namespace SeverCore
{
class SessionManager
{
static object _lock = new object();
public static void TestSession()
{
lock (_lock)
{
}
}
public static void Test()
{
lock(_lock)
{
UserManager.TestUser();
}
}
}
class UserManager
{
static object _lock = new object();
public static void Test()
{
lock (_lock)
{
SessionManager.TestSession();
}
}
public static void TestUser()
{
lock (_lock)
{
}
}
}
internal class Program
{
static int number = 0;
static object _obj = new object();
static void Thread_1()
{
for (int i = 0; i < 100000; i++)
{
SessionManager.Test();
}
}
static void Thread_2()
{
for (int i = 0; i < 100000; i++)
{
UserManager.TestUser();
}
}
static void Main(string[] args)
{
Task t1 = new Task(Thread_1);
Task t2 = new Task(Thread_2);
t1.Start();
Thread.Sleep(1000);
t2.Start();
Task.WaitAll(t1, t2);
Console.WriteLine(number) ;
}
}
}
데드락을 방지하기는 어렵지만 발생 이후 고치는 게 더 쉽다.
