<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://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"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.16"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>UbixOS: kernel/kern_pipe.c File Reference</title> <link href="../../tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="../../jquery.js"></script> <script type="text/javascript" src="../../dynsections.js"></script> <link href="../../navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="../../resize.js"></script> <script type="text/javascript" src="../../navtreedata.js"></script> <script type="text/javascript" src="../../navtree.js"></script> <script type="text/javascript"> /* @license 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href="../../d3/d7e/sysproto__posix_8h_source.html">sys/sysproto_posix.h</a>></code><br /> <code>#include <<a class="el" href="../../da/d3e/pipe_8h_source.html">sys/pipe.h</a>></code><br /> <code>#include <<a class="el" href="../../d3/df4/descrip_8h_source.html">sys/descrip.h</a>></code><br /> <code>#include <<a class="el" href="../../dd/d78/video_8h_source.html">sys/video.h</a>></code><br /> <code>#include <<a class="el" href="../../da/d66/string_8h_source.html">string.h</a>></code><br /> </div><div class="textblock"><div class="dynheader"> Include dependency graph for kern_pipe.c:</div> <div class="dyncontent"> <div class="center"><img src="../../de/d53/kern__pipe_8c__incl.png" border="0" usemap="#kernel_2kern__pipe_8c" alt=""/></div> <map name="kernel_2kern__pipe_8c" id="kernel_2kern__pipe_8c"> <area shape="rect" title=" " alt="" coords="355,5,483,32"/> <area shape="rect" href="../../db/dd5/thread_8h.html" title=" " alt="" coords="131,304,225,331"/> <area shape="rect" href="../../d3/d7e/sysproto__posix_8h.html" title=" " alt="" coords="207,155,354,181"/> <area shape="rect" href="../../da/d3e/pipe_8h.html" title=" " alt="" coords="239,80,322,107"/> <area shape="rect" href="../../d3/df4/descrip_8h.html" title=" " alt="" coords="415,80,515,107"/> <area shape="rect" href="../../dd/d78/video_8h.html" title=" " alt="" coords="937,155,1024,181"/> <area shape="rect" href="../../da/d66/string_8h.html" title=" " alt="" coords="1121,379,1187,405"/> <area shape="rect" href="../../d0/d27/include_2sys_2types_8h.html" title=" " alt="" coords="650,528,741,555"/> <area shape="rect" href="../../d7/d0b/trap_8h.html" title=" " alt="" coords="138,379,218,405"/> <area shape="rect" href="../../df/d92/sys_2signal_8h.html" title=" " alt="" coords="243,379,335,405"/> <area shape="rect" href="../../d8/d01/resource_8h.html" title=" " alt="" coords="5,528,113,555"/> <area shape="rect" href="../../d0/d6f/__types_8h.html" title=" " alt="" coords="257,752,355,779"/> <area 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shape="rect" href="../../d2/d29/mount_8h.html" title=" " alt="" coords="850,304,938,331"/> <area shape="rect" href="../../d1/df2/wait_8h.html" title=" " alt="" coords="511,379,610,405"/> <area shape="rect" href="../../d1/d7d/pipe__fs_8h.html" title=" " alt="" coords="634,379,722,405"/> <area shape="rect" href="../../d8/dff/msdos__fs_8h.html" title=" " alt="" coords="747,379,849,405"/> <area shape="rect" href="../../d4/d7e/include_2sys_2device_8h.html" title=" " alt="" coords="812,453,907,480"/> <area shape="rect" href="../../d2/d1b/stat_8h.html" title=" " alt="" coords="835,229,910,256"/> <area shape="rect" href="../../d7/d9f/fcntl_8h.html" title=" " alt="" coords="429,155,511,181"/> <area shape="rect" href="../../d6/d90/strings_8h.html" title=" " alt="" coords="1171,453,1243,480"/> </map> </div> </div> <p><a href="../../d6/dba/kern__pipe_8c_source.html">Go to the source code of this file.</a></p> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> Functions</h2></td></tr> <tr class="memitem:ab6accb21879bf318f953d5e4124db685"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d6/dba/kern__pipe_8c.html#ab6accb21879bf318f953d5e4124db685">sys_pipe2</a> (struct <a class="el" href="../../d3/dc5/structthread.html">thread</a> *thr, struct <a class="el" href="../../d3/d36/structsys__pipe2__args.html">sys_pipe2_args</a> *args)</td></tr> <tr class="separator:ab6accb21879bf318f953d5e4124db685"><td class="memSeparator" colspan="2"> </td></tr> </table> <h2 class="groupheader">Function Documentation</h2> <a id="ab6accb21879bf318f953d5e4124db685"></a> <h2 class="memtitle"><span class="permalink"><a href="#ab6accb21879bf318f953d5e4124db685">◆ </a></span>sys_pipe2()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int sys_pipe2 </td> <td>(</td> <td class="paramtype">struct <a class="el" href="../../d3/dc5/structthread.html">thread</a> * </td> <td class="paramname"><em>thr</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">struct <a class="el" href="../../d3/d36/structsys__pipe2__args.html">sys_pipe2_args</a> * </td> <td class="paramname"><em>args</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p class="definition">Definition at line <a class="el" href="../../d6/dba/kern__pipe_8c_source.html#l00036">36</a> of file <a class="el" href="../../d6/dba/kern__pipe_8c_source.html">kern_pipe.c</a>.</p> <p class="reference">References <a class="el" href="../../d3/df4/descrip_8h_source.html#l00074">file::data</a>, <a class="el" href="../../d2/d3f/descrip_8c_source.html#l00097">falloc()</a>, <a class="el" href="../../d3/df4/descrip_8h_source.html#l00072">file::fd_type</a>, <a class="el" href="../../d3/d7e/sysproto__posix_8h_source.html#l00759">sys_pipe2_args::fildes</a>, <a class="el" href="../../d3/d1a/kmalloc_8c_source.html#l00241">kmalloc()</a>, <a class="el" href="../../da/d66/string_8h.html#ace4b911463887af5e748326323e99a23">memset()</a>, <a class="el" href="../../da/d3e/pipe_8h_source.html#l00046">pipeInfo::rFD</a>, <a class="el" href="../../da/d3e/pipe_8h_source.html#l00047">pipeInfo::rfdCNT</a>, <a class="el" href="../../db/dd5/thread_8h_source.html#l00041">thread::td_retval</a>, <a class="el" href="../../da/d3e/pipe_8h_source.html#l00048">pipeInfo::wFD</a>, and <a class="el" href="../../da/d3e/pipe_8h_source.html#l00049">pipeInfo::wfdCNT</a>.</p> <div class="dynheader"> Here is the call graph for this function:</div> <div class="dyncontent"> <div class="center"><img src="../../d6/dba/kern__pipe_8c_ab6accb21879bf318f953d5e4124db685_cgraph.png" border="0" usemap="#d6/dba/kern__pipe_8c_ab6accb21879bf318f953d5e4124db685_cgraph" alt=""/></div> <map name="d6/dba/kern__pipe_8c_ab6accb21879bf318f953d5e4124db685_cgraph" 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