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Viktor Reusch
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<a href="util_2event.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// vi:set ft=cpp: -*- Mode: C++ -*-</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">/*</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> * (c) 2008-2009 Adam Lackorzynski &lt;adam@os.inf.tu-dresden.de&gt;,</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> * Alexander Warg &lt;warg@os.inf.tu-dresden.de&gt;</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> * economic rights: Technische Universität Dresden (Germany)</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"> *</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> * License: see LICENSE.spdx (in this directory or the directories above)</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> */</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#pragma once</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include &lt;<a class="code" href="cap__alloc.html">l4/re/cap_alloc</a>&gt;</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="preprocessor">#include &lt;<a class="code" href="util_2cap__alloc.html">l4/re/util/cap_alloc</a>&gt;</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include &lt;<a class="code" href="util_2unique__cap.html">l4/re/util/unique_cap</a>&gt;</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include &lt;<a class="code" href="env.html">l4/re/env</a>&gt;</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include &lt;<a class="code" href="rm.html">l4/re/rm</a>&gt;</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include &lt;l4/re/util/event_buffer&gt;</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include &lt;<a class="code" href="factory.html">l4/sys/factory</a>&gt;</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include &lt;l4/cxx/type_traits&gt;</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> </div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceL4Re.html">L4Re</a> { <span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceL4Re_1_1Util.html">Util</a> {</div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> PAYLOAD &gt;</div>
<div class="foldopen" id="foldopen00032" data-start="{" data-end="};">
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"><a class="line" href="classL4Re_1_1Util_1_1Event__t.html"> 32</a></span><span class="keyword">class </span><a class="code hl_class" href="classL4Re_1_1Util_1_1Event__t.html">Event_t</a></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span>{</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="keyword">public</span>:</div>
<div class="foldopen" id="foldopen00038" data-start="{" data-end="};">
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"><a class="line" href="classL4Re_1_1Util_1_1Event__t.html#a8135ac33e061c5ee03a95bc2b1a2e4af"> 38</a></span> <span class="keyword">enum</span> <a class="code hl_enumeration" href="classL4Re_1_1Util_1_1Event__t.html#a8135ac33e061c5ee03a95bc2b1a2e4af">Mode</a></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> {</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"><a class="line" href="classL4Re_1_1Util_1_1Event__t.html#a8135ac33e061c5ee03a95bc2b1a2e4afa36b4ece428429fc370c014725cd590c9"> 40</a></span> <a class="code hl_enumvalue" href="classL4Re_1_1Util_1_1Event__t.html#a8135ac33e061c5ee03a95bc2b1a2e4afa36b4ece428429fc370c014725cd590c9">Mode_irq</a>, </div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"><a class="line" href="classL4Re_1_1Util_1_1Event__t.html#a8135ac33e061c5ee03a95bc2b1a2e4afa3d9dd15594fc68b159ad5905eb333fa9"> 41</a></span> <a class="code hl_enumvalue" href="classL4Re_1_1Util_1_1Event__t.html#a8135ac33e061c5ee03a95bc2b1a2e4afa3d9dd15594fc68b159ad5905eb333fa9">Mode_polling</a>, </div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> };</div>
</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keyword">template</span>&lt;<span class="keyword">typename</span> IRQ_TYPE&gt;</div>
