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<a href="MutexLock_8h.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">/*---------------------------------------------------------------------\</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">| ____ _ __ __ ___ |</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">| |__ / \ / / . \ . \ |</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">| / / \ V /| _/ _/ |</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">| / /__ | | | | | | |</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">| |</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">\---------------------------------------------------------------------*/</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#ifndef ZYPP_THREAD_MUTEXLOCK_H</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#define ZYPP_THREAD_MUTEXLOCK_H</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "<a class="code" href="Mutex_8h.html">zypp/thread/Mutex.h</a>"</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <cassert></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">namespace </span><a class="code" href="namespacezypp.html">zypp</a></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> { </div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <span class="keyword">namespace </span>thread</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  { </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="comment">// -------------------------------------------------------------</span></div><div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="classzypp_1_1thread_1_1MutexLock.html"> 28</a></span>  <span class="keyword">class </span><a class="code" href="classzypp_1_1thread_1_1MutexLock.html">MutexLock</a></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  {</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="classzypp_1_1thread_1_1MutexLock.html#a6323a5dcf128e185788cbce3f167a80b"> 31</a></span>  <span class="keyword">explicit</span> <a class="code" href="classzypp_1_1thread_1_1MutexLock.html#a6323a5dcf128e185788cbce3f167a80b">MutexLock</a>(<a class="code" href="classzypp_1_1thread_1_1Mutex.html">Mutex</a> &mutex, <span class="keywordtype">bool</span> init_locked=<span class="keyword">true</span>)</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  : <a class="code" href="classzypp_1_1thread_1_1MutexLock.html#a51a35909785d083ab55d60221f9cc638">m_mutex</a>(&mutex)</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  , <a class="code" href="classzypp_1_1thread_1_1MutexLock.html#a206c6580b81f8d6e9b1720230d66e7c8">m_locked</a>(false)</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  {</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordflow">if</span>(init_locked)</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <a class="code" href="classzypp_1_1thread_1_1MutexLock.html#a70cc3654e1cb4069a87b6515df20a671">lock</a>();</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  }</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="classzypp_1_1thread_1_1MutexLock.html#a8e49afdf16c08265221c1361dbfacbcb"> 39</a></span>  <a class="code" href="classzypp_1_1thread_1_1MutexLock.html#a8e49afdf16c08265221c1361dbfacbcb">MutexLock</a>(<span class="keyword">const</span> <a class="code" href="classzypp_1_1thread_1_1MutexLock.html">MutexLock</a> &ref)</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  : <a class="code" href="classzypp_1_1thread_1_1MutexLock.html#a51a35909785d083ab55d60221f9cc638">m_mutex</a>( ref.<a class="code" href="classzypp_1_1thread_1_1MutexLock.html#a51a35909785d083ab55d60221f9cc638">m_mutex</a>)</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  , <a class="code" href="classzypp_1_1thread_1_1MutexLock.html#a206c6580b81f8d6e9b1720230d66e7c8">m_locked</a>(ref.<a class="code" href="classzypp_1_1thread_1_1MutexLock.html#a206c6580b81f8d6e9b1720230d66e7c8">m_locked</a>)</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  {</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  ref.