<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[StrayBird]]></title><description><![CDATA[Stay Hungry, Stay Foolish. //mailto: chean.xu@gmail.com]]></description><link>https://blog.youkuaiyun.com/IamStrayBird</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; IamStrayBird]]></copyright><item><title><![CDATA[gnome快捷键]]></title><link>https://blog.youkuaiyun.com/IamStrayBird/article/details/6657792</link><guid>https://blog.youkuaiyun.com/IamStrayBird/article/details/6657792</guid><author>IamStrayBird</author><pubDate>Wed, 03 Aug 2011 18:44:42 +0800</pubDate><description><![CDATA[GNOME快捷键 

通用快捷键

Alt + F1 类似Windows下的Win键，在GNOME中打开"应用程序"菜单(Applications) 
Alt + F2 类似Windows下的Win + R组合键，在GNOME中运行应用程序 
Ctrl + Alt +]]></description><category></category></item><item><title><![CDATA[内存屏障: barrier()与mb()]]></title><link>https://blog.youkuaiyun.com/IamStrayBird/article/details/6657035</link><guid>https://blog.youkuaiyun.com/IamStrayBird/article/details/6657035</guid><author>IamStrayBird</author><pubDate>Wed, 03 Aug 2011 15:22:08 +0800</pubDate><description><![CDATA[barrier() 静态内存屏障，防止编译阶段的乱序与优化。
mb() 动态内存屏障，防止CPU处理的乱序。

barrier()在x86中的实现就是一行内嵌汇编代码：
__asm volatile("": : :"memory");告诉编译器，barrier()前后的内]]></description><category></category></item><item><title><![CDATA[Linux进程（之）进程切换函数switch_to()解析]]></title><link>https://blog.youkuaiyun.com/IamStrayBird/article/details/6656345</link><guid>https://blog.youkuaiyun.com/IamStrayBird/article/details/6656345</guid><author>IamStrayBird</author><pubDate>Wed, 03 Aug 2011 13:08:37 +0800</pubDate><description><![CDATA[进程切换过程是由一段汇编代码switch_to完成，主要功能是保存当前进程的esp和eip，恢复切换到的进程的esp和eip。
保证进程被切换回来后，prev是一个正确值也是switch_to需要考虑的问题。]]></description><category></category></item><item><title><![CDATA[植树节，播个种]]></title><link>https://blog.youkuaiyun.com/IamStrayBird/article/details/6245103</link><guid>https://blog.youkuaiyun.com/IamStrayBird/article/details/6245103</guid><author>IamStrayBird</author><pubDate>Sat, 12 Mar 2011 23:02:00 +0800</pubDate><description><![CDATA[<br />今天植树节，来优快云播个种：开始写Blog了，相信一定会有秋收的那一天！]]></description><category></category></item></channel></rss>