<div class="foldopen" id="foldopen00059" data-start="{" data-end="}">
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"><a class="line" href="classL4Re_1_1Util_1_1Event__t.html#a6bcd7eb150f0375e543f1247afc4e4a4"> 59</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4Re_1_1Util_1_1Event__t.html#a6bcd7eb150f0375e543f1247afc4e4a4">init</a>(<a class="code hl_class" href="classL4_1_1Cap.html">L4::Cap&lt;L4Re::Event&gt;</a> event,</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <a class="code hl_class" href="classL4Re_1_1Env.html">L4Re::Env</a> <span class="keyword">const</span> *env = <a class="code hl_function" href="classL4Re_1_1Env.html#a2706ca11e70845b0a29a5646c9fd54bc">L4Re::Env::env</a>(),</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <a class="code hl_class" href="classL4Re_1_1Cap__alloc.html">L4Re::Cap_alloc</a> *ca = &amp;<a class="code hl_variable" href="group__l4re__cap__api.html#ga29e3dbeb3c8ed0609519c9df212c9c52">L4Re::Util::cap_alloc</a>)</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> {</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <a class="code hl_typedef" href="namespaceL4Re_1_1Util.html#a0efccd325a19246334922e58dd973914">Unique_cap&lt;L4Re::Dataspace&gt;</a> ev_ds(ca-&gt;alloc&lt;<a class="code hl_class" href="classL4Re_1_1Dataspace.html">L4Re::Dataspace</a>&gt;());</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keywordflow">if</span> (!ev_ds.<a class="code hl_function" href="classL4_1_1Cap__base.html#ab4937bb12579c752564f7250760d0bda">is_valid</a>())</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="keywordflow">return</span> -<a class="code hl_enumvalue" href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9af7f5d38973fbf298613b03a088541e27">L4_ENOMEM</a>;</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> </div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="keywordtype">int</span> r;</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> </div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <a class="code hl_typedef" href="namespaceL4Re_1_1Util.html#a13a4df2df2fdffc06880b49fb10b0c74">Unique_del_cap&lt;IRQ_TYPE&gt;</a> ev_irq(ca-&gt;alloc&lt;IRQ_TYPE&gt;());</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keywordflow">if</span> (!ev_irq.<a class="code hl_function" href="classL4_1_1Cap__base.html#ab4937bb12579c752564f7250760d0bda">is_valid</a>())</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keywordflow">return</span> -<a class="code hl_enumvalue" href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9af7f5d38973fbf298613b03a088541e27">L4_ENOMEM</a>;</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> </div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="keywordflow">if</span> ((r = <a class="code hl_function" href="group__l4__ipc__err__api.html#ga05c11e3e10b6c2aa941396ac2018899f">l4_error</a>(env-&gt;factory()-&gt;create(ev_irq.get()))))</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordflow">return</span> r;</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> </div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keywordflow">if</span> ((r = <a class="code hl_function" href="group__l4__ipc__err__api.html#ga05c11e3e10b6c2aa941396ac2018899f">l4_error</a>(event-&gt;bind(0, ev_irq.get()))))</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keywordflow">return</span> r;</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keywordflow">if</span> ((r = event-&gt;get_buffer(ev_ds.get())))</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keywordflow">return</span> r;</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> </div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keywordtype">long</span> sz = ev_ds-&gt;size();</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keywordflow">if</span> (sz &lt; 0)</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keywordflow">return</span> sz;</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> </div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <a class="code