ceph/src/common/AsyncOpTracker.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3
   4 #ifndef CEPH_ASYNC_OP_TRACKER_H
   5 #define CEPH_ASYNC_OP_TRACKER_H
   6
   7 #include "common/ceph_mutex.h"
   8
   9 struct Context;
  10
  11 class AsyncOpTracker {
  12 public:
  13   AsyncOpTracker();
  14   ~AsyncOpTracker();
  15
  16   void start_op();
  17   void finish_op();
  18
  19   void wait_for_ops(Context *on_finish);
  20
  21   bool empty();
  22
  23 private:
  24   ceph::mutex m_lock = ceph::make_mutex("AsyncOpTracker::m_lock");
  25   uint32_t m_pending_ops = 0;
  26   Context *m_on_finish = nullptr;
  27
  28 };
  29
  30 #endif // CEPH_ASYNC_OP_TRACKER_H