summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--Modules/gcmodule.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/Modules/gcmodule.c b/Modules/gcmodule.c
index 56dcb10..a44752b 100644
--- a/Modules/gcmodule.c
+++ b/Modules/gcmodule.c
@@ -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);