Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 43 insertions, 0 deletions

diff --git a/src/common/RefCountedObj.cc b/src/common/RefCountedObj.cc
new file mode 100644
index 000000000..e4c3fef58
--- /dev/null
+++ b/src/common/RefCountedObj.cc
@@ -0,0 +1,43 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+//
+#include "include/ceph_assert.h"
+
+#include "common/RefCountedObj.h"
+#include "common/ceph_context.h"
+#include "common/dout.h"
+#include "common/valgrind.h"
+
+namespace TOPNSPC::common {
+RefCountedObject::~RefCountedObject()
+{
+  ceph_assert(nref == 0);
+}
+
+void RefCountedObject::put() const {
+  CephContext *local_cct = cct;
+  auto v = --nref;
+  if (local_cct) {
+    lsubdout(local_cct, refs, 1) << "RefCountedObject::put " << this << " "
+		   << (v + 1) << " -> " << v
+		   << dendl;
+  }
+  if (v == 0) {
+    ANNOTATE_HAPPENS_AFTER(&nref);
+    ANNOTATE_HAPPENS_BEFORE_FORGET_ALL(&nref);
+    delete this;
+  } else {
+    ANNOTATE_HAPPENS_BEFORE(&nref);
+  }
+}
+
+void RefCountedObject::_get() const {
+  auto v = ++nref;
+  ceph_assert(v > 1); /* it should never happen that _get() sees nref == 0 */
+  if (cct) {
+    lsubdout(cct, refs, 1) << "RefCountedObject::get " << this << " "
+	     << (v - 1) << " -> " << v << dendl;
+  }
+}
+
+}