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Correct and error in recv() and recvfrom() return value

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4402 42af7a65-404d-4744-a932-0658087f49c3
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patacongo 2012-02-18 18:13:30 +00:00
parent 81fe6ac99b
commit fdacfae6e4
1 changed files with 4 additions and 4 deletions
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8
Documentation/NuttxUserGuide.html
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@ -13,7 +13,7 @@
<h1><big><font color="#3c34ec"><i>NuttX Operating System<p>User's Manual</i></font></big></h1>
<p><small>by</small></p>
<p>Gregory Nutt<p>
<p>Last Updated: December 5, 2011</p>
<p>Last Updated: February 18, 2011</p>
</td>
</tr>
</table>
@ -7391,8 +7391,7 @@ Those socket APIs are discussed in the following paragraphs.</p>
</ul>
<p>
<b>Returned Values:</b>
see <a href="#recvfrom"><code>recvfrom()</code></a>.
Zero on success.
See <a href="#recvfrom"><code>recvfrom()</code></a>.
</p>
<h3><a name="recvfrom">2.12.9 <code>recvfrom</code></a></h3>
@ -7429,7 +7428,8 @@ Those socket APIs are discussed in the following paragraphs.</p>
<p>
<b>Returned Values:</b>
On success, returns the number of characters sent.
On error, -1 is returned, and <a href="#ErrnoAccess"><code>errno</code></a> is set appropriately:
If no data is available to be received and the peer has performed an orderly shutdown, recv() will return 0.
Othwerwise, on errors, -1 is returned, and <a href="#ErrnoAccess"><code>errno</code></a> is set appropriately:
</p>
<ul>
<li><code>EAGAIN</code>.