mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-22 17:55:18 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 15

gh-115103: Implement delayed free mechanism for free-threaded builds (#115367)

Browse source 
This adds `_PyMem_FreeDelayed()` and supporting functions. The
`_PyMem_FreeDelayed()` function frees memory with the same allocator as
`PyMem_Free()`, but after some delay to ensure that concurrent lock-free
readers have finished.
This commit is contained in:
Sam Gross 2024-02-20 13:04:37 -05:00 • committed by GitHub
parent d207c7cd5a
commit e3ad6ca56f
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
8 changed files with 226 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

3
Python/pylifecycle.c
View file

@ -1837,6 +1837,9 @@ finalize_interp_clear(PyThreadState *tstate)
finalize_interp_types(tstate->interp);
/* Free any delayed free requests immediately */
_PyMem_FiniDelayed(tstate->interp);
/* finalize_interp_types may allocate Python objects so we may need to
abandon mimalloc segments again */
_PyThreadState_ClearMimallocHeaps(tstate);