Creating a branch for experimenting with some ideas for JMS client.rajith_jms_client

git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/rajith_jms_client@1128369 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 54 insertions, 0 deletions

diff --git a/qpid/cpp/src/qpid/sys/windows/Shlib.cpp b/qpid/cpp/src/qpid/sys/windows/Shlib.cpp
new file mode 100644
index 0000000000..ba18747eb4
--- /dev/null
+++ b/qpid/cpp/src/qpid/sys/windows/Shlib.cpp
@@ -0,0 +1,54 @@
+/*
+ * 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 "qpid/sys/Shlib.h"
+#include "qpid/Exception.h"
+#include "qpid/sys/windows/check.h"
+#include <windows.h>
+
+namespace qpid {
+namespace sys {
+
+void Shlib::load(const char* name) {
+    HMODULE h = LoadLibrary(name);
+    if (h == NULL) {
+        throw QPID_WINDOWS_ERROR(GetLastError());
+    }
+    handle = static_cast<void*>(h);
+}
+
+void  Shlib::unload() {
+    if (handle) {
+        if (FreeLibrary(static_cast<HMODULE>(handle)) == 0) {
+            throw QPID_WINDOWS_ERROR(GetLastError());
+        }
+        handle = 0;
+    }
+}
+
+void*  Shlib::getSymbol(const char* name) {
+    // Double cast avoids warning about casting function pointer to object
+    void *sym = reinterpret_cast<void*>(reinterpret_cast<intptr_t>(GetProcAddress(static_cast<HMODULE>(handle), name)));
+    if (sym == NULL)
+        throw QPID_WINDOWS_ERROR(GetLastError());
+    return sym;
+}
+
+}} // namespace qpid::sys