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<div class="title">signal.c</div>  </div>
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<a href="../../d8/d36/signal_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*-</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Copyright (c) 2002-2018 The UbixOS Project.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * All rights reserved.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> * This was developed by Christopher W. Olsen for the UbixOS Project.</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * Redistribution and use in source and binary forms, with or without modification, are permitted</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> * provided that the following conditions are met:</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> * 1) Redistributions of source code must retain the above copyright notice, this list of</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> *    conditions, the following disclaimer and the list of authors.</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> * 2) Redistributions in binary form must reproduce the above copyright notice, this list of</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> *    conditions, the following disclaimer and the list of authors in the documentation and/or</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> *    other materials provided with the distribution.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> * 3) Neither the name of the UbixOS Project nor the names of its contributors may be used to</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> *    endorse or promote products derived from this software without specific prior written</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment"> *    permission.</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment"> * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment"> * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment"> * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="comment"> * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment"> * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment"> * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="comment"> * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160; </div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="../../df/d92/sys_2signal_8h.html">sys/signal.h</a>&gt;</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="../../d3/d7e/sysproto__posix_8h.html">sys/sysproto_posix.h</a>&gt;</span></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="../../db/dd5/thread_8h.html">sys/thread.h</a>&gt;</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="../../da/d28/kprintf_8h.html">lib/kprintf.h</a>&gt;</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="../../dc/da7/assert_8h.html">assert.h</a>&gt;</span></div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160; </div>
<div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="../../d8/d36/signal_8c.html#adb0dc568dd674705e372495140616236">   35</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="../../d8/d36/signal_8c.html#adb0dc568dd674705e372495140616236">sys_sigprocmask</a>(<span class="keyword">struct</span> <a class="code" href="../../d3/dc5/structthread.html">thread</a> *td, <span class="keyword">struct</span> <a class="code" href="../../d7/de6/structsys__sigprocmask__args.html">sys_sigprocmask_args</a> *args) {</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;  td-&gt;<a class="code" href="../../d3/dc5/structthread.html#af3ec0788a84e5cb640a1646d1347998a">td_retval</a>[0] = -1;</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160; </div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;  <span class="keywordflow">if</span> (args-&gt;<a class="code" href="../../d7/de6/structsys__sigprocmask__args.html#a3b15609df6042f96a0fb6354b27d318e">oset</a> != 0x0) {</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    <a class="code" href="../../da/d66/string_8h.html#ae33b18edb618c656b9b795b9fce2316c">memcpy</a>(args-&gt;<a