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, 88 insertions, 0 deletions

diff --git a/sal/osl/w32/mutex.cxx b/sal/osl/w32/mutex.cxx
new file mode 100644
index 000000000..7de4c41ee
--- /dev/null
+++ b/sal/osl/w32/mutex.cxx
@@ -0,0 +1,88 @@
+/* -*- 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 <sal/config.h>
+
+#include "system.h"
+
+#include <osl/mutex.h>
+#include <osl/diagnose.h>
+
+/*
+    Implementation notes:
+    The void* hidden by oslMutex points to a WIN32
+    CRITICAL_SECTION structure.
+*/
+
+oslMutex SAL_CALL osl_createMutex(void)
+{
+    CRITICAL_SECTION* pMutexImpl;
+
+    pMutexImpl = static_cast<CRITICAL_SECTION*>(calloc(sizeof(CRITICAL_SECTION), 1));
+
+    OSL_ASSERT(pMutexImpl); /* alloc successful? */
+
+    InitializeCriticalSection(pMutexImpl);
+
+    return reinterpret_cast<oslMutex>(pMutexImpl);
+}
+
+void SAL_CALL osl_destroyMutex(oslMutex Mutex)
+{
+    CRITICAL_SECTION* pMutexImpl = reinterpret_cast<CRITICAL_SECTION*>(Mutex);
+
+    if (pMutexImpl)
+    {
+        DeleteCriticalSection(pMutexImpl);
+        free(pMutexImpl);
+    }
+}
+
+sal_Bool SAL_CALL osl_acquireMutex(oslMutex Mutex)
+{
+    CRITICAL_SECTION* pMutexImpl = reinterpret_cast<CRITICAL_SECTION*>(Mutex);
+
+    OSL_ASSERT(Mutex);
+
+    EnterCriticalSection(pMutexImpl);
+
+    return true;
+}
+
+sal_Bool SAL_CALL osl_tryToAcquireMutex(oslMutex Mutex)
+{
+    CRITICAL_SECTION* pMutexImpl = reinterpret_cast<CRITICAL_SECTION*>(Mutex);
+
+    OSL_ASSERT(Mutex);
+
+    return TryEnterCriticalSection(pMutexImpl) != FALSE;
+}
+
+sal_Bool SAL_CALL osl_releaseMutex(oslMutex Mutex)
+{
+    CRITICAL_SECTION* pMutexImpl = reinterpret_cast<CRITICAL_SECTION*>(Mutex);
+
+    OSL_ASSERT(Mutex);
+
+    LeaveCriticalSection(pMutexImpl);
+
+    return true;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */