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<div class="title">sem.c File Reference</div> </div>
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<div class="textblock"><code>#include <<a class="el" href="../../d2/d28/sem_8h_source.html">ubixos/sem.h</a>></code><br />
<code>#include <<a class="el" href="../../d0/d27/include_2sys_2types_8h_source.html">sys/types.h</a>></code><br />
<code>#include <<a class="el" href="../../db/d37/ubixos_2errno_8h_source.html">ubixos/errno.h</a>></code><br />
<code>#include <<a class="el" href="../../de/df7/time_8h_source.html">ubixos/time.h</a>></code><br />
<code>#include <<a class="el" href="../../d3/d24/kpanic_8h_source.html">ubixos/kpanic.h</a>></code><br />
<code>#include <<a class="el" href="../../d4/d03/kmalloc_8h_source.html">lib/kmalloc.h</a>></code><br />
</div><div class="textblock"><div class="dynheader">
Include dependency graph for sem.c:</div>
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<p><a href="../../d2/d0b/sem_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:a31ab8f6dbb9646ed62f5e836b3639ad1"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d2/d0b/sem_8c.html#a31ab8f6dbb9646ed62f5e836b3639ad1">sem_close</a> (<a class="el" href="../../d2/d28/sem_8h.html#a9f436a6cc8070df1db63f5a75d4d0014">semID_t</a> <a class="el" href="../../d5/d8b/kernel_2elf_8c.html#affd99ec09f321a630ec19d0333e291cd">id</a>)</td></tr>
<tr class="separator:a31ab8f6dbb9646ed62f5e836b3639ad1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa386df202c6e9b90a1445a61ce694210"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d2/d0b/sem_8c.html#aa386df202c6e9b90a1445a61ce694210">sem_destroy</a> (<a class="el" href="../../d2/d28/sem_8h.html#a900e36da93bb688c29fc8148f2f44e04">sys_sem_t</a> **sem)</td></tr>
<tr class="separator:aa386df202c6e9b90a1445a61ce694210"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab80213da2384984db11eeae2c92f8a72"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d2/d0b/sem_8c.html#ab80213da2384984db11eeae2c92f8a72">sem_getvalue</a> (<a class="el" href="../../d2/d28/sem_8h.html#a9f436a6cc8070df1db63f5a75d4d0014">semID_t</a> <a class="el" href="../../d5/d8b/kernel_2elf_8c.html#affd99ec09f321a630ec19d0333e291cd">id</a>, int *val)</td></tr>
<tr class="separator:ab80213da2384984db11eeae2c92f8a72"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a19bd6e9be9540104f4ab465624e9a579"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d2/d0b/sem_8c.html#a19bd6e9be9540104f4ab465624e9a579">sem_init</a> (<a class="el" href="../../d2/d28/sem_8h.html#a900e36da93bb688c29fc8148f2f44e04">sys_sem_t</a> **sem, <a class="el" href="../../d0/d27/include_2sys_2types_8h.html#a2aff71146ab4942b2b38860c749c4074">uint8_t</a> count)</td></tr>
<tr class="separator:a19bd6e9be9540104f4ab465624e9a579"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a15c1835612c234029c20431e06a1917d"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d2/d0b/sem_8c.html#a15c1835612c234029c20431e06a1917d">sem_open</a> (<a class="el" href="../../d2/d28/sem_8h.html#a9f436a6cc8070df1db63f5a75d4d0014">semID_t</a> *<a class="el" href="../../d5/d8b/kernel_2elf_8c.html#affd99ec09f321a630ec19d0333e291cd">id</a>, <a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> char *<a class="el" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, int oflag, <a class="el" href="../../d3/df4/descrip_8h.html#ae9f148ba55d84268ecb6f8031ab45076">mode_t</a> mode, unsigned int value)</td></tr>
<tr class="separator:a15c1835612c234029c20431e06a1917d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a81988406ac7a65ee7d6782b97943320e"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d2/d0b/sem_8c.html#a81988406ac7a65ee7d6782b97943320e">sem_post</a> (<a class="el" href="../../d2/d28/sem_8h.html#a9f436a6cc8070df1db63f5a75d4d0014">semID_t</a> <a class="el" href="../../d5/d8b/kernel_2elf_8c.html#affd99ec09f321a630ec19d0333e291cd">id</a>)</td></tr>
<tr class="separator:a81988406ac7a65ee7d6782b97943320e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a0e52c88f72f178cd67eb289e6f498c26"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d2/d0b/sem_8c.html#a0e52c88f72f178cd67eb289e6f498c26">sem_timedwait</a> (<a class="el" href="../../d2/d28/sem_8h.html#a9f436a6cc8070df1db63f5a75d4d0014">semID_t</a> <a class="el" href="../../d5/d8b/kernel_2elf_8c.html#affd99ec09f321a630ec19d0333e291cd">id</a>, <a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> struct <a class="el" href="../../da/d1c/structtimespec.html">timespec</a> *ts)</td></tr>
<tr class="separator:a0e52c88f72f178cd67eb289e6f498c26"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a46c76cc20324278bddf93b50c6f7ae9f"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d2/d0b/sem_8c.html#a46c76cc20324278bddf93b50c6f7ae9f">sem_trywait</a> (<a class="el" href="../../d2/d28/sem_8h.html#a9f436a6cc8070df1db63f5a75d4d0014">semID_t</a> <a class="el" href="../../d5/d8b/kernel_2elf_8c.html#affd99ec09f321a630ec19d0333e291cd">id</a>)</td></tr>
<tr class="separator:a46c76cc20324278bddf93b50c6f7ae9f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a776256d1a473906f8b7490689bfcb75c"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d2/d0b/sem_8c.html#a776256d1a473906f8b7490689bfcb75c">sem_unlink</a> (<a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> char *<a class="el" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>)</td></tr>
<tr class="separator:a776256d1a473906f8b7490689bfcb75c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac2e22218e6a5830f6bdfd727d0206798"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d2/d0b/sem_8c.html#ac2e22218e6a5830f6bdfd727d0206798">sem_wait</a> (<a class="el" href="../../d2/d28/sem_8h.html#a9f436a6cc8070df1db63f5a75d4d0014">semID_t</a> <a class="el" href="../../d5/d8b/kernel_2elf_8c.html#affd99ec09f321a630ec19d0333e291cd">id</a>)</td></tr>
<tr class="separator:ac2e22218e6a5830f6bdfd727d0206798"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<h2 class="groupheader">Function Documentation</h2>
<a id="a31ab8f6dbb9646ed62f5e836b3639ad1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a31ab8f6dbb9646ed62f5e836b3639ad1">◆ </a></span>sem_close()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int sem_close </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d2/d28/sem_8h.html#a9f436a6cc8070df1db63f5a75d4d0014">semID_t</a> </td>
<td class="paramname"><em>id</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p class="definition">Definition at line <a class="el" href="../../d2/d0b/sem_8c_source.html#l00036">36</a> of file <a class="el" href="../../d2/d0b/sem_8c_source.html">sem.c</a>.</p>
</div>
</div>
<a id="aa386df202c6e9b90a1445a61ce694210"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa386df202c6e9b90a1445a61ce694210">◆ </a></span>sem_destroy()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> sem_destroy </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d2/d28/sem_8h.html#a900e36da93bb688c29fc8148f2f44e04">sys_sem_t</a> ** </td>
<td class="paramname"><em>sem</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p class="definition">Definition at line <a class="el" href="../../d2/d0b/sem_8c_source.html#l00087">87</a> of file <a class="el" href="../../d2/d0b/sem_8c_source.html">sem.c</a>.</p>
<p class="reference">References <a class="el" href="../../d2/d28/sem_8h_source.html#l00038">sys_sem::cond</a>, <a class="el" href="../../d4/d36/sys_2errno_8h_source.html#l00055">EINVAL</a>, <a class="el" href="../../db/d37/ubixos_2errno_8h_source.html#l00036">ENOERR</a>, <a class="el" href="../../d3/d1a/kmalloc_8c_source.html#l00342">kfree()</a>, <a class="el" href="../../d2/d28/sem_8h_source.html#l00039">sys_sem::mutex</a>, <a class="el" href="../../d6/d8a/fat__string_8h_source.html#l00017">NULL</a>, <a class="el" href="../../d5/d9a/ubthread_8c_source.html#l00071">ubthread_cond_destroy()</a>, and <a class="el" href="../../d5/d9a/ubthread_8c_source.html#l00077">ubthread_mutex_destroy()</a>.</p>
<p class="reference">Referenced by <a class="el" href="../../d9/d56/sys__arch_8c_source.html#l00075">sys_sem_free()</a>.</p>
<div class="dynheader">
Here is the call graph for this function:</div>
<div class="dyncontent">