class="code" href="../../d7/de6/structsys__sigprocmask__args.html#a3b15609df6042f96a0fb6354b27d318e">oset</a>, &amp;td-&gt;<a class="code" href="../../d3/dc5/structthread.html#a4fd5f5de2f41b7678bb537634990a812">sigmask</a>, <span class="keyword">sizeof</span>(<a class="code" href="../../d7/d12/struct____sigset.html">sigset_t</a>));</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    td-&gt;<a class="code" href="../../d3/dc5/structthread.html#af3ec0788a84e5cb640a1646d1347998a">td_retval</a>[0] = 0x0;</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;  }</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160; </div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;  <span class="keywordflow">if</span> (args-&gt;<a class="code" href="../../d7/de6/structsys__sigprocmask__args.html#ab37bc0eb4fcb9fde5f0e2a4f6f823aa1">set</a> != 0x0) {</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;    <span class="keywordflow">if</span> (args-&gt;<a class="code" href="../../d7/de6/structsys__sigprocmask__args.html#ac7673f08f959587ef3a47068e5be14ff">how</a> == <a class="code" href="../../df/d92/sys_2signal_8h.html#a37750b78b7ae75fe02ad26e70f6cc845">SIG_SETMASK</a>) {</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;      <span class="keywordflow">if</span> (args-&gt;<a class="code" href="../../d7/de6/structsys__sigprocmask__args.html#ab37bc0eb4fcb9fde5f0e2a4f6f823aa1">set</a> != 0x0) {</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;        <a class="code" href="../../da/d66/string_8h.html#ae33b18edb618c656b9b795b9fce2316c">memcpy</a>(&amp;td-&gt;<a class="code" href="../../d3/dc5/structthread.html#a4fd5f5de2f41b7678bb537634990a812">sigmask</a>, args-&gt;<a class="code" href="../../d7/de6/structsys__sigprocmask__args.html#ab37bc0eb4fcb9fde5f0e2a4f6f823aa1">set</a>, <span class="keyword">sizeof</span>(<a class="code" href="../../d7/d12/struct____sigset.html">sigset_t</a>));</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;        td-&gt;<a class="code" href="../../d3/dc5/structthread.html#af3ec0788a84e5cb640a1646d1347998a">td_retval</a>[0] = 0;</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;      } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;        td-&gt;<a class="code" href="../../d3/dc5/structthread.html#af3ec0788a84e5cb640a1646d1347998a">td_retval</a>[0] = -1;</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;      }</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (args-&gt;<a class="code" href="../../d7/de6/structsys__sigprocmask__args.html#ac7673f08f959587ef3a47068e5be14ff">how</a> == <a class="code" href="../../df/d92/sys_2signal_8h.html#a927f6ae16379576d638006c7498ac5d7">SIG_BLOCK</a>) {</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;      <span class="keywordflow">if</span> (args-&gt;<a class="code" href="../../d7/de6/structsys__sigprocmask__args.html#ab37bc0eb4fcb9fde5f0e2a4f6f823aa1">set</a> != 0x0) {</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;        td-&gt;<a class="code" href="../../d3/dc5/structthread.html#a4fd5f5de2f41b7678bb537634990a812">sigmask</a>.<a class="code" href="../../d7/d12/struct____sigset.html#af82a86c0ba3a93f568304f7df2e95867">__bits</a>[0] &amp;= args-&gt;<a class="code" href="../../d7/de6/structsys__sigprocmask__args.html#ab37bc0eb4fcb9fde5f0e2a4f6f823aa1">set</a>-&gt;<a class="code" href="../../d7/d12/struct____sigset.html#af82a86c0ba3a93f568304f7df2e95867">__bits</a>[0];</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;        td-&gt;<a class="code" href="../../d3/dc5/structthread.html#a4fd5f5de2f41b7678bb537634990a812">sigmask</a>.<a class="code" href="../../d7/d12/struct____sigset.html#af82a86c0ba3a93f568304f7df2e95867">__bits</a>[1] &amp;= args-&gt;<a class="code" href="../../d7/de6/structsys__sigprocmask__args.html#ab37bc0eb4fcb9fde5f0e2a4f6f823aa1">set</a>-&gt;<a class="code" href="../../d7/d12/struct____sigset.html#af82a86c0ba3a93f568304f7df2e95867">__bits</a>[1];</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;        td-&gt;<a class="code" href="../../d3/dc5/structthread.html#a4fd5f5de2f41b7678bb537634990a812">sigmask</a>.