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<a href="error__helper.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>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">/*</span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> * (c) 2008-2009 Adam Lackorzynski <adam@os.inf.tu-dresden.de>,</span></div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> * Alexander Warg <warg@os.inf.tu-dresden.de>,</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"> * Torsten Frenzel <frenzel@os.inf.tu-dresden.de></span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> * economic rights: Technische Universität Dresden (Germany)</span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> *</span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment"> * License: see LICENSE.spdx (in this directory or the directories above)</span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment"> */</span></div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#pragma once</span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include <<a class="code" href="l4_2sys_2types_8h.html">l4/sys/types.h</a>></span></div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include <<a class="code" href="exceptions.html">l4/cxx/exceptions</a>></span></div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include <l4/cxx/type_traits></span></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include <<a class="code" href="err_8h.html">l4/sys/err.h</a>></span></div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> </div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include <stdarg.h></span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include <stdio.h></span></div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceL4Re.html">L4Re</a> {</div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> </div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#ifdef __EXCEPTIONS</span></div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span></div>
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<div class="foldopen" id="foldopen00037" data-start="{" data-end="}">
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"><a class="line" href="namespaceL4Re.html#ae27ac6f274f4ad1267d0d1c0c033c00b"> 37</a></span>[[noreturn]] <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code hl_function" href="namespaceL4Re.html#ae27ac6f274f4ad1267d0d1c0c033c00b">throw_error</a>(<span class="keywordtype">long</span> err, <span class="keywordtype">char</span> <span class="keyword">const</span> *extra = <span class="stringliteral">""</span>)</div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span>{</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keywordflow">switch</span> (err)</div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> {</div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <span class="keywordflow">case</span> -<a class="code hl_enumvalue" href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9a07b47154e30565336b80271b9f2ffcb4">L4_ENOENT</a>: <span class="keywordflow">throw</span> (<a class="code hl_class" href="classL4_1_1Element__not__found.html">L4::Element_not_found</a>(extra));</div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="keywordflow">case</span> -<a class="code hl_enumvalue" href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9af7f5d38973fbf298613b03a088541e27">L4_ENOMEM</a>: <span class="keywordflow">throw</span> (<a class="code hl_class" href="classL4_1_1Out__of__memory.html">L4::Out_of_memory</a>(extra));</div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <span class="keywordflow">case</span> -<a class="code hl_enumvalue" href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9a0230b4251e0ab6c7bf80054fb55465bb">L4_EEXIST</a>: <span class="keywordflow">throw</span> (<a class="code hl_class" href="classL4_1_1Element__already__exists.html">L4::Element_already_exists</a>(extra));</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <span class="keywordflow">case</span> -<a class="code hl_enumvalue" href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9a226d93ada42b58951cfe40102ae169c8">L4_ERANGE</a>: <span class="keywordflow">throw</span> (<a class="code hl_class" href="classL4_1_1Bounds__error.html">L4::Bounds_error</a>(extra));</div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <span class="keywordflow">default</span>: <span class="keywordflow">throw</span> (<a class="code hl_class" href="classL4_1_1Runtime__error.html">L4::Runtime_error</a>(err, extra));</div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> }</div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span>}</div>
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</div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> </div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span>[[noreturn]] <span class="keyword">inline</span> <span class="keywordtype">void</span> throw_error_fmt(<span class="keywordtype">long</span> err, <span class="keywordtype">char</span> <span class="keyword">const</span> *<span class="keyword">const</span> fmt, ...)</div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> __attribute__((format(printf, 2, 3)));</div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span>[[noreturn]] inline <span class="keywordtype">void</span> throw_error_fmt(<span class="keywordtype">long</span> err, <span class="keywordtype">char</span> const *const fmt, ...)</div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span>{</div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keywordtype">char</span> extra[80];</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> va_list argp;</div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> va_start(argp, fmt);</div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> vsnprintf(extra, <span class="keyword">sizeof</span>(extra), fmt, argp);</div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> va_end(argp);</div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <a class="code hl_function" href="namespaceL4Re.html#ae27ac6f274f4ad1267d0d1c0c033c00b">throw_error</a>(err, extra);</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span>}</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span></div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span><span class="keyword">inline</span></div>
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<div class="foldopen" id="foldopen00072" data-start="{" data-end="}">
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"><a class="line" href="namespaceL4Re.html#a3f17984019f06676a7e3eecb41bbb0bb"> 72</a></span><span class="keywordtype">long</span> <a class="code hl_function" href="namespaceL4Re.html#a3f17984019f06676a7e3eecb41bbb0bb">chksys</a>(<span class="keywordtype">long</span> err, <span class="keywordtype">char</span> <span class="keyword">const</span> *extra = <span class="stringliteral">""</span>, <span class="keywordtype">long</span> ret = 0)</div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span>{</div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordflow">if</span> (<a class="code hl_define" href="group__l4sys__defines.html#ga3df4200910f2664b97397c23693beeb0">L4_UNLIKELY</a>(err < 0))</div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <a class="code hl_function" href="namespaceL4Re.html#ae27ac6f274f4ad1267d0d1c0c033c00b">throw_error</a>(ret ? ret : err, extra);</div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> </div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keywordflow">return</span> err;</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span>}</div>
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</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span></div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span><span class="keyword">inline</span></div>
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<div class="foldopen" id="foldopen00093" data-start="{" data-end="}">
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"><a class="line" href="namespaceL4Re.html#ae0dd5d25abdc1d195edd8ab6b744334c"> 93</a></span><span class="keywordtype">long</span> <a class="code hl_function" href="namespaceL4Re.html#a3f17984019f06676a7e3eecb41bbb0bb">chksys</a>(<a class="code hl_struct" href="structl4__msgtag__t.html">l4_msgtag_t</a> <span class="keyword">const</span> &t, <span class="keywordtype">char</span> <span class="keyword">const</span> *extra = <span class="stringliteral">""</span>,</div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <a class="code hl_typedef" href="group__l4__utcb__api.html#ga89be8a86d11c1d532b636cc2df1330fb">l4_utcb_t</a> *utcb = <a class="code hl_function" href="group__l4__utcb__api.html#gadc099b4a59e1d99638c72c11a8c8b644">l4_utcb</a>(), <span class="keywordtype">long</span> ret = 0)</div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span>{</div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keywordflow">if</span> (<a class="code hl_define" href="group__l4sys__defines.html#ga3df4200910f2664b97397c23693beeb0">L4_UNLIKELY</a>(t.<a class="code hl_function" href="structl4__msgtag__t.html#a433eb16b19202d09cc98b40a139b3c29">has_error</a>()))</div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <a class="code hl_function" href="namespaceL4Re.html#ae27ac6f274f4ad1267d0d1c0c033c00b">throw_error</a>(ret ? ret : l4_error_u(t, utcb), extra);</div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_define" href="group__l4sys__defines.html#ga3df4200910f2664b97397c23693beeb0">L4_UNLIKELY</a>(t.<a class="code hl_function" href="structl4__msgtag__t.html#a002076380a3f6e4f29a1f6b50ce2bde2">label</a>() < 0))</div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <a class="code hl_function" href="namespaceL4Re.html#ae27ac6f274f4ad1267d0d1c0c033c00b">throw_error</a>(ret ? ret: t.<a class="code hl_function" href="structl4__msgtag__t.html#a002076380a3f6e4f29a1f6b50ce2bde2">label</a>(), extra);</div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> </div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="keywordflow">return</span> t.<a class="code hl_function" href="structl4__msgtag__t.html#a002076380a3f6e4f29a1f6b50ce2bde2">label</a>();</div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span>}</div>
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</div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span></div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span><span class="keyword">inline</span></div>
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<div class="foldopen" id="foldopen00116" data-start="{" data-end="}">
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"><a class="line" href="namespaceL4Re.html#ad17a205e6270588606dd85399b0f9b6c"> 116</a></span><span class="keywordtype">long</span> <a class="code hl_function" href="namespaceL4Re.html#a3f17984019f06676a7e3eecb41bbb0bb">chksys</a>(<a class="code hl_struct" href="structl4__msgtag__t.html">l4_msgtag_t</a> <span class="keyword">const</span> &t, <a class="code hl_typedef" href="group__l4__utcb__api.html#ga89be8a86d11c1d532b636cc2df1330fb">l4_utcb_t</a> *utcb, <span class="keywordtype">char</span> <span class="keyword">const</span> *extra = <span class="stringliteral">""</span>)</div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span>{ <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceL4Re.html#a3f17984019f06676a7e3eecb41bbb0bb">chksys</a>(t, extra, utcb); }</div>