<div class="center"><img src="../../d2/d0b/sem_8c_aa386df202c6e9b90a1445a61ce694210_cgraph.png" border="0" usemap="#d2/d0b/sem_8c_aa386df202c6e9b90a1445a61ce694210_cgraph" alt=""/></div>
<map name="d2/d0b/sem_8c_aa386df202c6e9b90a1445a61ce694210_cgraph" id="d2/d0b/sem_8c_aa386df202c6e9b90a1445a61ce694210_cgraph">
<area shape="rect" title=" " alt="" coords="5,26,103,53"/>
<area shape="rect" href="../../d4/d03/kmalloc_8h.html#aaa9ed6886459604cf73ccdbf6410e487" title=" " alt="" coords="364,26,415,53"/>
<area shape="rect" href="../../dd/d1b/ubthread_8h.html#ae914fae69538736dc5e494c15ce93a17" title=" " alt="" coords="155,26,312,53"/>
<area shape="rect" href="../../dd/d1b/ubthread_8h.html#a278f5d5b1e11b6668b75da6a285442e4" title=" " alt="" coords="151,77,316,103"/>
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</div>
</div>
</div>
<a id="ab80213da2384984db11eeae2c92f8a72"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab80213da2384984db11eeae2c92f8a72">◆ </a></span>sem_getvalue()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int sem_getvalue </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d2/d28/sem_8h.html#a9f436a6cc8070df1db63f5a75d4d0014">semID_t</a> </td>
<td class="paramname"><em>id</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int * </td>
<td class="paramname"><em>val</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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</div><div class="memdoc">
<p class="definition">Definition at line <a class="el" href="../../d2/d0b/sem_8c_source.html#l00083">83</a> of file <a class="el" href="../../d2/d0b/sem_8c_source.html">sem.c</a>.</p>
</div>
</div>
<a id="a19bd6e9be9540104f4ab465624e9a579"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a19bd6e9be9540104f4ab465624e9a579">◆ </a></span>sem_init()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> sem_init </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d2/d28/sem_8h.html#a900e36da93bb688c29fc8148f2f44e04">sys_sem_t</a> ** </td>
<td class="paramname"><em>sem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="../../d0/d27/include_2sys_2types_8h.html#a2aff71146ab4942b2b38860c749c4074">uint8_t</a> </td>
<td class="paramname"><em>count</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p class="definition">Definition at line <a class="el" href="../../d2/d0b/sem_8c_source.html#l00056">56</a> of file <a class="el" href="../../d2/d0b/sem_8c_source.html">sem.c</a>.</p>
<p class="reference">References <a class="el" href="../../d2/d28/sem_8h_source.html#l00038">sys_sem::cond</a>, <a class="el" href="../../db/d37/ubixos_2errno_8h_source.html#l00036">ENOERR</a>, <a class="el" href="../../d3/d1a/kmalloc_8c_source.html#l00241">kmalloc()</a>, <a class="el" href="../../df/d87/kprintf_8c_source.html#l00259">kprintf()</a>, <a class="el" href="../../d2/d28/sem_8h_source.html#l00039">sys_sem::mutex</a>, <a class="el" href="../../d6/d8a/fat__string_8h_source.html#l00017">NULL</a>, <a class="el" href="../../d2/d28/sem_8h_source.html#l00037">sys_sem::signaled</a>, <a class="el" href="../../dd/d1b/ubthread_8h.html#acbb7170a68758468ab5b02512a320112">ubthread_cond_init()</a>, and <a class="el" href="../../dd/d1b/ubthread_8h.html#ab6bfc2169b55532821582f24b68dc855">ubthread_mutex_init()</a>.</p>
<p class="reference">Referenced by <a class="el" href="../../d9/d56/sys__arch_8c_source.html#l00052">sys_sem_new()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a15c1835612c234029c20431e06a1917d">◆ </a></span>sem_open()</h2>
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<div class="memproto">
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<td class="memname">int sem_open </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d2/d28/sem_8h.html#a9f436a6cc8070df1db63f5a75d4d0014">semID_t</a> * </td>
<td class="paramname"><em>id</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> char * </td>
<td class="paramname"><em>name</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>oflag</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="../../d3/df4/descrip_8h.html#ae9f148ba55d84268ecb6f8031ab45076">mode_t</a> </td>