<a class="code" href="../../d7/d12/struct____sigset.html#af82a86c0ba3a93f568304f7df2e95867">__bits</a>[2] &amp;= args-&gt;<a class="code" href="../../d7/de6/structsys__sigprocmask__args.html#ab37bc0eb4fcb9fde5f0e2a4f6f823aa1">set</a>-&gt;<a class="code" href="../../d7/d12/struct____sigset.html#af82a86c0ba3a93f568304f7df2e95867">__bits</a>[2];</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;        td-&gt;<a class="code" href="../../d3/dc5/structthread.html#a4fd5f5de2f41b7678bb537634990a812">sigmask</a>.<a class="code" href="../../d7/d12/struct____sigset.html#af82a86c0ba3a93f568304f7df2e95867">__bits</a>[3] &amp;= args-&gt;<a class="code" href="../../d7/de6/structsys__sigprocmask__args.html#ab37bc0eb4fcb9fde5f0e2a4f6f823aa1">set</a>-&gt;<a class="code" href="../../d7/d12/struct____sigset.html#af82a86c0ba3a93f568304f7df2e95867">__bits</a>[3];</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;        td-&gt;<a class="code" href="../../d3/dc5/structthread.html#af3ec0788a84e5cb640a1646d1347998a">td_retval</a>[0] = 0;</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;      } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;        td-&gt;<a class="code" href="../../d3/dc5/structthread.html#af3ec0788a84e5cb640a1646d1347998a">td_retval</a>[0] = -1;</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;      }</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (args-&gt;<a class="code" href="../../d7/de6/structsys__sigprocmask__args.html#ac7673f08f959587ef3a47068e5be14ff">how</a> == <a class="code" href="../../df/d92/sys_2signal_8h.html#a5fcd73313a63dac2cc7eb3b654215250">SIG_UNBLOCK</a>) {</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;      <span class="keywordflow">if</span> (args-&gt;<a class="code" href="../../d7/de6/structsys__sigprocmask__args.html#ab37bc0eb4fcb9fde5f0e2a4f6f823aa1">set</a> != 0x0) {</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;        td-&gt;<a class="code" href="../../d3/dc5/structthread.html#a4fd5f5de2f41b7678bb537634990a812">sigmask</a>.<a class="code" href="../../d7/d12/struct____sigset.html#af82a86c0ba3a93f568304f7df2e95867">__bits</a>[0] |= args-&gt;<a class="code" href="../../d7/de6/structsys__sigprocmask__args.html#ab37bc0eb4fcb9fde5f0e2a4f6f823aa1">set</a>-&gt;<a class="code" href="../../d7/d12/struct____sigset.html#af82a86c0ba3a93f568304f7df2e95867">__bits</a>[0];</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;        td-&gt;<a class="code" href="../../d3/dc5/structthread.html#a4fd5f5de2f41b7678bb537634990a812">sigmask</a>.<a class="code" href="../../d7/d12/struct____sigset.html#af82a86c0ba3a93f568304f7df2e95867">__bits</a>[1] |= args-&gt;<a class="code" href="../../d7/de6/structsys__sigprocmask__args.html#ab37bc0eb4fcb9fde5f0e2a4f6f823aa1">set</a>-&gt;<a class="code" href="../../d7/d12/struct____sigset.html#af82a86c0ba3a93f568304f7df2e95867">__bits</a>[1];</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;        td-&gt;<a class="code" href="../../d3/dc5/structthread.html#a4fd5f5de2f41b7678bb537634990a812">sigmask</a>.<a class="code" href="../../d7/d12/struct____sigset.html#af82a86c0ba3a93f568304f7df2e95867">__bits</a>[2] |= args-&gt;<a class="code" href="../../d7/de6/structsys__sigprocmask__args.html#ab37bc0eb4fcb9fde5f0e2a4f6f823aa1">set</a>-&gt;<a class="code" href="../../d7/d12/struct____sigset.html#af82a86c0ba3a93f568304f7df2e95867">__bits</a>[2];</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;        td-&gt;<a class="code" href="../../d3/dc5/structthread.html#a4fd5f5de2f41b7678bb537634990a812">sigmask</a>.