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</div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> </div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span><span class="preprocessor">#if 0</span></div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span><span class="keyword">inline</span></div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span><span class="keywordtype">long</span> <a class="code hl_function" href="namespaceL4Re.html#a3f17984019f06676a7e3eecb41bbb0bb">chksys</a>(<span class="keywordtype">long</span> ret, <span class="keywordtype">long</span> err, <span class="keywordtype">char</span> <span class="keyword">const</span> *extra = <span class="stringliteral">""</span>)</div>
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span>{</div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="keywordflow">if</span> (<a class="code hl_define" href="group__l4sys__defines.html#ga3df4200910f2664b97397c23693beeb0">L4_UNLIKELY</a>(ret < 0))</div>
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<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <a class="code hl_function" href="namespaceL4Re.html#ae27ac6f274f4ad1267d0d1c0c033c00b">throw_error</a>(err, extra);</div>
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<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> </div>
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<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keywordflow">return</span> ret;</div>
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<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span>}</div>
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span></div>
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<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span><span class="keyword">template</span><<span class="keyword">typename</span> T></div>
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<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span><span class="keyword">inline</span></div>
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<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span><span class="preprocessor">#if __cplusplus >= 201103L</span></div>
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<div class="foldopen" id="foldopen00149" data-start="{" data-end="}">
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<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"><a class="line" href="namespaceL4Re.html#a64b057254a760643ba67a9ed452fede8"> 149</a></span>T <a class="code hl_function" href="namespaceL4Re.html#a64b057254a760643ba67a9ed452fede8">chkcap</a>(T &&cap, <span class="keywordtype">char</span> <span class="keyword">const</span> *extra = <span class="stringliteral">""</span>, <span class="keywordtype">long</span> err = -<a class="code hl_enumvalue" href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9af7f5d38973fbf298613b03a088541e27">L4_ENOMEM</a>)</div>
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<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span><span class="preprocessor">#else</span></div>
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<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span>T <a class="code hl_function" href="namespaceL4Re.html#a64b057254a760643ba67a9ed452fede8">chkcap</a>(T cap, <span class="keywordtype">char</span> <span class="keyword">const</span> *extra = <span class="stringliteral">""</span>, <span class="keywordtype">long</span> err = -<a class="code hl_enumvalue" href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9af7f5d38973fbf298613b03a088541e27">L4_ENOMEM</a>)</div>
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<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span>{</div>
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<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <span class="keywordflow">if</span> (<a class="code hl_define" href="group__l4sys__defines.html#ga3df4200910f2664b97397c23693beeb0">L4_UNLIKELY</a>(!cap.is_valid()))</div>
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<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <a class="code hl_function" href="namespaceL4Re.html#ae27ac6f274f4ad1267d0d1c0c033c00b">throw_error</a>(err ? err : cap.invalid_cap_error(), extra);</div>
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<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> </div>
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<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span><span class="preprocessor">#if __cplusplus >= 201103L</span></div>
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<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <span class="keywordflow">return</span> cxx::forward<T>(cap);</div>
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<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span><span class="preprocessor">#else</span></div>
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<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> <span class="keywordflow">return</span> cap;</div>
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<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span>}</div>
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</div>
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<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span></div>
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<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span><span class="keyword">inline</span></div>
