C++ (Cpp) system_tap_queue_dequeueの例

コード例 #1

ファイル: OsMsgQShared.cpp プロジェクト: ATHLSolutions/sipxecs

// Helper function for removing a message from the head of the queue
OsStatus OsMsgQShared::doReceive(OsMsg*& rpMsg, const OsTime& rTimeout)
{
  OsStatus ret;

  if (!rTimeout.isInfinite())
  {
    int expireFromNow = rTimeout.cvtToMsecs();
    if (try_dequeue(rpMsg, expireFromNow))
      ret = OS_SUCCESS;
    else
      ret = OS_WAIT_TIMEOUT;
  }
  else
  {
    dequeue(rpMsg);
    ret = OS_SUCCESS;
  }

   system_tap_queue_dequeue(mName.data(), 0, _queue.size());

   return ret;
}

コード例 #2

ファイル: OsMsgQShared.cpp プロジェクト: ossapp/sipxecs

// Helper function for removing a message from the head of the queue
OsStatus OsMsgQShared::doReceive(OsMsg*& rpMsg, const OsTime& rTimeout)
{
   OsStatus ret;

#ifdef MSGQ_IS_VALID_CHECK /* [ */
   ret = mGuard.acquire();         // start critical section
   assert(ret == OS_SUCCESS);

   testMessageQ();
   mNumRemoveEntry++;

   ret = mGuard.release();         // exit critical section
   assert(ret == OS_SUCCESS);
#endif /* MSGQ_IS_VALID_CHECK ] */

   ret = mFull.acquire(rTimeout);  // wait for a message to be available
   if (ret != OS_SUCCESS)
   {
      if (ret == OS_BUSY || ret == OS_WAIT_TIMEOUT)
         ret = OS_WAIT_TIMEOUT;   // receive timed out
      else
      {
         assert(FALSE);
         ret = OS_UNSPECIFIED;
      }
   }
   else
   {
      ret = mGuard.acquire();         // start critical section
      assert(ret == OS_SUCCESS);

      assert(numMsgs() > 0);
      rpMsg = (OsMsg*) mDlist.get();  // get the first message

      if (rpMsg == NULL)              // was there a message?
      {
         assert(FALSE);
         ret = OS_UNSPECIFIED;
      }
      else
      {
         ret = mEmpty.release();         // the remove operation succeeded, signal
         assert(ret == OS_SUCCESS);      //  senders that there is an available
                                         //  message slot.
      }

      (void)mGuard.release();         // exit critical section
   }

#ifdef MSGQ_IS_VALID_CHECK /* [ */
   OsStatus rc = mGuard.acquire();         // start critical section
   assert(rc == OS_SUCCESS);

   if (ret == OS_SUCCESS)
      mNumRemoveExitOk++;
   else
      mNumRemoveExitFail++;

   testMessageQ();

   rc = mGuard.release();         // exit critical section
   assert(rc == OS_SUCCESS);
#endif /* MSGQ_IS_VALID_CHECK ] */

   system_tap_queue_dequeue(mName.data(), 0, mDlist.entries());

   return ret;
}