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linux下的write函数的源代码实现是怎样的呢？
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黄虎才  
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 More options Apr 24 2010, 10:22 pm
From: 黄虎才 <chinahhu...@gmail.com>
Date: Sun, 25 Apr 2010 10:22:03 +0800
Local: Sat, Apr 24 2010 10:22 pm
Subject: [XiYouLinux] linux下的write函数的源代码实现是怎样的呢？
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linux下的write函数的源代码实现是怎样的呢？查看了glibc中的源代码也没有看到其实现！

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monan  
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 More options Apr 25 2010, 4:53 am
From: monan <mo...@21cn.com>
Date: Sun, 25 Apr 2010 16:53:57 +0800
Local: Sun, Apr 25 2010 4:53 am
Subject: Re: [XiYouLinux] linux下的write函数的源代码实现是怎样的呢？
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于 2010年04月25日 10:22, 黄虎才 写道:
> linux下的write函数的源代码实现是怎样的呢？查看了glibc中的源代码也没有
> 看到其实现！
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看看vfs弄了什么的
想更具体的话 就随便抓一个字符设备的驱动来看啊……

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SIE  
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 More options Apr 25 2010, 10:16 pm
From: SIE <kensou.sie....@gmail.com>
Date: Mon, 26 Apr 2010 10:16:01 +0800
Local: Sun, Apr 25 2010 10:16 pm
Subject: Re: [XiYouLinux] linux下的write函数的源代码实现是怎样的呢？
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在 2010年4月25日 上午10:22，黄虎才 <chinahhu...@gmail.com>写道：

> linux下的write函数的源代码实现是怎样的呢？查看了glibc中的源代码也没有看到其实现！

glibc里头应该只有fwrite吧？
write应该去看内核代码吧。
详细步骤不记得了，大致是到vfs那层，又分什么prepare_write，commit_write之类的，忘掉了。。。。。
一般是到vfs那层有个统一接口，然后具体的fs系统再去实现写动作，例如JFFS2到具体文件系统那层最下面的就是Flash的电擦除和写入了

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#apt-get install wife
The following extra packages will be installed:
wife-house wife-car wife-friends wife-dog wife-mother_in_law wife-kid
wife-no_more_tv_sports wife-kidlibs wife-bricomanialibs
The following packages will be upgraded:ego-restrainer freedom-throttler
Estimated installation time: 47 years
Do you want to continue [Y/n]?

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Amerigo Wang  
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 More options Apr 26 2010, 2:31 am
From: Amerigo Wang <xiyou.wangc...@gmail.com>
Date: Mon, 26 Apr 2010 14:31:05 +0800
Local: Mon, Apr 26 2010 2:31 am
Subject: Re: [XiYouLinux] linux下的write函数的源代码实现是怎样的呢？
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On Sun, Apr 25, 2010 at 10:22:03AM +0800, 黄虎才 wrote:
>linux下的write函数的源代码实现是怎样的呢？查看了glibc中的源代码也没有看到其实现！

你之所以找不到是因为它们是由脚本生成的，你需要查看：

sysdeps/unix/make-syscalls.sh
sysdeps/unix/syscalls.list
sysdeps/unix/syscall-template.S

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黄虎才  
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 More options Apr 26 2010, 4:43 am
From: 黄虎才 <chinahhu...@gmail.com>
Date: Mon, 26 Apr 2010 16:43:46 +0800
Local: Mon, Apr 26 2010 4:43 am
Subject: Re: [XiYouLinux] linux下的write函数的源代码实现是怎样的呢？
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在 2010年4月26日 下午2:31，Amerigo Wang <xiyou.wangc...@gmail.com>写道：

> On Sun, Apr 25, 2010 at 10:22:03AM +0800, 黄虎才 wrote:
> >linux下的write函数的源代码实现是怎样的呢？查看了glibc中的源代码也没有看到其实现！

> 你之所以找不到是因为它们是由脚本生成的，你需要查看：

> sysdeps/unix/make-syscalls.sh
> sysdeps/unix/syscalls.list
> sysdeps/unix/syscall-template.S

>    就是这个了，谢谢学长！

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