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<div class="title">descrip.h File Reference</div> </div>
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<div class="textblock"><code>#include <<a class="el" href="thread_8h_source.html">sys/thread.h</a>></code><br />
<code>#include <<a class="el" href="sysproto__posix_8h_source.html">sys/sysproto_posix.h</a>></code><br />
<code>#include <<a class="el" href="include_2vfs_2file_8h_source.html">vfs/file.h</a>></code><br />
<code>#include <<a class="el" href="stat_8h_source.html">vfs/stat.h</a>></code><br />
<code>#include <<a class="el" href="fcntl_8h_source.html">sys/fcntl.h</a>></code><br />
</div><div class="textblock"><div class="dynheader">
Include dependency graph for descrip.h:</div>
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<div class="center"><img src="descrip_8h__incl.png" border="0" usemap="#C_1_2Dev_2git_2UbixOS_2sys_2include_2sys_2descrip_8h" alt=""/></div>
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This graph shows which files directly or indirectly include this file:</div>
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<div class="center"><img src="descrip_8h__dep__incl.png" border="0" usemap="#C_1_2Dev_2git_2UbixOS_2sys_2include_2sys_2descrip_8hdep" alt=""/></div>
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<p><a href="descrip_8h_source.html">Go to the source code of this file.</a></p>
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Data Structures</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structfile.html">file</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structfileOps.html">fileOps</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structucred.html">ucred</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structuio.html">uio</a></td></tr>
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Macros</h2></td></tr>
<tr class="memitem:a2c5eecb22513a88c24ae5831a3265e54"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="descrip_8h.html#a2c5eecb22513a88c24ae5831a3265e54">MAX_FILES</a>   256</td></tr>
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Typedefs</h2></td></tr>
<tr class="memitem:aea172d12f3d010efb1c413fd8fdc39b3"><td class="memItemLeft" align="right" valign="top">typedef int </td><td class="memItemRight" valign="bottom"><a class="el" href="descrip_8h.html#aea172d12f3d010efb1c413fd8fdc39b3">fo_close_t</a>(struct <a class="el" href="structfile.html">file</a> *fp, struct <a class="el" href="structthread.html">thread</a> *td)</td></tr>
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<tr class="memitem:a75116012fe309ee2b3b5094cabb634e2"><td class="memItemLeft" align="right" valign="top">typedef int </td><td class="memItemRight" valign="bottom"><a class="el" href="descrip_8h.html#a75116012fe309ee2b3b5094cabb634e2">fo_rdwr_t</a>(struct <a class="el" href="structfile.html">file</a> *fp, struct <a class="el" href="structuio.html">uio</a> *<a class="el" href="structuio.html">uio</a>, struct <a class="el" href="structucred.html">ucred</a> *active_cred, int flags, struct <a class="el" href="structthread.html">thread</a> *td)</td></tr>
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<tr class="memitem:a2a2c048445e6f662a2f408e9cf13e955"><td class="memItemLeft" align="right" valign="top">typedef int </td><td class="memItemRight" valign="bottom"><a class="el" href="descrip_8h.html#a2a2c048445e6f662a2f408e9cf13e955">fo_stat_t</a>(struct <a class="el" href="structfile.html">file</a> *fp, struct <a class="el" href="structstat.html">stat</a> *sb, struct <a class="el" href="structucred.html">ucred</a> *active_cred, struct <a class="el" href="structthread.html">thread</a> *td)</td></tr>
<tr class="separator:a2a2c048445e6f662a2f408e9cf13e955"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae9f148ba55d84268ecb6f8031ab45076"><td class="memItemLeft" align="right" valign="top">typedef <a class="el" href="__types_8h.html#a633606f8a0f9a59b300c4947280d816f">__mode_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="descrip_8h.html#ae9f148ba55d84268ecb6f8031ab45076">mode_t</a></td></tr>
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<tr class="memitem:ae6b499a9e117ca8d1d165c847c872cc0"><td class="memItemLeft" align="right" valign="top">typedef <a class="el" href="__types_8h.html#ac1789b464296a1bd0de1734e17d0a146">__nlink_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="descrip_8h.html#ae6b499a9e117ca8d1d165c847c872cc0">nlink_t</a></td></tr>
