linux使用pthread

linux同一进程的两个线程A,B,A是更新操作，B是下载，当下载时，若有更新操作，则让更新线程A利用pthread_kill操作结束B进程，此时对B下载的文件有什么影响？

1.背景多线程中经常需要使用到锁(pthread_mutex_t)来完成多个线程之间的互斥操作。但是互斥锁有一个明显到缺点:只有两种状态，锁定和非锁定。而条件变量则通过允许线程阻塞并等待另一个线程发送唤醒信号的方法弥补了互斥锁的不足，它常和...

Linux系统编程-(pthread)线程创建与使用

1.前言前面文章介绍了Linux下进程的创建、管理、使用、通信，了解了多进程并发；这篇文章介绍Linux下线程的基本使用。线程与进程的区别（1）进程:是操作系统调度最小单位。Linux下可以通过ps、top等命令查看进程的详细信息。（2）线程:是...

Linux系统编程-(pthread)线程的使用案例(分离属性、清理函数等)

这篇文章介绍Linux下线程的创建与基本使用案例，主要是案例代码为主；相关的函数详细介绍在上篇文章里已经介绍过了。1.案例代码:线程的创建下面这份代码演示如何创建线程。在编译的时候需要加上-lpthread 函数原型:#include<pthread.h>int ...

linux系统lampp运行环境使用pthreads PHP扩展出错?400 报错

linux系统lampp运行环境...用find/-name mysql.h 有两个/usr/include/mysql/mysql.h/opt/lampp/include/mysql.h 这两个都试了下，都不行cannot find mysql，求解决~另外想问下在lampp运行环境下，开启pthreads PHP扩展有没有什么其他的方法~

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