hl_class" href="classL4Re_1_1Rm_1_1Unique__region.html">Rm::Unique_region&lt;void*&gt;</a> buf;</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> </div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="keywordflow">if</span> ((r = env-&gt;rm()-&gt;attach(&amp;buf, sz,</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <a class="code hl_enumvalue" href="structL4Re_1_1Rm_1_1F.html#adec4d26077e34d9586891ac0489e0041a067b0bc28378717b6962241c621caa0a">L4Re::Rm::F::Search_addr</a> | <a class="code hl_enumvalue" href="structL4Re_1_1Rm_1_1F.html#a9707a14d822d3f60aa6a97cb16b2a989a579e389b46e438a64f3f44d9cf19f26a">L4Re::Rm::F::RW</a>,</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <a class="code hl_function" href="namespaceL4_1_1Ipc.html#aa6b9422f850eb175240c9d18c5cc708c">L4::Ipc::make_cap_rw</a>(ev_ds.get()))))</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keywordflow">return</span> r;</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> </div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> _ev_buffer = <a class="code hl_class" href="classL4Re_1_1Event__buffer__t.html">L4Re::Event_buffer_t&lt;PAYLOAD&gt;</a>(buf.<a class="code hl_function" href="classL4Re_1_1Rm_1_1Unique__region.html#a301d5bd597f8c1e3b98bc52659f13dbe">get</a>(), sz);</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> _ev_ds = cxx::move(ev_ds);</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> _ev_irq = cxx::move(ev_irq);</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> _buf = cxx::move(buf);</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> </div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> }</div>
</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span></div>
<div class="foldopen" id="foldopen00112" data-start="{" data-end="}">
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"><a class="line" href="classL4Re_1_1Util_1_1Event__t.html#a2eb9c33428c28a653b050b159f3d1733"> 112</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4Re_1_1Util_1_1Event__t.html#a2eb9c33428c28a653b050b159f3d1733">init_poll</a>(<a class="code hl_class" href="classL4_1_1Cap.html">L4::Cap&lt;L4Re::Event&gt;</a> event,</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <a class="code hl_class" href="classL4Re_1_1Env.html">L4Re::Env</a> <span class="keyword">const</span> *env = <a class="code hl_function" href="classL4Re_1_1Env.html#a2706ca11e70845b0a29a5646c9fd54bc">L4Re::Env::env</a>(),</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <a class="code hl_class" href="classL4Re_1_1Cap__alloc.html">L4Re::Cap_alloc</a> *ca = &amp;<a class="code hl_variable" href="group__l4re__cap__api.html#ga29e3dbeb3c8ed0609519c9df212c9c52">L4Re::Util::cap_alloc</a>)</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> {</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <a class="code hl_typedef" href="namespaceL4Re_1_1Util.html#a0efccd325a19246334922e58dd973914">Unique_cap&lt;L4Re::Dataspace&gt;</a> ev_ds(ca-&gt;alloc&lt;<a class="code hl_class" href="classL4Re_1_1Dataspace.html">L4Re::Dataspace</a>&gt;());</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keywordflow">if</span> (!ev_ds.<a class="code hl_function" href="classL4_1_1Cap__base.html#ab4937bb12579c752564f7250760d0bda">is_valid</a>())</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keywordflow">return</span> -<a class="code hl_enumvalue" href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9af7f5d38973fbf298613b03a088541e27">L4_ENOMEM</a>;</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> </div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="keywordtype">int</span> r;</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> </div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="keywordflow">if</span> ((r = event-&gt;get_buffer(ev_ds.get())))</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="keywordflow">return</span> r;</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> </div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="keywordtype">long</span> sz = ev_ds-&gt;size();</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keywordflow">if</span> (sz &lt; 0)</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <span class="keywordflow">return</span> sz;</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> </div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <a class="code hl_class" href="classL4Re_1_1Rm_1_1Unique__region.html">Rm::Unique_region&lt;void*&gt;</a> buf;</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> </div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="keywordflow">if</span> ((r = env-&gt;rm()-&gt;attach(&amp;buf, sz,</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <a class="code hl_enumvalue" href="structL4Re_1_1Rm_1_1F.html#adec4d26077e34d9586891ac0489e0041a067b0bc28378717b6962241c621caa0a">L4Re::Rm::F::Search_addr</a> | <a class="code hl_enumvalue" href="structL4Re_1_1Rm_1_1F.html#a9707a14d822d3f60aa6a97cb16b2a989a579e389b46e438a64f3f44d9cf19f26a">L4Re::Rm::F::RW</a>,</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <a class="code hl_function" href="namespaceL4_1_1Ipc.html#aa6b9422f850eb175240c9d18c5cc708c">L4::Ipc::make_cap_rw</a>(ev_ds.get()))))</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="keywordflow">return</span> r;</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> </div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> _ev_buffer = <a class="code hl_class" href="classL4Re_1_1Event__buffer__t.html">L4Re::Event_buffer_t&lt;PAYLOAD&gt;</a>(buf.<a class="code hl_function" href="classL4Re_1_1Rm_1_1Unique__region.html#a301d5bd597f8c1e3b98bc52659f13dbe">get</a>(), sz);</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> _ev_ds = cxx::move(ev_ds);</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> _buf = cxx::move(buf);</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> </div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> }</div>
</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"><a class="line" href="classL4Re_1_1Util_1_1Event__t.html#a8da1e793e7a666c4ec7380aedbf2aa70"> 148</a></span> <a class="code hl_class" href="classL4Re_1_1Event__buffer__t.html">L4Re::Event_buffer_t&lt;PAYLOAD&gt;</a> &amp;<a class="code hl_function" href="classL4Re_1_1Util_1_1Event__t.html#a8da1e793e7a666c4ec7380aedbf2aa70">buffer</a>() { <span class="keywordflow">return</span> _ev_buffer; }</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span></div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"><a class="line" href="classL4Re_1_1Util_1_1Event__t.html#a3b6818e2f973bf491ad4ca1bab530952"> 155</a></span> <a class="code hl_class" href="classL4_1_1Cap.html">L4::Cap&lt;L4::Triggerable&gt;</a> <a class="code hl_function" href="classL4Re_1_1Util_1_1Event__t.html#a3b6818e2f973bf491ad4ca1bab530952">irq</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _ev_irq.get(); }</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> </div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <a class="code hl_typedef" href="namespaceL4Re_1_1Util.html#a0efccd325a19246334922e58dd973914">Unique_cap&lt;L4Re::Dataspace&gt;</a> _ev_ds;</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <a class="code hl_typedef" href="namespaceL4Re_1_1Util.html#a13a4df2df2fdffc06880b49fb10b0c74">Unique_del_cap&lt;L4::Triggerable&gt;</a> _ev_irq;</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> <a class="code hl_class" href="classL4Re_1_1Event__buffer__t.html">L4Re::Event_buffer_t&lt;PAYLOAD&gt;</a> _ev_buffer;</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> <a class="code hl_class" href="classL4Re_1_1Rm_1_1Unique__region.html">Rm::Unique_region&lt;void*&gt;</a> _buf;</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span>};</div>
</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> </div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span><span class="keyword">typedef</span> Event_t&lt;Default_event_payload&gt; <a class="code hl_class" href="classL4Re_1_1Event.html">Event</a>;</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> </div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span>}}</div>
