#include "iostream"
#include <string>
#include <thread>
#include <mutex>
//using namespace std;
thread_local int age = 1;
std::mutex coutMutex;
void increaseAge(const std::string& threaName)
{
++age;
std::lock_guard<std::mutex> lock(coutMutex);
std::cout << "increaseAge for " << threaName << ": " <<age <<std::endl;
}
class A
{
public:
A() =default;
~A() = default;
void threadLocalTest(const std::string& name)
{
thread_local int count = 0;
++count;
std::cout << name << ": " << count << std::endl;
}
};
void TLTest(const std::string& name)
{
A a1;
a1.threadLocalTest(name);
a1.threadLocalTest(name);
A a2;
a2.threadLocalTest(name);
a2.threadLocalTest(name);
}
int main()
{
std::thread A(increaseAge, "A");
std::thread B(increaseAge, "B");
A.join();
B.join();
{
std::lock_guard<std::mutex> lock(coutMutex);
std::cout << "increaseAge for main" << ": " <<age << std::endl;
}
std::thread t1(TLTest, "t1");
t1.join();
std::thread t2(TLTest, "t2");
t2.join();
getchar();
return 0;
}
C++ threadLocal
最新推荐文章于 2024-10-15 00:34:36 发布