fcecb14545
Summary: Phase 2. Phase 3. Phase 4. Phase 5. Complete refactor. Reviewers: florijan, mislav.bradac Reviewed By: mislav.bradac Subscribers: mislav.bradac, pullbot Differential Revision: https://phabricator.memgraph.io/D895
41 lines
711 B
C++
41 lines
711 B
C++
#include <atomic>
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#include <chrono>
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#include <mutex>
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#include <thread>
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#include <vector>
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#include "glog/logging.h"
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#include "threading/sync/spinlock.hpp"
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int x = 0;
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SpinLock lock;
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void test_lock() {
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using namespace std::literals;
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{
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std::unique_lock<SpinLock> guard(lock);
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x++;
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std::this_thread::sleep_for(25ms);
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CHECK(x < 2) << "x always has to be less than 2 (other "
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"threads shouldn't be able to change the x simultaneously";
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x--;
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}
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}
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int main() {
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constexpr int N = 16;
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std::vector<std::thread> threads;
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for (int i = 0; i < N; ++i) threads.push_back(std::thread(test_lock));
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for (auto& thread : threads) {
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thread.join();
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}
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return 0;
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}
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