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  11 <h1>dmxsigio.c File Reference</h1><code>#include "inputstr.h"</code><br>
  12 <code>#include "<a class="el" href="dmxinputinit_8h-source.html">dmxinputinit.h</a>"</code><br>
  13 <code>#include "<a class="el" href="dmxsigio_8h-source.html">dmxsigio.h</a>"</code><br>
  14 <code>#include "<a class="el" href="dmxevents_8h-source.html">dmxevents.h</a>"</code><br>
  15 <code>#include &lt;signal.h&gt;</code><br>
  16 <code>#include &lt;unistd.h&gt;</code><br>
  17 <code>#include &lt;sys/fcntl.h&gt;</code><br>
  18 <table border=0 cellpadding=0 cellspacing=0>
  19 <tr><td></td></tr>
  20 <tr><td colspan=2><br><h2>Functions</h2></td></tr>
  21 <tr><td class="memItemLeft" nowrap align=right valign=top>void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="dmxsigio_8c.html#a5">dmxSigioBlock</a> (void)</td></tr>
  22
  23 <tr><td class="memItemLeft" nowrap align=right valign=top>void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="dmxsigio_8c.html#a6">dmxSigioUnblock</a> (void)</td></tr>
  24
  25 <tr><td class="memItemLeft" nowrap align=right valign=top>void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="dmxsigio_8c.html#a11">dmxSigioEnableInput</a> (void)</td></tr>
  26
  27 <tr><td class="memItemLeft" nowrap align=right valign=top>void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="dmxsigio_8c.html#a12">dmxSigioDisableInput</a> (void)</td></tr>
  28
  29 <tr><td class="memItemLeft" nowrap align=right valign=top>void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="dmxsigio_8c.html#a13">dmxSigioRegister</a> (<a class="el" href="struct__DMXInputInfo.html">DMXInputInfo</a> *dmxInput, int fd)</td></tr>
  30
  31 <tr><td class="memItemLeft" nowrap align=right valign=top>void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="dmxsigio_8c.html#a14">dmxSigioUnregister</a> (<a class="el" href="struct__DMXInputInfo.html">DMXInputInfo</a> *dmxInput)</td></tr>
  32
  33 </table>
  34 <hr><a name="_details"></a><h2>Detailed Description</h2>
  35 Provides an interface for handling SIGIO signals for input devices.<hr><h2>Function Documentation</h2>
  36 <a class="anchor" name="a5" doxytag="dmxsigio.c::dmxSigioBlock" ></a><p>
  37 <table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
  38   <tr>
  39     <td class="mdRow">
  40       <table cellpadding="0" cellspacing="0" border="0">
  41         <tr>
  42           <td class="md" nowrap valign="top"> void dmxSigioBlock </td>
  43           <td class="md" valign="top">(&nbsp;</td>
  44           <td class="md" nowrap valign="top">void&nbsp;</td>
  45           <td class="mdname1" valign="top" nowrap>          </td>
  46           <td class="md" valign="top">&nbsp;)&nbsp;</td>
  47           <td class="md" nowrap></td>
  48         </tr>
  49
  50       </table>
  51     </td>
  52   </tr>
  53 </table>
  54 <table cellspacing=5 cellpadding=0 border=0>
  55   <tr>
  56     <td>
  57       &nbsp;
  58     </td>
  59     <td>
  60
  61 <p>
  62 Block SIGIO handling.     </td>
  63   </tr>
  64 </table>
  65 <a class="anchor" name="a12" doxytag="dmxsigio.c::dmxSigioDisableInput" ></a><p>
  66 <table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
  67   <tr>
  68     <td class="mdRow">
  69       <table cellpadding="0" cellspacing="0" border="0">
  70         <tr>
  71           <td class="md" nowrap valign="top"> void dmxSigioDisableInput </td>
  72           <td class="md" valign="top">(&nbsp;</td>
  73           <td class="md" nowrap valign="top">void&nbsp;</td>
  74           <td class="mdname1" valign="top" nowrap>          </td>
  75           <td class="md" valign="top">&nbsp;)&nbsp;</td>
  76           <td class="md" nowrap></td>
  77         </tr>
  78
  79       </table>
  80     </td>
  81   </tr>
  82 </table>
  83 <table cellspacing=5 cellpadding=0 border=0>
  84   <tr>
  85     <td>
  86       &nbsp;
  87     </td>
  88     <td>
  89
  90 <p>
  91 Disable SIGIO handling. This removes the hanlder from the OS.     </td>
  92   </tr>
  93 </table>
  94 <a class="anchor" name="a11" doxytag="dmxsigio.c::dmxSigioEnableInput" ></a><p>
  95 <table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
  96   <tr>
  97     <td class="mdRow">
  98       <table cellpadding="0" cellspacing="0" border="0">
  99         <tr>
 100           <td class="md" nowrap valign="top"> void dmxSigioEnableInput </td>
 101           <td class="md" valign="top">(&nbsp;</td>
