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Linux系统调用

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<TITLE>Syscall specifications of Linux - fsync</TITLE>
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<H2><A NAME="SEC15" HREF="syscalls_toc.html#SEC15" tppabs="http://personal.xfol.com/%7erezaie/syscall/syscalls_toc.html#SEC15">fsync</A></H2>
<P>
<H3>SYNOPSIS</H3>
<P>
<CODE>int fsync(int <VAR>fd</VAR>);</CODE>
<P>
<H3>DESCRIPTION</H3>
<P>
Synchronizes the state of the file on disk with the state of the file in
core. (For one thing, it flushes the file buffers.)
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<H3>PARAMETERS</H3>
<P>
<VAR>fd</VAR>: [in] the file to sync.
<P>
<H3>RETURN VALUE</H3>
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On success zero is returned. On error, -1 is returned and <CODE>errno</CODE> is
set to one of: <CODE>EINVAL</CODE>, <CODE>EBADF</CODE> or <CODE>EIO</CODE>.
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