forked from OSchip/llvm-project
43 lines
1.1 KiB
C++
43 lines
1.1 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <condition_variable>
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// void
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// notify_all_at_thread_exit(condition_variable& cond, unique_lock<mutex> lk);
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#include <condition_variable>
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#include <mutex>
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#include <thread>
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#include <chrono>
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#include <cassert>
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std::condition_variable cv;
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std::mutex mut;
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typedef std::chrono::milliseconds ms;
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typedef std::chrono::high_resolution_clock Clock;
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void func()
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{
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std::unique_lock<std::mutex> lk(mut);
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std::notify_all_at_thread_exit(cv, std::move(lk));
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std::this_thread::sleep_for(ms(300));
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}
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int main()
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{
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std::unique_lock<std::mutex> lk(mut);
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std::thread(func).detach();
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Clock::time_point t0 = Clock::now();
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cv.wait(lk);
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Clock::time_point t1 = Clock::now();
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assert(t1-t0 > ms(250));
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}
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