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2_threads.cpp

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#pragma region multi-threading

uint32_t g_x = 0;

uint32_t g_last = 10;

void task1()

{

g_x = 1;

}

void task2()

{

g_x = 2;

}

void task3()

{

g_x = 3;

}

void task4()

{

g_x = 4;

}

void task5()

{

g_x = 5;

}

void task6()

{

g_x = 6;

}

void task7()

{

g_x = 7;

}

void task8()

{

g_x = 8;

}

void task9()

{

g_x = 9;

}

void task10()

{

g_x = 10;

}

int main()

{

//write multi thread, create race condition

for (int i = 0; i < 100000; i++)

{

//thread t1(task1, g_x = 1);

std::thread t1(task1);

std::thread t2(task2);

std::thread t3(task3);

std::thread t4(task4);

std::thread t5(task5);

std::thread t6(task6);

std::thread t7(task7);

std::thread t8(task8);

std::thread t9(task9);

std::thread t10(task10);

t1.join();

t2.join();

t3.join();

t4.join();

t5.join();

t6.join();

t7.join();

t8.join();

t9.join();

t10.join();

std::cout << g_x << ",";

if (g_x != 10)

std::cout << "error\n";

}

std::cout << std::endl;

system("Pause");

return 0;

}

#pragma endregion multi-threading