|  | @@ -67,17 +67,19 @@ static void destroy_server(grpc_rb_server *server, gpr_timespec deadline) {
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				|  |  |    grpc_event ev;
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				|  |  |    // This can be started by app or implicitly by GC. Avoid a race between these.
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				|  |  |    if (gpr_atm_full_fetch_add(&server->shutdown_started, (gpr_atm)1) == 0) {
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				|  |  | -    grpc_server_shutdown_and_notify(server->wrapped, server->queue, NULL);
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				|  |  | -    ev = rb_completion_queue_pluck(server->queue, NULL, deadline, NULL);
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				|  |  | -    if (ev.type == GRPC_QUEUE_TIMEOUT) {
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				|  |  | -      grpc_server_cancel_all_calls(server->wrapped);
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				|  |  | -      rb_completion_queue_pluck(server->queue, NULL,
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				|  |  | -                                gpr_inf_future(GPR_CLOCK_REALTIME), NULL);
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				|  |  | +    if (server->wrapped != NULL) {
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				|  |  | +      grpc_server_shutdown_and_notify(server->wrapped, server->queue, NULL);
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				|  |  | +      ev = rb_completion_queue_pluck(server->queue, NULL, deadline, NULL);
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				|  |  | +      if (ev.type == GRPC_QUEUE_TIMEOUT) {
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				|  |  | +        grpc_server_cancel_all_calls(server->wrapped);
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				|  |  | +        rb_completion_queue_pluck(server->queue, NULL,
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				|  |  | +                                  gpr_inf_future(GPR_CLOCK_REALTIME), NULL);
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				|  |  | +      }
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				|  |  | +      grpc_server_destroy(server->wrapped);
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				|  |  | +      grpc_rb_completion_queue_destroy(server->queue);
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				|  |  | +      server->wrapped = NULL;
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				|  |  | +      server->queue = NULL;
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				|  |  |      }
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				|  |  | -    grpc_server_destroy(server->wrapped);
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				|  |  | -    grpc_rb_completion_queue_destroy(server->queue);
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				|  |  | -    server->wrapped = NULL;
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				|  |  | -    server->queue = NULL;
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				|  |  |    }
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				|  |  |  }
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