int main ( ) { task1( ); task2( ); task3( ); return 0; }
/* FUNCION que contiene el planificador y despachador de tareas. */ static void scheduleAndDispatchTasks(void){ /* Tarea planificada cada TASK1_PERIODICITY ms */ if( task1Counter++ == TASK1_PERIODICITY ){ /* Despacho de la tarea (la ejecuta) */ task1(); /* Resetea el contador de la tarea */ task1Counter = 0; } /* Tarea planificada cada TASK2_PERIODICITY ms */ if( task2Counter++ == TASK2_PERIODICITY ){ /* Despacho de la tarea (la ejecuta) */ task2(); /* Resetea el contador de la tarea */ task2Counter = 0; } /* Tarea planificada cada TASK3_PERIODICITY ms */ if( task3Counter++ == TASK3_PERIODICITY ){ /* Despacho de la tarea (la ejecuta) */ task3(); /* Resetea el contador de la tarea */ task3Counter = 0; } }
/* FUNCION que contiene el despachador de tareas. */ void seosDispatchTask(void){ /* Tarea planificada cada TASK1_PERIODICITY ms */ if( task1RunFlag ){ /* Si el flag esta en 1 despacha de la tarea (la ejecuta) */ task1(); /* Resetea el flag de ejecucion de la tarea */ task1RunFlag = 0; } /* Tarea planificada cada TASK2_PERIODICITY ms */ if( task2RunFlag ){ /* Si el flag esta en 1 despacha de la tarea (la ejecuta) */ task2(); /* Resetea el flag de ejecucion de la tarea */ task2RunFlag = 0; } /* Tarea planificada cada TASK3_PERIODICITY ms */ if( task3RunFlag ){ /* Si el flag esta en 1 despacha de la tarea (la ejecuta) */ task3(); /* Resetea el flag de ejecucion de la tarea */ task3RunFlag = 0; } }
int main(int argc, char** argv) { if (argc != 2) { std::cerr << "Usage: " << argv[0] << " path/to/lena" << std::endl; exit(1); } cv::Mat image, orig, lena, noize, diag, tool; image = cv::imread(argv[1], 1); diag = cv::imread(DIAG, CV_LOAD_IMAGE_GRAYSCALE); orig = cv::imread(ORIG, CV_LOAD_IMAGE_GRAYSCALE); lena = cv::imread(LENA, 1); noize = cv::imread(NOIZE, 1); tool = cv::imread(TOOL, CV_LOAD_IMAGE_GRAYSCALE); std::cout << "Task 1 Status: " << (task1(image) ? "OK" : "Error") << std::endl; std::cout << "Task 2 Status: " << (task2(image) ? "OK" : "Error") << std::endl; std::cout << "Task 3 Status: " << (task3(image) ? "OK" : "Error") << std::endl; std::cout << "Task 4 Status: " << (task4(image) ? "OK" : "Error") << std::endl; std::cout << "Task 5 Status: " << (task5((PATH + "noize/").c_str()) ? "OK" : "Error") << std::endl; std::cout << "Task 6 Status: " << (task6(image) ? "OK" : "Error") << std::endl; std::cout << "Task 3.1 Status: " << (task3_1(orig) ? "OK" : "Error") << std::endl; std::cout << "Task 3.2 Status: " << (task3_2(orig) ? "OK" : "Error") << std::endl; std::cout << "Task 3.3 Status: " << (task3_3(tool) ? "OK" : "Error") << std::endl; std::cout << "Task 3.5 Status: " << (task3_5(diag, orig) ? "OK" : "Error") << std::endl; std::cout << "Task 3.6 Status: " << (task3_6(lena, noize) ? "OK" : "Error") << std::endl; // cv::namedWindow("Lesson 2", CV_WINDOW_NORMAL); // cv::imshow("Lesson 2", image); // cv::waitKey(0); return 0; }
void PriorityTapeTest::testPriority() { boost::posix_time::ptime begin; boost::posix_time::ptime current; int duration; CPPUNIT_ASSERT( true == priority_->Enable(true) ); PriorityTapeTask task0(priority_.get(),100,0,10); PriorityTapeTask task1(priority_.get(),100,1,10); PriorityTapeTask task2(priority_.get(),100,2,10); PriorityTapeTask task3(priority_.get(),100,3,10); PriorityTapeTask task4(priority_.get(),100,4,10); PriorityTapeTask task5(priority_.get(),100,5,10); task0.Start(); boost::this_thread::sleep( boost::posix_time::milliseconds(5) ); task1.Start(); task2.Start(); task3.Start(); task4.Start(); task5.Start(); CPPUNIT_ASSERT( false == task0.Finished() ); CPPUNIT_ASSERT( false == task1.Finished() ); CPPUNIT_ASSERT( false == task2.Finished() ); CPPUNIT_ASSERT( false == task3.Finished() ); CPPUNIT_ASSERT( false == task4.Finished() ); CPPUNIT_ASSERT( false == task5.Finished() ); boost::this_thread::sleep( boost::posix_time::milliseconds(100) ); CPPUNIT_ASSERT( true == task0.Finished() ); CPPUNIT_ASSERT( true == task5.Finished() ); CPPUNIT_ASSERT( true == task4.Finished() ); CPPUNIT_ASSERT( true == task3.Finished() ); CPPUNIT_ASSERT( true == task2.Finished() ); CPPUNIT_ASSERT( true == task1.Finished() ); duration = (task0.End() - task0.Begin()).total_milliseconds(); CPPUNIT_ASSERT( duration >= 10 ); duration = (task1.End() - task1.Begin()).total_milliseconds(); CPPUNIT_ASSERT( duration >= 10 ); duration = (task2.End() - task2.Begin()).total_milliseconds(); CPPUNIT_ASSERT( duration >= 10 ); duration = (task3.End() - task3.Begin()).total_milliseconds(); CPPUNIT_ASSERT( duration >= 10 ); duration = (task4.End() - task4.Begin()).total_milliseconds(); CPPUNIT_ASSERT( duration >= 10 ); duration = (task5.End() - task5.Begin()).total_milliseconds(); CPPUNIT_ASSERT( duration >= 10 ); CPPUNIT_ASSERT( task0.End() <= task5.Begin() ); CPPUNIT_ASSERT( task5.End() <= task4.Begin() ); CPPUNIT_ASSERT( task4.End() <= task3.Begin() ); CPPUNIT_ASSERT( task3.End() <= task2.Begin() ); CPPUNIT_ASSERT( task2.End() <= task1.Begin() ); }
void init_task() { //task0(); //task1(); task2(); task3(); //task4(); //task5(); printfk("init_task ok.\n\r"); return; }
int main() { int i, sleepTime; // The condition the threads will be using ArCondition cond; // The threads Task task1(1, &cond); Task task2(2, &cond); Task task3(3, &cond); Task task4(4, &cond); // Initialize Aria, which in turn initializes the thread layer Aria::init(); // Initialize the rand() function srand((unsigned)time(NULL)); // Lets start all correct threads. task1.create(); task2.create(); task3.create(); task4.create(); // Lets wake up the threads at different random times for (i=0; i<10; ++i) { sleepTime=rand()%400+100; printf("Main: Sleeping %dms\n", sleepTime); ArUtil::sleep(sleepTime); printf("Main: Waking up a thread\n"); cond.signal(); } printf("Exiting\n"); // Stop all the threads, which sets their running variable to false ArThread::stopAll(); // Now that all the threads are marked as not running, wake them up // so that we can exit the program gracefully. cond.broadcast(); // Wait for all the threads to exit ArThread::joinAll(); // Uninit Aria Aria::uninit(); return(0); }
int main() { // task 1 std::packaged_task<int(int)> task1(mult2); std::future<int> fut1 = task1.get_future(); task1(3); std::cout << fut1.get() << std::endl; // task 2 std::packaged_task<long(int)> task2(mult2); std::future<long> fut2 = task2.get_future(); task2(4); std::cout << fut2.get() << std::endl; // task 3 std::packaged_task<int(int)> task3(mult2); task3(5); std::future<int> fut3 = task3.get_future(); std::cout << fut3.get() << std::endl; // task 4 std::packaged_task<void()> task4([]{std::cout << "void" << std::endl;}); task4(); task4.get_future().get(); }
int main(int argc, const char * argv[]) { // insert code here... int t; printf("Меню:\n1)Все числа от 1 до n\n2)Все числа от А до В\n3)Функция Аккермана\n4)Точная степень двойки\n5)Сумма цифр числа\n"); printf("Выберите номер задания\n"); scanf("%d",&t); while(t!=6) { switch(t) { case 1: { printf("Все числа от 1 до n\n"); task1(); break; } case 2: { printf("Все числа от А до В\n"); task2(); break; } case 3: { printf("Функция Аккермана\n"); task3(); break; } case 4: { printf("Точная степень двойки\n"); task4(); break; } case 5: { printf("Сумма цифр числа\n"); task5(); break; } } printf("\nМеню:\n1)Все числа от 1 до n\n2)Все числа от А до В\n3)Функция Аккермана\n4)Точная степень двойки\n5)Сумма цифр числа\n"); printf("Выберите номер задания\n"); scanf("%d",&t); } return 0; }
