1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // UNSUPPORTED: libcpp-has-no-threads 10 11 // notify_all_at_thread_exit(...) requires move semantics to transfer the 12 // unique_lock. 13 // UNSUPPORTED: c++03 14 15 // TODO(ldionne): This test fails on Ubuntu Focal on our CI nodes (and only there), in 32 bit mode. 16 // UNSUPPORTED: linux && 32bits-on-64bits 17 18 // <condition_variable> 19 20 // void 21 // notify_all_at_thread_exit(condition_variable& cond, unique_lock<mutex> lk); 22 23 #include <condition_variable> 24 #include <mutex> 25 #include <thread> 26 #include <chrono> 27 #include <cassert> 28 29 #include "make_test_thread.h" 30 #include "test_macros.h" 31 32 std::condition_variable cv; 33 std::mutex mut; 34 35 typedef std::chrono::milliseconds ms; 36 typedef std::chrono::high_resolution_clock Clock; 37 38 void func() 39 { 40 std::unique_lock<std::mutex> lk(mut); 41 std::notify_all_at_thread_exit(cv, std::move(lk)); 42 std::this_thread::sleep_for(ms(300)); 43 } 44 45 int main(int, char**) 46 { 47 std::unique_lock<std::mutex> lk(mut); 48 std::thread t = support::make_test_thread(func); 49 Clock::time_point t0 = Clock::now(); 50 cv.wait(lk); 51 Clock::time_point t1 = Clock::now(); 52 assert(t1-t0 > ms(250)); 53 t.join(); 54 55 return 0; 56 } 57