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<li class="navelem"><a class="el" href="dir_281f53b0585bbce1fd83a908d8484c02.html">fuse-3.9.0</a></li><li class="navelem"><a class="el" href="dir_ed4704aaeccbbf50376da96f704182b5.html">example</a></li> </ul>
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<div class="title">poll_client.c File Reference</div> </div>
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<div class="textblock"><code>#include <config.h></code><br />
<code>#include <sys/select.h></code><br />
<code>#include <sys/time.h></code><br />
<code>#include <sys/types.h></code><br />
<code>#include <sys/stat.h></code><br />
<code>#include <fcntl.h></code><br />
<code>#include <unistd.h></code><br />
<code>#include <ctype.h></code><br />
<code>#include <stdio.h></code><br />
<code>#include <stdlib.h></code><br />
<code>#include <errno.h></code><br />
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<p><a href="fuse-3_89_80_2example_2poll__client_8c_source.html">Go to the source code of this file.</a></p>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>This program tests the poll.c example file systsem.</p>
<p>Compile with: </p><pre class="fragment"> gcc -Wall poll_client.c -o poll_client
</pre><h2>Source code</h2>
<div class="fragment"><div class="line"><span class="comment">/*</span></div><div class="line"><span class="comment"> FUSE fselclient: FUSE select example client</span></div><div class="line"><span class="comment"> Copyright (C) 2008 SUSE Linux Products GmbH</span></div><div class="line"><span class="comment"> Copyright (C) 2008 Tejun Heo <teheo@suse.de></span></div><div class="line"><span class="comment"></span></div><div class="line"><span class="comment"> This program can be distributed under the terms of the GNU GPLv2.</span></div><div class="line"><span class="comment"> See the file COPYING.</span></div><div class="line"><span class="comment">*/</span></div><div class="line"></div><div class="line"><span class="preprocessor">#include <config.h></span></div><div class="line"></div><div class="line"><span class="preprocessor">#include <sys/select.h></span></div><div class="line"><span class="preprocessor">#include <sys/time.h></span></div><div class="line"><span class="preprocessor">#include <sys/types.h></span></div><div class="line"><span class="preprocessor">#include <sys/stat.h></span></div><div class="line"><span class="preprocessor">#include <fcntl.h></span></div><div class="line"><span class="preprocessor">#include <unistd.h></span></div><div class="line"><span class="preprocessor">#include <ctype.h></span></div><div class="line"><span class="preprocessor">#include <stdio.h></span></div><div class="line"><span class="preprocessor">#include <stdlib.h></span></div><div class="line"><span class="preprocessor">#include <errno.h></span></div><div class="line"></div><div class="line"><span class="preprocessor">#define FSEL_FILES 16</span></div><div class="line"></div><div class="line"><span class="keywordtype">int</span> main(<span class="keywordtype">void</span>)</div><div class="line">{</div><div class="line"> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> hex_map[FSEL_FILES] = <span class="stringliteral">"0123456789ABCDEF"</span>;</div><div class="line"> <span class="keywordtype">int</span> fds[FSEL_FILES];</div><div class="line"> <span class="keywordtype">int</span> i, nfds, tries;</div><div class="line"></div><div class="line"> <span class="keywordflow">for</span> (i = 0; i < FSEL_FILES; i++) {</div><div class="line"> <span class="keywordtype">char</span> name[] = { hex_map[i], <span class="charliteral">'\0'</span> };</div><div class="line"> fds[i] = open(name, O_RDONLY);</div><div class="line"> <span class="keywordflow">if</span> (fds[i] < 0) {</div><div class="line"> perror(<span class="stringliteral">"open"</span>);</div><div class="line"> <span class="keywordflow">return</span> 1;</div><div class="line"> }</div><div class="line"> }</div><div class="line"> nfds = fds[FSEL_FILES - 1] + 1;</div><div class="line"></div><div class="line"> <span class="keywordflow">for</span>(tries=0; tries < 16; tries++) {</div><div class="line"> <span class="keyword">static</span> <span class="keywordtype">char</span> buf[4096];</div><div class="line"> fd_set rfds;</div><div class="line"> <span class="keywordtype">int</span> rc;</div><div class="line"></div><div class="line"> FD_ZERO(&rfds);</div><div class="line"> <span class="keywordflow">for</span> (i = 0; i < FSEL_FILES; i++)</div><div class="line"> FD_SET(fds[i], &rfds);</div><div class="line"></div><div class="line"> rc = select(nfds, &rfds, NULL, NULL, NULL);</div><div class="line"></div><div class="line"> <span class="keywordflow">if</span> (rc < 0) {</div><div class="line"> perror(<span class="stringliteral">"select"</span>);</div><div class="line"> <span class="keywordflow">return</span> 1;</div><div class="line"> }</div><div class="line"></div><div class="line"> <span class="keywordflow">for</span> (i = 0; i < FSEL_FILES; i++) {</div><div class="line"> <span class="keywordflow">if</span> (!FD_ISSET(fds[i], &rfds)) {</div><div class="line"> printf(<span class="stringliteral">"_: "</span>);</div><div class="line"> <span class="keywordflow">continue</span>;</div><div class="line"> }</div><div class="line"> printf(<span class="stringliteral">"%X:"</span>, i);</div><div class="line"> rc = read(fds[i], buf, <span class="keyword">sizeof</span>(buf));</div><div class="line"> <span class="keywordflow">if</span> (rc < 0) {</div><div class="line"> perror(<span class="stringliteral">"read"</span>);</div><div class="line"> <span class="keywordflow">return</span> 1;</div><div class="line"> }</div><div class="line"> printf(<span class="stringliteral">"%02d "</span>, rc);</div><div class="line"> }</div><div class="line"> printf(<span class="stringliteral">"\n"</span>);</div><div class="line"> }</div><div class="line"> <span class="keywordflow">return</span> 0;</div><div class="line">}</div></div><!-- fragment -->
<p class="definition">Definition in file <a class="el" href="fuse-3_89_80_2example_2poll__client_8c_source.html">poll_client.c</a>.</p>
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