Skip to content

bpo-40533: Disable GC in subinterpreters #19961

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
vstinner merged 1 commit into from
May 6, 2020
Merged

bpo-40533: Disable GC in subinterpreters #19961

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
8 changes: 8 additions & 0 deletions Modules/gcmodule.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1181,6 +1181,14 @@ collect(PyThreadState *tstate, int generation,
_PyTime_t t1 = 0; /* initialize to prevent a compiler warning */
GCState *gcstate = &tstate->interp->gc;

#ifdef EXPERIMENTAL_ISOLATED_SUBINTERPRETERS
if (tstate->interp->config._isolated_interpreter) {
// bpo-40533: The garbage collector must not be run on parallel on
// Python objects shared by multiple interpreters.
return 0;
}
#endif

if (gcstate->debug & DEBUG_STATS) {
PySys_WriteStderr("gc: collecting generation %d...\n", generation);
show_stats_each_generations(gcstate);
Expand Down