cxx/test/thread/thread.condition/thread.condition.condvarany/notify_one.pass.cpp
2010-05-11 21:36:01 +00:00

97 lines
1.7 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <condition_variable>
// class condition_variable_any;
// void notify_one();
#include <condition_variable>
#include <mutex>
#include <thread>
#include <cassert>
std::condition_variable_any cv;
typedef std::timed_mutex L0;
typedef std::unique_lock<L0> L1;
L0 m0;
int test0 = 0;
int test1 = 0;
int test2 = 0;
void f1()
{
L1 lk(m0);
assert(test1 == 0);
while (test1 == 0)
cv.wait(lk);
assert(test1 == 1);
test1 = 2;
}
void f2()
{
L1 lk(m0);
assert(test2 == 0);
while (test2 == 0)
cv.wait(lk);
assert(test2 == 1);
test2 = 2;
}
int main()
{
std::thread t1(f1);
std::thread t2(f2);
std::this_thread::sleep_for(std::chrono::milliseconds(100));
{
L1 lk(m0);
test1 = 1;
test2 = 1;
}
cv.notify_one();
{
std::this_thread::sleep_for(std::chrono::milliseconds(100));
L1 lk(m0);
}
if (test1 == 2)
{
t1.join();
test1 = 0;
}
else if (test2 == 2)
{
t2.join();
test2 = 0;
}
else
assert(false);
cv.notify_one();
{
std::this_thread::sleep_for(std::chrono::milliseconds(100));
L1 lk(m0);
}
if (test1 == 2)
{
t1.join();
test1 = 0;
}
else if (test2 == 2)
{
t2.join();
test2 = 0;
}
else
assert(false);
}