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: no-threads 10 11 // <condition_variable> 12 13 // class condition_variable; 14 15 // ~condition_variable(); 16 17 #include <condition_variable> 18 #include <mutex> 19 #include <thread> 20 #include <cassert> 21 22 #include "make_test_thread.h" 23 #include "test_macros.h" 24 25 std::condition_variable* cv; 26 std::mutex m; 27 typedef std::unique_lock<std::mutex> Lock; 28 29 bool f_ready = false; 30 bool g_ready = false; 31 f()32void f() 33 { 34 Lock lk(m); 35 f_ready = true; 36 cv->notify_one(); 37 delete cv; 38 } 39 g()40void g() 41 { 42 Lock lk(m); 43 g_ready = true; 44 cv->notify_one(); 45 while (!f_ready) 46 cv->wait(lk); 47 } 48 main(int,char **)49int main(int, char**) 50 { 51 cv = new std::condition_variable; 52 std::thread th2 = support::make_test_thread(g); 53 Lock lk(m); 54 while (!g_ready) 55 cv->wait(lk); 56 lk.unlock(); 57 std::thread th1 = support::make_test_thread(f); 58 th1.join(); 59 th2.join(); 60 61 return 0; 62 } 63