 102           <td class="md" nowrap valign="top">void&nbsp;</td>
 103           <td class="mdname1" valign="top" nowrap>          </td>
 104           <td class="md" valign="top">&nbsp;)&nbsp;</td>
 105           <td class="md" nowrap></td>
 106         </tr>
 107
 108       </table>
 109     </td>
 110   </tr>
 111 </table>
 112 <table cellspacing=5 cellpadding=0 border=0>
 113   <tr>
 114     <td>
 115       &nbsp;
 116     </td>
 117     <td>
 118
 119 <p>
 120 Enable SIGIO handling. This instantiates the handler with the OS.     </td>
 121   </tr>
 122 </table>
 123 <a class="anchor" name="a13" doxytag="dmxsigio.c::dmxSigioRegister" ></a><p>
 124 <table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
 125   <tr>
 126     <td class="mdRow">
 127       <table cellpadding="0" cellspacing="0" border="0">
 128         <tr>
 129           <td class="md" nowrap valign="top"> void dmxSigioRegister </td>
 130           <td class="md" valign="top">(&nbsp;</td>
 131           <td class="md" nowrap valign="top"><a class="el" href="struct__DMXInputInfo.html">DMXInputInfo</a> *&nbsp;</td>
 132           <td class="mdname" nowrap> <em>dmxInput</em>, </td>
 133         </tr>
 134         <tr>
 135           <td></td>
 136           <td></td>
 137           <td class="md" nowrap>int&nbsp;</td>
 138           <td class="mdname" nowrap> <em>fd</em></td>
 139         </tr>
 140         <tr>
 141           <td></td>
 142           <td class="md">)&nbsp;</td>
 143           <td class="md" colspan="2"></td>
 144         </tr>
 145
 146       </table>
 147     </td>
 148   </tr>
 149 </table>
 150 <table cellspacing=5 cellpadding=0 border=0>
 151   <tr>
 152     <td>
 153       &nbsp;
 154     </td>
 155     <td>
 156
 157 <p>
 158 Make a note that the input device described in <em>dmxInput</em> will be using the file descriptor <em>fd</em> for SIGIO signals. Calls AddEnabledDevice ifi SIGIO handling has been enabled with <a class="el" href="dmxsigio_8c.html#a11">dmxSigioEnableInput()</a>.     </td>
 159   </tr>
 160 </table>
 161 <a class="anchor" name="a6" doxytag="dmxsigio.c::dmxSigioUnblock" ></a><p>
 162 <table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
 163   <tr>
 164     <td class="mdRow">
 165       <table cellpadding="0" cellspacing="0" border="0">
 166         <tr>
 167           <td class="md" nowrap valign="top"> void dmxSigioUnblock </td>
 168           <td class="md" valign="top">(&nbsp;</td>
 169           <td class="md" nowrap valign="top">void&nbsp;</td>
 170           <td class="mdname1" valign="top" nowrap>          </td>
 171           <td class="md" valign="top">&nbsp;)&nbsp;</td>
 172           <td class="md" nowrap></td>
 173         </tr>
 174
 175       </table>
 176     </td>
 177   </tr>
 178 </table>
 179 <table cellspacing=5 cellpadding=0 border=0>
 180   <tr>
 181     <td>
 182       &nbsp;
 183     </td>
 184     <td>
 185
 186 <p>
 187 Unblock SIGIO handling.     </td>
 188   </tr>
 189 </table>
 190 <a class="anchor" name="a14" doxytag="dmxsigio.c::dmxSigioUnregister" ></a><p>
 191 <table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
 192   <tr>
 193     <td class="mdRow">
 194       <table cellpadding="0" cellspacing="0" border="0">
 195         <tr>
 196           <td class="md" nowrap valign="top"> void dmxSigioUnregister </td>
 197           <td class="md" valign="top">(&nbsp;</td>
 198           <td class="md" nowrap valign="top"><a class="el" href="struct__DMXInputInfo.html">DMXInputInfo</a> *&nbsp;</td>
 199           <td class="mdname1" valign="top" nowrap> <em>dmxInput</em>          </td>
 200           <td class="md" valign="top">&nbsp;)&nbsp;</td>
 201           <td class="md" nowrap></td>
 202         </tr>
 203
 204       </table>
 205     </td>
 206   </tr>
 207 </table>
 208 <table cellspacing=5 cellpadding=0 border=0>
 209   <tr>
 210     <td>
 211       &nbsp;
 212     </td>
 213     <td>
 214
 215 <p>
 216 Remove the notes that <em>dmxInput</em> is using any file descriptors for SIGIO signals. Calls RemoveEnabledDevice.     </td>
 217   </tr>
 218 </table>
 219     <hr>
 220     <address>
 221       <small>
 222         Generated June 29, 2004 for <a
 223         href="http://dmx.sourceforge.net">Distributed Multihead X</a> by
 224         <a href="http://www.doxygen.org/index.html">doxygen</a>
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 226       </small>
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