<div class="ttc" id="acap__alloc_html"><div class="ttname"><a href="cap__alloc.html">cap_alloc</a></div><div class="ttdoc">Abstract capability-allocator interface.</div></div>
<div class="ttc" id="aclassL4Re_1_1Cap__alloc_html"><div class="ttname"><a href="classL4Re_1_1Cap__alloc.html">L4Re::Cap_alloc</a></div><div class="ttdoc">Capability allocator interface.</div><div class="ttdef"><b>Definition</b> <a href="cap__alloc_source.html#l00030">cap_alloc:31</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Dataspace_html"><div class="ttname"><a href="classL4Re_1_1Dataspace.html">L4Re::Dataspace</a></div><div class="ttdoc">Interface for memory-like objects.</div><div class="ttdef"><b>Definition</b> <a href="dataspace_source.html#l00050">dataspace:53</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Env_html"><div class="ttname"><a href="classL4Re_1_1Env.html">L4Re::Env</a></div><div class="ttdoc">C++ interface of the initial environment that is provided to an L4 task.</div><div class="ttdef"><b>Definition</b> <a href="env_source.html#l00078">env:79</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Env_html_a2706ca11e70845b0a29a5646c9fd54bc"><div class="ttname"><a href="classL4Re_1_1Env.html#a2706ca11e70845b0a29a5646c9fd54bc">L4Re::Env::env</a></div><div class="ttdeci">static Env const * env() noexcept</div><div class="ttdoc">Returns the initial environment for the current task.</div><div class="ttdef"><b>Definition</b> <a href="env_source.html#l00096">env:96</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Event__buffer__t_html"><div class="ttname"><a href="classL4Re_1_1Event__buffer__t.html">L4Re::Event_buffer_t</a></div><div class="ttdoc">Event buffer class.</div><div class="ttdef"><b>Definition</b> <a href="event_source.html#l00246">event:247</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Event_html"><div class="ttname"><a href="classL4Re_1_1Event.html">L4Re::Event</a></div><div class="ttdoc">Event class.</div><div class="ttdef"><b>Definition</b> <a href="event_source.html#l00137">event:139</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Rm_1_1Unique__region_html"><div class="ttname"><a href="classL4Re_1_1Rm_1_1Unique__region.html">L4Re::Rm::Unique_region</a></div><div class="ttdoc">Unique region.</div><div class="ttdef"><b>Definition</b> <a href="rm_source.html#l00435">rm:436</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Rm_1_1Unique__region_html_a301d5bd597f8c1e3b98bc52659f13dbe"><div class="ttname"><a href="classL4Re_1_1Rm_1_1Unique__region.html#a301d5bd597f8c1e3b98bc52659f13dbe">L4Re::Rm::Unique_region::get</a></div><div class="ttdeci">T get() const noexcept</div><div class="ttdoc">Return the address.</div><div class="ttdef"><b>Definition</b> <a href="rm_source.html#l00509">rm:509</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Util_1_1Event__t_html"><div class="ttname"><a href="classL4Re_1_1Util_1_1Event__t.html">L4Re::Util::Event_t</a></div><div class="ttdoc">Convenience wrapper for getting access to an event object.</div><div class="ttdef"><b>Definition</b> <a href="#l00032">event:33</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Util_1_1Event__t_html_a2eb9c33428c28a653b050b159f3d1733"><div class="ttname"><a href="classL4Re_1_1Util_1_1Event__t.html#a2eb9c33428c28a653b050b159f3d1733">L4Re::Util::Event_t::init_poll</a></div><div class="ttdeci">int init_poll(L4::Cap&lt; L4Re::Event &gt; event, L4Re::Env const *env=L4Re::Env::env(), L4Re::Cap_alloc *ca=&amp;L4Re::Util::cap_alloc)</div><div class="ttdoc">Initialise an event object in polling mode.</div><div class="ttdef"><b>Definition</b> <a href="#l00112">event:112</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Util_1_1Event__t_html_a3b6818e2f973bf491ad4ca1bab530952"><div class="ttname"><a href="classL4Re_1_1Util_1_1Event__t.html#a3b6818e2f973bf491ad4ca1bab530952">L4Re::Util::Event_t::irq</a></div><div class="ttdeci">L4::Cap&lt; L4::Triggerable &gt; irq() const</div><div class="ttdoc">Get event IRQ.