Use rb_gc_get_ec in rb_gc_event_hook

peterzhu2118 · peterzhu2118 · commit c9d38b74b3cc · 2026-05-06T19:41:29.000-04:00
This would allow rb_gc_event_hook to run in a GC thread that is a
non-Ruby thread.
diff --git a/gc.c b/gc.c
@@ -239,7 +239,7 @@ rb_gc_event_hook(VALUE obj, rb_event_flag_t event)
 {
     if (LIKELY(!rb_gc_event_hook_required_p(event))) return;
 
-    rb_execution_context_t *ec = GET_EC();
+    rb_execution_context_t *ec = rb_gc_get_ec();
     if (!ec->cfp) return;
 
     EXEC_EVENT_HOOK(ec, event, ec->cfp->self, 0, 0, 0, obj);

Original file line number	Diff line number	Diff line change
`@@ -239,7 +239,7 @@ rb_gc_event_hook(VALUE obj, rb_event_flag_t event)`
`239`	`239`	`{`
`240`	`240`	`if (LIKELY(!rb_gc_event_hook_required_p(event))) return;`
`241`	`241`
`242`		`- rb_execution_context_t *ec = GET_EC();`
	`242`	`+ rb_execution_context_t *ec = rb_gc_get_ec();`
`243`	`243`	`if (!ec->cfp) return;`
`244`	`244`
`245`	`245`	`EXEC_EVENT_HOOK(ec, event, ec->cfp->self, 0, 0, 0, obj);`