1 files changed, 47 insertions, 0 deletions
diff --git a/src/main/cpp/objectptr.cpp b/src/main/cpp/objectptr.cpp
new file mode 100755
index 0000000..0c4f306
--- /dev/null
+++ b/src/main/cpp/objectptr.cpp
@@ -0,0 +1,47 @@
+/*
+ * 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
+ *
+ * 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.
+ */
+
+#include <log4cxx/helpers/objectptr.h>
+#include <log4cxx/helpers/exception.h>
+#include <apr_atomic.h>
+
+using namespace log4cxx::helpers;
+
+ObjectPtrBase::ObjectPtrBase() {
+}
+
+ObjectPtrBase::~ObjectPtrBase() {
+}
+
+void ObjectPtrBase::checkNull(const int& null) {
+    if (null != 0) {
+       throw IllegalArgumentException(LOG4CXX_STR("Attempt to set pointer to a non-zero numeric value."));
+    }
+}
+
+void* ObjectPtrBase::exchange(void** destination, void* newValue) {
+#if _WIN32 && (!defined(_MSC_VER) || _MSC_VER >= 1300)
+    return InterlockedExchangePointer(destination, newValue);
+#elif APR_SIZEOF_VOIDP == 4
+   return (void*) apr_atomic_xchg32((volatile apr_uint32_t*) destination,
+                          (apr_uint32_t) newValue);
+#else
+   void* oldValue = *destination;
+   *destination = newValue;
+   return oldValue;
+#endif
+}