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Functions</h2></td></tr>
<tr class="memitem:a39808045c1781393e845fa51fd2db6e0"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="descrip_8h.html#a39808045c1781393e845fa51fd2db6e0">close</a> (struct <a class="el" href="structthread.html">thread</a> *, struct <a class="el" href="structclose__args.html">close_args</a> *)</td></tr>
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<tr class="memitem:a434fb15226182b0ee879a5afe9a8c190"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="descrip_8h.html#a434fb15226182b0ee879a5afe9a8c190">falloc</a> (struct <a class="el" href="structthread.html">thread</a> *, struct <a class="el" href="structfile.html">file</a> **, int *)</td></tr>
<tr class="separator:a434fb15226182b0ee879a5afe9a8c190"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa1030566270fc06a197500c21f0025f5"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="descrip_8h.html#aa1030566270fc06a197500c21f0025f5">fcntl</a> (struct <a class="el" href="structthread.html">thread</a> *, struct <a class="el" href="structsys__fcntl__args.html">sys_fcntl_args</a> *)</td></tr>
<tr class="separator:aa1030566270fc06a197500c21f0025f5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a69190c8d0a802a98f76a483dbf672996"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="descrip_8h.html#a69190c8d0a802a98f76a483dbf672996">fstat</a> (struct <a class="el" href="structthread.html">thread</a> *, struct <a class="el" href="structsys__fstat__args.html">sys_fstat_args</a> *)</td></tr>
<tr class="separator:a69190c8d0a802a98f76a483dbf672996"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aec82fd17dad5642277af6dc43f9893c5"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="descrip_8h.html#aec82fd17dad5642277af6dc43f9893c5">getdtablesize</a> (struct <a class="el" href="structthread.html">thread</a> *, struct <a class="el" href="structgetdtablesize__args.html">getdtablesize_args</a> *)</td></tr>
<tr class="memdesc:aec82fd17dad5642277af6dc43f9893c5"><td class="mdescLeft"> </td><td class="mdescRight">return data table size <a href="descrip_8h.html#aec82fd17dad5642277af6dc43f9893c5">More...</a><br /></td></tr>
<tr class="separator:aec82fd17dad5642277af6dc43f9893c5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a14e228d6e5391a882d3b20ff2466b2ac"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="descrip_8h.html#a14e228d6e5391a882d3b20ff2466b2ac">getfd</a> (struct <a class="el" href="structthread.html">thread</a> *td, struct <a class="el" href="structfile.html">file</a> **fp, int fd)</td></tr>
<tr class="memdesc:a14e228d6e5391a882d3b20ff2466b2ac"><td class="mdescLeft"> </td><td class="mdescRight">get pointer to file fd in specified thread <a href="descrip_8h.html#a14e228d6e5391a882d3b20ff2466b2ac">More...</a><br /></td></tr>
<tr class="separator:a14e228d6e5391a882d3b20ff2466b2ac"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a366ffc31fab66cd94fe5849c11c01199"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="descrip_8h.html#a366ffc31fab66cd94fe5849c11c01199">int_kern_openat</a> (struct <a class="el" href="structthread.html">thread</a> *, int, char *, int)</td></tr>
<tr class="separator:a366ffc31fab66cd94fe5849c11c01199"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:add9e21938f9a168f9be49ddbfe03fed1"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="descrip_8h.html#add9e21938f9a168f9be49ddbfe03fed1">ioctl</a> (struct <a class="el" href="structthread.html">thread</a> *, struct <a class="el" href="structioctl__args.html">ioctl_args</a> *)</td></tr>
<tr class="memdesc:add9e21938f9a168f9be49ddbfe03fed1"><td class="mdescLeft"> </td><td class="mdescRight">ioctl functionality not implimented yet <a href="descrip_8h.html#add9e21938f9a168f9be49ddbfe03fed1">More...</a><br /></td></tr>
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<h2 class="groupheader">Macro Definition Documentation</h2>
<a id="a2c5eecb22513a88c24ae5831a3265e54"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a2c5eecb22513a88c24ae5831a3265e54">◆ </a></span>MAX_FILES</h2>
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<td class="memname">#define MAX_FILES   256</td>
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<p class="definition">Definition at line <a class="el" href="descrip_8h_source.html#l00042">42</a> of file <a class="el" href="descrip_8h_source.html">descrip.h</a>.</p>
