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-12-04 00:30:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

gh-113743: Make the MRO cache thread-safe in free-threaded builds (#113930)

Browse source 
Makes _PyType_Lookup thread safe, including:
    Thread safety of the underlying cache.
    Make mutation of mro and type members thread safe
    Also _PyType_GetMRO and _PyType_GetBases are currently returning borrowed references which aren't safe.
This commit is contained in:
Dino Viehland 2024-02-15 10:54:57 -08:00 • committed by GitHub
parent e74fa294c9
commit ae460d450a
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
11 changed files with 500 additions and 80 deletions
Download patch file Download diff file Expand all files Collapse all files

3
Include/internal/pycore_critical_section.h
View file

@ -293,7 +293,8 @@ _PyCriticalSection_SuspendAll(PyThreadState *tstate);
#ifdef Py_GIL_DISABLED
static inline void
_PyCriticalSection_AssertHeld(PyMutex *mutex) {
_PyCriticalSection_AssertHeld(PyMutex *mutex)
{
#ifdef Py_DEBUG
PyThreadState *tstate = _PyThreadState_GET();
uintptr_t prev = tstate->critical_section;