void runTestMulti() { #if defined(DEBUG) os::diag::trace.putString(__PRETTY_FUNCTION__); os::diag::trace.putNewLine(); #endif ts.setClassName("os::core::Thread"); ts.setFunctionNameOrPrefix("sleep()"); Task task1("T1", hal::arch::MIN_STACK_SIZE); Task task2("T2", hal::arch::MIN_STACK_SIZE); Task task3("T3", hal::arch::MIN_STACK_SIZE); Task task4("T4", hal::arch::MIN_STACK_SIZE); Task task5("T5", hal::arch::MIN_STACK_SIZE); Task* taskArray[5] = { &task1, &task2, &task3, &task4, &task5 }; for (auto pTask : taskArray) { ts.setPreconditions(pTask->getName()); ts.assertCondition(pTask->getCount() == 0); } for (auto pTask : taskArray) { ts.assertCondition(pTask->getThread().start()); } for (auto pTask : taskArray) { pTask->getThread().join(); } for (auto pTask : taskArray) { ts.setPreconditions(pTask->getName()); ts.assertCondition( ((pTask->getDeltaTicks() - pTask->getCount()) <= pTask->getSleepCalls())); } }
int ACE_TMAIN(int argc, ACE_TCHAR *argv[]) { int priority = (ACE_Sched_Params::priority_min (ACE_SCHED_FIFO) + ACE_Sched_Params::priority_max (ACE_SCHED_FIFO)) / 2; // Enable FIFO scheduling, e.g., RT scheduling class on Solaris. if (ACE_OS::sched_params (ACE_Sched_Params (ACE_SCHED_FIFO, priority, ACE_SCOPE_PROCESS)) != 0) { if (ACE_OS::last_error () == EPERM) { ACE_DEBUG ((LM_DEBUG, "client (%P|%t): user is not superuser, " "test runs in time-shared class\n")); } else ACE_ERROR ((LM_ERROR, "client (%P|%t): sched_params failed\n")); } try { CORBA::ORB_var orb = CORBA::ORB_init (argc, argv); if (parse_args (argc, argv) != 0) return 1; CORBA::Object_var object = orb->string_to_object (ior); Test::Roundtrip_var roundtrip = Test::Roundtrip::_narrow (object.in ()); if (CORBA::is_nil (roundtrip.in ())) { ACE_ERROR_RETURN ((LM_ERROR, "Nil Test::Roundtrip reference <%s>\n", ior), 1); } /// Begin the test ACE_DEBUG ((LM_DEBUG, "Starting threads\n")); Client_Task task0 (data_type, sz, roundtrip.in (), niterations); Client_Task task1 (data_type, sz, roundtrip.in (), niterations); Client_Task task2 (data_type, sz, roundtrip.in (), niterations); Client_Task task3 (data_type, sz, roundtrip.in (), niterations); ACE_hrtime_t test_start = ACE_OS::gethrtime (); task0.activate (THR_NEW_LWP | THR_JOINABLE); task1.activate (THR_NEW_LWP | THR_JOINABLE); task2.activate (THR_NEW_LWP | THR_JOINABLE); task3.activate (THR_NEW_LWP | THR_JOINABLE); task0.thr_mgr()->wait (); ACE_hrtime_t test_end = ACE_OS::gethrtime (); ACE_DEBUG ((LM_DEBUG, "Threads finished\n")); ACE_DEBUG ((LM_DEBUG, "High resolution timer calibration....")); ACE_High_Res_Timer::global_scale_factor_type gsf = ACE_High_Res_Timer::global_scale_factor (); ACE_DEBUG ((LM_DEBUG, "done\n")); ACE_Basic_Stats totals; task0.accumulate_and_dump (totals, ACE_TEXT("Task[0]"), gsf); task1.accumulate_and_dump (totals, ACE_TEXT("Task[1]"), gsf); task2.accumulate_and_dump (totals, ACE_TEXT("Task[2]"), gsf); task3.accumulate_and_dump (totals, ACE_TEXT("Task[3]"), gsf); totals.dump_results (ACE_TEXT("Total"), gsf); ACE_Throughput_Stats::dump_throughput (ACE_TEXT("Total"), gsf, test_end - test_start, totals.samples_count ()); if (do_shutdown) { roundtrip->shutdown (); } } catch (const CORBA::Exception& ex) { ex._tao_print_exception ("Exception caught:"); return 1; } return 0; }
