Write a standard lock() plus double check to create a
critical section around a variable access?
Answer / debmalya kundu
using System;
using System.Text;
using System.Threading;
namespace thread01
{
public class Counter
{
private int _count=0;
private int _even=0;
public int Count { get { return _count; } }
public int EvenCount { get { return _even; } }
private Object theLock = new Object();
public void UpdateCount()
{
lock (theLock)
{
_count = _count + 1;
if (Count % 2 == 0) // An even number
{
_even += 1;
}
}
}
}
class Program
{
static void Main(string[] args)
{
Counter count = new Counter();
ParameterizedThreadStart starter = new
ParameterizedThreadStart(Program.UpdateCount);
Thread[] threads = new Thread[10];
for (int x = 0; x < 10; ++x)
{
threads[x] = new Thread(starter);
threads[x].Start(count);
}
for (int y = 0; y < 10; ++y)
{
threads[y].Join();
}
Console.WriteLine("Total: {0} - Even: {1}",
count.Count,count.EvenCount);
Console.ReadKey();
Console.ReadKey();
}
static void UpdateCount(object param)
{
Counter count = (Counter)param;
for (int z = 1; z <= 100000; ++z)
{
count.UpdateCount();
}
}
}
}
| Is This Answer Correct ? | 3 Yes | 0 No |
What is interval time of GC in .net
What are validator? Name the Validation controls in asp.net? How do u disable them?
What is http session state?
What is another word for redirect?
What are the Application_Start and Session_Start subroutines used for?
What is gridview in asp.net?
How would you get ASP.NET running in Apache web servers - why would you even do this?
How do you relate an aspx page with its code behind Page?
What is Cookies Less Session?
What does the "EnableViewState" property do? Why would I want it on or off?
What is the difference between session and viewstate?
How can we prevent browser from caching an aspx page?
Visual Basic (800)
C Sharp (3816)
ASP.NET (3180)
VB.NET (461)
COM+ (79)
ADO.NET (717)
IIS (369)
MTS (11)
Crystal Reports (81)
BizTalk (89)
Dot Net (2435)
Exchange Server (362)
SharePoint (720)
WCF (340)
MS Office Microsoft (6963)
LINQ Language-Integrated Query (317)
WPF (371)
TypeScript (144)
Microsoft Related AllOther (311)