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#include <iostream>
#include <thread>
#include <mutex>
#include <chrono>
using namespace std;
//code
int value;
mutex valueMutex;
mutex coutMutex;
void fun1()
{
unique_lock<mutex> lg1(coutMutex, defer_lock);
unique_lock<mutex> lg2(valueMutex, defer_lock);
lock(lg1, lg2);
cout << "fun 1 locks cout\n";
cout << "fun 1 locks value\n";
}
void fun2()
{
unique_lock<mutex> lg1(coutMutex, defer_lock);
unique_lock<mutex> lg2(valueMutex, defer_lock);
lock(lg2, lg1);
cout << "fun 2 locks cout\n";
cout << "fun 2 locks value\n";
}
int main()
{
thread t1(fun1);
thread t2(fun2);
t1.join();
t2.join();
}
//=
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