void Scheduler_ut::test_tasks() { IPRINTF("\nExecuting %s\n", __func__); /* Create the tasks. */ Task_properties tprops; tprops.period = units::Nanoseconds(20 * units::MSEC); tprops.prio = higher_priority; Test_task task1("task_2_1", 1); CPPUNIT_ASSERT_EQUAL(true, task1.set_properties(tprops)); CPPUNIT_ASSERT_EQUAL(true, task1.is_valid()); tprops.prio = lower_priority; Test_task task2("task_2_2", 2); CPPUNIT_ASSERT_EQUAL(true, task2.set_properties(tprops)); CPPUNIT_ASSERT_EQUAL(true, task2.is_valid()); tprops.period = units::Nanoseconds(10 * units::MSEC); tprops.prio = highest_priority; Test_task task3("task_1_3", 3); CPPUNIT_ASSERT_EQUAL(true, task3.set_properties(tprops)); CPPUNIT_ASSERT_EQUAL(true, task3.is_valid()); tprops.period = units::Nanoseconds(40 * units::MSEC); tprops.prio = lowest_priority; Test_task task4("task_4_4", 4); CPPUNIT_ASSERT_EQUAL(true, task4.set_properties(tprops)); CPPUNIT_ASSERT_EQUAL(true, task4.is_valid()); /* Set up this task with invalid period (faster than the scheduler). */ tprops.period = units::Nanoseconds(sched_period / 2); tprops.prio = lowest_priority; Test_task task5("task_invalid_period", 5); CPPUNIT_ASSERT_EQUAL(true, task5.set_properties(tprops)); CPPUNIT_ASSERT_EQUAL(true, task5.is_valid()); /* Runtimes should be zero before the task starts. */ units::Nanoseconds last_runtime = task1.get_last_runtime(); CPPUNIT_ASSERT_EQUAL(units::Nanoseconds(0), last_runtime); CPPUNIT_ASSERT_EQUAL(units::Nanoseconds(0), task1.get_max_runtime()); /* Off to the races. */ task_terminated = false; CPPUNIT_ASSERT_EQUAL(true, task1.start()); CPPUNIT_ASSERT_EQUAL(true, task2.start()); CPPUNIT_ASSERT_EQUAL(true, task3.start()); CPPUNIT_ASSERT_EQUAL(true, task4.start()); IPRINTF("\nTesting invalid period, an error is expected\n"); CPPUNIT_ASSERT_EQUAL(false, task5.start()); /* Not the most reliable timing method. */ sleep(units::Nanoseconds(1 * units::SEC)); /* Stop the tasks so the counters stop incrementing. This makes * cleanup faster too. */ DPRINTF("Halting all test tasks\n"); DPRINTF("Stopping task 1\n"); task1.stop(); DPRINTF("Stopping task 2\n"); task2.stop(); DPRINTF("Stopping task 3\n"); task3.stop(); DPRINTF("Stopping task 4\n"); task4.stop(); CPPUNIT_ASSERT_EQUAL(true, task_terminated); /* Check the counters to see if the counts match. Allow some variance * to account for the imprecision of halting the task based on a * timer. */ CPPUNIT_ASSERT((counter[1] >= 48) && (counter[1] <= 60)); CPPUNIT_ASSERT((counter[2] >= 48) && (counter[2] <= 60)); CPPUNIT_ASSERT((counter[3] >= 98) && (counter[3] <= 110)); CPPUNIT_ASSERT((counter[4] >= 23) && (counter[4] <= 35)); /* Check that the runtimes are reasonable. */ last_runtime = task1.get_last_runtime(); IPRINTF("last_runtime = %" PRId64 "\n", int64_t(last_runtime)); CPPUNIT_ASSERT(last_runtime > units::Nanoseconds(0)); CPPUNIT_ASSERT(task1.get_max_runtime() >= last_runtime); }
// // a task gets dispatched on every tick_flag tick (10ms) // void task_dispatch(void) { /* scan the task bits for an active task and execute it */ char task; /* take care of the task timers. if the value ==0 skip it else decrement it. If it decrements to zero, activate the task associated with it */ task=0; while (task < NUM_TASKS ) { if (task_timers[task]) { task_timers[task]--; /* dec the timer */ if (task_timers[task] == 0 ) { set_task(task); /* if ==0 activate the task bit */ } } task++; } task = 0; /* start at the most significant task */ while (task <= NUM_TASKS ) { if ((task_bits & pgm_read_byte(&bit_mask[task]))) { break; /* if activate task found..*/ } task++; /* else try the next one */ } switch(task) /* if task bit is active..execute the task */ { case 0: task0(); break; case 1: task1(); break; case 2: task2(); break; case 3: task3(); break; case 4: task4(); break; case 5: task5(); break; case 6: task6(); break; case 7: task7(); break; default: break; /* no task was active!! */ } }
