1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96
|
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. 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);
}
|