1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // UNSUPPORTED: libcpp-has-no-threads 11 12 // <condition_variable> 13 14 // class condition_variable_any; 15 16 // template <class Lock> 17 // void wait(Lock& lock); 18 19 #include <condition_variable> 20 #include <mutex> 21 #include <thread> 22 #include <cassert> 23 24 std::condition_variable_any cv; 25 26 typedef std::timed_mutex L0; 27 typedef std::unique_lock<L0> L1; 28 29 L0 m0; 30 31 int test1 = 0; 32 int test2 = 0; 33 34 void f() 35 { 36 L1 lk(m0); 37 assert(test2 == 0); 38 test1 = 1; 39 cv.notify_one(); 40 while (test2 == 0) 41 cv.wait(lk); 42 assert(test2 != 0); 43 } 44 45 int main() 46 { 47 L1 lk(m0); 48 std::thread t(f); 49 assert(test1 == 0); 50 while (test1 == 0) 51 cv.wait(lk); 52 assert(test1 != 0); 53 test2 = 1; 54 lk.unlock(); 55 cv.notify_one(); 56 t.join(); 57 } 58
