/*
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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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#ifndef NETDUTILS_THREADUTIL_H
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#define NETDUTILS_THREADUTIL_H
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#include <pthread.h>
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#include <memory>
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#include <android-base/logging.h>
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namespace android {
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namespace netdutils {
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struct scoped_pthread_attr {
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scoped_pthread_attr() { pthread_attr_init(&attr); }
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~scoped_pthread_attr() { pthread_attr_destroy(&attr); }
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int detach() { return -pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); }
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pthread_attr_t attr;
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};
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template <typename T>
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inline void* runAndDelete(void* obj) {
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std::unique_ptr<T> handler(reinterpret_cast<T*>(obj));
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handler->run();
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return nullptr;
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}
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template <typename T>
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inline int threadLaunch(T* obj) {
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if (obj == nullptr) {
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return -EINVAL;
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}
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scoped_pthread_attr scoped_attr;
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int rval = scoped_attr.detach();
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if (rval != 0) {
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return rval;
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}
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pthread_t thread;
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rval = pthread_create(&thread, &scoped_attr.attr, &runAndDelete<T>, obj);
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if (rval != 0) {
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LOG(WARNING) << __func__ << ": pthread_create failed: " << rval;
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return -rval;
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}
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return rval;
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}
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} // namespace netdutils
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} // namespace android
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#endif // NETDUTILS_THREADUTIL_H
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