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<h2 class="groupheader">Typedef Documentation</h2>
<a id="aea172d12f3d010efb1c413fd8fdc39b3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aea172d12f3d010efb1c413fd8fdc39b3">◆ </a></span>fo_close_t</h2>
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<td class="memname">typedef int fo_close_t(struct <a class="el" href="structfile.html">file</a> *fp, struct <a class="el" href="structthread.html">thread</a> *td)</td>
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<p class="definition">Definition at line <a class="el" href="descrip_8h_source.html#l00057">57</a> of file <a class="el" href="descrip_8h_source.html">descrip.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a75116012fe309ee2b3b5094cabb634e2">◆ </a></span>fo_rdwr_t</h2>
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<td class="memname">typedef int fo_rdwr_t(struct <a class="el" href="structfile.html">file</a> *fp, struct <a class="el" href="structuio.html">uio</a> *<a class="el" href="structuio.html">uio</a>, struct <a class="el" href="structucred.html">ucred</a> *active_cred, int flags, struct <a class="el" href="structthread.html">thread</a> *td)</td>
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<p class="definition">Definition at line <a class="el" href="descrip_8h_source.html#l00055">55</a> of file <a class="el" href="descrip_8h_source.html">descrip.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a2a2c048445e6f662a2f408e9cf13e955">◆ </a></span>fo_stat_t</h2>
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<td class="memname">typedef int fo_stat_t(struct <a class="el" href="structfile.html">file</a> *fp, struct <a class="el" href="structstat.html">stat</a> *sb, struct <a class="el" href="structucred.html">ucred</a> *active_cred, struct <a class="el" href="structthread.html">thread</a> *td)</td>
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<p class="definition">Definition at line <a class="el" href="descrip_8h_source.html#l00056">56</a> of file <a class="el" href="descrip_8h_source.html">descrip.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae9f148ba55d84268ecb6f8031ab45076">◆ </a></span>mode_t</h2>
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<td class="memname">typedef <a class="el" href="__types_8h.html#a633606f8a0f9a59b300c4947280d816f">__mode_t</a> <a class="el" href="descrip_8h.html#ae9f148ba55d84268ecb6f8031ab45076">mode_t</a></td>
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<p class="definition">Definition at line <a class="el" href="descrip_8h_source.html#l00044">44</a> of file <a class="el" href="descrip_8h_source.html">descrip.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae6b499a9e117ca8d1d165c847c872cc0">◆ </a></span>nlink_t</h2>
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<td class="memname">typedef <a class="el" href="__types_8h.html#ac1789b464296a1bd0de1734e17d0a146">__nlink_t</a> <a class="el" href="descrip_8h.html#ae6b499a9e117ca8d1d165c847c872cc0">nlink_t</a></td>
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<p class="definition">Definition at line <a class="el" href="descrip_8h_source.html#l00045">45</a> of file <a class="el" href="descrip_8h_source.html">descrip.h</a>.</p>
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<h2 class="groupheader">Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a39808045c1781393e845fa51fd2db6e0">◆ </a></span>close()</h2>
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<td class="memname">int close </td>
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<td class="paramtype">struct <a class="el" href="structclose__args.html">close_args</a> * </td>
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<p class="definition">Definition at line <a class="el" href="descrip_8c_source.html#l00162">162</a> of file <a class="el" href="descrip_8c_source.html">descrip.c</a>.</p>
<p class="reference">References <a class="el" href="sysproto__posix_8h_source.html#l00374">close_args::fd</a>, <a class="el" href="kmalloc_8c_source.html#l00342">kfree()</a>, <a class="el" href="kprintf_8c_source.html#l00259">kprintf()</a>, <a class="el" href="thread_8h_source.html#l00042">thread::o_files</a>, and <a class="el" href="thread_8h_source.html#l00041">thread::td_retval</a>.</p>
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Here is the call graph for this function:</div>
