bind msgi to shm, change offset_ptr to abs offset.

lichao

2021-04-23 02ba913dc7bb5d711471b27f2ea23a897d0f2e28

 src/sendq.cpp

@@ -33,7 +33,7 @@
         info.on_expire_(info.data_);
      }
      if (info.data_.index() == 0) {
         boost::variant2::get<0>(info.data_).Release(mq.shm());
         boost::variant2::get<0>(info.data_).Release();
      }
   }

@@ -43,13 +43,13 @@
         auto &msg = boost::variant2::get<0>(pos->data().data_);
         r = mq.TrySend(*(MQId *) remote.data(), msg);
         if (r) {
            msg.Release(mq.shm());
            msg.Release();
         }
      } else {
         auto &content = boost::variant2::get<1>(pos->data().data_);
         MsgI msg;
         if (msg.Make(mq.shm(), content)) {
            DEFER1(msg.Release(mq.shm()););
         if (msg.Make(content)) {
            DEFER1(msg.Release(););
            r = mq.TrySend(*(MQId *) remote.data(), msg);
         }
      }