edb2400742
This is required for std::condition_variable support Signed-off-by: Amey Inamdar <amey.inamdar@gmail.com>
49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
#include <iostream>
|
|
#include <thread>
|
|
#include <condition_variable>
|
|
#include <chrono>
|
|
#include <mutex>
|
|
#include <atomic>
|
|
#include "unity.h"
|
|
|
|
#if __GTHREADS && __GTHREADS_CXX0X
|
|
|
|
std::condition_variable cv;
|
|
std::mutex cv_m;
|
|
std::atomic<int> i{0};
|
|
|
|
static void waits(int idx, int timeout_ms)
|
|
{
|
|
std::unique_lock<std::mutex> lk(cv_m);
|
|
auto now = std::chrono::system_clock::now();
|
|
|
|
if(cv.wait_until(lk, now + std::chrono::milliseconds(timeout_ms), [](){return i == 1;}))
|
|
std::cout << "Thread " << idx << " finished waiting. i == " << i << '\n';
|
|
else
|
|
std::cout << "Thread " << idx << " timed out. i == " << i << '\n';
|
|
}
|
|
|
|
static void signals(int signal_ms)
|
|
{
|
|
std::this_thread::sleep_for(std::chrono::milliseconds(signal_ms));
|
|
std::cout << "Notifying...\n";
|
|
cv.notify_all();
|
|
std::this_thread::sleep_for(std::chrono::milliseconds(signal_ms));
|
|
i = 1;
|
|
std::cout << "Notifying again...\n";
|
|
cv.notify_all();
|
|
}
|
|
|
|
TEST_CASE("C++ condition_variable", "[std::condition_variable]")
|
|
{
|
|
i = 0;
|
|
std::thread t1(waits, 1, 100), t2(waits, 2, 800), t3(signals, 200);
|
|
|
|
t1.join();
|
|
t2.join();
|
|
t3.join();
|
|
|
|
std::cout << "All threads joined\n";
|
|
}
|
|
#endif
|