</div><div class="ttdef"><b>Definition</b> <a href="#l00155">event:155</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Util_1_1Event__t_html_a6bcd7eb150f0375e543f1247afc4e4a4"><div class="ttname"><a href="classL4Re_1_1Util_1_1Event__t.html#a6bcd7eb150f0375e543f1247afc4e4a4">L4Re::Util::Event_t::init</a></div><div class="ttdeci">int init(L4::Cap&lt; L4Re::Event &gt; event, L4Re::Env const *env=L4Re::Env::env(), L4Re::Cap_alloc *ca=&amp;L4Re::Util::cap_alloc)</div><div class="ttdoc">Initialise an event object.</div><div class="ttdef"><b>Definition</b> <a href="#l00059">event:59</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Util_1_1Event__t_html_a8135ac33e061c5ee03a95bc2b1a2e4af"><div class="ttname"><a href="classL4Re_1_1Util_1_1Event__t.html#a8135ac33e061c5ee03a95bc2b1a2e4af">L4Re::Util::Event_t::Mode</a></div><div class="ttdeci">Mode</div><div class="ttdoc">Modes of operation.</div><div class="ttdef"><b>Definition</b> <a href="#l00038">event:39</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Util_1_1Event__t_html_a8135ac33e061c5ee03a95bc2b1a2e4afa36b4ece428429fc370c014725cd590c9"><div class="ttname"><a href="classL4Re_1_1Util_1_1Event__t.html#a8135ac33e061c5ee03a95bc2b1a2e4afa36b4ece428429fc370c014725cd590c9">L4Re::Util::Event_t&lt; Default_event_payload &gt;::Mode_irq</a></div><div class="ttdeci">@ Mode_irq</div><div class="ttdef"><b>Definition</b> <a href="#l00040">event:40</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Util_1_1Event__t_html_a8135ac33e061c5ee03a95bc2b1a2e4afa3d9dd15594fc68b159ad5905eb333fa9"><div class="ttname"><a href="classL4Re_1_1Util_1_1Event__t.html#a8135ac33e061c5ee03a95bc2b1a2e4afa3d9dd15594fc68b159ad5905eb333fa9">L4Re::Util::Event_t&lt; Default_event_payload &gt;::Mode_polling</a></div><div class="ttdeci">@ Mode_polling</div><div class="ttdef"><b>Definition</b> <a href="#l00041">event:41</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Util_1_1Event__t_html_a8da1e793e7a666c4ec7380aedbf2aa70"><div class="ttname"><a href="classL4Re_1_1Util_1_1Event__t.html#a8da1e793e7a666c4ec7380aedbf2aa70">L4Re::Util::Event_t::buffer</a></div><div class="ttdeci">L4Re::Event_buffer_t&lt; PAYLOAD &gt; &amp; buffer()</div><div class="ttdoc">Get event buffer.</div><div class="ttdef"><b>Definition</b> <a href="#l00148">event:148</a></div></div>
<div class="ttc" id="aclassL4_1_1Cap__base_html_ab4937bb12579c752564f7250760d0bda"><div class="ttname"><a href="classL4_1_1Cap__base.html#ab4937bb12579c752564f7250760d0bda">L4::Cap_base::is_valid</a></div><div class="ttdeci">bool is_valid() const noexcept</div><div class="ttdoc">Test whether the capability is a valid capability index (i.e., not L4_INVALID_CAP).</div><div class="ttdef"><b>Definition</b> <a href="capability_8h_source.html#l00057">capability.h:57</a></div></div>
<div class="ttc" id="aclassL4_1_1Cap_html"><div class="ttname"><a href="classL4_1_1Cap.html">L4::Cap</a></div><div class="ttdoc">C++ interface for capabilities.</div><div class="ttdef"><b>Definition</b> <a href="capability_8h_source.html#l00223">capability.h:224</a></div></div>
<div class="ttc" id="aenv_html"><div class="ttname"><a href="env.html">env</a></div><div class="ttdoc">Environment interface.</div></div>
<div class="ttc" id="afactory_html"><div class="ttname"><a href="factory.html">factory</a></div><div class="ttdoc">Common factory related definitions.</div></div>
<div class="ttc" id="agroup__l4__error__api_html_ggab4c8abc71ffa221a25c1ca5840a354f9af7f5d38973fbf298613b03a088541e27"><div class="ttname"><a href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9af7f5d38973fbf298613b03a088541e27">L4_ENOMEM</a></div><div class="ttdeci">@ L4_ENOMEM</div><div class="ttdoc">No memory.</div><div class="ttdef"><b>Definition</b> <a href="err_8h_source.html#l00039">err.h:39</a></div></div>
<div class="ttc" id="agroup__l4__ipc__err__api_html_ga05c11e3e10b6c2aa941396ac2018899f"><div class="ttname"><a href="group__l4__ipc__err__api.html#ga05c11e3e10b6c2aa941396ac2018899f">l4_error</a></div><div class="ttdeci">long l4_error(l4_msgtag_t tag) L4_NOTHROW</div><div class="ttdoc">Get IPC error code if any or message tag label otherwise for an IPC call.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2ipc_8h_source.html#l00646">ipc.h:646</a></div></div>
