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 24std::condition_variable_any cv; 25 26typedef std::timed_mutex L0; 27typedef std::unique_lock<L0> L1; 28 29L0 m0; 30 31int test1 = 0; 32int test2 = 0; 33 34void 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 45int 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