Adding upstream version 18.2.2.upstream/18.2.2

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

1 files changed, 49 insertions, 0 deletions

diff --git a/src/common/ContextCompletion.cc b/src/common/ContextCompletion.cc
new file mode 100644
index 000000000..a4f816834
--- /dev/null
+++ b/src/common/ContextCompletion.cc
@@ -0,0 +1,49 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+#include "common/ContextCompletion.h"
+
+namespace ceph
+{
+
+ContextCompletion::ContextCompletion(Context *ctx, bool ignore_enoent)
+  : m_ctx(ctx),
+    m_ignore_enoent(ignore_enoent), m_ret(0), m_building(true), m_current_ops(0)
+{
+}
+
+void ContextCompletion::finish_adding_requests() {
+  bool complete;
+  {
+    std::lock_guard l(m_lock);
+    m_building = false;
+    complete = (m_current_ops == 0);
+  }
+  if (complete) {
+    m_ctx->complete(m_ret);
+    delete this;
+  }
+}
+
+void ContextCompletion::start_op() {
+  std::lock_guard l(m_lock);
+  ++m_current_ops;
+}
+
+void ContextCompletion::finish_op(int r) {
+  bool complete;
+  {
+    std::lock_guard l(m_lock);
+    if (r < 0 && m_ret == 0 && (!m_ignore_enoent || r != -ENOENT)) {
+      m_ret = r;
+    }
+
+    --m_current_ops;
+    complete = (m_current_ops == 0 && !m_building);
+  }
+  if (complete) {
+    m_ctx->complete(m_ret);
+    delete this;
+  }
+}
+
+} // namespace ceph