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-rw-r--r--cppu/source/UnsafeBridge/UnsafeBridge.cxx144
1 files changed, 144 insertions, 0 deletions
diff --git a/cppu/source/UnsafeBridge/UnsafeBridge.cxx b/cppu/source/UnsafeBridge/UnsafeBridge.cxx
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+++ b/cppu/source/UnsafeBridge/UnsafeBridge.cxx
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+/* -*- 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 .
+ */
+
+#include <osl/mutex.hxx>
+#include <osl/thread.h>
+#include <osl/thread.hxx>
+#include <sal/log.hxx>
+
+#include <cppu/Enterable.hxx>
+#include <cppu/helper/purpenv/Environment.hxx>
+#include <cppu/helper/purpenv/Mapping.hxx>
+
+namespace {
+
+class UnsafeBridge : public cppu::Enterable
+{
+ osl::Mutex m_mutex;
+ sal_Int32 m_count;
+ oslThreadIdentifier m_threadId;
+
+ virtual ~UnsafeBridge() override;
+
+public:
+ explicit UnsafeBridge();
+
+ virtual void v_callInto_v(uno_EnvCallee * pCallee, va_list * pParam) override;
+ virtual void v_callOut_v (uno_EnvCallee * pCallee, va_list * pParam) override;
+
+ virtual void v_enter() override;
+ virtual void v_leave() override;
+
+ virtual bool v_isValid(OUString * pReason) override;
+};
+
+}
+
+UnsafeBridge::UnsafeBridge()
+ : m_count (0),
+ m_threadId(0)
+{
+ SAL_INFO("cppu.unsafebridge", "LIFE: UnsafeBridge::UnsafeBridge(uno_Environment * pEnv) -> " << this);
+}
+
+UnsafeBridge::~UnsafeBridge()
+{
+ SAL_INFO("cppu.unsafebridge", "LIFE: UnsafeBridge::~UnsafeBridge() -> " << this);
+
+ SAL_WARN_IF(m_count < 0, "cppu.unsafebridge", "m_count is less than 0");
+}
+
+void UnsafeBridge::v_callInto_v(uno_EnvCallee * pCallee, va_list * pParam)
+{
+ enter();
+ pCallee(pParam);
+ leave();
+}
+
+void UnsafeBridge::v_callOut_v(uno_EnvCallee * pCallee, va_list * pParam)
+{
+ SAL_WARN_IF(m_count <= 0, "cppu.unsafebridge", "m_count is less than or equal to 0");
+
+ -- m_count;
+ pCallee(pParam);
+ ++ m_count;
+
+ if (!m_threadId)
+ m_threadId = osl::Thread::getCurrentIdentifier();
+}
+
+void UnsafeBridge::v_enter()
+{
+ m_mutex.acquire();
+
+ SAL_WARN_IF(m_count < 0, "cppu.unsafebridge", "m_count is less than 0");
+
+ if (m_count == 0)
+ m_threadId = osl::Thread::getCurrentIdentifier();
+
+ ++ m_count;
+}
+
+void UnsafeBridge::v_leave()
+{
+ SAL_WARN_IF(m_count <= 0, "cppu.unsafebridge", "m_count is less than or equal to 0");
+
+ -- m_count;
+ if (!m_count)
+ m_threadId = 0;
+
+
+ m_mutex.release();
+}
+
+bool UnsafeBridge::v_isValid(OUString * pReason)
+{
+ bool result = m_count > 0;
+ if (!result)
+ {
+ *pReason = "not entered";
+ }
+ else
+ {
+ result = m_threadId == osl::Thread::getCurrentIdentifier();
+
+ if (!result)
+ *pReason = "wrong thread";
+ }
+
+ if (result)
+ *pReason = "OK";
+
+ return result;
+}
+
+extern "C" void SAL_DLLPUBLIC_EXPORT uno_initEnvironment(uno_Environment * pEnv)
+ SAL_THROW_EXTERN_C()
+{
+ cppu::helper::purpenv::Environment_initWithEnterable(pEnv, new UnsafeBridge());
+}
+
+extern "C" void SAL_DLLPUBLIC_EXPORT uno_ext_getMapping(uno_Mapping ** ppMapping,
+ uno_Environment * pFrom,
+ uno_Environment * pTo )
+{
+ cppu::helper::purpenv::createMapping(ppMapping, pFrom, pTo);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */