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| //===-- thread_inferior.cpp -------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include <atomic>
#include <chrono>
#include <string>
#include <thread>
#include <vector>
int main(int argc, char* argv[]) {
int thread_count = 2;
if (argc > 1) {
thread_count = std::stoi(argv[1], nullptr, 10);
}
std::atomic<bool> delay(true);
std::vector<std::thread> threads;
for (int i = 0; i < thread_count; i++) {
threads.push_back(std::thread([&delay] {
while (delay.load())
std::this_thread::sleep_for(std::chrono::seconds(1));
}));
}
// Cause a break.
volatile char *p = nullptr;
*p = 'a';
delay.store(false);
for (std::thread& t : threads) {
t.join();
}
return 0;
}
|