<!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/xhtml;charset=UTF-8"/> <title>server: src/server/poll.c Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/search.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript"> $(document).ready(initResizable); </script> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body onload='searchBox.OnSelectItem(0);'> <!-- Generated by Doxygen 1.7.3 --> <script type="text/javascript"><!-- var searchBox = new SearchBox("searchBox", "search",false,'Search'); --></script> <div id="top"> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">server <span id="projectnumber">0.0.1</span></div> <div id="projectbrief">basicserverinfrastructure</div> </td> </tr> </tbody> </table> </div> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> <li id="searchli"> <div id="MSearchBox" class="MSearchBoxInactive"> <span class="left"> <img id="MSearchSelect" src="search/mag_sel.png" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" alt=""/> <input type="text" id="MSearchField" value="Search" accesskey="S" onfocus="searchBox.OnSearchFieldFocus(true)" onblur="searchBox.OnSearchFieldFocus(false)" onkeyup="searchBox.OnSearchFieldChange(event)"/> </span><span class="right"> <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a> </span> </div> </li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>File Members</span></a></li> </ul> </div> </div> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> initNavTree('poll_8c.html',''); </script> <div id="doc-content"> <div class="header"> <div class="headertitle"> <h1>src/server/poll.c</h1> </div> </div> <div class="contents"> <a href="poll_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a><a class="code" href="poll_8c.html#aef9c98bcbff485b7c43831fe918ce4ac">00001</a> <span class="preprocessor">#define POLLFD(ptr) ((struct pollfd *)(ptr))</span> <a name="l00002"></a>00002 <span class="preprocessor"></span> <a name="l00003"></a>00003 <span class="keyword">static</span> <a name="l00004"></a>00004 <span class="keyword">inline</span> <a name="l00005"></a>00005 <span class="keywordtype">int</span> <a name="l00006"></a>00006 sortEvents(<span class="keyword">const</span> <span class="keywordtype">void</span> * a, <span class="keyword">const</span> <span class="keywordtype">void</span> * b) <a name="l00007"></a>00007 { <a name="l00008"></a>00008 <span class="keywordflow">return</span> <a class="code" href="poll_8c.html#aef9c98bcbff485b7c43831fe918ce4ac">POLLFD</a>(a)->events > <a class="code" href="poll_8c.html#aef9c98bcbff485b7c43831fe918ce4ac">POLLFD</a>(b)->events ? <a name="l00009"></a>00009 -1 : <a class="code" href="poll_8c.html#aef9c98bcbff485b7c43831fe918ce4ac">POLLFD</a>(a)->events < <a class="code" href="poll_8c.html#aef9c98bcbff485b7c43831fe918ce4ac">POLLFD</a>(b)->events ? <a name="l00010"></a>00010 1 : 0; <a name="l00011"></a>00011 } <a name="l00012"></a>00012 <a name="l00013"></a>00013 <span class="keyword">static</span> <a name="l00014"></a>00014 <span class="keyword">inline</span> <a name="l00015"></a>00015 <span class="keywordtype">int</span> <a name="l00016"></a>00016 sortRevents(<span class="keyword">const</span> <span class="keywordtype">void</span> * a, <span class="keyword">const</span> <span class="keywordtype">void</span> * b) <a name="l00017"></a>00017 { <a name="l00018"></a>00018 <span class="keywordflow">return</span> <a class="code" href="poll_8c.html#aef9c98bcbff485b7c43831fe918ce4ac">POLLFD</a>(a)->revents > <a class="code" href="poll_8c.html#aef9c98bcbff485b7c43831fe918ce4ac">POLLFD</a>(b)->revents ? <a name="l00019"></a>00019 -1 : <a class="code" href="poll_8c.html#aef9c98bcbff485b7c43831fe918ce4ac">POLLFD</a>(a)->revents < <a