C++ BPatch::pollForStatusChange方法代码示例

// static bool mutatorTest3and4(int testno, const char *testname)
test_results_t test_thread_3_Mutator::executeTest() {
  test3_threadCreateCounter = 0;
  callback_tids.clear();

  unsigned int timeout = 0; // in ms
  int err = 0;

  BPatchAsyncThreadEventCallback createcb = threadCreateCB;
  if (!bpatch->registerThreadEventCallback(BPatch_threadCreateEvent, createcb))
  {
    FAIL_MES(TESTNAME, TESTDESC);
    logerror("%s[%d]:  failed to register thread callback\n",
           __FILE__, __LINE__);
    appThread->getProcess()->terminateExecution();
    return FAILED;
  }

#if 0
  //  unset mutateeIde to trigger thread (10) spawn.
  int zero = 0;
  // FIXME Check the return value of setVar()
  setVar("mutateeIdle", (void *) &zero, TESTNO, TESTDESC);
  dprintf("%s[%d]:  continue execution for test %d\n", __FILE__, __LINE__, TESTNO);
  appThread->continueExecution();
#endif

  //  wait until we have received the desired number of events
  //  (or timeout happens)

  BPatch_Vector<BPatch_thread *> threads;
  BPatch_process *appProc = appThread->getProcess();
  assert(appProc);
  appProc->getThreads(threads);
  int active_threads = 11; // FIXME Magic number
  threads.clear();
  while (((test3_threadCreateCounter < TEST3_THREADS)
         || (active_threads > 1))
         && (timeout < TIMEOUT)) {
    dprintf("%s[%d]: waiting for completion for test %d, num active threads = %d\n",
            __FILE__, __LINE__, TESTNO, active_threads);
    sleep_ms(SLEEP_INTERVAL/*ms*/);
    timeout += SLEEP_INTERVAL;
    if (appProc->isTerminated()) {
       dprintf("%s[%d]:  BAD NEWS:  somehow the process died\n", __FILE__, __LINE__);
       err = 1;
       break;
    }
    bpatch->pollForStatusChange();
    if (appProc->isStopped()) {
        appProc->continueExecution();
    }
    appProc->getThreads(threads);
    active_threads = threads.size();
    threads.clear();
  }

  if (timeout >= TIMEOUT) {
    FAIL_MES(TESTNAME, TESTDESC);
    logerror("%s[%d]:  test timed out. got %d/10 events\n", __FILE__, __LINE__, test3_threadCreateCounter);
    logerror("test3_createCounter is %d, expected %d; active threads %d, expected %d\n",
            test3_threadCreateCounter, TEST3_THREADS, active_threads, 1);
    err = 1;
  }

  dprintf("%s[%d]: ending test %d, num active threads = %d\n",
            __FILE__, __LINE__, TESTNO, active_threads);
  dprintf("%s[%d]:  stop execution for test %d\n", __FILE__, __LINE__, TESTNO);
  appProc->stopExecution();

  //   read all tids from the mutatee and verify that we got them all
  unsigned long mutatee_tids[TEST3_THREADS];
  const char *threads_varname = "test4_threads";
  getVar(threads_varname, (void *) mutatee_tids,
         (sizeof(unsigned long) * TEST3_THREADS),
         TESTNO, TESTDESC);

  if (debugPrint()) {
    dprintf("%s[%d]:  read following tids for test%d from mutatee\n", __FILE__, __LINE__, TESTNO);

    for (unsigned int i = 0; i < TEST3_THREADS; ++i) {
       dprintf("\t%lu\n", mutatee_tids[i]);
    }
  }

  for (unsigned int i = 0; i < TEST3_THREADS; ++i) {
     bool found = false;
     for (unsigned int j = 0; j < callback_tids.size(); ++j) {
       if (callback_tids[j] == mutatee_tids[i]) {
         found = true;
         break;
       }
     }

    if (!found) {
      FAIL_MES(TESTNAME, TESTDESC);
      logerror("%s[%d]:  could not find record for tid %lu: have these:\n",
             __FILE__, __LINE__, mutatee_tids[i]);
       for (unsigned int j = 0; j < callback_tids.size(); ++j) {
          logerror("%lu\n", callback_tids[j]);
//.........这里部分代码省略.........

//.........这里部分代码省略.........
		return FAILED;
	}
	if (debugPrint()) 
	{
		int one = 1;
		const char *varName = "libraryDebug";
		if (setVar(varName, (void *) &one, TESTNO, TESTNAME)) 
		{
			logerror("%s[%d]:  Error setting variable '%s' in mutatee\n", 
					FILE__, __LINE__, varName);
			bpatch->removeUserEventCallback(test7cb);
                        appProc->terminateExecution();
			return FAILED;
		}
	}

	dprintf("%s[%d]:  did instrumentation, continuing process...: %s\n", 
			__FILE__, __LINE__, libname);
	//  unset mutateeIdle to trigger mutatee to issue messages.

	int timeout = 0;

        appProc->continueExecution();

	dprintf("%s[%d]:  continued process...: %s\n", 
			__FILE__, __LINE__, libname);
	//  wait until we have received the desired number of events
	//  (or timeout happens)

	while(!test7err && !test7done && (timeout < TIMEOUT)) 
	{
		sleep_ms(SLEEP_INTERVAL/*ms*/);
		timeout += SLEEP_INTERVAL;
		bpatch->pollForStatusChange();

                if (appProc->isTerminated())
		{
			BPatch_exitType et = appProc->terminationStatus();
			if (et == ExitedNormally)
			{
				int ecode = appProc->getExitCode();
				logerror("%s[%d]:  normal exit with code %d\n",
						__FILE__, __LINE__, ecode);
			}
			if (et == ExitedViaSignal)
			{
				int ecode = appProc->getExitSignal();
				logerror("%s[%d]:  caught signal %d\n",
						__FILE__, __LINE__, ecode);
			}
			log_res();
			bpatch->removeUserEventCallback(test7cb);
			return FAILED;
		}
	}

	dprintf("%s[%d]:  after wait loop:  test7err = %s, test7done = %s, timeout = %d\n", 
			__FILE__, __LINE__, test7err ? "true" : "false", test7done ? "true" : "false", timeout);

	if (timeout >= TIMEOUT) 
	{
		FAIL_MES(TESTNAME, TESTDESC);
		logerror("%s[%d]:  test timed out: %d ms\n",
				__FILE__, __LINE__, TIMEOUT);
		test7err = true;
	}