Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

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

1 files changed, 72 insertions, 0 deletions

diff --git a/cppu/source/threadpool/jobqueue.hxx b/cppu/source/threadpool/jobqueue.hxx
new file mode 100644
index 000000000..5b92f2476
--- /dev/null
+++ b/cppu/source/threadpool/jobqueue.hxx
@@ -0,0 +1,72 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you 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 .
+ */
+
+#pragma once
+
+#include <sal/config.h>
+
+#include <condition_variable>
+#include <deque>
+#include <memory>
+#include <mutex>
+
+#include <sal/types.h>
+
+namespace cppu_threadpool
+{
+    extern "C" typedef void (RequestFun)(void *);
+
+    struct Job
+    {
+        void *pThreadSpecificData;
+        RequestFun * doRequest;
+    };
+
+    class DisposedCallerAdmin;
+    typedef std::shared_ptr<DisposedCallerAdmin> DisposedCallerAdminHolder;
+
+    class JobQueue
+    {
+    public:
+        JobQueue();
+
+        void add( void *pThreadSpecificData, RequestFun * doRequest );
+
+        void *enter( void const * nDisposeId , bool bReturnWhenNoJob = false );
+        void dispose( void const * nDisposeId );
+
+        void suspend();
+        void resume();
+
+        bool isEmpty() const;
+        bool isCallstackEmpty() const;
+        bool isBusy() const;
+
+    private:
+        mutable std::mutex m_mutex;
+        std::deque < struct Job > m_lstJob;
+        std::deque<void const *>  m_lstCallstack;
+        sal_Int32 m_nToDo;
+        bool m_bSuspended;
+        std::condition_variable m_cndWait;
+        DisposedCallerAdminHolder m_DisposedCallerAdmin;
+    };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */