187     return either_blocking_executor(execution::blocking.possibly);  in require()
192     return either_blocking_executor(execution::blocking.never);  in require()
198     if (blocking_ == execution::blocking.never)  in execute()
293       boost::asio::query(ex1, execution::blocking)  in prefer_only_executor_query_test()
294         == execution::blocking.possibly);  in prefer_only_executor_query_test()
297       boost::asio::query(ex1, execution::blocking.possibly)  in prefer_only_executor_query_test()
298         == execution::blocking.possibly);  in prefer_only_executor_query_test()
301       boost::asio::query(ex1, execution::blocking.never)  in prefer_only_executor_query_test()
302         == execution::blocking.possibly);  in prefer_only_executor_query_test()
304   executor_type ex2 = boost::asio::prefer(ex1, execution::blocking.possibly);  in prefer_only_executor_query_test()
307       boost::asio::query(ex2, execution::blocking)  in prefer_only_executor_query_test()
308         == execution::blocking.possibly);  in prefer_only_executor_query_test()
311       boost::asio::query(ex2, execution::blocking.possibly)  in prefer_only_executor_query_test()
312         == execution::blocking.possibly);  in prefer_only_executor_query_test()
315       boost::asio::query(ex2, execution::blocking.never)  in prefer_only_executor_query_test()
316         == execution::blocking.possibly);  in prefer_only_executor_query_test()
318   executor_type ex3 = boost::asio::prefer(ex1, execution::blocking.never);  in prefer_only_executor_query_test()
321       boost::asio::query(ex3, execution::blocking)  in prefer_only_executor_query_test()
322         == execution::blocking.possibly);  in prefer_only_executor_query_test()
325       boost::asio::query(ex3, execution::blocking.possibly)  in prefer_only_executor_query_test()
326         == execution::blocking.possibly);  in prefer_only_executor_query_test()
329       boost::asio::query(ex3, execution::blocking.never)  in prefer_only_executor_query_test()
330         == execution::blocking.possibly);  in prefer_only_executor_query_test()
335       boost::asio::query(ex4, execution::blocking)  in prefer_only_executor_query_test()
336         == execution::blocking.never);  in prefer_only_executor_query_test()
339       boost::asio::query(ex4, execution::blocking.possibly)  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()
346   executor_type ex5 = boost::asio::prefer(ex4, execution::blocking.possibly);  in prefer_only_executor_query_test()
349       boost::asio::query(ex5, execution::blocking)  in prefer_only_executor_query_test()
350         == execution::blocking.never);  in prefer_only_executor_query_test()
353       boost::asio::query(ex5, execution::blocking.possibly)  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()
363       boost::asio::query(ex6, execution::blocking)  in prefer_only_executor_query_test()
364         == execution::blocking.never);  in prefer_only_executor_query_test()
367       boost::asio::query(ex6, execution::blocking.possibly)  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()
374   executor_type ex7 = either_blocking_executor(execution::blocking.possibly);  in prefer_only_executor_query_test()
377       boost::asio::query(ex7, execution::blocking)  in prefer_only_executor_query_test()
378         == execution::blocking.possibly);  in prefer_only_executor_query_test()
381       boost::asio::query(ex7, execution::blocking.possibly)  in prefer_only_executor_query_test()
382         == execution::blocking.possibly);  in prefer_only_executor_query_test()
385       boost::asio::query(ex7, execution::blocking.never)  in prefer_only_executor_query_test()
386         == execution::blocking.possibly);  in prefer_only_executor_query_test()
388   executor_type ex8 = boost::asio::prefer(ex7, execution::blocking.possibly);  in prefer_only_executor_query_test()
391       boost::asio::query(ex8, execution::blocking)  in prefer_only_executor_query_test()
392         == execution::blocking.possibly);  in prefer_only_executor_query_test()
395       boost::asio::query(ex8, execution::blocking.possibly)  in prefer_only_executor_query_test()
396         == execution::blocking.possibly);  in prefer_only_executor_query_test()
399       boost::asio::query(ex8, execution::blocking.never)  in prefer_only_executor_query_test()
400         == execution::blocking.possibly);  in prefer_only_executor_query_test()
402   executor_type ex9 = boost::asio::prefer(ex7, execution::blocking.never);  in prefer_only_executor_query_test()
405       boost::asio::query(ex9, execution::blocking)  in prefer_only_executor_query_test()
406         == execution::blocking.never);  in prefer_only_executor_query_test()
409       boost::asio::query(ex9, execution::blocking.possibly)  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()
419       boost::asio::query(ex10, execution::blocking)  in prefer_only_executor_query_test()
420         == execution::blocking.never);  in prefer_only_executor_query_test()
423       boost::asio::query(ex10, execution::blocking.possibly)  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()
430   executor_type ex11 = boost::asio::prefer(ex7, execution::blocking.possibly);  in prefer_only_executor_query_test()
433       boost::asio::query(ex11, execution::blocking)  in prefer_only_executor_query_test()
434         == execution::blocking.possibly);  in prefer_only_executor_query_test()
437       boost::asio::query(ex11, execution::blocking.possibly)  in prefer_only_executor_query_test()
438         == execution::blocking.possibly);  in prefer_only_executor_query_test()
441       boost::asio::query(ex11, execution::blocking.never)  in prefer_only_executor_query_test()
442         == execution::blocking.possibly);  in prefer_only_executor_query_test()
444   executor_type ex12 = boost::asio::prefer(ex7, execution::blocking.never);  in prefer_only_executor_query_test()
447       boost::asio::query(ex12, execution::blocking)  in prefer_only_executor_query_test()
448         == execution::blocking.never);  in prefer_only_executor_query_test()
451       boost::asio::query(ex12, execution::blocking.possibly)  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()
477   executor_type ex2 = boost::asio::prefer(ex1, execution::blocking.possibly);  in prefer_only_executor_execute_test()
483   executor_type ex3 = boost::asio::prefer(ex1, execution::blocking.never);  in prefer_only_executor_execute_test()
495   executor_type ex5 = boost::asio::prefer(ex4, execution::blocking.possibly);  in prefer_only_executor_execute_test()
501   executor_type ex6 = boost::asio::prefer(ex4, execution::blocking.never);  in prefer_only_executor_execute_test()
507   executor_type ex7 = either_blocking_executor(execution::blocking.possibly);  in prefer_only_executor_execute_test()
513   executor_type ex8 = boost::asio::prefer(ex7, execution::blocking.possibly);  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()
531   executor_type ex11 = boost::asio::prefer(ex7, execution::blocking.possibly);  in prefer_only_executor_execute_test()
537   executor_type ex12 = boost::asio::prefer(ex7, execution::blocking.never);  in prefer_only_executor_execute_test()