<div class="ttc" id="agroup__l4re__cap__api_html_ga29e3dbeb3c8ed0609519c9df212c9c52"><div class="ttname"><a href="group__l4re__cap__api.html#ga29e3dbeb3c8ed0609519c9df212c9c52">L4Re::Util::cap_alloc</a></div><div class="ttdeci">_Cap_alloc &amp; cap_alloc</div><div class="ttdoc">Capability allocator.</div></div>
<div class="ttc" id="anamespaceL4Re_1_1Util_html"><div class="ttname"><a href="namespaceL4Re_1_1Util.html">L4Re::Util</a></div><div class="ttdoc">Documentation of the L4 Runtime Environment utility functionality in C++.</div><div class="ttdef"><b>Definition</b> <a href="pkg_2l4re-core_2l4re_2doc_2l4re_8dox_source.html#l00021">l4re.dox:21</a></div></div>
<div class="ttc" id="anamespaceL4Re_1_1Util_html_a0efccd325a19246334922e58dd973914"><div class="ttname"><a href="namespaceL4Re_1_1Util.html#a0efccd325a19246334922e58dd973914">L4Re::Util::Unique_cap</a></div><div class="ttdeci">L4::Detail::Unique_cap_impl&lt; T, Smart_cap_auto&lt; L4_FP_ALL_SPACES &gt; &gt; Unique_cap</div><div class="ttdoc">Unique capability that implements automatic free and unmap of the capability selector.</div><div class="ttdef"><b>Definition</b> <a href="util_2unique__cap_source.html#l00043">unique_cap:43</a></div></div>
<div class="ttc" id="anamespaceL4Re_1_1Util_html_a13a4df2df2fdffc06880b49fb10b0c74"><div class="ttname"><a href="namespaceL4Re_1_1Util.html#a13a4df2df2fdffc06880b49fb10b0c74">L4Re::Util::Unique_del_cap</a></div><div class="ttdeci">L4::Detail::Unique_cap_impl&lt; T, Smart_cap_auto&lt; L4_FP_DELETE_OBJ &gt; &gt; Unique_del_cap</div><div class="ttdoc">Unique capability that implements automatic free and unmap+delete of the capability selector.</div><div class="ttdef"><b>Definition</b> <a href="util_2unique__cap_source.html#l00086">unique_cap:86</a></div></div>
<div class="ttc" id="anamespaceL4Re_html"><div class="ttname"><a href="namespaceL4Re.html">L4Re</a></div><div class="ttdoc">L4Re C++ Interfaces.</div><div class="ttdef"><b>Definition</b> <a href="cmd__control_source.html#l00014">cmd_control:14</a></div></div>
<div class="ttc" id="anamespaceL4_1_1Ipc_html_aa6b9422f850eb175240c9d18c5cc708c"><div class="ttname"><a href="namespaceL4_1_1Ipc.html#aa6b9422f850eb175240c9d18c5cc708c">L4::Ipc::make_cap_rw</a></div><div class="ttdeci">Cap&lt; T &gt; make_cap_rw(L4::Cap&lt; T &gt; cap) noexcept</div><div class="ttdoc">Make an L4::Ipc::Cap&lt;T&gt; for the given capability with L4_CAP_FPAGE_RW rights.</div><div class="ttdef"><b>Definition</b> <a href="ipc__types_source.html#l00795">ipc_types:795</a></div></div>
<div class="ttc" id="arm_html"><div class="ttname"><a href="rm.html">rm</a></div><div class="ttdoc">Region mapper interface.</div></div>
<div class="ttc" id="astructL4Re_1_1Rm_1_1F_html_a9707a14d822d3f60aa6a97cb16b2a989a579e389b46e438a64f3f44d9cf19f26a"><div class="ttname"><a href="structL4Re_1_1Rm_1_1F.html#a9707a14d822d3f60aa6a97cb16b2a989a579e389b46e438a64f3f44d9cf19f26a">L4Re::Rm::F::RW</a></div><div class="ttdeci">@ RW</div><div class="ttdoc">Readable and writable region.</div><div class="ttdef"><b>Definition</b> <a href="rm_source.html#l00139">rm:139</a></div></div>
<div class="ttc" id="astructL4Re_1_1Rm_1_1F_html_adec4d26077e34d9586891ac0489e0041a067b0bc28378717b6962241c621caa0a"><div class="ttname"><a href="structL4Re_1_1Rm_1_1F.html#adec4d26077e34d9586891ac0489e0041a067b0bc28378717b6962241c621caa0a">L4Re::Rm::F::Search_addr</a></div><div class="ttdeci">@ Search_addr</div><div class="ttdoc">Search for a suitable address range.</div><div class="ttdef"><b>Definition</b> <a href="rm_source.html#l00114">rm:114</a></div></div>
<div class="ttc" id="autil_2cap__alloc_html"><div class="ttname"><a href="util_2cap__alloc.html">cap_alloc</a></div><div class="ttdoc">Capability allocator.</div></div>
<div class="ttc" id="autil_2unique__cap_html"><div class="ttname"><a href="util_2unique__cap.html">unique_cap</a></div><div class="ttdoc">Unique_cap / Unique_del_cap.</div></div>
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