<a class="code" href="classzypp_1_1thread_1_1MutexLock.html#a206c6580b81f8d6e9b1720230d66e7c8">m_locked</a> = <span class="keyword">false</span>;</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> </div><div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="classzypp_1_1thread_1_1MutexLock.html#a71a1aefa752ab8e15ec83f3ff86e0aab"> 46</a></span>  <a class="code" href="classzypp_1_1thread_1_1MutexLock.html#a71a1aefa752ab8e15ec83f3ff86e0aab">~MutexLock</a>()</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  {</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">try</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  {</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">if</span>( <a class="code" href="classzypp_1_1thread_1_1MutexLock.html#a206c6580b81f8d6e9b1720230d66e7c8">m_locked</a>)</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <a class="code" href="classzypp_1_1thread_1_1MutexLock.html#af942760b147a96671382689a9ef39b35">unlock</a>();</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  }</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">catch</span>( ... )</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  {</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="comment">// don't let exceptions escape</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  }</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  }</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="classzypp_1_1thread_1_1MutexLock.html#a70cc3654e1cb4069a87b6515df20a671"> 59</a></span>  <span class="keywordtype">void</span> <a class="code" href="classzypp_1_1thread_1_1MutexLock.html#a70cc3654e1cb4069a87b6515df20a671">lock</a>()</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  {</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  assert(<a class="code" href="classzypp_1_1thread_1_1MutexLock.html#a206c6580b81f8d6e9b1720230d66e7c8">m_locked</a> == <span class="keyword">false</span>);</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <a class="code" href="classzypp_1_1thread_1_1MutexLock.html#a51a35909785d083ab55d60221f9cc638">m_mutex</a>-><a class="code" href="classzypp_1_1thread_1_1Mutex.html#a526df3ba9d1e7ddd873875b296f27e31">lock</a>();</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <a class="code" href="classzypp_1_1thread_1_1MutexLock.html#a206c6580b81f8d6e9b1720230d66e7c8">m_locked</a> = <span class="keyword">true</span>;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  }</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classzypp_1_1thread_1_1MutexLock.html#af942760b147a96671382689a9ef39b35"> 66</a></span>  <span class="keywordtype">void</span> <a class="code" href="classzypp_1_1thread_1_1MutexLock.html#af942760b147a96671382689a9ef39b35">unlock</a>()</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>  assert(<a class="code" href="classzypp_1_1thread_1_1MutexLock.html#a206c6580b81f8d6e9b1720230d66e7c8">m_locked</a> == <span class="keyword">true</span>);</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <a class="code" href="classzypp_1_1thread_1_1MutexLock.html#a51a35909785d083ab55d60221f9cc638">m_mutex</a>-><a class="code" href="classzypp_1_1thread_1_1Mutex.html#a120e6cbbd9e41f5637d0f20526698fb6">unlock</a>();</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <a class="code" href="classzypp_1_1thread_1_1MutexLock.html#a206c6580b81f8d6e9b1720230d66e7c8">m_locked</a> = <span class="keyword">false</span>;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  }</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div><div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="classzypp_1_1thread_1_1MutexLock.html#aef0b2a2b49e0635d2fc69739d689d1b0"> 73</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classzypp_1_1thread_1_1MutexLock.html#aef0b2a2b49e0635d2fc69739d689d1b0">trylock</a>()</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  {</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  assert(<a class="code" href="classzypp_1_1thread_1_1MutexLock.html#a206c6580b81f8d6e9b1720230d66e7c8">m_locked</a> == <span class="keyword">false</span>);</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <a class="code" href="classzypp_1_1thread_1_1MutexLock.html#a206c6580b81f8d6e9b1720230d66e7c8">m_locked</a> = <a