<a class="code" href="../../d7/d12/struct____sigset.html#af82a86c0ba3a93f568304f7df2e95867">__bits</a>[3] |= args-&gt;<a class="code" href="../../d7/de6/structsys__sigprocmask__args.html#ab37bc0eb4fcb9fde5f0e2a4f6f823aa1">set</a>-&gt;<a class="code" href="../../d7/d12/struct____sigset.html#af82a86c0ba3a93f568304f7df2e95867">__bits</a>[3];</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;        td-&gt;<a class="code" href="../../d3/dc5/structthread.html#af3ec0788a84e5cb640a1646d1347998a">td_retval</a>[0] = 0;</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;      } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;        td-&gt;<a class="code" href="../../d3/dc5/structthread.html#af3ec0788a84e5cb640a1646d1347998a">td_retval</a>[0] = -1;</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;      }</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;      <a class="code" href="../../da/d28/kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">&quot;SPM: 0x%X&quot;</span>, args-&gt;<a class="code" href="../../d7/de6/structsys__sigprocmask__args.html#ac7673f08f959587ef3a47068e5be14ff">how</a>);</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;      td-&gt;<a class="code" href="../../d3/dc5/structthread.html#af3ec0788a84e5cb640a1646d1347998a">td_retval</a>[0] = -1;</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;    }</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;  }</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160; </div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;  <span class="keywordflow">return</span> (0);</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;}</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160; </div>
<div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="../../d8/d36/signal_8c.html#add3795da6dd256853821910f6fde5569">   80</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="../../d8/d36/signal_8c.html#add3795da6dd256853821910f6fde5569">sys_sigaction</a>(<span class="keyword">struct</span> <a class="code" href="../../d3/dc5/structthread.html">thread</a> *td, <span class="keyword">struct</span> <a class="code" href="../../d6/df1/structsys__sigaction__args.html">sys_sigaction_args</a> *args) {</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;  td-&gt;<a class="code" href="../../d3/dc5/structthread.html#af3ec0788a84e5cb640a1646d1347998a">td_retval</a>[0] = -1;</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160; </div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;  <span class="keywordflow">if</span> (args-&gt;<a class="code" href="../../d6/df1/structsys__sigaction__args.html#a2d1efc69484f943c9ad01fa45e3d39e0">oact</a> != 0x0) {</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    <a class="code" href="../../da/d66/string_8h.html#ae33b18edb618c656b9b795b9fce2316c">memcpy</a>(args-&gt;<a class="code" href="../../d6/df1/structsys__sigaction__args.html#a2d1efc69484f943c9ad01fa45e3d39e0">oact</a>, &amp;td-&gt;<a class="code" href="../../d3/dc5/structthread.html#aa0041bdd41da4a43a6c69327e866336e">sigact</a>[args-&gt;<a class="code" href="../../d6/df1/structsys__sigaction__args.html#a44a3fc57e54e0246d29c8fb6422e26c5">sig</a>], <span class="keyword">sizeof</span>(<span class="keyword">struct</span> <a class="code" href="../../d7/def/structsigaction.html">sigaction</a>));</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    td-&gt;<a class="code" href="../../d3/dc5/structthread.html#af3ec0788a84e5cb640a1646d1347998a">td_retval</a>[0] = 0;</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;  }</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160; </div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;  <span class="keywordflow">if</span> (args-&gt;<a class="code" href="../../d6/df1/structsys__sigaction__args.html#a4502042a0ee83f26b999497b5f0d60a8">act</a> != 0x0) {</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    <span class="comment">//kprintf(&quot;SA: %i&quot;, args-&gt;sig);</span></div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    <a class="code" href="../../da/d66/string_8h.html#ae33b18edb618c656b9b795b9fce2316c">memcpy</a>(&amp;td-&gt;<a class="code" href="../../d3/dc5/structthread.html#aa0041bdd41da4a43a6c69327e866336e">sigact</a>[args-&gt;<a class="code" href="../../d6/df1/structsys__sigaction__args.html#a44a3fc57e54e0246d29c8fb6422e26c5">sig</a>], args-&gt;<a class="code" href="../../d6/df1/structsys__sigaction__args.html#a4502042a0ee83f26b999497b5f0d60a8">act</a>, <span class="keyword">sizeof</span>(<span class="keyword">struct</span> <a class="code" href="../../d7/def/structsigaction.html">sigaction</a>));</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    td-&gt;<a class="code" href="../../d3/dc5/structthread.html#af3ec0788a84e5cb640a1646d1347998a">td_retval</a>[0] = 0;</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;  }</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;  <span class="keywordflow">return</span> (0);</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;}</div>
