diff options
Diffstat (limited to 'cont.c')
-rw-r--r-- | cont.c | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -971,6 +971,10 @@ fiber_t_alloc(VALUE fibval) rb_fiber_t *fib; rb_thread_t *th = GET_THREAD(); + if (DATA_PTR(fibval) != 0) { + rb_raise(rb_eRuntimeError, "cannot initialize twice"); + } + THREAD_MUST_BE_RUNNING(th); fib = ALLOC(rb_fiber_t); memset(fib, 0, sizeof(rb_fiber_t)); |