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【JUC系列】LOCK框架系列之三同步工具类 CountDownLatch

顧棟发布时间：2022-04-26 06:00:00 ，浏览量：3

CountDownLatch

文章目录

CountDownLatch
- 主要成员
- - 构造函数
  - 成员变量
  - 内部类Sync
  - 核心方法
- 示例
- - 使用场景一
  - 使用场景二
- 源码解析

一种并发流程控制的工具类。

主要成员构造函数

接收参数count，代表可以有几个线程持有共享锁。不能小于0。

    public CountDownLatch(int count) {
        if (count


    
        
            
                
                
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	请求信息 : 2025-08-18 12:10:25 HTTP/2.0 GET : /home/article/detail/id/395875.html
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	[2] session_save_path(): open_basedir restriction in effect. File(/var/lib/php/session) is not within the allowed path(s): (/www/wwwroot/www.chaojiit.com/:/tmp/) /www/wwwroot/www.chaojiit.com/ThinkPHP/Common/functions.php 第 1239 行.
[8192] Array and string offset access syntax with curly braces is deprecated /www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Cache/Driver/File.class.php 第 59 行.
[8] Undefined variable: user /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 37 行.
[8] Undefined variable: user /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 98 行.
[8] Trying to access array offset on value of type null /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 98 行.
[8] Undefined variable: user /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 99 行.
[8] Trying to access array offset on value of type null /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 99 行.
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【JUC系列】LOCK框架系列之三 同步工具类 CountDownLatch

[ 申请 ]友情链接：

【JUC系列】LOCK框架系列之三同步工具类 CountDownLatch