diff options
Diffstat (limited to 'qpid/cpp/src/qpid/sys/windows/Shlib.cpp')
-rw-r--r-- | qpid/cpp/src/qpid/sys/windows/Shlib.cpp | 54 |
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 |