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<a href="timeval_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="preprocessor">#ifndef footimevalhfoo</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define footimevalhfoo</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</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"> This file is part of PulseAudio.</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"> Copyright 2004-2006 Lennart Poettering</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"></span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> PulseAudio is free software; you can redistribute it and/or modify</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> it under the terms of the GNU Lesser General Public License as</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> published by the Free Software Foundation; either version 2.1 of the</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> License, or (at your option) any later version.</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"></span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> PulseAudio is distributed in the hope that it will be useful, but</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> WITHOUT ANY WARRANTY; without even the implied warranty of</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> Lesser General Public License for more details.</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"></span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> You should have received a copy of the GNU Lesser General Public</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> License along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">***/</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <pulse/cdecl.h></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <<a class="code" href="gccmacro_8h.html">pulse/gccmacro.h</a>></span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <<a class="code" href="sample_8h.html">pulse/sample.h</a>></span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <<a class="code" href="version_8h.html">pulse/version.h</a>></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> PA_C_DECL_BEGIN</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="timeval_8h.html#adc226d28cef9e36fca56c355a03903f5"> 35</a></span> <span class="preprocessor">#define PA_MSEC_PER_SEC ((pa_usec_t) 1000ULL)</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="timeval_8h.html#a65605026fb393422df650916ef7e3e32"> 38</a></span> <span class="preprocessor">#define PA_USEC_PER_SEC ((pa_usec_t) 1000000ULL)</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="timeval_8h.html#a98cd21cdaba8d04b078ad3f4e8139a11"> 41</a></span> <span class="preprocessor">#define PA_NSEC_PER_SEC ((unsigned long long) 1000000000ULL)</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="timeval_8h.html#a13ded4b857d4148545f7e59022700a95"> 44</a></span> <span class="preprocessor">#define PA_USEC_PER_MSEC ((pa_usec_t) 1000ULL)</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="timeval_8h.html#aaddb92588f282c06ac13d3d9530ff604"> 47</a></span> <span class="preprocessor">#define PA_NSEC_PER_MSEC ((unsigned long long) 1000000ULL)</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="timeval_8h.html#acfb6c27ac89618aa980b30f2724263ac"> 50</a></span> <span class="preprocessor">#define PA_NSEC_PER_USEC ((unsigned long long) 1000ULL)</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div><div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="timeval_8h.html#af0ac47427f9d7fa796ab9bdaa96db1ca"> 53</a></span> <span class="preprocessor">#define PA_USEC_INVALID ((pa_usec_t) -1)</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="timeval_8h.html#ad127de6077e6f8a0288099368fb91762"> 56</a></span> <span class="preprocessor">#define PA_USEC_MAX ((pa_usec_t) -2)</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> <span class="keyword">struct </span>timeval;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="keyword">struct </span>timeval *<a class="code" href="timeval_8h.html#a6b172af60031b694582956e8b4ed6785">pa_gettimeofday</a>(<span class="keyword">struct</span> timeval *tv);</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <a class="code" href="sample_8h.html#a885df3b973773f0dccbbec6bc6777f89">pa_usec_t</a> <a class="code" href="timeval_8h.html#a30ef3f1f4aa7a57fe6fcf6b217725161">pa_timeval_diff</a>(<span class="keyword">const</span> <span class="keyword">struct</span> timeval *a, <span class="keyword">const</span> <span class="keyword">struct</span> timeval *b) <a class="code" href="gccmacro_8h.html#aa1c5f50faa1073e28ba469b86f6a0548">PA_GCC_PURE</a>;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="keywordtype">int</span> <a class="code" href="timeval_8h.html#adda5cdd65f7d07a457849d230c8ed066">pa_timeval_cmp</a>(<span class="keyword">const</span> <span class="keyword">struct</span> timeval *a, <span class="keyword">const</span> <span class="keyword">struct</span> timeval *b) <a class="code" href="gccmacro_8h.html#aa1c5f50faa1073e28ba469b86f6a0548">PA_GCC_PURE</a>;</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <a class="code" href="sample_8h.html#a885df3b973773f0dccbbec6bc6777f89">pa_usec_t</a> <a class="code" href="timeval_8h.html#a8d9a66f93e843d5e777eae6363b3aafc">pa_timeval_age</a>(<span class="keyword">const</span> <span class="keyword">struct</span> timeval *tv);</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="keyword">struct </span>timeval* <a