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<div class="center"><img src="descrip_8h_a39808045c1781393e845fa51fd2db6e0_cgraph.png" border="0" usemap="#descrip_8h_a39808045c1781393e845fa51fd2db6e0_cgraph" alt=""/></div>
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<h2 class="memtitle"><span class="permalink"><a href="#a434fb15226182b0ee879a5afe9a8c190">◆ </a></span>falloc()</h2>
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<td class="memname">int falloc </td>
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<td class="paramtype">struct <a class="el" href="structthread.html">thread</a> * </td>
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<td class="paramtype">struct <a class="el" href="structfile.html">file</a> ** </td>
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<td class="paramtype">int * </td>
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<p class="definition">Definition at line <a class="el" href="descrip_8c_source.html#l00096">96</a> of file <a class="el" href="descrip_8c_source.html">descrip.c</a>.</p>
<p class="reference">References <a class="el" href="kmalloc_8c_source.html#l00342">kfree()</a>, <a class="el" href="kmalloc_8c_source.html#l00241">kmalloc()</a>, <a class="el" href="descrip_8h_source.html#l00042">MAX_FILES</a>, and <a class="el" href="thread_8h_source.html#l00042">thread::o_files</a>.</p>
<p class="reference">Referenced by <a class="el" href="vfs__calls_8c_source.html#l00399">kern_openat()</a>, <a class="el" href="pipe_8c_source.html#l00039">pipe()</a>, <a class="el" href="vfs__calls_8c_source.html#l00045">sys_openat()</a>, <a class="el" href="kern__pipe_8c_source.html#l00036">sys_pipe2()</a>, and <a class="el" href="sys__arch_8c_source.html#l00502">sys_socket()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aa1030566270fc06a197500c21f0025f5">◆ </a></span>fcntl()</h2>
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<td class="memname">int fcntl </td>
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<td class="paramtype">struct <a class="el" href="structthread.html">thread</a> * </td>
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<td class="paramtype">struct <a class="el" href="structsys__fcntl__args.html">sys_fcntl_args</a> * </td>
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<p class="definition">Definition at line <a class="el" href="descrip_8c_source.html#l00040">40</a> of file <a class="el" href="descrip_8c_source.html">descrip.c</a>.</p>
<p class="reference">References <a class="el" href="sysproto__posix_8h_source.html#l00260">sys_fcntl_args::arg</a>, <a class="el" href="sysproto__posix_8h_source.html#l00257">sys_fcntl_args::cmd</a>, <a class="el" href="descrip_8h_source.html#l00068">file::f_flag</a>, <a class="el" href="file_8c_source.html#l00526">fclose()</a>, <a class="el" href="fcntl_8h_source.html#l00080">FCNTLFLAGS</a>, <a class="el" href="sysproto__posix_8h_source.html#l00254">sys_fcntl_args::fd</a>, <a class="el" href="descrip_8c_source.html#l00147">fdestroy()</a>, <a class="el" href="fcntl_8h_source.html#l00088">FFLAGS</a>, <a class="el" href="kmalloc_8c_source.html#l00241">kmalloc()</a>, <a class="el" href="kprintf_8c_source.html#l00259">kprintf()</a>, <a class="el" href="descrip_8h_source.html#l00042">MAX_FILES</a>, <a class="el" href="string_8h.html#ae33b18edb618c656b9b795b9fce2316c">memcpy()</a>, <a class="el" href="fcntl_8h_source.html#l00064">O_ACCMODE</a>, <a class="el" href="thread_8h_source.html#l00042">thread::o_files</a>, and <a class="el" href="thread_8h_source.html#l00041">thread::td_retval</a>.</p>
<p class="reference">Referenced by <a class="el" href="descrip_8c_source.html#l00092">sys_fcntl()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a69190c8d0a802a98f76a483dbf672996">◆ </a></span>fstat()</h2>
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<td class="memname">int fstat </td>
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<td class="paramtype">struct <a class="el" href="structsys__fstat__args.html">sys_fstat_args</a> * </td>
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<p class="definition">Definition at line <a class="el" href="descrip_8c_source.html#l00185">185</a> of file <a class="el" href="descrip_8c_source.html">descrip.c</a>.</p>