<td class="paramname"><em>mode</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned int </td>
<td class="paramname"><em>value</em> </td>
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<td></td>
<td>)</td>
<td></td><td></td>
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</div><div class="memdoc">
<p class="definition">Definition at line <a class="el" href="../../d2/d0b/sem_8c_source.html#l00075">75</a> of file <a class="el" href="../../d2/d0b/sem_8c_source.html">sem.c</a>.</p>
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<a id="a81988406ac7a65ee7d6782b97943320e"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a81988406ac7a65ee7d6782b97943320e">◆ </a></span>sem_post()</h2>
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<td class="memname">int sem_post </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d2/d28/sem_8h.html#a9f436a6cc8070df1db63f5a75d4d0014">semID_t</a> </td>
<td class="paramname"><em>id</em></td><td>)</td>
<td></td>
</tr>
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</div><div class="memdoc">
<p class="definition">Definition at line <a class="el" href="../../d2/d0b/sem_8c_source.html#l00040">40</a> of file <a class="el" href="../../d2/d0b/sem_8c_source.html">sem.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a0e52c88f72f178cd67eb289e6f498c26">◆ </a></span>sem_timedwait()</h2>
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<td class="memname">int sem_timedwait </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d2/d28/sem_8h.html#a9f436a6cc8070df1db63f5a75d4d0014">semID_t</a> </td>
<td class="paramname"><em>id</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> struct <a class="el" href="../../da/d1c/structtimespec.html">timespec</a> * </td>
<td class="paramname"><em>ts</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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</div><div class="memdoc">
<p class="definition">Definition at line <a class="el" href="../../d2/d0b/sem_8c_source.html#l00052">52</a> of file <a class="el" href="../../d2/d0b/sem_8c_source.html">sem.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a46c76cc20324278bddf93b50c6f7ae9f">◆ </a></span>sem_trywait()</h2>
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<td class="memname">int sem_trywait </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d2/d28/sem_8h.html#a9f436a6cc8070df1db63f5a75d4d0014">semID_t</a> </td>
<td class="paramname"><em>id</em></td><td>)</td>
<td></td>
</tr>
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</div><div class="memdoc">
<p class="definition">Definition at line <a class="el" href="../../d2/d0b/sem_8c_source.html#l00048">48</a> of file <a class="el" href="../../d2/d0b/sem_8c_source.html">sem.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a776256d1a473906f8b7490689bfcb75c">◆ </a></span>sem_unlink()</h2>
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<td class="memname">int sem_unlink </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d6/d92/cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e">const</a> char * </td>
<td class="paramname"><em>name</em></td><td>)</td>
<td></td>
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</div><div class="memdoc">
<p class="definition">Definition at line <a class="el" href="../../d2/d0b/sem_8c_source.html#l00079">79</a> of file <a class="el" href="../../d2/d0b/sem_8c_source.html">sem.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ac2e22218e6a5830f6bdfd727d0206798">◆ </a></span>sem_wait()</h2>
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<td class="memname">int sem_wait </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d2/d28/sem_8h.html#a9f436a6cc8070df1db63f5a75d4d0014">semID_t</a> </td>
<td class="paramname"><em>id</em></td><td>)</td>
<td></td>
</tr>
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</div><div class="memdoc">
<p class="definition">Definition at line <a class="el" href="../../d2/d0b/sem_8c_source.html#l00044">44</a> of file <a class="el" href="../../d2/d0b/sem_8c_source.html">sem.c</a>.</p>
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