| 1 | // RUN: %clangxx_tsan %s -o %t |
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| 2 | // RUN: %run %t 2>&1 | FileCheck %s |
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| 3 | |
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| 4 | #include <iostream> |
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| 5 | #include <future> |
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| 6 | #include <vector> |
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| 7 | |
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| 8 | int main(int argc, const char *argv[]) { |
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| 9 | fprintf(stderr, "Hello world.\n" ); |
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| 10 | |
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| 11 | auto my_task = [] { return 42; }; |
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| 12 | |
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| 13 | std::vector<std::thread> threads; |
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| 14 | |
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| 15 | for (int i = 0; i < 100; i++) { |
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| 16 | std::packaged_task<int(void)> task(my_task); |
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| 17 | std::future<int> future = task.get_future(); |
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| 18 | threads.push_back(std::thread(std::move(task))); |
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| 19 | } |
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| 20 | |
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| 21 | for (auto &t : threads) { |
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| 22 | t.join(); |
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| 23 | } |
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| 24 | |
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| 25 | fprintf(stderr, "Done.\n" ); |
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| 26 | } |
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| 27 | |
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| 28 | // CHECK: Hello world. |
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| 29 | // CHECK-NOT: WARNING: ThreadSanitizer |
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| 30 | // CHECK: Done. |
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| 31 | |
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