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Diffstat (limited to 'qpid/cpp/src/qpid/sys/posix/Shlib.cpp')
-rw-r--r--qpid/cpp/src/qpid/sys/posix/Shlib.cpp60
1 files changed, 60 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/sys/posix/Shlib.cpp b/qpid/cpp/src/qpid/sys/posix/Shlib.cpp
new file mode 100644
index 0000000000..3fb685d5b8
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+++ b/qpid/cpp/src/qpid/sys/posix/Shlib.cpp
@@ -0,0 +1,60 @@
+/*
+ * 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/Msg.h"
+#include <dlfcn.h>
+
+
+namespace qpid {
+namespace sys {
+
+void Shlib::load(const char* name) {
+ ::dlerror();
+ handle = ::dlopen(name, RTLD_NOW);
+ const char* error = ::dlerror();
+ if (error) {
+ throw Exception(QPID_MSG(error << ": " << name));
+ }
+}
+
+void Shlib::unload() {
+ if (handle) {
+ ::dlerror();
+ ::dlclose(handle);
+ const char* error = ::dlerror();
+ if (error) {
+ throw Exception(QPID_MSG(error));
+ }
+ handle = 0;
+ }
+}
+
+void* Shlib::getSymbol(const char* name) {
+ ::dlerror();
+ void* sym = ::dlsym(handle, name);
+ const char* error = ::dlerror();
+ if (error)
+ throw Exception(QPID_MSG(error << ": " << name));
+ return sym;
+}
+
+}} // namespace qpid::sys