Fiber::Scheduler#blocking_operation_wait

VALUE rb_fiber_scheduler_blocking_operation_wait(VALUE scheduler, void* (*function)(void *), void *data, rb_unblock_function_t *unblock_function, void *data2, int flags, struct rb_fiber_scheduler_blocking_operation_state *state)
{
    struct rb_blocking_operation_wait_arguments arguments = {
        .function = function,
        .data = data,
        .unblock_function = unblock_function,
        .data2 = data2,
        .flags = flags,
        .state = state
    };

    VALUE proc = rb_proc_new(rb_fiber_scheduler_blocking_operation_wait_proc, (VALUE)&arguments);

    return rb_check_funcall(scheduler, id_blocking_operation_wait, 1, &proc);
}