void PriorityTapeGroupTest::testSchedule() { auto_ptr<PriorityTape> priority0(new PriorityTape()); auto_ptr<PriorityTape> priority1(new PriorityTape()); auto_ptr<PriorityTape> priority2(new PriorityTape()); auto_ptr<PriorityTape> priority3(new PriorityTape()); PriorityTapeTask task0(priority0.get(),10,0,1); PriorityTapeTask task1(priority1.get(),10,0,1); PriorityTapeTask task2(priority2.get(),10,0,1); PriorityTapeTask task3(priority3.get(),10,0,1); vector<string> tapes; tapes.push_back("01000001"); tapes.push_back("01000002"); tapes.push_back("02000001"); tapes.push_back("02000002"); vector<PriorityTape *> priorities; priorities.push_back(priority0.get()); priorities.push_back(priority1.get()); priorities.push_back(priority2.get()); priorities.push_back(priority3.get()); auto_ptr<PriorityTapeGroup> group(new PriorityTapeGroup(tapes,priorities)); task0.Start(); task1.Start(); task2.Start(); task3.Start(); boost::this_thread::sleep( boost::posix_time::milliseconds(10) ); CPPUNIT_ASSERT( false == task0.Finished() ); CPPUNIT_ASSERT( false == task1.Finished() ); CPPUNIT_ASSERT( false == task2.Finished() ); CPPUNIT_ASSERT( false == task3.Finished() ); group->Enable(true); task0.Start(); task1.Start(); task2.Start(); task3.Start(); boost::this_thread::sleep( boost::posix_time::milliseconds(10) ); CPPUNIT_ASSERT( true == task0.Finished() ); CPPUNIT_ASSERT( true == task1.Finished() ); CPPUNIT_ASSERT( true == task2.Finished() ); CPPUNIT_ASSERT( true == task3.Finished() ); group->Enable(false); task0.Start(); task1.Start(); task2.Start(); task3.Start(); boost::this_thread::sleep( boost::posix_time::milliseconds(10) ); CPPUNIT_ASSERT( false == task0.Finished() ); CPPUNIT_ASSERT( false == task1.Finished() ); CPPUNIT_ASSERT( false == task2.Finished() ); CPPUNIT_ASSERT( false == task3.Finished() ); boost::posix_time::ptime begin = boost::posix_time::microsec_clock::local_time(); CPPUNIT_ASSERT( false == group->Request(false,10,0) ); boost::posix_time::ptime end = boost::posix_time::microsec_clock::local_time(); int duration = (end - begin).total_milliseconds(); CPPUNIT_ASSERT( duration >= 10 && duration <= 12 ); group->Enable(true); begin = boost::posix_time::microsec_clock::local_time(); CPPUNIT_ASSERT( true == group->Request(false,10,0) ); end = boost::posix_time::microsec_clock::local_time(); duration = (end - begin).total_milliseconds(); CPPUNIT_ASSERT( duration <= 5 ); begin = boost::posix_time::microsec_clock::local_time(); CPPUNIT_ASSERT( false == group->Request(false,10,0) ); end = boost::posix_time::microsec_clock::local_time(); duration = (end - begin).total_milliseconds(); CPPUNIT_ASSERT_MESSAGE( boost::lexical_cast<string>(duration), duration >= 10 && duration <= 12 ); CPPUNIT_ASSERT( duration >= 10 && duration <= 12 ); group->Release(false); begin = boost::posix_time::microsec_clock::local_time(); CPPUNIT_ASSERT( true == group->Request(false,10,0) ); end = boost::posix_time::microsec_clock::local_time(); duration = (end - begin).total_milliseconds(); CPPUNIT_ASSERT( duration <= 5 ); group->Release(false); begin = boost::posix_time::microsec_clock::local_time(); CPPUNIT_ASSERT( true == group->Request(true,10,0) ); end = boost::posix_time::microsec_clock::local_time(); duration = (end - begin).total_milliseconds(); CPPUNIT_ASSERT( duration <= 5 ); begin = boost::posix_time::microsec_clock::local_time(); CPPUNIT_ASSERT( true == group->Request(true,10,0) ); end = boost::posix_time::microsec_clock::local_time(); duration = (end - begin).total_milliseconds(); CPPUNIT_ASSERT( duration <= 5 ); begin = boost::posix_time::microsec_clock::local_time(); CPPUNIT_ASSERT( true == group->Request(false,10,0) ); end = boost::posix_time::microsec_clock::local_time(); duration = (end - begin).total_milliseconds(); CPPUNIT_ASSERT( duration <= 5 ); begin = boost::posix_time::microsec_clock::local_time(); CPPUNIT_ASSERT( false == group->Request(false,10,0) ); end = boost::posix_time::microsec_clock::local_time(); duration = (end - begin).total_milliseconds(); CPPUNIT_ASSERT_MESSAGE( boost::lexical_cast<string>(duration), duration >= 