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 <title><![CDATA[简单请教个驱动问题]]></title>
 <link><![CDATA[http://121.40.142.80/read.php?tid=18197]]></link>
 <description><![CDATA[Latest 20 replies of 简单请教个驱动问题]]></description>
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 <title><![CDATA[回 2楼(liyk) 的帖子]]></title>
 <description><![CDATA[这是阻塞型IO，参考《Linux Device Driver》第三版 6.2节&quot;阻塞I/O&quot;的描述]]></description>
 <link><![CDATA[http://121.40.142.80/read.php?tid=18197#206194]]></link>
 <author><![CDATA[kasim]]></author>
 <category><![CDATA[Linux技术交流区]]></category>
 <pubdate><![CDATA[Wed, 07 Nov 2012 06:07:52 +0000]]></pubdate>
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 <description><![CDATA[就是那里的read问题，等待中断发生。]]></description>
 <link><![CDATA[http://121.40.142.80/read.php?tid=18197#206136]]></link>
 <author><![CDATA[liyk]]></author>
 <category><![CDATA[Linux技术交流区]]></category>
 <pubdate><![CDATA[Wed, 07 Nov 2012 03:03:23 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[&gt;read(buttons_fd, current_buttons, sizeof current_buttons) 
这个读取按键的接口可能会阻塞等待按键输入？（猜测）]]></description>
 <link><![CDATA[http://121.40.142.80/read.php?tid=18197#157948]]></link>
 <author><![CDATA[liupeng_ch]]></author>
 <category><![CDATA[Linux技术交流区]]></category>
 <pubdate><![CDATA[Tue, 13 Mar 2012 11:17:57 +0000]]></pubdate>
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