diff options
Diffstat (limited to 'qpid/cpp/src/qpid/sys/posix/Shlib.cpp')
-rw-r--r-- | qpid/cpp/src/qpid/sys/posix/Shlib.cpp | 60 |
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 --- /dev/null +++ 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 |