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<a href="threading_8c.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"> * Threading abstraction layer</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"> * Copyright (C) 2006-2014, Brainspark B.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"> * This file is part of PolarSSL (http://www.polarssl.org)</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org></span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * All rights reserved.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * This program is free software; you can redistribute it and/or modify</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * it under the terms of the GNU General Public License as published by</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * the Free Software Foundation; either version 2 of the License, or</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * (at your option) any later version.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * This program is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * GNU General Public License for more details.</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * You should have received a copy of the GNU General Public License along</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * with this program; if not, write to the Free Software Foundation, Inc.,</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> */</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> <span class="preprocessor">#if !defined(POLARSSL_CONFIG_FILE)</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="config_8h.html">polarssl/config.h</a>"</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor"></span><span class="preprocessor">#include POLARSSL_CONFIG_FILE</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#if defined(POLARSSL_THREADING_C)</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include "<a class="code" href="threading_8h.html">polarssl/threading.h</a>"</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#if defined(POLARSSL_THREADING_PTHREAD)</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> threading_mutex_init_pthread( threading_mutex_t *mutex )</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> {</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordflow">if</span>( mutex == NULL )</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">return</span>( <a class="code" href="threading_8h.html#a0e208074a998f6ab35e6fc475dce82a0">POLARSSL_ERR_THREADING_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordflow">if</span>( pthread_mutex_init( mutex, NULL ) != 0 )</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">return</span>( <a class="code" href="threading_8h.html#afea02eb560c790911a89035bbcc909ad">POLARSSL_ERR_THREADING_MUTEX_ERROR</a> );</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="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> }</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="keyword">static</span> <span class="keywordtype">int</span> threading_mutex_free_pthread( threading_mutex_t *mutex )</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>( mutex == NULL )</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">return</span>( <a class="code" href="threading_8h.html#a0e208074a998f6ab35e6fc475dce82a0">POLARSSL_ERR_THREADING_BAD_INPUT_DATA</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">if</span>( pthread_mutex_destroy( mutex ) != 0 )</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">return</span>( <a class="code" href="threading_8h.html#afea02eb560c790911a89035bbcc909ad">POLARSSL_ERR_THREADING_MUTEX_ERROR</a> );</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">return</span>( 0 );</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"> 59</span> <span class="keyword">static</span> <span class="keywordtype">int</span> threading_mutex_lock_pthread( threading_mutex_t *mutex )</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>  <span class="keywordflow">if</span>( mutex == NULL )</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">return</span>( <a class="code" href="threading_8h.html#a0e208074a998f6ab35e6fc475dce82a0">POLARSSL_ERR_THREADING_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">if</span>( pthread_mutex_lock( mutex ) != 0 )</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">return</span>( <a class="code" href="threading_8h.html#afea02eb560c790911a89035bbcc909ad">POLARSSL_ERR_THREADING_MUTEX_ERROR</a> );</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> }</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="keyword">static</span> <span class="keywordtype">int</span> threading_mutex_unlock_pthread( threading_mutex_t *mutex )</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>  <span class="keywordflow">if</span>( mutex == NULL )</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">return</span>( <a class="code" href="threading_8h.html#a0e208074a998f6ab35e6fc475dce82a0">POLARSSL_ERR_THREADING_BAD_INPUT_DATA</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>  <span class="keywordflow">if</span>( pthread_mutex_unlock( mutex ) != 0 )</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">return</span>( <a class="code" href="threading_8h.html#afea02eb560c790911a89035bbcc909ad">POLARSSL_ERR_THREADING_MUTEX_ERROR</a> );</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">return</span>( 0 );</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> </div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> int (*<a class="code" href="threading_8h.html#aa6c63dc2e1bfeab14346ded406410603">polarssl_mutex_init</a>)( threading_mutex_t * ) = threading_mutex_init_pthread;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> int (*<a