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<div id="projectbrief">basicserverinfrastructure</div>
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<h1>src/server/poll.c</h1> </div>
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<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>
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<a name="l00002"></a>00002 <span class="preprocessor"></span>
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<a name="l00003"></a>00003 <span class="keyword">static</span>
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<a name="l00004"></a>00004 <span class="keyword">inline</span>
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<a name="l00005"></a>00005 <span class="keywordtype">int</span>
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<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)
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<a name="l00007"></a>00007 {
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<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 ?
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<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 ?
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<a name="l00010"></a>00010 1 : 0;
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<a name="l00011"></a>00011 }
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<a name="l00012"></a>00012
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<a name="l00013"></a>00013 <span class="keyword">static</span>
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<a name="l00014"></a>00014 <span class="keyword">inline</span>
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<a name="l00015"></a>00015 <span class="keywordtype">int</span>
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<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)
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<a name="l00017"></a>00017 {
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<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 ?
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<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 ?
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<a name="l00020"></a>00020 1 : 0;
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<a name="l00021"></a>00021 }
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<a name="l00022"></a>00022
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<a name="l00023"></a>00023 <span class="keyword">static</span>
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<a name="l00024"></a>00024 <span class="keywordtype">int</span>
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<a name="l00025"></a>00025 serverPoll(<a class="code" href="structServer.html">Server</a> <span class="keyword">this</span>) {
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<a name="l00026"></a>00026 <span class="keywordtype">int</span> events;
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<a name="l00027"></a>00027
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<a name="l00028"></a>00028 qsort(this->fds, this->nfds, <span class="keyword">sizeof</span>(<span class="keyword">struct</span> pollfd), sortEvents);
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<a name="l00029"></a>00029 this->nfds -= this->ndel;
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<a name="l00030"></a>00030 this->ndel = 0;
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<a name="l00031"></a>00031
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<a name="l00032"></a>00032 <span class="comment">/*</span>
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<a name="l00033"></a>00033 <span class="comment"> * wait for handles to become ready</span>
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<a name="l00034"></a>00034 <span class="comment"> */</span>
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<a name="l00035"></a>00035 <span class="keywordflow">if</span> (-1 == (events = poll(this->fds, this->nfds, -1))) {
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<a name="l00036"></a>00036 <span class="keywordflow">switch</span> (errno) {
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<a name="l00037"></a>00037 <span class="keywordflow">default</span>:
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<a name="l00038"></a>00038 <span class="keywordflow">case</span> EBADF:
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<a name="l00039"></a>00039 <span class="keywordflow">case</span> EINVAL:
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<a name="l00040"></a>00040 <span class="keywordflow">case</span> ENOMEM:
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<a name="l00041"></a>00041 <a class="code" href="signalHandling_8h.html#a960e985a396acaabb1bbed4f15668ade">doShutdown</a> = 1;
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<a name="l00042"></a>00042 <span class="comment">/* Fallthrough */</span>
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<a name="l00043"></a>00043
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<a name="l00044"></a>00044 <span class="keywordflow">case</span> EINTR:
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<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>,
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<a name="l00046"></a>00046 <span class="stringliteral">"poll systemcall failed: [%s] - service terminated"</span>,
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<a name="l00047"></a>00047 strerror(errno));
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<a name="l00048"></a>00048 <span class="comment">//exit(EXIT_FAILURE); /* @TODO do real shutdown here */</span>
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<a name="l00049"></a>00049 }
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<a name="l00050"></a>00050 }
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<a name="l00051"></a>00051
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<a name="l00052"></a>00052 qsort(this->fds, this->nfds, <span class="keyword">sizeof</span>(<span class="keyword">struct</span> pollfd), sortRevents);
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<a name="l00053"></a>00053
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<a name="l00054"></a>00054 <span class="keywordflow">return</span> events;
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<a name="l00055"></a>00055 }
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<a name="l00056"></a>00056
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<a name="l00057"></a>00057 <span class="comment">// vim: set ts=4 sw=4:</span>
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</pre></div></div>
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