class="code" href="timeval_8h.html#a43743ff9b5891b03b8b83091b89d0fbe">pa_timeval_add</a>(<span class="keyword">struct</span> timeval *tv, <a class="code" href="sample_8h.html#a885df3b973773f0dccbbec6bc6777f89">pa_usec_t</a> v);</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="keyword">struct </span>timeval* <a class="code" href="timeval_8h.html#aef2c91e9cc3f5e819e94b0b47eec008d">pa_timeval_sub</a>(<span class="keyword">struct</span> timeval *tv, <a class="code" href="sample_8h.html#a885df3b973773f0dccbbec6bc6777f89">pa_usec_t</a> v);</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="keyword">struct </span>timeval* <a class="code" href="timeval_8h.html#af57d5b7c72056fb96737394952f13ba1">pa_timeval_store</a>(<span class="keyword">struct</span> timeval *tv, <a class="code" href="sample_8h.html#a885df3b973773f0dccbbec6bc6777f89">pa_usec_t</a> v);</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <a class="code" href="sample_8h.html#a885df3b973773f0dccbbec6bc6777f89">pa_usec_t</a> <a class="code" href="timeval_8h.html#a4ad23ae783a93d0da964b2e026f54dc2">pa_timeval_load</a>(<span class="keyword">const</span> <span class="keyword">struct</span> timeval *tv);</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> PA_C_DECL_END</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="timeval_8h_html_a30ef3f1f4aa7a57fe6fcf6b217725161"><div class="ttname"><a href="timeval_8h.html#a30ef3f1f4aa7a57fe6fcf6b217725161">pa_timeval_diff</a></div><div class="ttdeci">pa_usec_t pa_timeval_diff(const struct timeval *a, const struct timeval *b) PA_GCC_PURE</div><div class="ttdoc">Calculate the difference between the two specified timeval structs. </div></div>
<div class="ttc" id="sample_8h_html_a885df3b973773f0dccbbec6bc6777f89"><div class="ttname"><a href="sample_8h.html#a885df3b973773f0dccbbec6bc6777f89">pa_usec_t</a></div><div class="ttdeci">uint64_t pa_usec_t</div><div class="ttdoc">Type for usec specifications (unsigned). </div><div class="ttdef"><b>Definition:</b> sample.h:260</div></div>
<div class="ttc" id="gccmacro_8h_html_aa1c5f50faa1073e28ba469b86f6a0548"><div class="ttname"><a href="gccmacro_8h.html#aa1c5f50faa1073e28ba469b86f6a0548">PA_GCC_PURE</a></div><div class="ttdeci">#define PA_GCC_PURE</div><div class="ttdoc">This function&#39;s return value depends only the arguments list and global state. </div><div class="ttdef"><b>Definition:</b> gccmacro.h:73</div></div>
<div class="ttc" id="gccmacro_8h_html"><div class="ttname"><a href="gccmacro_8h.html">gccmacro.h</a></div><div class="ttdoc">GCC attribute macros. </div></div>
<div class="ttc" id="timeval_8h_html_af57d5b7c72056fb96737394952f13ba1"><div class="ttname"><a href="timeval_8h.html#af57d5b7c72056fb96737394952f13ba1">pa_timeval_store</a></div><div class="ttdeci">struct timeval * pa_timeval_store(struct timeval *tv, pa_usec_t v)</div><div class="ttdoc">Store the specified usec value in the timeval struct. </div></div>
<div class="ttc" id="timeval_8h_html_adda5cdd65f7d07a457849d230c8ed066"><div class="ttname"><a href="timeval_8h.html#adda5cdd65f7d07a457849d230c8ed066">pa_timeval_cmp</a></div><div class="ttdeci">int pa_timeval_cmp(const struct timeval *a, const struct timeval *b) PA_GCC_PURE</div><div class="ttdoc">Compare the two timeval structs and return 0 when equal, negative when a < b, positive otherwise...</div></div>
<div class="ttc" id="timeval_8h_html_aef2c91e9cc3f5e819e94b0b47eec008d"><div class="ttname"><a href="timeval_8h.html#aef2c91e9cc3f5e819e94b0b47eec008d">pa_timeval_sub</a></div><div class="ttdeci">struct timeval * pa_timeval_sub(struct timeval *tv, pa_usec_t v)</div><div class="ttdoc">Subtract the specified time in microseconds to the specified timeval structure. </div></div>
<div class="ttc" id="version_8h_html"><div class="ttname"><a href="version_8h.html">version.h</a></div><div class="ttdoc">Define header version. </div></div>
<div class="ttc" id="sample_8h_html"><div class="ttname"><a href="sample_8h.html">sample.h</a></div><div class="ttdoc">Constants and routines for sample type handling. </div></div>
<div class="ttc" id="timeval_8h_html_a43743ff9b5891b03b8b83091b89d0fbe"><div class="ttname"><a href="timeval_8h.html#a43743ff9b5891b03b8b83091b89d0fbe">pa_timeval_add</a></div><div class="ttdeci">struct timeval * pa_timeval_add(struct timeval *tv, pa_usec_t v)</div><div class="ttdoc">Add the specified time in microseconds to the specified timeval structure. </div></div>
<div class="ttc" id="timeval_8h_html_a6b172af60031b694582956e8b4ed6785"><div class="ttname"><a href="timeval_8h.html#a6b172af60031b694582956e8b4ed6785">pa_gettimeofday</a></div><div class="ttdeci">struct timeval * pa_gettimeofday(struct timeval *tv)</div><div class="ttdoc">Return the current wallclock timestamp, just like UNIX gettimeofday(). </div></div>
<div class="ttc" id="timeval_8h_html_a4ad23ae783a93d0da964b2e026f54dc2"><div class="ttname"><a href="timeval_8h.html#a4ad23ae783a93d0da964b2e026f54dc2">pa_timeval_load</a></div><div class="ttdeci">pa_usec_t pa_timeval_load(const struct timeval *tv)</div><div class="ttdoc">Load the specified tv value and return it in usec. </div></div>
<div class="ttc" id="timeval_8h_html_a8d9a66f93e843d5e777eae6363b3aafc"><div class="ttname"><a href="timeval_8h.html#a8d9a66f93e843d5e777eae6363b3aafc">pa_timeval_age</a></div><div class="ttdeci">pa_usec_t pa_timeval_age(const struct timeval *tv)</div><div class="ttdoc">Return the time difference between now and the specified timestamp. </div></div>
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