diff options
| -rw-r--r-- | thread_sync.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/thread_sync.c b/thread_sync.c index ba5a78ca0a..98d95ff009 100644 --- a/thread_sync.c +++ b/thread_sync.c @@ -125,7 +125,7 @@ mutex_memsize(const void *ptr) static const rb_data_type_t mutex_data_type = { "mutex", {mutex_mark, mutex_free, mutex_memsize,}, - 0, 0, RUBY_TYPED_FREE_IMMEDIATELY + 0, 0, RUBY_TYPED_WB_PROTECTED | RUBY_TYPED_FREE_IMMEDIATELY }; static rb_mutex_t * |