change rb_ractor_queue to ring buffer

1 files changed, 1 insertions, 0 deletions

diff --git a/ractor.h b/ractor.h
index e9acf82451..4cd89522a7 100644
--- a/ractor.h
+++ b/ractor.h
@@ -25,6 +25,7 @@ struct rb_ractor_basket {
 
 struct rb_ractor_queue {
     struct rb_ractor_basket *baskets;
+    int start;
     int cnt;
     int size;
 };