1 // 2 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 3 // See https://llvm.org/LICENSE.txt for license information. 4 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 5 // 6 //===----------------------------------------------------------------------===// 7 8 // UNSUPPORTED: c++03, c++11, c++14, c++17 9 // UNSUPPORTED: no-threads 10 // XFAIL: availability-synchronization_library-missing 11 // XFAIL: !has-64-bit-atomics 12 // XFAIL: !has-1024-bit-atomics 13 14 // void notify_one() const noexcept; 15 16 #include <atomic> 17 #include <cassert> 18 #include <thread> 19 #include <type_traits> 20 #include <vector> 21 22 #include "atomic_helpers.h" 23 #include "make_test_thread.h" 24 #include "test_macros.h" 25 26 template <typename T> 27 struct TestNotifyOne { operator ()TestNotifyOne28 void operator()() const { 29 T x(T(1)); 30 std::atomic_ref<T> const a(x); 31 32 std::thread t = support::make_test_thread([&]() { 33 a.store(T(3)); 34 a.notify_one(); 35 }); 36 a.wait(T(1)); 37 assert(a.load() == T(3)); 38 t.join(); 39 ASSERT_NOEXCEPT(a.notify_one()); 40 } 41 }; 42 main(int,char **)43int main(int, char**) { 44 TestEachAtomicType<TestNotifyOne>()(); 45 return 0; 46 } 47