Louis Dionne a7f9895cc1 [runtimes] Rename various libcpp-has-no-XYZ Lit features to just no-XYZ
Since those features are general properties of the environment, it makes
sense to use them from libc++abi too, and so the name libcpp-has-no-xxx
doesn't make sense.

Differential Revision: https://reviews.llvm.org/D126482
2022-05-27 15:24:45 -04:00

74 lines
1.5 KiB
C++

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: no-threads
// <condition_variable>
// class condition_variable;
// void notify_all();
#include <condition_variable>
#include <mutex>
#include <thread>
#include <cassert>
#include "make_test_thread.h"
#include "test_macros.h"
std::condition_variable cv;
std::mutex mut;
int test0 = 0;
int test1 = 0;
int test2 = 0;
void f1()
{
std::unique_lock<std::mutex> lk(mut);
assert(test1 == 0);
while (test1 == 0)
cv.wait(lk);
assert(test1 == 1);
test1 = 2;
}
void f2()
{
std::unique_lock<std::mutex> lk(mut);
assert(test2 == 0);
while (test2 == 0)
cv.wait(lk);
assert(test2 == 1);
test2 = 2;
}
int main(int, char**)
{
std::thread t1 = support::make_test_thread(f1);
std::thread t2 = support::make_test_thread(f2);
std::this_thread::sleep_for(std::chrono::milliseconds(100));
{
std::unique_lock<std::mutex>lk(mut);
test1 = 1;
test2 = 1;
}
cv.notify_all();
{
std::this_thread::sleep_for(std::chrono::milliseconds(100));
std::unique_lock<std::mutex>lk(mut);
}
t1.join();
t2.join();
assert(test1 == 2);
assert(test2 == 2);
return 0;
}