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<div class="ttc" id="astructsys__sigprocmask__args_html_a3b15609df6042f96a0fb6354b27d318e"><div class="ttname"><a href="../../d7/de6/structsys__sigprocmask__args.html#a3b15609df6042f96a0fb6354b27d318e">sys_sigprocmask_args::oset</a></div><div class="ttdeci">sigset_t * oset</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d7e/sysproto__posix_8h_source.html#l00559">sysproto_posix.h:559</a></div></div>
<div class="ttc" id="astructsigaction_html"><div class="ttname"><a href="../../d7/def/structsigaction.html">sigaction</a></div><div class="ttdef"><b>Definition:</b> <a href="../../df/d92/sys_2signal_8h_source.html#l00093">signal.h:93</a></div></div>
<div class="ttc" id="astructsys__sigaction__args_html"><div class="ttname"><a href="../../d6/df1/structsys__sigaction__args.html">sys_sigaction_args</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d7e/sysproto__posix_8h_source.html#l00563">sysproto_posix.h:563</a></div></div>
<div class="ttc" id="asysproto__posix_8h_html"><div class="ttname"><a href="../../d3/d7e/sysproto__posix_8h.html">sysproto_posix.h</a></div></div>
<div class="ttc" id="asys_2signal_8h_html_a37750b78b7ae75fe02ad26e70f6cc845"><div class="ttname"><a href="../../df/d92/sys_2signal_8h.html#a37750b78b7ae75fe02ad26e70f6cc845">SIG_SETMASK</a></div><div class="ttdeci">#define SIG_SETMASK</div><div class="ttdef"><b>Definition:</b> <a href="../../df/d92/sys_2signal_8h_source.html#l00044">signal.h:44</a></div></div>
<div class="ttc" id="astructthread_html"><div class="ttname"><a href="../../d3/dc5/structthread.html">thread</a></div><div class="ttdef"><b>Definition:</b> <a href="../../db/dd5/thread_8h_source.html#l00040">thread.h:40</a></div></div>
<div class="ttc" id="asys_2signal_8h_html_a927f6ae16379576d638006c7498ac5d7"><div class="ttname"><a href="../../df/d92/sys_2signal_8h.html#a927f6ae16379576d638006c7498ac5d7">SIG_BLOCK</a></div><div class="ttdeci">#define SIG_BLOCK</div><div class="ttdef"><b>Definition:</b> <a href="../../df/d92/sys_2signal_8h_source.html#l00042">signal.h:42</a></div></div>
<div class="ttc" id="aassert_8h_html"><div class="ttname"><a href="../../dc/da7/assert_8h.html">assert.h</a></div></div>
<div class="ttc" id="astructthread_html_a4fd5f5de2f41b7678bb537634990a812"><div class="ttname"><a href="../../d3/dc5/structthread.html#a4fd5f5de2f41b7678bb537634990a812">thread::sigmask</a></div><div class="ttdeci">sigset_t sigmask</div><div class="ttdef"><b>Definition:</b> <a href="../../db/dd5/thread_8h_source.html#l00049">thread.h:49</a></div></div>
<div class="ttc" id="astructthread_html_aa0041bdd41da4a43a6c69327e866336e"><div class="ttname"><a href="../../d3/dc5/structthread.html#aa0041bdd41da4a43a6c69327e866336e">thread::sigact</a></div><div class="ttdeci">struct sigaction sigact[128]</div><div class="ttdef"><b>Definition:</b> <a href="../../db/dd5/thread_8h_source.html#l00050">thread.h:50</a></div></div>
<div class="ttc" id="astruct____sigset_html_af82a86c0ba3a93f568304f7df2e95867"><div class="ttname"><a href="../../d7/d12/struct____sigset.html#af82a86c0ba3a93f568304f7df2e95867">__sigset::__bits</a></div><div class="ttdeci">__uint32_t __bits[4]</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/da4/__sigset_8h_source.html#l00043">_sigset.h:43</a></div></div>
<div class="ttc" id="astring_8h_html_ae33b18edb618c656b9b795b9fce2316c"><div class="ttname"><a href="../../da/d66/string_8h.html#ae33b18edb618c656b9b795b9fce2316c">memcpy</a></div><div class="ttdeci">void * memcpy(const void *dst, const void *src, size_t length)</div></div>
<div class="ttc" id="astruct____sigset_html"><div class="ttname"><a href="../../d7/d12/struct____sigset.html">__sigset</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/da4/__sigset_8h_source.html#l00042">_sigset.h:42</a></div></div>