<p class="reference">References <a class="el" href="armv6_2sched_8c_source.html#l00050">_current</a>, <a class="el" href="sysproto__posix_8h_source.html#l00469">sys_fstat_args::fd</a>, <a class="el" href="kprintf_8c_source.html#l00259">kprintf()</a>, <a class="el" href="thread_8h_source.html#l00042">thread::o_files</a>, <a class="el" href="sysproto__posix_8h_source.html#l00472">sys_fstat_args::sb</a>, <a class="el" href="stat_8h_source.html#l00060">stat::st_blksize</a>, <a class="el" href="stat_8h_source.html#l00047">stat::st_mode</a>, and <a class="el" href="sched_8h_source.html#l00078">taskStruct::td</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aec82fd17dad5642277af6dc43f9893c5">◆ </a></span>getdtablesize()</h2>
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<td class="memname">int getdtablesize </td>
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<p>return data table size </p>
<p class="definition">Definition at line <a class="el" href="descrip_8c_source.html#l00176">176</a> of file <a class="el" href="descrip_8c_source.html">descrip.c</a>.</p>
<p class="reference">References <a class="el" href="kprintf_8c_source.html#l00259">kprintf()</a>, <a class="el" href="thread_8h_source.html#l00038">O_FILES</a>, and <a class="el" href="thread_8h_source.html#l00041">thread::td_retval</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a14e228d6e5391a882d3b20ff2466b2ac">◆ </a></span>getfd()</h2>
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<td class="memname">int getfd </td>
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<td class="paramtype">struct <a class="el" href="structthread.html">thread</a> * </td>
<td class="paramname"><em>td</em>, </td>
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<td class="paramtype">struct <a class="el" href="structfile.html">file</a> ** </td>
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<p>get pointer to file fd in specified thread </p>
<dl class="section return"><dt>Returns</dt><dd>returns fp </dd></dl>
<p class="definition">Definition at line <a class="el" href="descrip_8c_source.html#l00214">214</a> of file <a class="el" href="descrip_8c_source.html">descrip.c</a>.</p>
<p class="reference">References <a class="el" href="descrip_8h_source.html#l00071">file::fd</a>, <a class="el" href="kprintf_8c_source.html#l00259">kprintf()</a>, and <a class="el" href="thread_8h_source.html#l00042">thread::o_files</a>.</p>
<p class="reference">Referenced by <a class="el" href="gen__calls_8c_source.html#l00100">read()</a>, <a class="el" href="vfs__calls_8c_source.html#l00099">sys_close()</a>, <a class="el" href="file_8c_source.html#l00197">sys_fchdir()</a>, <a class="el" href="stat_8c_source.html#l00091">sys_fstat()</a>, <a class="el" href="stat_8c_source.html#l00133">sys_fstatat()</a>, <a class="el" href="stat_8c_source.html#l00182">sys_fstatfs()</a>, <a class="el" href="vfs__calls_8c_source.html#l00373">sys_getdirentries()</a>, <a class="el" href="file_8c_source.html#l00149">sys_lseek()</a>, <a class="el" href="vmm__mmap_8c_source.html#l00162">sys_mmap()</a>, <a class="el" href="vfs__calls_8c_source.html#l00239">sys_pread()</a>, <a class="el" href="vfs__calls_8c_source.html#l00151">sys_read()</a>, <a class="el" href="sys__arch_8c_source.html#l00540">sys_sendto()</a>, <a class="el" href="sys__arch_8c_source.html#l00529">sys_setsockopt()</a>, and <a class="el" href="vfs__calls_8c_source.html#l00293">sys_write()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a366ffc31fab66cd94fe5849c11c01199">◆ </a></span>int_kern_openat()</h2>
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<td class="memname">int_kern_openat </td>
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<h2 class="memtitle"><span class="permalink"><a href="#add9e21938f9a168f9be49ddbfe03fed1">◆ </a></span>ioctl()</h2>
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<td class="memname">int ioctl </td>
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<td class="paramtype">struct <a class="el" href="structthread.html">thread</a> * </td>
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<td class="paramtype">struct <a class="el" href="structioctl__args.html">ioctl_args</a> * </td>
<td class="paramname"><em>uap</em> </td>
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<p>ioctl functionality not implimented yet </p>
<dl class="section return"><dt>Returns</dt><dd>NULL for now </dd></dl>
<p class="definition">Definition at line <a class="el" href="descrip_8c_source.html#l00204">204</a> of file <a class="el" href="descrip_8c_source.html">descrip.c</a>.</p>
<p class="reference">References <a class="el" href="thread_8h_source.html#l00041">thread::td_retval</a>.</p>
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