mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-09-26 10:19:53 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

gh-117657: Make Py_TYPE and Py_SET_TYPE thread safe (GH-120165)

Browse source 
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
Co-authored-by: Nadeshiko Manju <me@manjusaka.me>
This commit is contained in:
Ken Jin 2024-06-12 20:41:07 +08:00 • committed by GitHub
parent ce3879bd45
commit e16aed63f6
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
5 changed files with 45 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

5
Include/internal/pycore_interp.h
View file

@ -401,7 +401,10 @@ PyAPI_FUNC(PyStatus) _PyInterpreterState_New(
#define RARE_EVENT_INTERP_INC(interp, name) \
do { \
/* saturating add */ \
if (interp->rare_events.name < UINT8_MAX) interp->rare_events.name++; \
int val = FT_ATOMIC_LOAD_UINT8_RELAXED(interp->rare_events.name); \
if (val < UINT8_MAX) { \
FT_ATOMIC_STORE_UINT8(interp->rare_events.name, val + 1); \
} \
RARE_EVENT_STAT_INC(name); \
} while (0); \