c7b6cae526
Reviewers: buda, dgleich, mferencevic Reviewed By: mferencevic Subscribers: pullbot Differential Revision: https://phabricator.memgraph.io/D1411
53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
#include "utils/thread.hpp"
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#include <sys/prctl.h>
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#include <glog/logging.h>
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namespace utils {
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void ThreadSetName(const std::string &name) {
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CHECK(name.size() <= 16) << "Thread name '" << name << "'too long";
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LOG_IF(WARNING, prctl(PR_SET_NAME, name.c_str()) != 0)
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<< "Couldn't set thread name: " << name << "!";
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}
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Thread::Thread(Thread &&other) {
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DCHECK(thread_id == UNINITIALIZED) << "Thread was initialized before.";
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thread_id = other.thread_id;
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thread = std::move(other.thread);
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}
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void Thread::join() { return thread.join(); }
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std::atomic<unsigned> Thread::thread_counter{1};
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ThreadPool::ThreadPool(size_t threads) {
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for (size_t i = 0; i < threads; ++i)
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workers_.emplace_back([this] {
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while (true) {
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std::function<void()> task;
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{
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std::unique_lock<std::mutex> lock(mutex_);
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cvar_.wait(lock, [this] { return stop_ || !tasks_.empty(); });
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if (stop_ && tasks_.empty()) return;
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task = std::move(tasks_.front());
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tasks_.pop();
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}
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task();
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}
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});
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}
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ThreadPool::~ThreadPool() {
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std::unique_lock<std::mutex> lock(mutex_);
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stop_ = true;
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lock.unlock();
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cvar_.notify_all();
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for (std::thread &worker : workers_) {
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if (worker.joinable()) worker.join();
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}
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}
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} // namespace utils
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