10 && duration <= 12 ); CPPUNIT_ASSERT( duration >= 10 && duration <= 12 ); group->Release(true); begin = boost::posix_time::microsec_clock::local_time(); CPPUNIT_ASSERT( false == group->Request(false,10,0) ); end = boost::posix_time::microsec_clock::local_time(); duration = (end - begin).total_milliseconds(); CPPUNIT_ASSERT( duration >= 10 && duration <= 12 ); group->Release(false); begin = boost::posix_time::microsec_clock::local_time(); CPPUNIT_ASSERT( true == group->Request(false,10,0) ); end = boost::posix_time::microsec_clock::local_time(); duration = (end - begin).total_milliseconds(); CPPUNIT_ASSERT( duration <= 5 ); group->Release(true); group->Release(false); }
int main(int argc, const char * argv[]) { runTests(); task3(); return 0; }
int run_main (int argc, ACE_TCHAR *argv[]) { #if defined (ACE_HAS_WIN32_PRIORITY_CLASS) ACE_Get_Opt get_opt (argc, argv, ACE_TEXT ("dp:")); #else ACE_Get_Opt get_opt (argc, argv, ACE_TEXT ("d")); #endif int opt; while ((opt = get_opt ()) != EOF) { switch (opt) { case 'd': debug_test = 1u; break; #if defined (ACE_HAS_WIN32_PRIORITY_CLASS) case 'p': process_id = ACE_OS::atoi (get_opt.opt_arg ()); break; #endif } } if (get_opt.opt_ind () == argc - 1) { // child process: sleep & exit ACE_TCHAR lognm[MAXPATHLEN]; int const mypid (ACE_OS::getpid ()); ACE_OS::snprintf (lognm, MAXPATHLEN, ACE_TEXT ("Process_Manager_Test-child-%d"), mypid); ACE_START_TEST (lognm); int const secs = ACE_OS::atoi (argv[get_opt.opt_ind ()]); ACE_OS::sleep (secs ? secs : 1); ACE_TCHAR prio[64]; #if defined (ACE_WIN32_HAS_PRIORITY_CLASS) DWORD priority = ::GetPriorityClass (::GetCurrentProcess()); check_process_priority(priority); if (priority == ABOVE_NORMAL_PRIORITY_CLASS) ACE_OS::snprintf (prio, 64, ACE_TEXT ("and priority 'above normal'")); else if (priority == BELOW_NORMAL_PRIORITY_CLASS) ACE_OS::snprintf (prio, 64, ACE_TEXT ("and priority 'below normal'")); else if (priority == HIGH_PRIORITY_CLASS) ACE_OS::snprintf (prio, 64, ACE_TEXT ("and priority 'high'")); else if (priority == IDLE_PRIORITY_CLASS) ACE_OS::snprintf (prio, 64, ACE_TEXT ("and priority 'idle'")); else if (priority == NORMAL_PRIORITY_CLASS) ACE_OS::snprintf (prio, 64, ACE_TEXT ("and priority 'normal'")); else if (priority == REALTIME_PRIORITY_CLASS) ACE_OS::snprintf (prio, 64, ACE_TEXT ("and priority 'realtime'")); #else prio[0] = ACE_TEXT ('\0'); #endif if (debug_test) ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("%T: pid %P about to exit with code %d %s\n"), secs, prio)); ACE_END_LOG; return secs; } if (get_opt.opt_ind () != argc) // incorrect usage usage (argv[0]); ACE_START_TEST (ACE_TEXT ("Process_Manager_Test")); int test_status = 0; #ifdef ACE_HAS_PROCESS_SPAWN int result = 0; if ((result = command_line_test ()) != 0) test_status = result; // Try the explicit <ACE_Process_Manager::wait> functions ACE_Process_Manager mgr; mgr.register_handler (new Exit_Handler ("default")); ACE_exitcode exitcode; // -------------------------------------------------- // wait for a specific PID pid_t child1 = spawn_child (argc > 0 ? argv[0] : ACE_TEXT ("Process_Manager_Test"), mgr, 1, 1); result = mgr.wait (child1, &exitcode); if (result != child1) { ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P) Error: expected to reap child1 (%d); got %d\n"), child1, result)); if (result == ACE_INVALID_PID) ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P) %p\n"), ACE_TEXT ("error"))); test_status = 1; } else ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("(%P) reaped child1, pid %d: %d\n"), child1, exitcode)); // -------------------------------------------------- // wait for a specific PID; another should finish first pid_t child2 = spawn_child (argc > 0 ? argv[0] : ACE_TEXT ("Process_Manager_Test"), mgr, 1, 2); pid_t child3 = spawn_child (argc > 0 ? argv[0] : ACE_TEXT ("Process_Manager_Test"), mgr, 4, 3); result = mgr.wait (child3, &exitcode); if (result != child3) { ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P) Error: expected to reap child3 (%d); got %d\n"), child3, result)); if (result == ACE_INVALID_PID) ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P) %p\n"), ACE_TEXT ("error"))); test_status = 1; } else ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("(%P) reaped child 3, pid %d: %d\n"), child3, exitcode)); // Now wait for any...should get the one that finished earlier. result = mgr.wait (0, &exitcode); if (result != child2) { ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P) Error: expected to reap child2 (%d); got %d\n"), child2, result)); if (result == ACE_INVALID_PID) ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P) %p\n"), ACE_TEXT ("error"))); test_status = 1; } else ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("(%P) reaped child 2, pid %d: %d\n"), result, exitcode)); // -------------------------------------------------- // Try the timed wait functions // This one shouldn't timeout: pid_t child4 = spawn_child (argc > 0 ? argv[0] : ACE_TEXT ("Process_Manager_Test"), mgr, 1, 4); #if defined (ACE_HAS_CPP11) result = mgr.wait (0, std::chrono::seconds (4), &exitcode); #else result = mgr.wait (0, ACE_Time_Value (4), &exitcode); #endif if (result != child4) { ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P) Error: expected to reap child4 (%d); got %d\n"), child4, result)); if (result == ACE_INVALID_PID) ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P) %p\n"), ACE_TEXT ("error"))); test_status = 1; } else ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("(%P) reaped child 4 pid %d: %d\n"), result, exitcode)); // This one should timeout: pid_t child5 = spawn_child (argc > 0 ? argv[0] : ACE_TEXT ("Process_Manager_Test"), mgr, 4, 5); result = mgr.wait (0, ACE_Time_Value (1), &exitcode); if (result != 0) { ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P) Error: expected wait to time out; got %d\n"), result)); if (result == ACE_INVALID_PID) ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P) %p\n"), ACE_TEXT ("error"))); test_status = 1; } else ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("(%P) Correctly timed out wait at child 5\n"))); // Now wait indefinitely to clean up... result = mgr.wait (0, &exitcode); if (result != child5) { ACE_ERROR ((LM_ERROR, ACE_TEXT ("Error: expected to reap child5 pid %d; got %d\n"), child5, result)); if (result == ACE_INVALID_PID) ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P) %p\n"), ACE_TEXT ("error"))); test_status = 1; } else ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("(%P) reaped child 5, pid %d: %d\n"), result, exitcode)); // Terminate a child process and make sure we can wait for it. pid_t child6 = spawn_child (argc > 0 ? argv[0] : ACE_TEXT ("Process_Manager_Test"), mgr, 5, 6); ACE_exitcode status6; if (-1 == mgr.terminate (child6)) { ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P) %p\n"), ACE_TEXT ("terminate child6"))); test_status = 1; mgr.wait (child6, &status6); // Wait for child to exit just to clean up } else { if (-1 == mgr.wait (child6, &status6)) { ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P) wait on child6 reported ACE_INVALID_PID\n"))); test_status = 1; } else { // Get the results of the termination. #if !defined(ACE_WIN32) if (WIFSIGNALED (status6) != 0) ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("(%P) child6 died on signal %d - correct\n"), WTERMSIG (status6))); else ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P) child6 should have died on signal, ") ACE_TEXT ("but didn't; exit status %d\n"), WEXITSTATUS (status6))); #else ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("(%P) The process terminated with exit code %d\n"), status6)); #endif /*ACE_WIN32*/ } } #ifdef ACE_HAS_THREADS Process_Task task1 (argc > 0 ? argv[0] : ACE_TEXT ("Process_Manager_Test"), mgr, 3); Process_Task task2 (argc > 0 ? argv[0] : ACE_TEXT ("Process_Manager_Test"), mgr, 2); Process_Task task3 (argc > 0 ? argv[0] : ACE_TEXT ("Process_Manager_Test"), mgr, 1); task1.open (0); task2.open (0); task3.open (0); while (running_tasks!