| 1 | //===-- thread_inferior.cpp -----------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include <atomic> |
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| 10 | #include <chrono> |
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| 11 | #include <string> |
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| 12 | #include <thread> |
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| 13 | #include <vector> |
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| 14 | |
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| 15 | int main(int argc, char* argv[]) { |
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| 16 | int thread_count = 2; |
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| 17 | if (argc > 1) { |
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| 18 | thread_count = std::stoi(str: argv[1], idx: nullptr, base: 10); |
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| 19 | } |
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| 20 | |
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| 21 | std::atomic<bool> delay(true); |
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| 22 | std::vector<std::thread> threads; |
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| 23 | for (int i = 0; i < thread_count; i++) { |
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| 24 | threads.push_back(x: std::thread([&delay] { |
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| 25 | while (delay.load()) |
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| 26 | std::this_thread::sleep_for(rtime: std::chrono::seconds(1)); |
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| 27 | })); |
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| 28 | } |
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| 29 | |
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| 30 | // Cause a break. |
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| 31 | volatile char *p = nullptr; |
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| 32 | *p = 'a'; |
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| 33 | |
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| 34 | delay.store(i: false); |
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| 35 | for (std::thread& t : threads) { |
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| 36 | t.join(); |
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| 37 | } |
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| 38 | |
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| 39 | return 0; |
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| 40 | } |
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| 41 | |
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