class="code" href="poll_8c.html#aef9c98bcbff485b7c43831fe918ce4ac">POLLFD</a>(b)->revents ? <a name="l00020"></a>00020 1 : 0; <a name="l00021"></a>00021 } <a name="l00022"></a>00022 <a name="l00023"></a>00023 <span class="keyword">static</span> <a name="l00024"></a>00024 <span class="keywordtype">int</span> <a name="l00025"></a>00025 serverPoll(<a class="code" href="structServer.html">Server</a> <span class="keyword">this</span>) { <a name="l00026"></a>00026 <span class="keywordtype">int</span> events; <a name="l00027"></a>00027 <a name="l00028"></a>00028 qsort(this->fds, this->nfds, <span class="keyword">sizeof</span>(<span class="keyword">struct</span> pollfd), sortEvents); <a name="l00029"></a>00029 this->nfds -= this->ndel; <a name="l00030"></a>00030 this->ndel = 0; <a name="l00031"></a>00031 <a name="l00032"></a>00032 <span class="comment">/*</span> <a name="l00033"></a>00033 <span class="comment"> * wait for handles to become ready</span> <a name="l00034"></a>00034 <span class="comment"> */</span> <a name="l00035"></a>00035 <span class="keywordflow">if</span> (-1 == (events = poll(this->fds, this->nfds, -1))) { <a name="l00036"></a>00036 <span class="keywordflow">switch</span> (errno) { <a name="l00037"></a>00037 <span class="keywordflow">default</span>: <a name="l00038"></a>00038 <span class="keywordflow">case</span> EBADF: <a name="l00039"></a>00039 <span class="keywordflow">case</span> EINVAL: <a name="l00040"></a>00040 <span class="keywordflow">case</span> ENOMEM: <a name="l00041"></a>00041 <a class="code" href="signalHandling_8h.html#a960e985a396acaabb1bbed4f15668ade">doShutdown</a> = 1; <a name="l00042"></a>00042 <span class="comment">/* Fallthrough */</span> <a name="l00043"></a>00043 <a name="l00044"></a>00044 <span class="keywordflow">case</span> EINTR: <a name="l00045"></a>00045 <a class="code" href="interface_2logger_8h.html#ae9f8662ec8b300dcfb5064906937553e">loggerLog</a>(this->logger, <a class="code" href="logger_8h.html#a63296c69f4b9bf51d6756a5d2c482d1eaa7d55c7b377d82da77e532aa299eeeb0">LOGGER_CRIT</a>, <a name="l00046"></a>00046 <span class="stringliteral">"poll systemcall failed: [%s] - service terminated"</span>, <a name="l00047"></a>00047 strerror(errno)); <a name="l00048"></a>00048 <span class="comment">//exit(EXIT_FAILURE); /* @TODO do real shutdown here */</span> <a name="l00049"></a>00049 } <a name="l00050"></a>00050 } <a name="l00051"></a>00051 <a name="l00052"></a>00052 qsort(this->fds, this->nfds, <span class="keyword">sizeof</span>(<span class="keyword">struct</span> pollfd), sortRevents); <a name="l00053"></a>00053 <a name="l00054"></a>00054 <span class="keywordflow">return</span> events; <a name="l00055"></a>00055 } <a name="l00056"></a>00056 <a name="l00057"></a>00057 <span class="comment">// vim: set ts=4 sw=4:</span> </pre></div></div> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="poll_8c.html">poll.c</a> </li> <li class="footer">Generated on Thu Feb 9 2012 22:38:12 for server by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.3 </li> </ul> </div> <!--- window showing the filter options --> <div id="MSearchSelectWindow" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" onkeydown="return searchBox.OnSearchSelectKey(event)"> <a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Classes</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark"> </span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark"> </span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark"> </span>Defines</a></div> <!-- iframe showing the search results (closed by default) --> <div id="MSearchResultsWindow"> <iframe src="" frameborder="0" name="MSearchResults" id="MSearchResults"> </iframe> </div> </body> </html>