=0) { ACE_OS::sleep (1); ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("(%P) still running tasks\n"))); } ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("(%P) result: '%C'\n"), order.c_str ())); if (order != "321123") { ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P) wrong order of spawns ('%C', should be '321123')\n"), order.c_str ())); test_status = 1; } #endif /* ACE_HAS_THREADS */ #if !defined (ACE_OPENVMS) && \ (defined ACE_WIN32 || !defined ACE_LACKS_UNIX_SIGNALS) // -------------------------------------------------- // Finally, try the reactor stuff... mgr.open (ACE_Process_Manager::DEFAULT_SIZE, ACE_Reactor::instance ()); pid_t child7 = spawn_child (argc > 0 ? argv[0] : ACE_TEXT ("Process_Manager_Test"), mgr, 5, 7); /* pid_t child8 = */ spawn_child (argc > 0 ? argv[0] : ACE_TEXT ("Process_Manager_Test"), mgr, 6, 0); mgr.register_handler (new Exit_Handler ("specific"), child7); ACE_Time_Value how_long (10); ACE_Reactor::instance ()->run_reactor_event_loop (how_long); ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("(%P) Reactor loop done!\n") )); size_t const nr_procs = mgr.managed (); if (nr_procs != 0) ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P) %d processes left in manager\n"), nr_procs)); #endif /* !defined (ACE_OPENVMS) */ #endif // ACE_HAS_PROCESS_SPAWN ACE_END_TEST; return test_status; }
int main() { printf("Variant C\n"); printf("Is it possible to read and write using only O_APPEND flag : %s\n", task1()); printf("Is it possible to read from arbitrary position in the file using lseek() : %s\n", task2()); printf("Is it possible to use lseek to change data in arbitrary position : %s\n", task3()); }
/* * Main method that runs task 3. */ int main(int argc, char *argv[]) { return task3(); }
int ACE_TMAIN (int argc, ACE_TCHAR *argv[]) { try { // Initialize orb CORBA::ORB_var orb = CORBA::ORB_init (argc, argv); // Resolve HomeFinder interface CORBA::Object_var obj1 = orb->string_to_object (ior1); CORBA::Object_var obj2 = orb->string_to_object (ior2); CORBA::Object_var obj3 = orb->string_to_object (ior3); CORBA::Object_var obj4 = orb->string_to_object (ior4); if (CORBA::is_nil (obj1.in ()) || CORBA::is_nil (obj2.in ()) || CORBA::is_nil (obj3.in ()) || CORBA::is_nil (obj4.in ())) { ACE_ERROR_RETURN ((LM_ERROR, "Nil Benchmark::RoundtripClient reference\n"), 1); } //Narrow to appropriate interfaces Benchmark::RoundTripClient_var client1= Benchmark::RoundTripClient::_narrow (obj1.in()); Benchmark::RoundTripClient_var client2= Benchmark::RoundTripClient::_narrow (obj1.in()); Benchmark::RoundTripClient_var client3= Benchmark::RoundTripClient::_narrow (obj1.in()); Benchmark::RoundTripClient_var client4= Benchmark::RoundTripClient::_narrow (obj1.in()); //Create Tasks Client_Task task1(client1.in()); Client_Task task2(client2.in()); Client_Task task3(client3.in()); Client_Task task4(client4.in()); task1.activate(THR_NEW_LWP | THR_JOINABLE); task2.activate(THR_NEW_LWP | THR_JOINABLE); task3.activate(THR_NEW_LWP | THR_JOINABLE); task4.activate(THR_NEW_LWP | THR_JOINABLE); task1.thr_mgr()->wait(); } catch (const CORBA::Exception& ex) { ex._tao_print_exception ("Exception Caught:"); return 1; } return 0; }