CSharp Locking and Inter Thread Communication

Links

• http://www.albahari.com/threading/part4.aspx

• http://stackoverflow.com/questions/15164408/lock-free-concurrent-queue
• http://stackoverflow.com/questions/505515/c-sharp-thread-safety-with-get-set
• http://stackoverflow.com/questions/251391/why-is-lockthis-bad
• http://www.codeproject.com/Articles/8018/Bounded-Blocking-Queue-One-Lock
• http://stackoverflow.com/questions/6029804/how-does-lock-work-exactly

bool lockWasTaken = false;
var temp = obj;
try
{
    Monitor.Enter(temp, ref lockWasTaken);
    // body
}
finally
{
    if (lockWasTaken)
    {
        Monitor.Exit(temp); 
    }
}