doc/generated/html/api/event_flags_8c-example.html

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   5 <title>Xenomai API: event_flags.c</title>
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  25 <h1>event_flags.c</h1>  </div>
  26 </div>
  27 <div class="contents">
  28 <div class="fragment"><pre class="fragment"><span class="preprocessor">#include &lt;<a class="code" href="event_8h.html" title="This file is part of the Xenomai project.">native/event.h</a>&gt;</span>
  29
  30 <span class="preprocessor">#define EVENT_INIT        0x0           </span><span class="comment">/* No flags present at init */</span>
  31 <span class="preprocessor">#define EVENT_MODE        EV_PRIO       </span><span class="comment">/* Tasks will wait by priority order */</span>
  32 <span class="preprocessor">#define EVENT_WAIT_MASK   (0x1|0x2|0x4) </span><span class="comment">/* List of monitored events */</span>
  33 <span class="preprocessor">#define EVENT_SIGNAL_MASK (0x2)         </span><span class="comment">/* List of events to send */</span>
  34
  35 RT_EVENT ev_desc;
  36
  37 <span class="keywordtype">void</span> foo (<span class="keywordtype">void</span>)
  38
  39 {
  40     <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> mask_ret;
  41     <span class="keywordtype">int</span> err;
  42
  43     <span class="comment">/* Create an event flag; we could also have attempted to bind to</span>
  44 <span class="comment">       some pre-existing object, using rt_event_bind() instead of</span>
  45 <span class="comment">       creating it. */</span>
  46
  47     err = <a name="a0"></a><a class="code" href="group__event.html#ga8b0fbb2b816c62081afe86bf897c503c" title="Create an event group.">rt_event_create</a>(&amp;ev_desc,
  48                           <span class="stringliteral">&quot;MyEventFlagGroup&quot;</span>,
  49                           EVENT_INIT,
  50                           EVENT_MODE);
  51
  52     <span class="comment">/* Now, wait for some task to post some event flags... */</span>
  53
  54     err = <a name="a1"></a><a class="code" href="group__event.html#ga6e9f775275661d9258f8b1eb02fe4681" title="Pend on an event group.">rt_event_wait</a>(&amp;ev_desc,
  55                         EVENT_WAIT_MASK,
  56                         &amp;mask_ret,
  57                         EV_ANY, <span class="comment">/* Disjunctive wait */</span>
  58                         TM_INFINITE);
  59     <span class="comment">/* ... */</span>
  60 }
  61
  62 <span class="keywordtype">void</span> bar (<span class="keywordtype">void</span>)
  63
  64 {
  65     <span class="comment">/* ... */</span>
  66
  67     <span class="comment">/* Post some events. */</span>
  68
  69     <a name="a2"></a><a class="code" href="group__event.html#gafda4c544f2429005c4b15de3a7ffc902" title="Post an event group.">rt_event_signal</a>(&amp;ev_desc,EVENT_SIGNAL_MASK);
  70
  71     <span class="comment">/* ... */</span>
  72 }
  73
  74 <span class="keywordtype">void</span> cleanup (<span class="keywordtype">void</span>)
  75
  76 {
  77     <a name="a3"></a><a class="code" href="group__event.html#gabccfea1cd018493ef5a28c6fe8e90d7c" title="Delete an event group.">rt_event_delete</a>(&amp;ev_desc);
  78 }
  79 </pre></div> </div>
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  82 <a href="http://www.doxygen.org/index.html">
  83 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.1 </small></address>
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