192     return either_blocking_executor(execution::blocking.never);  in require()
198     if (blocking_ == execution::blocking.never)  in execute()
301       boost::asio::query(ex1, execution::blocking.never)  in prefer_only_executor_query_test()
315       boost::asio::query(ex2, execution::blocking.never)  in prefer_only_executor_query_test()
318   executor_type ex3 = boost::asio::prefer(ex1, execution::blocking.never);  in prefer_only_executor_query_test()
329       boost::asio::query(ex3, execution::blocking.never)  in prefer_only_executor_query_test()
336         == execution::blocking.never);  in prefer_only_executor_query_test()
340         == execution::blocking.never);  in prefer_only_executor_query_test()
343       boost::asio::query(ex4, execution::blocking.never)  in prefer_only_executor_query_test()
344         == execution::blocking.never);  in prefer_only_executor_query_test()
350         == execution::blocking.never);  in prefer_only_executor_query_test()
354         == execution::blocking.never);  in prefer_only_executor_query_test()
357       boost::asio::query(ex5, execution::blocking.never)  in prefer_only_executor_query_test()
358         == execution::blocking.never);  in prefer_only_executor_query_test()
360   executor_type ex6 = boost::asio::prefer(ex4, execution::blocking.never);  in prefer_only_executor_query_test()
364         == execution::blocking.never);  in prefer_only_executor_query_test()
368         == execution::blocking.never);  in prefer_only_executor_query_test()
371       boost::asio::query(ex6, execution::blocking.never)  in prefer_only_executor_query_test()
372         == execution::blocking.never);  in prefer_only_executor_query_test()
385       boost::asio::query(ex7, execution::blocking.never)  in prefer_only_executor_query_test()
399       boost::asio::query(ex8, execution::blocking.never)  in prefer_only_executor_query_test()
402   executor_type ex9 = boost::asio::prefer(ex7, execution::blocking.never);  in prefer_only_executor_query_test()
406         == execution::blocking.never);  in prefer_only_executor_query_test()
410         == execution::blocking.never);  in prefer_only_executor_query_test()
413       boost::asio::query(ex9, execution::blocking.never)  in prefer_only_executor_query_test()
414         == execution::blocking.never);  in prefer_only_executor_query_test()
416   executor_type ex10 = either_blocking_executor(execution::blocking.never);  in prefer_only_executor_query_test()
420         == execution::blocking.never);  in prefer_only_executor_query_test()
424         == execution::blocking.never);  in prefer_only_executor_query_test()
427       boost::asio::query(ex10, execution::blocking.never)  in prefer_only_executor_query_test()
428         == execution::blocking.never);  in prefer_only_executor_query_test()
441       boost::asio::query(ex11, execution::blocking.never)  in prefer_only_executor_query_test()
444   executor_type ex12 = boost::asio::prefer(ex7, execution::blocking.never);  in prefer_only_executor_query_test()
448         == execution::blocking.never);  in prefer_only_executor_query_test()
452         == execution::blocking.never);  in prefer_only_executor_query_test()
455       boost::asio::query(ex12, execution::blocking.never)  in prefer_only_executor_query_test()
456         == execution::blocking.never);  in prefer_only_executor_query_test()
483   executor_type ex3 = boost::asio::prefer(ex1, execution::blocking.never);  in prefer_only_executor_execute_test()
501   executor_type ex6 = boost::asio::prefer(ex4, execution::blocking.never);  in prefer_only_executor_execute_test()
519   executor_type ex9 = boost::asio::prefer(ex7, execution::blocking.never);  in prefer_only_executor_execute_test()
525   executor_type ex10 = either_blocking_executor(execution::blocking.never);  in prefer_only_executor_execute_test()
537   executor_type ex12 = boost::asio::prefer(ex7, execution::blocking.never);  in prefer_only_executor_execute_test()