diff options
Diffstat (limited to 'thread.c')
-rw-r--r-- | thread.c | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -4567,7 +4567,7 @@ rb_mutex_synchronize_m(VALUE self, VALUE args) rb_raise(rb_eThreadError, "must be called with a block"); } - return rb_mutex_synchronize(self, rb_yield, Qnil); + return rb_mutex_synchronize(self, rb_yield, Qundef); } void rb_mutex_allow_trap(VALUE self, int val) |