blob: d968e9ef71ea676898cd620fb9c977f22eb4788b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
//===-- thread_inferior.cpp -------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#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 = NULL;
*p = 'a';
delay.store(false);
for (std::thread& t : threads) {
t.join();
}
return 0;
}
|