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author | patacongo <patacongo@7fd9a85b-ad96-42d3-883c-3090e2eb8679> | 2012-02-18 18:13:30 +0000 |
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committer | patacongo <patacongo@7fd9a85b-ad96-42d3-883c-3090e2eb8679> | 2012-02-18 18:13:30 +0000 |
commit | f04310d55941bf5e4db3a71a5d3eaca6a6f89616 (patch) | |
tree | ca4c58d32d12949e8d08cb69a652b5e3f7fd0e58 /nuttx/Documentation | |
parent | f60d578a461ee991f5eb42f9ae0dd2e7def75f75 (diff) | |
download | px4-firmware-f04310d55941bf5e4db3a71a5d3eaca6a6f89616.tar.gz px4-firmware-f04310d55941bf5e4db3a71a5d3eaca6a6f89616.tar.bz2 px4-firmware-f04310d55941bf5e4db3a71a5d3eaca6a6f89616.zip |
Correct and error in recv() and recvfrom() return value
git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4402 7fd9a85b-ad96-42d3-883c-3090e2eb8679
Diffstat (limited to 'nuttx/Documentation')
-rw-r--r-- | nuttx/Documentation/NuttxUserGuide.html | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/nuttx/Documentation/NuttxUserGuide.html b/nuttx/Documentation/NuttxUserGuide.html index 78f79b382..614570aa9 100644 --- a/nuttx/Documentation/NuttxUserGuide.html +++ b/nuttx/Documentation/NuttxUserGuide.html @@ -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>. |