diff options
| -rw-r--r-- | mrbgems/mruby-fiber/src/fiber.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/mrbgems/mruby-fiber/src/fiber.c b/mrbgems/mruby-fiber/src/fiber.c index 3c3630a61..a0faafe28 100644 --- a/mrbgems/mruby-fiber/src/fiber.c +++ b/mrbgems/mruby-fiber/src/fiber.c @@ -74,6 +74,9 @@ fiber_init(mrb_state *mrb, mrb_value self) mrb_get_args(mrb, "&", &blk); + if (f->cxt) { + mrb_raise(mrb, E_RUNTIME_ERROR, "cannot initialize twice"); + } if (mrb_nil_p(blk)) { mrb_raise(mrb, E_ARGUMENT_ERROR, "tried to create Fiber object without a block"); } |