Add thread-safe Queue class

* Add m_queue member to Logic class

Change-Id: I31574fccd48cddc8bbb467568cf72c4d80d94803

1 files changed, 62 insertions, 0 deletions

diff --git a/src/queue.cpp b/src/queue.cpp
new file mode 100644
index 0000000..d0ecb41
--- /dev/null
+++ b/src/queue.cpp
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2015 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+/*
+ * @file        queue.cpp
+ * @author      Janusz Kozerski (j.kozerski@samsung.com)
+ * @version     1.0
+ * @brief       This file is the implementation of thread-safe queue
+ */
+
+#include <mutex>
+#include <utility>
+
+#include <cchecker/queue.h>
+
+namespace CCHECKER {
+
+event_t::event_t():
+        event_type(event_type_t::EVENT_TYPE_UNKNOWN),
+        app()
+{}
+
+event_t::event_t(const app_t &app, event_type_t type):
+        event_type(type),
+        app(app)
+{}
+
+void Queue::push_event(const event_t &event)
+{
+    std::lock_guard<std::mutex> lock(m_mutex);
+    m_event_list.push(event);
+}
+
+bool Queue::pop_event(event_t &event)
+{
+    std::lock_guard<std::mutex> lock(m_mutex);
+    if (m_event_list.empty())
+        return false;
+
+    event = std::move(m_event_list.front());
+    m_event_list.pop();
+    return true;
+}
+
+bool Queue::empty()
+{
+    return m_event_list.empty();
+}
+
+} //CCHECKER