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| <div class="title">abort.hpp</div> </div> |
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| <a href="abort_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div> |
| <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// You may obtain a copy of the License at</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// See the License for the specific language governing permissions and</span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// limitations under the License.</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#ifndef __STOUT_ABORT_HPP__</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor"></span><span class="preprocessor">#define __STOUT_ABORT_HPP__</span></div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <errno.h></span></div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <stdio.h></span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <stdlib.h></span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <string.h></span></div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#ifdef __WINDOWS__</span></div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor"></span><span class="preprocessor">#include <<a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html">stout/windows.hpp</a>></span></div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#else</span></div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span><span class="preprocessor">#include <unistd.h></span></div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#endif // __WINDOWS__</span></div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <string></span></div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <<a class="code" href="3rdparty_2stout_2include_2stout_2attributes_8hpp.html">stout/attributes.hpp</a>></span></div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// NOTE: These macros are already defined in Visual Studio (Windows) headers.</span></div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#ifndef __WINDOWS__</span></div> |
| <div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="abort_8hpp.html#ab0b32631490688278c58f78c27d553cf"> 33</a></span> <span class="preprocessor"></span><span class="preprocessor">#define __STRINGIZE(x) #x</span></div> |
| <div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="abort_8hpp.html#ac3389a8a48dd2f121758d265c2809cdb"> 34</a></span> <span class="preprocessor"></span><span class="preprocessor">#define _STRINGIZE(x) __STRINGIZE(x)</span></div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor"></span><span class="preprocessor">#endif // __WINDOWS__</span></div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">// Signal safe abort which prints a message.</span></div> |
| <div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="abort_8hpp.html#a1a9c2ee866f7641b42ba2a985e5a3707"> 38</a></span> <span class="preprocessor">#define _ABORT_PREFIX "ABORT: (" __FILE__ ":" _STRINGIZE(__LINE__) "): "</span></div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="abort_8hpp.html#a4d84a74fe6e4f84bc3d2f901b9e89f93"> 40</a></span> <span class="preprocessor">#define ABORT(...) _Abort(_ABORT_PREFIX, __VA_ARGS__)</span></div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div> |
| <div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="abort_8hpp.html#a68192f16dd111e07a5033be6ba5c6f94"> 43</a></span> <span class="keyword">inline</span> <a class="code" href="3rdparty_2stout_2include_2stout_2attributes_8hpp.html#aa1728270d73c5d1598de1fd691762eb1">NORETURN</a> <span class="keywordtype">void</span> <a class="code" href="abort_8hpp.html#a68192f16dd111e07a5033be6ba5c6f94">_Abort</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code" href="namespaceos_1_1libraries_1_1Library.html#ab0e1a0e311049b6d685de1068e8f4690">prefix</a>, <span class="keyword">const</span> <span class="keywordtype">char</span>* message)</div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> {</div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="comment">// NOTE: On Windows, `_write` takes an `unsigned int`, not `size_t`. We</span></div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="comment">// preform an explicit type conversion here to silence the warning. `strlen`</span></div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="comment">// always returns a positive result, which means it is safe to cast it to an</span></div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="comment">// unsigned value.</span></div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#ifndef __WINDOWS__</span></div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor"></span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> prefix_len = strlen(prefix);</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> message_len = strlen(message);</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#else</span></div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor"></span> <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> prefix_len = <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">int</span><span class="keyword">></span>(strlen(prefix));</div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> message_len = <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">int</span><span class="keyword">></span>(strlen(message));</div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#endif // !__WINDOWS__</span></div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="comment">// Write the failure message in an async-signal safe manner,</span></div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="comment">// assuming strlen is async-signal safe or optimized out.