1 files changed, 46 insertions, 0 deletions
diff --git a/src/common/ContextCompletion.h b/src/common/ContextCompletion.h
new file mode 100644
index 000000000..86c51b2b8
--- /dev/null
+++ b/src/common/ContextCompletion.h
@@ -0,0 +1,46 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+#ifndef CEPH_ASYNC_COMPLETION_H
+#define CEPH_ASYNC_COMPLETION_H
+
+#include "include/Context.h"
+
+namespace ceph {
+
+class ContextCompletion {
+public:
+  ContextCompletion(Context *ctx, bool ignore_enoent);
+
+  void finish_adding_requests();
+
+  void start_op();
+  void finish_op(int r);
+
+private:
+  ceph::mutex m_lock = ceph::make_mutex("ContextCompletion::m_lock");
+  Context *m_ctx;
+  bool m_ignore_enoent;
+  int m_ret;
+  bool m_building;
+  uint64_t m_current_ops;
+};
+
+class C_ContextCompletion : public Context {
+public:
+  C_ContextCompletion(ContextCompletion &context_completion)
+    : m_context_completion(context_completion)
+  {
+    m_context_completion.start_op();
+  }
+
+  void finish(int r) override {
+    m_context_completion.finish_op(r);
+  }
+
+private:
+  ContextCompletion &m_context_completion;
+};
+
+} // namespace ceph
+
+#endif // CEPH_ASYNC_COMPLETION_H