class="code" href="threading_8h.html#aaf60b0265d71e36e1429c513e2890a0f">polarssl_mutex_free</a>)( threading_mutex_t * ) = threading_mutex_free_pthread;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> int (*<a class="code" href="threading_8h.html#a20d968ec5d48ea16cfab980204e3cb90">polarssl_mutex_lock</a>)( threading_mutex_t * ) = threading_mutex_lock_pthread;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> int (*<a class="code" href="threading_8h.html#a3f71f2d457fdf4f03268eb731abf3a98">polarssl_mutex_unlock</a>)( threading_mutex_t * ) = threading_mutex_unlock_pthread;</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_THREADING_PTHREAD */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="preprocessor">#if defined(POLARSSL_THREADING_ALT)</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> threading_mutex_fail( threading_mutex_t *mutex )</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>  ((void) mutex );</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">return</span>( <a class="code" href="threading_8h.html#a0e208074a998f6ab35e6fc475dce82a0">POLARSSL_ERR_THREADING_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> }</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> int (*<a class="code" href="threading_8h.html#aa6c63dc2e1bfeab14346ded406410603">polarssl_mutex_init</a>)( threading_mutex_t * ) = threading_mutex_fail;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> int (*<a class="code" href="threading_8h.html#aaf60b0265d71e36e1429c513e2890a0f">polarssl_mutex_free</a>)( threading_mutex_t * ) = threading_mutex_fail;</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> int (*<a class="code" href="threading_8h.html#a20d968ec5d48ea16cfab980204e3cb90">polarssl_mutex_lock</a>)( threading_mutex_t * ) = threading_mutex_fail;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> int (*<a class="code" href="threading_8h.html#a3f71f2d457fdf4f03268eb731abf3a98">polarssl_mutex_unlock</a>)( threading_mutex_t * ) = threading_mutex_fail;</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="keywordtype">int</span> threading_set_alt( <span class="keywordtype">int</span> (*mutex_init)( threading_mutex_t * ),</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordtype">int</span> (*mutex_free)( threading_mutex_t * ),</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordtype">int</span> (*mutex_lock)( threading_mutex_t * ),</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordtype">int</span> (*mutex_unlock)( threading_mutex_t * ) )</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> {</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <a class="code" href="threading_8h.html#aa6c63dc2e1bfeab14346ded406410603">polarssl_mutex_init</a> = mutex_init;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <a class="code" href="threading_8h.html#aaf60b0265d71e36e1429c513e2890a0f">polarssl_mutex_free</a> = mutex_free;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <a class="code" href="threading_8h.html#a20d968ec5d48ea16cfab980204e3cb90">polarssl_mutex_lock</a> = mutex_lock;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <a class="code" href="threading_8h.html#a3f71f2d457fdf4f03268eb731abf3a98">polarssl_mutex_unlock</a> = mutex_unlock;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> }</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_THREADING_ALT_C */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_THREADING_C */</span><span class="preprocessor"></span></div>
<div class="ttc" id="threading_8h_html_a20d968ec5d48ea16cfab980204e3cb90"><div class="ttname"><a href="threading_8h.html#a20d968ec5d48ea16cfab980204e3cb90">polarssl_mutex_lock</a></div><div class="ttdeci">int(* polarssl_mutex_lock)(threading_mutex_t *mutex)</div></div>
<div class="ttc" id="config_8h_html"><div class="ttname"><a href="config_8h.html">config.h</a></div><div class="ttdoc">Configuration options (set of defines) </div></div>
<div class="ttc" id="threading_8h_html"><div class="ttname"><a href="threading_8h.html">threading.h</a></div><div class="ttdoc">Threading abstraction layer. </div></div>
<div class="ttc" id="threading_8h_html_a0e208074a998f6ab35e6fc475dce82a0"><div class="ttname"><a href="threading_8h.html#a0e208074a998f6ab35e6fc475dce82a0">POLARSSL_ERR_THREADING_BAD_INPUT_DATA</a></div><div class="ttdeci">#define POLARSSL_ERR_THREADING_BAD_INPUT_DATA</div><div class="ttdoc">Bad input parameters to function. </div><div class="ttdef"><b>Definition:</b> <a href="threading_8h_source.html#l00043">threading.h:43</a></div></div>
<div class="ttc" id="threading_8h_html_aaf60b0265d71e36e1429c513e2890a0f"><div class="ttname"><a href="threading_8h.html#aaf60b0265d71e36e1429c513e2890a0f">polarssl_mutex_free</a></div><div class="ttdeci">int(* polarssl_mutex_free)(threading_mutex_t *mutex)</div></div>
<div class="ttc" id="threading_8h_html_a3f71f2d457fdf4f03268eb731abf3a98"><div class="ttname"><a href="threading_8h.html#a3f71f2d457fdf4f03268eb731abf3a98">polarssl_mutex_unlock</a></div><div class="ttdeci">int(* polarssl_mutex_unlock)(threading_mutex_t *mutex)</div></div>
<div class="ttc" id="threading_8h_html_aa6c63dc2e1bfeab14346ded406410603"><div class="ttname"><a href="threading_8h.html#aa6c63dc2e1bfeab14346ded406410603">polarssl_mutex_init</a></div><div class="ttdeci">int(* polarssl_mutex_init)(threading_mutex_t *mutex)</div></div>
<div class="ttc" id="threading_8h_html_afea02eb560c790911a89035bbcc909ad"><div class="ttname"><a href="threading_8h.html#afea02eb560c790911a89035bbcc909ad">POLARSSL_ERR_THREADING_MUTEX_ERROR</a></div><div class="ttdeci">#define POLARSSL_ERR_THREADING_MUTEX_ERROR</div><div class="ttdoc">Locking / unlocking / free failed with error code. </div><div class="ttdef"><b>Definition:</b> <a href="threading_8h_source.html#l00044">threading.h:44</a></div></div>
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