</span></div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="comment">// In fact, it is highly unlikely that strlen would be</span></div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="comment">// implemented in an unsafe manner:</span></div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="comment">// http://austingroupbugs.net/view.php?id=692</span></div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">while</span> (::<a class="code" href="namespacemesos_1_1internal_1_1log_1_1protocol.html#a66ff2d5af4db53227f787281c0765d8d">write</a>(<a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ae2fe1725bb5e9823d089c46b9ed5266e">STDERR_FILENO</a>, prefix, prefix_len) == -1 &&</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  errno == EINTR);</div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">while</span> (message != <span class="keyword">nullptr</span> &&</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  ::<a class="code" href="namespacemesos_1_1internal_1_1log_1_1protocol.html#a66ff2d5af4db53227f787281c0765d8d">write</a>(<a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ae2fe1725bb5e9823d089c46b9ed5266e">STDERR_FILENO</a>, message, message_len) == -1 &&</div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  errno == EINTR);</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="comment">// NOTE: Since `1` can be interpreted as either an `unsigned int` or a</span></div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">// `size_t`, removing the `static_cast` here makes this call ambiguous</span></div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="comment">// between the `write` in windows.hpp and the (deprecated) `write` in the</span></div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="comment">// Windows CRT headers.</span></div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">while</span> (::<a class="code" href="namespacemesos_1_1internal_1_1log_1_1protocol.html#a66ff2d5af4db53227f787281c0765d8d">write</a>(<a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ae2fe1725bb5e9823d089c46b9ed5266e">STDERR_FILENO</a>, <span class="stringliteral">"\n"</span>, static_cast<size_t>(1)) == -1 &&</div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  errno == EINTR);</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  abort();</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span> }</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div> |
| <div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="abort_8hpp.html#a457890827a8d73811ef519dcc2e4bfa3"> 78</a></span> <span class="keyword">inline</span> <a class="code" href="3rdparty_2stout_2include_2stout_2attributes_8hpp.html#aa1728270d73c5d1598de1fd691762eb1">NORETURN</a> <span class="keywordtype">void</span> <a class="code" href="abort_8hpp.html#a68192f16dd111e07a5033be6ba5c6f94">_Abort</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code" href="namespaceos_1_1libraries_1_1Library.html#ab0e1a0e311049b6d685de1068e8f4690">prefix</a>, <span class="keyword">const</span> std::string& message)</div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span> {</div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <a class="code" href="abort_8hpp.html#a68192f16dd111e07a5033be6ba5c6f94">_Abort</a>(prefix, message.c_str());</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span> }</div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div> |
| <div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="preprocessor">#endif // __STOUT_ABORT_HPP__</span></div> |
| <div class="ttc" id="namespaceos_1_1libraries_1_1Library_html_ab0e1a0e311049b6d685de1068e8f4690"><div class="ttname"><a href="namespaceos_1_1libraries_1_1Library.html#ab0e1a0e311049b6d685de1068e8f4690">os::libraries::Library::prefix</a></div><div class="ttdeci">constexpr const char * prefix</div><div class="ttdef"><b>Definition:</b> os.hpp:94</div></div> |
| <div class="ttc" id="3rdparty_2stout_2include_2stout_2windows_8hpp_html"><div class="ttname"><a href="3rdparty_2stout_2include_2stout_2windows_8hpp.html">windows.hpp</a></div></div> |
| <div class="ttc" id="3rdparty_2stout_2include_2stout_2windows_8hpp_html_ae2fe1725bb5e9823d089c46b9ed5266e"><div class="ttname"><a href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#ae2fe1725bb5e9823d089c46b9ed5266e">STDERR_FILENO</a></div><div class="ttdeci">#define STDERR_FILENO</div><div class="ttdef"><b>Definition:</b> windows.hpp:137</div></div> |
| <div class="ttc" id="3rdparty_2stout_2include_2stout_2attributes_8hpp_html"><div class="ttname"><a href="3rdparty_2stout_2include_2stout_2attributes_8hpp.html">attributes.hpp</a></div></div> |
| <div class="ttc" id="namespacemesos_1_1internal_1_1log_1_1protocol_html_a66ff2d5af4db53227f787281c0765d8d"><div class="ttname"><a href="namespacemesos_1_1internal_1_1log_1_1protocol.html#a66ff2d5af4db53227f787281c0765d8d">mesos::internal::log::protocol::write</a></div><div class="ttdeci">Protocol< WriteRequest, WriteResponse > write</div></div> |
| <div class="ttc" id="abort_8hpp_html_a68192f16dd111e07a5033be6ba5c6f94"><div class="ttname"><a href="abort_8hpp.html#a68192f16dd111e07a5033be6ba5c6f94">_Abort</a></div><div class="ttdeci">NORETURN void _Abort(const char *prefix, const char *message)</div><div class="ttdef"><b>Definition:</b> abort.hpp:43</div></div> |
| <div class="ttc" id="3rdparty_2stout_2include_2stout_2attributes_8hpp_html_aa1728270d73c5d1598de1fd691762eb1"><div class="ttname"><a href="3rdparty_2stout_2include_2stout_2attributes_8hpp.html#aa1728270d73c5d1598de1fd691762eb1">NORETURN</a></div><div class="ttdeci">#define NORETURN</div><div class="ttdef"><b>Definition:</b> attributes.hpp:20</div></div> |
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