class="code" href="classzypp_1_1thread_1_1MutexLock.html#a51a35909785d083ab55d60221f9cc638">m_mutex</a>-><a class="code" href="classzypp_1_1thread_1_1Mutex.html#a2e157590ce02f9a61ca95485f1b29698">trylock</a>();</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">return</span> <a class="code" href="classzypp_1_1thread_1_1MutexLock.html#a206c6580b81f8d6e9b1720230d66e7c8">m_locked</a>;</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  }</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div><div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="classzypp_1_1thread_1_1MutexLock.html#a92e7e72e2495fc2fdc103262c1876d83"> 80</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classzypp_1_1thread_1_1MutexLock.html#a92e7e72e2495fc2fdc103262c1876d83">locked</a>()</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>  <span class="keywordflow">return</span> <a class="code" href="classzypp_1_1thread_1_1MutexLock.html#a206c6580b81f8d6e9b1720230d66e7c8">m_locked</a>;</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> </div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="classzypp_1_1thread_1_1MutexLock.html#a51a35909785d083ab55d60221f9cc638"> 86</a></span>  <a class="code" href="classzypp_1_1thread_1_1Mutex.html">Mutex</a> *<a class="code" href="classzypp_1_1thread_1_1MutexLock.html#a51a35909785d083ab55d60221f9cc638">m_mutex</a>;</div><div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="classzypp_1_1thread_1_1MutexLock.html#a206c6580b81f8d6e9b1720230d66e7c8"> 87</a></span>  <span class="keyword">mutable</span> <span class="keywordtype">bool</span> <a class="code" href="classzypp_1_1thread_1_1MutexLock.html#a206c6580b81f8d6e9b1720230d66e7c8">m_locked</a>;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="comment">//friend class Condition;</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  };</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  } <span class="comment">// namespace thread</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="comment"></span>} <span class="comment">// namespace zypp</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment"></span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="preprocessor">#endif // ZYPP_THREAD_MUTEXLOCK_H</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="comment">/*</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment">** vim: set ts=2 sts=2 sw=2 ai et:</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment">*/</span></div><div class="ttc" id="classzypp_1_1thread_1_1MutexLock_html_a8e49afdf16c08265221c1361dbfacbcb"><div class="ttname"><a href="classzypp_1_1thread_1_1MutexLock.html#a8e49afdf16c08265221c1361dbfacbcb">zypp::thread::MutexLock::MutexLock</a></div><div class="ttdeci">MutexLock(const MutexLock &ref)</div><div class="ttdef"><b>Definition:</b> <a href="MutexLock_8h_source.html#l00039">MutexLock.h:39</a></div></div>
<div class="ttc" id="classzypp_1_1thread_1_1Mutex_html_a2e157590ce02f9a61ca95485f1b29698"><div class="ttname"><a href="classzypp_1_1thread_1_1Mutex.html#a2e157590ce02f9a61ca95485f1b29698">zypp::thread::Mutex::trylock</a></div><div class="ttdeci">bool trylock()</div><div class="ttdoc">Try to acquire ownership of this Mutex object.</div><div class="ttdef"><b>Definition:</b> <a href="Mutex_8cc_source.html#l00092">Mutex.cc:92</a></div></div>
<div class="ttc" id="classzypp_1_1thread_1_1MutexLock_html_a206c6580b81f8d6e9b1720230d66e7c8"><div class="ttname"><a href="classzypp_1_1thread_1_1MutexLock.html#a206c6580b81f8d6e9b1720230d66e7c8">zypp::thread::MutexLock::m_locked</a></div><div class="ttdeci">bool m_locked</div><div class="ttdef"><b>Definition:</b> <a href="MutexLock_8h_source.html#l00087">MutexLock.h:87</a></div></div>
<div class="ttc" id="classzypp_1_1thread_1_1MutexLock_html_a92e7e72e2495fc2fdc103262c1876d83"><div class="ttname"><a href="classzypp_1_1thread_1_1MutexLock.html#a92e7e72e2495fc2fdc103262c1876d83">zypp::thread::MutexLock::locked</a></div><div class="ttdeci">bool locked()</div><div class="ttdef"><b>Definition:</b> <a href="MutexLock_8h_source.html#l00080">MutexLock.h:80</a></div></div>
