initial code repo

[stor4nfv.git] / src / ceph / src / common / ContextCompletion.cc

diff --git a/src/ceph/src/common/ContextCompletion.cc b/src/ceph/src/common/ContextCompletion.cc
new file mode 100644 (file)
index 0000000..d5ff9f2
--- /dev/null
+++ b/src/ceph/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_lock("ceph::ContextCompletion::m_lock"), 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;
+  {
+    Mutex::Locker l(m_lock);
+    m_building = false;
+    complete = (m_current_ops == 0);
+  }
+  if (complete) {
+    m_ctx->complete(m_ret);
+    delete this;
+  }
+}
+
+void ContextCompletion::start_op() {
+  Mutex::Locker l(m_lock);
+  ++m_current_ops;
+}
+
+void ContextCompletion::finish_op(int r) {
+  bool complete;
+  {
+    Mutex::Locker 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