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<a class="el" href="dir_897b6a2d7bab147dd1db58381aad3984.html">src</a> » <a class="el" href="dir_832905b1f7f5feaf61a306b40c0ac817.html">sys</a> » <a class="el" href="dir_7efffd2b1fae7bb6f2aa85845c863494.html">kernel</a></div>
<h1>pipe.c</h1><a href="pipe_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*****************************************************************************************</span>
<a name="l00002"></a>00002 <span class="comment"> Copyright (c) 2002-2004 The UbixOS Project</span>
<a name="l00003"></a>00003 <span class="comment"> All rights reserved.</span>
<a name="l00004"></a>00004 <span class="comment"></span>
<a name="l00005"></a>00005 <span class="comment"> Redistribution and use in source and binary forms, with or without modification, are</span>
<a name="l00006"></a>00006 <span class="comment"> permitted provided that the following conditions are met:</span>
<a name="l00007"></a>00007 <span class="comment"></span>
<a name="l00008"></a>00008 <span class="comment"> Redistributions of source code must retain the above copyright notice, this list of</span>
<a name="l00009"></a>00009 <span class="comment"> conditions, the following disclaimer and the list of authors. Redistributions in binary</span>
<a name="l00010"></a>00010 <span class="comment"> form must reproduce the above copyright notice, this list of conditions, the following</span>
<a name="l00011"></a>00011 <span class="comment"> disclaimer and the list of authors in the documentation and/or other materials provided</span>
<a name="l00012"></a>00012 <span class="comment"> with the distribution. Neither the name of the UbixOS Project nor the names of its</span>
<a name="l00013"></a>00013 <span class="comment"> contributors may be used to endorse or promote products derived from this software</span>
<a name="l00014"></a>00014 <span class="comment"> without specific prior written permission.</span>
<a name="l00015"></a>00015 <span class="comment"></span>
<a name="l00016"></a>00016 <span class="comment"> THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY</span>
<a name="l00017"></a>00017 <span class="comment"> EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF</span>
<a name="l00018"></a>00018 <span class="comment"> MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL</span>
<a name="l00019"></a>00019 <span class="comment"> THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span>
<a name="l00020"></a>00020 <span class="comment"> SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT</span>
<a name="l00021"></a>00021 <span class="comment"> OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)</span>
<a name="l00022"></a>00022 <span class="comment"> HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR</span>
<a name="l00023"></a>00023 <span class="comment"> TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS</span>
<a name="l00024"></a>00024 <span class="comment"> SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00025"></a>00025 <span class="comment"></span>
<a name="l00026"></a>00026 <span class="comment"> $Id$</span>
<a name="l00027"></a>00027 <span class="comment"></span>
<a name="l00028"></a>00028 <span class="comment">*****************************************************************************************/</span>
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="preprocessor">#include <<a class="code" href="types_8h.html">ubixos/types.h</a>></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <<a class="code" href="sysproto_8h.html">sys/sysproto.h</a>></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include <<a class="code" href="thread_8h.html">sys/thread.h</a>></span>
<a name="l00033"></a>00033 <span class="preprocessor">#include <<a class="code" href="pipe_8h.html">sys/pipe.h</a>></span>
<a name="l00034"></a>00034 <span class="preprocessor">#include <<a class="code" href="kern__descrip_8h.html">sys/kern_descrip.h</a>></span>
<a name="l00035"></a>00035 <span class="preprocessor">#include <<a class="code" href="kprintf_8h.html">lib/kprintf.h</a>></span>
<a name="l00036"></a>00036 <span class="preprocessor">#include <<a class="code" href="assert_8h.html">assert.h</a>></span>
<a name="l00037"></a>00037
<a name="l00041"></a><a class="code" href="pipe_8c.html#cbd82ee803ba9432a295a8e2a0a3f249">00041</a> <span class="keywordtype">int</span> <a class="code" href="pipe_8h.html#476208212b5dff10a39e8039c8eead6d">pipe</a>(<span class="keyword">struct</span> <a class="code" href="structthread.html">thread</a> *td, <span class="keyword">struct</span> <a class="code" href="structpipe__args.html">pipe_args</a> *uap) {
<a name="l00042"></a>00042 <span class="keyword">struct </span><a class="code" href="structfile.html">file</a> *rf, *wf;
<a name="l00043"></a>00043 <span class="keywordtype">int</span> <a class="code" href="structfile.html#5a1b356e191a81d71a02560074aacd2a">fd</a> = 0x0;
<a name="l00044"></a>00044 <a class="code" href="kern__descrip_8h.html#434fb15226182b0ee879a5afe9a8c190">falloc</a>(td,&rf,&fd);
<a name="l00045"></a>00045 rf-><a class="code" href="structfile.html#314e5cc77afefbebb7f5e7d197b089ab">f_flag</a> = <a class="code" href="kern__descrip_8h.html#3252b359359dea1efa45bb87c4499acd">FREAD</a> | <a class="code" href="kern__descrip_8h.html#171aed9ee8e3ec0a65cedfb9a2626499">FWRITE</a>;
<a name="l00046"></a>00046 td-><a class="code" href="structthread.html#f3ec0788a84e5cb640a1646d1347998a">td_retval</a>[0] = fd;
<a name="l00047"></a>00047 <a class="code" href="kern__descrip_8h.html#434fb15226182b0ee879a5afe9a8c190">falloc</a>(td,&wf,&fd);
<a name="l00048"></a>00048 wf-><a class="code" href="structfile.html#314e5cc77afefbebb7f5e7d197b089ab">f_flag</a> = <a class="code" href="kern__descrip_8h.html#3252b359359dea1efa45bb87c4499acd">FREAD</a> | <a class="code" href="kern__descrip_8h.html#171aed9ee8e3ec0a65cedfb9a2626499">FWRITE</a>;
<a name="l00049"></a>00049 td-><a class="code" href="structthread.html#f3ec0788a84e5cb640a1646d1347998a">td_retval</a>[1] = fd;
<a name="l00050"></a>00050 <span class="keywordflow">return</span>(0x0);
<a name="l00051"></a>00051 }
<a name="l00052"></a>00052
<a name="l00053"></a>00053 <span class="comment">/***</span>
<a name="l00054"></a>00054 <span class="comment"> END</span>
<a name="l00055"></a>00055 <span class="comment"> ***/</span>
<a name="l00056"></a>00056
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Tue Dec 12 09:59:41 2006 for UbixOS V2 by
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