<div class="ttc" id="asys_2signal_8h_html_a5fcd73313a63dac2cc7eb3b654215250"><div class="ttname"><a href="../../df/d92/sys_2signal_8h.html#a5fcd73313a63dac2cc7eb3b654215250">SIG_UNBLOCK</a></div><div class="ttdeci">#define SIG_UNBLOCK</div><div class="ttdef"><b>Definition:</b> <a href="../../df/d92/sys_2signal_8h_source.html#l00043">signal.h:43</a></div></div>
<div class="ttc" id="astructsys__sigprocmask__args_html"><div class="ttname"><a href="../../d7/de6/structsys__sigprocmask__args.html">sys_sigprocmask_args</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d7e/sysproto__posix_8h_source.html#l00551">sysproto_posix.h:551</a></div></div>
<div class="ttc" id="astructthread_html_af3ec0788a84e5cb640a1646d1347998a"><div class="ttname"><a href="../../d3/dc5/structthread.html#af3ec0788a84e5cb640a1646d1347998a">thread::td_retval</a></div><div class="ttdeci">int td_retval[2]</div><div class="ttdef"><b>Definition:</b> <a href="../../db/dd5/thread_8h_source.html#l00041">thread.h:41</a></div></div>
<div class="ttc" id="astructsys__sigaction__args_html_a44a3fc57e54e0246d29c8fb6422e26c5"><div class="ttname"><a href="../../d6/df1/structsys__sigaction__args.html#a44a3fc57e54e0246d29c8fb6422e26c5">sys_sigaction_args::sig</a></div><div class="ttdeci">int sig</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d7e/sysproto__posix_8h_source.html#l00565">sysproto_posix.h:565</a></div></div>
<div class="ttc" id="akprintf_8h_html"><div class="ttname"><a href="../../da/d28/kprintf_8h.html">kprintf.h</a></div></div>
<div class="ttc" id="astructsys__sigprocmask__args_html_ac7673f08f959587ef3a47068e5be14ff"><div class="ttname"><a href="../../d7/de6/structsys__sigprocmask__args.html#ac7673f08f959587ef3a47068e5be14ff">sys_sigprocmask_args::how</a></div><div class="ttdeci">int how</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d7e/sysproto__posix_8h_source.html#l00553">sysproto_posix.h:553</a></div></div>
<div class="ttc" id="asignal_8c_html_adb0dc568dd674705e372495140616236"><div class="ttname"><a href="../../d8/d36/signal_8c.html#adb0dc568dd674705e372495140616236">sys_sigprocmask</a></div><div class="ttdeci">int sys_sigprocmask(struct thread *td, struct sys_sigprocmask_args *args)</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/d36/signal_8c_source.html#l00035">signal.c:35</a></div></div>
<div class="ttc" id="astructsys__sigaction__args_html_a2d1efc69484f943c9ad01fa45e3d39e0"><div class="ttname"><a href="../../d6/df1/structsys__sigaction__args.html#a2d1efc69484f943c9ad01fa45e3d39e0">sys_sigaction_args::oact</a></div><div class="ttdeci">struct sigaction * oact</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d7e/sysproto__posix_8h_source.html#l00571">sysproto_posix.h:571</a></div></div>
<div class="ttc" id="astructsys__sigaction__args_html_a4502042a0ee83f26b999497b5f0d60a8"><div class="ttname"><a href="../../d6/df1/structsys__sigaction__args.html#a4502042a0ee83f26b999497b5f0d60a8">sys_sigaction_args::act</a></div><div class="ttdeci">const struct sigaction * act</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d7e/sysproto__posix_8h_source.html#l00568">sysproto_posix.h:568</a></div></div>
<div class="ttc" id="astructsys__sigprocmask__args_html_ab37bc0eb4fcb9fde5f0e2a4f6f823aa1"><div class="ttname"><a href="../../d7/de6/structsys__sigprocmask__args.html#ab37bc0eb4fcb9fde5f0e2a4f6f823aa1">sys_sigprocmask_args::set</a></div><div class="ttdeci">const sigset_t * set</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d7e/sysproto__posix_8h_source.html#l00556">sysproto_posix.h:556</a></div></div>
<div class="ttc" id="asignal_8c_html_add3795da6dd256853821910f6fde5569"><div class="ttname"><a href="../../d8/d36/signal_8c.html#add3795da6dd256853821910f6fde5569">sys_sigaction</a></div><div class="ttdeci">int sys_sigaction(struct thread *td, struct sys_sigaction_args *args)</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/d36/signal_8c_source.html#l00080">signal.c:80</a></div></div>
<div class="ttc" id="asys_2signal_8h_html"><div class="ttname"><a href="../../df/d92/sys_2signal_8h.html">signal.h</a></div></div>
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