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Diffstat (limited to 'media/libmediaplayerservice/SharedLibrary.cpp')
-rw-r--r-- | media/libmediaplayerservice/SharedLibrary.cpp | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/media/libmediaplayerservice/SharedLibrary.cpp b/media/libmediaplayerservice/SharedLibrary.cpp new file mode 100644 index 0000000..178e15d --- /dev/null +++ b/media/libmediaplayerservice/SharedLibrary.cpp @@ -0,0 +1,49 @@ +/* + * Copyright (C) 2013 The Android Open Source Project + * + * Licensed 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. + */ + +//#define LOG_NDEBUG 0 +#define LOG_TAG "Drm" +#include <utils/Log.h> +#include <media/stagefright/foundation/ADebug.h> + +#include <dlfcn.h> + +#include "SharedLibrary.h" + +namespace android { + + SharedLibrary::SharedLibrary(const String8 &path) { + mLibHandle = dlopen(path.string(), RTLD_NOW); + } + + SharedLibrary::~SharedLibrary() { + if (mLibHandle != NULL) { + dlclose(mLibHandle); + mLibHandle = NULL; + } + } + + bool SharedLibrary::operator!() const { + return mLibHandle == NULL; + } + + void *SharedLibrary::lookup(const char *symbol) const { + if (!mLibHandle) { + return NULL; + } + return dlsym(mLibHandle, symbol); + } +}; |