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<?xml version="1.0" encoding="gb2312"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"/><title>linux for ppc chapter 16               jacobw </title></head><body><center><h1>BBS 水木清华站∶精华区</h1></center><a name="top"></a>发信人:&nbsp;plato&nbsp;(纯真年代),&nbsp;信区:&nbsp;Embedded&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />标&nbsp;&nbsp;题:&nbsp;linux&nbsp;for&nbsp;ppc&nbsp;chapter&nbsp;16&nbsp;<br />发信站:&nbsp;BBS&nbsp;水木清华站&nbsp;(Wed&nbsp;May&nbsp;30&nbsp;23:21:43&nbsp;2001)&nbsp;<br />&nbsp;<br />Next&nbsp;Previous&nbsp;Contents&nbsp;<br />----------------------------------------------------------------------------&nbsp;<br />----&nbsp;<br />16.&nbsp;Threads&nbsp;<br />If&nbsp;you&nbsp;need&nbsp;multithreading,&nbsp;using&nbsp;POSIX&nbsp;threads&nbsp;will&nbsp;give&nbsp;your&nbsp;application&nbsp;p&nbsp;<br />ortability,&nbsp;even&nbsp;to&nbsp;non-Linux&nbsp;embedded&nbsp;systems.&nbsp;For&nbsp;example,&nbsp;they're&nbsp;support&nbsp;<br />ed&nbsp;by&nbsp;EL/IX&nbsp;(see&nbsp;<a href="http://sources.redhat.com/elix/),">http://sources.redhat.com/elix/),</a>&nbsp;eCos,&nbsp;RTEMs,&nbsp;and&nbsp;virtuall&nbsp;<br />y&nbsp;all&nbsp;desktop&nbsp;systems.&nbsp;<br />POSIX&nbsp;threads&nbsp;support&nbsp;is&nbsp;supplied&nbsp;with&nbsp;glibc2&nbsp;as&nbsp;an&nbsp;add-on,&nbsp;enabled&nbsp;by&nbsp;confi&nbsp;<br />guring&nbsp;with&nbsp;'--enable-add-ons=linuxthreads'.&nbsp;<br />It&nbsp;is&nbsp;also&nbsp;possible&nbsp;to&nbsp;build&nbsp;older&nbsp;(i.e.&nbsp;smaller)&nbsp;libc5&nbsp;with&nbsp;LinuxThreads.&nbsp;S&nbsp;<br />ee:&nbsp;<a href="http://pauillac.inria.fr/~xleroy/linuxthreads/faq.html">http://pauillac.inria.fr/~xleroy/linuxthreads/faq.html</a>&nbsp;<br />LinuxThread&nbsp;support&nbsp;has&nbsp;now&nbsp;been&nbsp;integrated&nbsp;into&nbsp;the&nbsp;official&nbsp;gdb&nbsp;release&nbsp;(c&nbsp;<br />urrently&nbsp;5.0),&nbsp;which&nbsp;makes&nbsp;thread&nbsp;debugging&nbsp;much&nbsp;easier.&nbsp;Versions&nbsp;of&nbsp;gdb&nbsp;pri&nbsp;<br />or&nbsp;to&nbsp;5.0&nbsp;did&nbsp;not&nbsp;support&nbsp;threads&nbsp;directly,&nbsp;although&nbsp;you&nbsp;can&nbsp;'attach'&nbsp;to&nbsp;the&nbsp;<br />&nbsp;thread&nbsp;processes&nbsp;individually.&nbsp;<br />The&nbsp;courageous&nbsp;can&nbsp;also&nbsp;call&nbsp;clone()&nbsp;directly.&nbsp;<br />----------------------------------------------------------------------------&nbsp;<br />----&nbsp;<br />Next&nbsp;Previous&nbsp;Contents&nbsp;&nbsp;<br />&nbsp;<br />--&nbsp;<br />&nbsp;<br />※&nbsp;来源:·BBS&nbsp;水木清华站&nbsp;smth.org·[FROM:&nbsp;166.111.161.8]&nbsp;<br /><a href="00000016.htm">上一篇</a><a href="javascript:history.go(-1)">返回上一页</a><a href="index.htm">回到目录</a><a href="#top">回到页首</a><a href="00000018.htm">下一篇</a></h1></center><center><h1>BBS 水木清华站∶精华区</h1></center></body></html>
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