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https://github.com/Evolution-X/hardware_interfaces
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0ea406920a
Tests: drm vts tests are passing related-to-bug: 32815560 Change-Id: I2b36f27fbb42eba37f3e5a26acea0e359e60b3af
57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "drm-vts-shared-library"
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#include <dlfcn.h>
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#include <shared_library.h>
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using std::string;
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namespace drm_vts {
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SharedLibrary::SharedLibrary(const string& path) {
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mLibHandle = dlopen(path.c_str(), RTLD_NOW);
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}
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SharedLibrary::~SharedLibrary() {
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if (mLibHandle != NULL) {
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dlclose(mLibHandle);
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mLibHandle = NULL;
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}
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}
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bool SharedLibrary::operator!() const {
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return mLibHandle == NULL;
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}
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void* SharedLibrary::lookup(const char* symbol) const {
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if (!mLibHandle) {
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return NULL;
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}
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// Clear last error before we load the symbol again,
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// in case the caller didn't retrieve it.
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(void)dlerror();
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return dlsym(mLibHandle, symbol);
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}
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const char* SharedLibrary::lastError() const {
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const char* error = dlerror();
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return error ? error : "No errors or unknown error";
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}
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};
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