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<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span><a class="code hl_struct" href="structl4__msgtag__t.html">l4_msgtag_t</a></div>
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<div class="foldopen" id="foldopen00180" data-start="{" data-end="}">
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<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"><a class="line" href="namespaceL4Re.html#ae21329b88c6ffc4917048e8d9564ea99"> 180</a></span><a class="code hl_function" href="namespaceL4Re.html#ae21329b88c6ffc4917048e8d9564ea99">chkipc</a>(<a class="code hl_struct" href="structl4__msgtag__t.html">l4_msgtag_t</a> tag, <span class="keywordtype">char</span> <span class="keyword">const</span> *extra = <span class="stringliteral">""</span>,</div>
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<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <a class="code hl_typedef" href="group__l4__utcb__api.html#ga89be8a86d11c1d532b636cc2df1330fb">l4_utcb_t</a> *utcb = <a class="code hl_function" href="group__l4__utcb__api.html#gadc099b4a59e1d99638c72c11a8c8b644">l4_utcb</a>())</div>
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<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span>{</div>
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<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <span class="keywordflow">if</span> (<a class="code hl_define" href="group__l4sys__defines.html#ga3df4200910f2664b97397c23693beeb0">L4_UNLIKELY</a>(tag.<a class="code hl_function" href="structl4__msgtag__t.html#a433eb16b19202d09cc98b40a139b3c29">has_error</a>()))</div>
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<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <a class="code hl_function" href="namespaceL4Re.html#a3f17984019f06676a7e3eecb41bbb0bb">chksys</a>(l4_error_u(tag, utcb), extra);</div>
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<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> </div>
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<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <span class="keywordflow">return</span> tag;</div>
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<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span>}</div>
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</div>
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<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> </div>
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<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span>}</div>
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<div class="ttc" id="aclassL4_1_1Bounds__error_html"><div class="ttname"><a href="classL4_1_1Bounds__error.html">L4::Bounds_error</a></div><div class="ttdoc">Access out of bounds.</div><div class="ttdef"><b>Definition</b> <a href="exceptions_source.html#l00278">exceptions:279</a></div></div>
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<div class="ttc" id="aclassL4_1_1Element__already__exists_html"><div class="ttname"><a href="classL4_1_1Element__already__exists.html">L4::Element_already_exists</a></div><div class="ttdoc">Exception for duplicate element insertions.</div><div class="ttdef"><b>Definition</b> <a href="exceptions_source.html#l00192">exceptions:193</a></div></div>
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<div class="ttc" id="aclassL4_1_1Element__not__found_html"><div class="ttname"><a href="classL4_1_1Element__not__found.html">L4::Element_not_found</a></div><div class="ttdoc">Exception for a failed lookup (element not found).</div><div class="ttdef"><b>Definition</b> <a href="exceptions_source.html#l00220">exceptions:221</a></div></div>
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<div class="ttc" id="aclassL4_1_1Out__of__memory_html"><div class="ttname"><a href="classL4_1_1Out__of__memory.html">L4::Out_of_memory</a></div><div class="ttdoc">Exception signalling insufficient memory.</div><div class="ttdef"><b>Definition</b> <a href="exceptions_source.html#l00177">exceptions:178</a></div></div>
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<div class="ttc" id="aclassL4_1_1Runtime__error_html"><div class="ttname"><a href="classL4_1_1Runtime__error.html">L4::Runtime_error</a></div><div class="ttdoc">Exception for an abstract runtime error.</div><div class="ttdef"><b>Definition</b> <a href="exceptions_source.html#l00128">exceptions:129</a></div></div>
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<div class="ttc" id="aerr_8h_html"><div class="ttname"><a href="err_8h.html">err.h</a></div><div class="ttdoc">Error codes.</div></div>
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<div class="ttc" id="aexceptions_html"><div class="ttname"><a href="exceptions.html">exceptions</a></div><div class="ttdoc">Base exceptions.</div></div>
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<div class="ttc" id="agroup__l4__error__api_html_ggab4c8abc71ffa221a25c1ca5840a354f9a0230b4251e0ab6c7bf80054fb55465bb"><div class="ttname"><a href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9a0230b4251e0ab6c7bf80054fb55465bb">L4_EEXIST</a></div><div class="ttdeci">@ L4_EEXIST</div><div class="ttdoc">Already exists.</div><div class="ttdef"><b>Definition</b> <a href="err_8h_source.html#l00043">err.h:43</a></div></div>
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<div class="ttc" id="agroup__l4__error__api_html_ggab4c8abc71ffa221a25c1ca5840a354f9a07b47154e30565336b80271b9f2ffcb4"><div class="ttname"><a href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9a07b47154e30565336b80271b9f2ffcb4">L4_ENOENT</a></div><div class="ttdeci">@ L4_ENOENT</div><div class="ttdoc">No such entity.</div><div class="ttdef"><b>Definition</b> <a href="err_8h_source.html#l00034">err.h:34</a></div></div>
