本文整理汇总了C#中System.Threading.Interlocked.Decrement方法的典型用法代码示例。如果您正苦于以下问题：C# Interlocked.Decrement方法的具体用法？C# Interlocked.Decrement怎么用？C# Interlocked.Decrement使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Threading.Interlocked的用法示例。
在下文中一共展示了Interlocked.Decrement方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Object
//引入命名空间
using System;
using System.Threading;
public class Example
{
const int LOWERBOUND = 0;
const int UPPERBOUND = 1001;
static Object lockObj = new Object();
static Random rnd = new Random();
static CountdownEvent cte;
static int totalCount = 0;
static int totalMidpoint = 0;
static int midpointCount = 10000;
public static void Main()
{
cte = new CountdownEvent(1);
// Start three threads.
for (int ctr = 0; ctr <= 2; ctr++) {
cte.AddCount();
Thread th = new Thread(GenerateNumbers);
th.Name = "Thread" + ctr.ToString();
th.Start();
}
cte.Signal();
cte.Wait();
Console.WriteLine();
Console.WriteLine("Total midpoint values: {0,10:N0} ({1:P3})",
totalMidpoint, totalMidpoint/((double)totalCount));
Console.WriteLine("Total number of values: {0,10:N0}",
totalCount);
}
private static void GenerateNumbers()
{
int midpoint = (UPPERBOUND - LOWERBOUND) / 2;
int value = 0;
int total = 0;
int midpt = 0;
do {
lock (lockObj) {
value = rnd.Next(LOWERBOUND, UPPERBOUND);
}
if (value == midpoint) {
Interlocked.Decrement(ref midpointCount);
midpt++;
}
total++;
} while (midpointCount > 0);
Interlocked.Add(ref totalCount, total);
Interlocked.Add(ref totalMidpoint, midpt);
string s = String.Format("Thread {0}:\n", Thread.CurrentThread.Name) +
String.Format(" Random Numbers: {0:N0}\n", total) +
String.Format(" Midpoint values: {0:N0} ({1:P3})", midpt,
((double) midpt)/total);
Console.WriteLine(s);
cte.Signal();
}
}输出：
Thread Thread2: Random Numbers: 3,204,021 Midpoint values: 3,156 (0.099 %) Thread Thread0: Random Numbers: 4,073,592 Midpoint values: 4,015 (0.099 %) Thread Thread1: Random Numbers: 2,828,192 Midpoint values: 2,829 (0.100 %) Total midpoint values: 10,000 (0.099 %) Total number of values: 10,105,805
示例2: Object
//引入命名空间
using System;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
public class Example
{
const int LOWERBOUND = 0;
const int UPPERBOUND = 1001;
static Object lockObj = new Object();
static Random rnd = new Random();
static int totalCount = 0;
static int totalMidpoint = 0;
static int midpointCount = 50000;
public static async Task Main()
{
List<Task> tasks = new List<Task>();
// Start three tasks.
for (int ctr = 0; ctr <= 2; ctr++)
tasks.Add(Task.Run( () => { int midpoint = (UPPERBOUND - LOWERBOUND) / 2;
int value = 0;
int total = 0;
int midpt = 0;
do {
lock (lockObj) {
value = rnd.Next(LOWERBOUND, UPPERBOUND);
}
if (value == midpoint) {
Interlocked.Decrement(ref midpointCount);
midpt++;
}
total++;
} while (midpointCount > 0 );
Interlocked.Add(ref totalCount, total);
Interlocked.Add(ref totalMidpoint, midpt);
string s = String.Format("Task {0}:\n", Task.CurrentId) +
String.Format(" Random Numbers: {0:N0}\n", total) +
String.Format(" Midpoint values: {0:N0} ({1:P3})", midpt,
((double) midpt)/total);
Console.WriteLine(s);
} ));
await Task.WhenAll(tasks.ToArray());
Console.WriteLine();
Console.WriteLine("Total midpoint values: {0,10:N0} ({1:P3})",
totalMidpoint, totalMidpoint/((double)totalCount));
Console.WriteLine("Total number of values: {0,10:N0}",
totalCount);
}
}输出：
Task 1: Random Numbers: 24,530,624 Midpoint values: 24,675 (0.101 %) Task 2: Random Numbers: 7,079,718 Midpoint values: 7,093 (0.100 %) Task 3: Random Numbers: 18,284,617 Midpoint values: 18,232 (0.100 %) Total midpoint values: 50,000 (0.100 %) Total number of values: 49,894,959
示例3: Main
//引入命名空间
using System;
using System.Threading;
class MainClass
{
public static void Main()
{
int firstInt = 25;
int secondInt = 80;
Console.WriteLine("firstInt initial value = {0}", firstInt);
Console.WriteLine("secondInt initial value = {0}", secondInt);
Interlocked.Decrement(ref firstInt);
Console.WriteLine("firstInt after decrement = {0}", firstInt);
}
}