<div class="ttc" id="classzypp_1_1thread_1_1MutexLock_html_a6323a5dcf128e185788cbce3f167a80b"><div class="ttname"><a href="classzypp_1_1thread_1_1MutexLock.html#a6323a5dcf128e185788cbce3f167a80b">zypp::thread::MutexLock::MutexLock</a></div><div class="ttdeci">MutexLock(Mutex &mutex, bool init_locked=true)</div><div class="ttdef"><b>Definition:</b> <a href="MutexLock_8h_source.html#l00031">MutexLock.h:31</a></div></div>
<div class="ttc" id="classzypp_1_1thread_1_1MutexLock_html_a71a1aefa752ab8e15ec83f3ff86e0aab"><div class="ttname"><a href="classzypp_1_1thread_1_1MutexLock.html#a71a1aefa752ab8e15ec83f3ff86e0aab">zypp::thread::MutexLock::~MutexLock</a></div><div class="ttdeci">~MutexLock()</div><div class="ttdef"><b>Definition:</b> <a href="MutexLock_8h_source.html#l00046">MutexLock.h:46</a></div></div>
<div class="ttc" id="classzypp_1_1thread_1_1MutexLock_html_af942760b147a96671382689a9ef39b35"><div class="ttname"><a href="classzypp_1_1thread_1_1MutexLock.html#af942760b147a96671382689a9ef39b35">zypp::thread::MutexLock::unlock</a></div><div class="ttdeci">void unlock()</div><div class="ttdef"><b>Definition:</b> <a href="MutexLock_8h_source.html#l00066">MutexLock.h:66</a></div></div>
<div class="ttc" id="classzypp_1_1thread_1_1MutexLock_html_a51a35909785d083ab55d60221f9cc638"><div class="ttname"><a href="classzypp_1_1thread_1_1MutexLock.html#a51a35909785d083ab55d60221f9cc638">zypp::thread::MutexLock::m_mutex</a></div><div class="ttdeci">Mutex * m_mutex</div><div class="ttdef"><b>Definition:</b> <a href="MutexLock_8h_source.html#l00086">MutexLock.h:86</a></div></div>
<div class="ttc" id="classzypp_1_1thread_1_1Mutex_html_a526df3ba9d1e7ddd873875b296f27e31"><div class="ttname"><a href="classzypp_1_1thread_1_1Mutex.html#a526df3ba9d1e7ddd873875b296f27e31">zypp::thread::Mutex::lock</a></div><div class="ttdeci">void lock()</div><div class="ttdoc">Acquire ownership of this Mutex object.</div><div class="ttdef"><b>Definition:</b> <a href="Mutex_8cc_source.html#l00072">Mutex.cc:72</a></div></div>
<div class="ttc" id="Mutex_8h_html"><div class="ttname"><a href="Mutex_8h.html">Mutex.h</a></div></div>
<div class="ttc" id="classzypp_1_1thread_1_1MutexLock_html_aef0b2a2b49e0635d2fc69739d689d1b0"><div class="ttname"><a href="classzypp_1_1thread_1_1MutexLock.html#aef0b2a2b49e0635d2fc69739d689d1b0">zypp::thread::MutexLock::trylock</a></div><div class="ttdeci">bool trylock()</div><div class="ttdef"><b>Definition:</b> <a href="MutexLock_8h_source.html#l00073">MutexLock.h:73</a></div></div>
<div class="ttc" id="classzypp_1_1thread_1_1Mutex_html"><div class="ttname"><a href="classzypp_1_1thread_1_1Mutex.html">zypp::thread::Mutex</a></div><div class="ttdoc">A recursive Mutex.</div><div class="ttdef"><b>Definition:</b> <a href="Mutex_8h_source.html#l00035">Mutex.h:35</a></div></div>
<div class="ttc" id="classzypp_1_1thread_1_1MutexLock_html"><div class="ttname"><a href="classzypp_1_1thread_1_1MutexLock.html">zypp::thread::MutexLock</a></div><div class="ttdef"><b>Definition:</b> <a href="MutexLock_8h_source.html#l00028">MutexLock.h:28</a></div></div>
<div class="ttc" id="classzypp_1_1thread_1_1Mutex_html_a120e6cbbd9e41f5637d0f20526698fb6"><div class="ttname"><a href="classzypp_1_1thread_1_1Mutex.html#a120e6cbbd9e41f5637d0f20526698fb6">zypp::thread::Mutex::unlock</a></div><div class="ttdeci">void unlock()</div><div class="ttdoc">Release ownership of this Mutex object.</div><div class="ttdef"><b>Definition:</b> <a href="Mutex_8cc_source.html#l00082">Mutex.cc:82</a></div></div>
<div class="ttc" id="classzypp_1_1thread_1_1MutexLock_html_a70cc3654e1cb4069a87b6515df20a671"><div class="ttname"><a href="classzypp_1_1thread_1_1MutexLock.html#a70cc3654e1cb4069a87b6515df20a671">zypp::thread::MutexLock::lock</a></div><div class="ttdeci">void lock()</div><div class="ttdef"><b>Definition:</b> <a href="MutexLock_8h_source.html#l00059">MutexLock.h:59</a></div></div>
<div class="ttc" id="namespacezypp_html"><div class="ttname"><a href="namespacezypp.html">zypp</a></div><div class="ttdoc">Easy-to use interface to the ZYPP dependency resolver.</div><div class="ttdef"><b>Definition:</b> <a href="CodePitfalls_8doc_source.html#l00001">CodePitfalls.doc:1</a></div></div>
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