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<div class="ttc" id="agroup__l4__error__api_html_ggab4c8abc71ffa221a25c1ca5840a354f9a226d93ada42b58951cfe40102ae169c8"><div class="ttname"><a href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9a226d93ada42b58951cfe40102ae169c8">L4_ERANGE</a></div><div class="ttdeci">@ L4_ERANGE</div><div class="ttdoc">Range error.</div><div class="ttdef"><b>Definition</b> <a href="err_8h_source.html#l00048">err.h:48</a></div></div>
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<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>
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<div class="ttc" id="agroup__l4__utcb__api_html_ga89be8a86d11c1d532b636cc2df1330fb"><div class="ttname"><a href="group__l4__utcb__api.html#ga89be8a86d11c1d532b636cc2df1330fb">l4_utcb_t</a></div><div class="ttdeci">struct l4_utcb_t l4_utcb_t</div><div class="ttdoc">Opaque type for the UTCB.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2utcb_8h_source.html#l00056">utcb.h:56</a></div></div>
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<div class="ttc" id="agroup__l4__utcb__api_html_gadc099b4a59e1d99638c72c11a8c8b644"><div class="ttname"><a href="group__l4__utcb__api.html#gadc099b4a59e1d99638c72c11a8c8b644">l4_utcb</a></div><div class="ttdeci">l4_utcb_t * l4_utcb(void) L4_NOTHROW L4_PURE</div><div class="ttdoc">Get the UTCB address.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2utcb_8h_source.html#l00346">utcb.h:346</a></div></div>
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<div class="ttc" id="agroup__l4sys__defines_html_ga3df4200910f2664b97397c23693beeb0"><div class="ttname"><a href="group__l4sys__defines.html#ga3df4200910f2664b97397c23693beeb0">L4_UNLIKELY</a></div><div class="ttdeci">#define L4_UNLIKELY(x)</div><div class="ttdoc">Expression is unlikely to execute.</div><div class="ttdef"><b>Definition</b> <a href="compiler_8h_source.html#l00284">compiler.h:284</a></div></div>
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<div class="ttc" id="al4_2sys_2types_8h_html"><div class="ttname"><a href="l4_2sys_2types_8h.html">types.h</a></div><div class="ttdoc">Common L4 ABI Data Types.</div></div>
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<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>
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<div class="ttc" id="anamespaceL4Re_html_a3f17984019f06676a7e3eecb41bbb0bb"><div class="ttname"><a href="namespaceL4Re.html#a3f17984019f06676a7e3eecb41bbb0bb">L4Re::chksys</a></div><div class="ttdeci">long chksys(long err, char const *extra="", long ret=0)</div><div class="ttdoc">Generate C++ exception on error.</div><div class="ttdef"><b>Definition</b> <a href="#l00072">error_helper:72</a></div></div>
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<div class="ttc" id="anamespaceL4Re_html_a64b057254a760643ba67a9ed452fede8"><div class="ttname"><a href="namespaceL4Re.html#a64b057254a760643ba67a9ed452fede8">L4Re::chkcap</a></div><div class="ttdeci">T chkcap(T &&cap, char const *extra="", long err=-L4_ENOMEM)</div><div class="ttdoc">Check for valid capability or raise C++ exception.</div><div class="ttdef"><b>Definition</b> <a href="#l00149">error_helper:149</a></div></div>
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<div class="ttc" id="anamespaceL4Re_html_ae21329b88c6ffc4917048e8d9564ea99"><div class="ttname"><a href="namespaceL4Re.html#ae21329b88c6ffc4917048e8d9564ea99">L4Re::chkipc</a></div><div class="ttdeci">l4_msgtag_t chkipc(l4_msgtag_t tag, char const *extra="", l4_utcb_t *utcb=l4_utcb())</div><div class="ttdoc">Test a message tag for IPC errors.</div><div class="ttdef"><b>Definition</b> <a href="#l00180">error_helper:180</a></div></div>
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<div class="ttc" id="anamespaceL4Re_html_ae27ac6f274f4ad1267d0d1c0c033c00b"><div class="ttname"><a href="namespaceL4Re.html#ae27ac6f274f4ad1267d0d1c0c033c00b">L4Re::throw_error</a></div><div class="ttdeci">void throw_error(long err, char const *extra="")</div><div class="ttdoc">Generate C++ exception.</div><div class="ttdef"><b>Definition</b> <a href="#l00037">error_helper:37</a></div></div>
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<div class="ttc" id="astructl4__msgtag__t_html"><div class="ttname"><a href="structl4__msgtag__t.html">l4_msgtag_t</a></div><div class="ttdoc">Message tag data structure.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2types_8h_source.html#l00153">types.h:154</a></div></div>
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<div class="ttc" id="astructl4__msgtag__t_html_a002076380a3f6e4f29a1f6b50ce2bde2"><div class="ttname"><a href="structl4__msgtag__t.html#a002076380a3f6e4f29a1f6b50ce2bde2">l4_msgtag_t::label</a></div><div class="ttdeci">long label() const L4_NOTHROW</div><div class="ttdoc">Get the protocol value.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2types_8h_source.html#l00158">types.h:158</a></div></div>
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<div class="ttc" id="astructl4__msgtag__t_html_a433eb16b19202d09cc98b40a139b3c29"><div class="ttname"><a href="structl4__msgtag__t.html#a433eb16b19202d09cc98b40a139b3c29">l4_msgtag_t::has_error</a></div><div class="ttdeci">bool has_error() const L4_NOTHROW</div><div class="ttdoc">Test if flags indicate an error.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2types_8h_source.html#l00191">types.h:191</a></div></div>
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