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<h1>timeval.h</h1><a href="timeval_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef footimevalhfoo</span>
<a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define footimevalhfoo</span>
<a name="l00003"></a>00003 <span class="preprocessor"></span>
<a name="l00004"></a>00004 <span class="comment">/* $Id: timeval.h 1971 2007-10-28 19:13:50Z lennart $ */</span>
<a name="l00005"></a>00005 
<a name="l00006"></a>00006 <span class="comment">/***</span>
<a name="l00007"></a>00007 <span class="comment">  This file is part of PulseAudio.</span>
<a name="l00008"></a>00008 <span class="comment"></span>
<a name="l00009"></a>00009 <span class="comment">  Copyright 2004-2006 Lennart Poettering</span>
<a name="l00010"></a>00010 <span class="comment">  Copyright 2006 Pierre Ossman &lt;ossman@cendio.se&gt; for Cendio AB</span>
<a name="l00011"></a>00011 <span class="comment"></span>
<a name="l00012"></a>00012 <span class="comment">  PulseAudio is free software; you can redistribute it and/or modify</span>
<a name="l00013"></a>00013 <span class="comment">  it under the terms of the GNU Lesser General Public License as</span>
<a name="l00014"></a>00014 <span class="comment">  published by the Free Software Foundation; either version 2.1 of the</span>
<a name="l00015"></a>00015 <span class="comment">  License, or (at your option) any later version.</span>
<a name="l00016"></a>00016 <span class="comment"></span>
<a name="l00017"></a>00017 <span class="comment">  PulseAudio is distributed in the hope that it will be useful, but</span>
<a name="l00018"></a>00018 <span class="comment">  WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00019"></a>00019 <span class="comment">  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00020"></a>00020 <span class="comment">  Lesser General Public License for more details.</span>
<a name="l00021"></a>00021 <span class="comment"></span>
<a name="l00022"></a>00022 <span class="comment">  You should have received a copy of the GNU Lesser General Public</span>
<a name="l00023"></a>00023 <span class="comment">  License along with PulseAudio; if not, write to the Free Software</span>
<a name="l00024"></a>00024 <span class="comment">  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307</span>
<a name="l00025"></a>00025 <span class="comment">  USA.</span>
<a name="l00026"></a>00026 <span class="comment">***/</span>
<a name="l00027"></a>00027 
<a name="l00028"></a>00028 <span class="preprocessor">#include &lt;pulse/cdecl.h&gt;</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include &lt;<a class="code" href="sample_8h.html" title="Constants and routines for sample type handling.">pulse/sample.h</a>&gt;</span>
<a name="l00030"></a>00030 
<a name="l00034"></a>00034 PA_C_DECL_BEGIN
<a name="l00035"></a>00035 
<a name="l00036"></a><a class="code" href="timeval_8h.html#dc226d28cef9e36fca56c355a03903f5">00036</a> <span class="preprocessor">#define PA_MSEC_PER_SEC 1000</span>
<a name="l00037"></a><a class="code" href="timeval_8h.html#65605026fb393422df650916ef7e3e32">00037</a> <span class="preprocessor"></span><span class="preprocessor">#define PA_USEC_PER_SEC 1000000</span>
<a name="l00038"></a><a class="code" href="timeval_8h.html#98cd21cdaba8d04b078ad3f4e8139a11">00038</a> <span class="preprocessor"></span><span class="preprocessor">#define PA_NSEC_PER_SEC 1000000000</span>
<a name="l00039"></a><a class="code" href="timeval_8h.html#13ded4b857d4148545f7e59022700a95">00039</a> <span class="preprocessor"></span><span class="preprocessor">#define PA_USEC_PER_MSEC 1000</span>
<a name="l00040"></a>00040 <span class="preprocessor"></span>
<a name="l00041"></a>00041 <span class="keyword">struct </span>timeval;
<a name="l00042"></a>00042 
<a name="l00044"></a>00044 <span class="keyword">struct </span>timeval *<a class="code" href="timeval_8h.html#6b172af60031b694582956e8b4ed6785" title="Return the current timestamp, just like UNIX gettimeofday().">pa_gettimeofday</a>(<span class="keyword">struct</span> timeval *tv);
<a name="l00045"></a>00045 
<a name="l00048"></a>00048 <a class="code" href="sample_8h.html#885df3b973773f0dccbbec6bc6777f89" title="Type for usec specifications (unsigned).">pa_usec_t</a> <a class="code" href="timeval_8h.html#30ef3f1f4aa7a57fe6fcf6b217725161" title="Calculate the difference between the two specified timeval structs.">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) PA_GCC_PURE;
<a name="l00049"></a>00049 
<a name="l00051"></a>00051 <span class="keywordtype">int</span> <a class="code" href="timeval_8h.html#dda5cdd65f7d07a457849d230c8ed066" title="Compare the two timeval structs and return 0 when equal, negative when a &amp;lt; b,...">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) PA_GCC_PURE;
<a name="l00052"></a>00052 
<a name="l00054"></a>00054 <a class="code" href="sample_8h.html#885df3b973773f0dccbbec6bc6777f89" title="Type for usec specifications (unsigned).">pa_usec_t</a> <a class="code" href="timeval_8h.html#8d9a66f93e843d5e777eae6363b3aafc" title="Return the time difference between now and the specified timestamp.">pa_timeval_age</a>(<span class="keyword">const</span> <span class="keyword">struct</span> timeval *tv);
<a name="l00055"></a>00055 
<a name="l00057"></a>00057 <span class="keyword">struct </span>timeval* <a class="code" href="timeval_8h.html#f0d6694ed18aae48ec598d5755c6bd6c" title="Add the specified time inmicroseconds to the specified timeval structure.">pa_timeval_add</a>(<span class="keyword">struct</span> timeval *tv, <a class="code" href="sample_8h.html#885df3b973773f0dccbbec6bc6777f89" title="Type for usec specifications (unsigned).">pa_usec_t</a> v) PA_GCC_PURE;
<a name="l00058"></a>00058 
<a name="l00060"></a>00060 <span class="keyword">struct </span>timeval* <a class="code" href="timeval_8h.html#f57d5b7c72056fb96737394952f13ba1" title="Store the specified uec value in the timeval struct.">pa_timeval_store</a>(<span class="keyword">struct</span> timeval *tv, <a class="code" href="sample_8h.html#885df3b973773f0dccbbec6bc6777f89" title="Type for usec specifications (unsigned).">pa_usec_t</a> v);
<a name="l00061"></a>00061 
<a name="l00063"></a>00063 <a class="code" href="sample_8h.html#885df3b973773f0dccbbec6bc6777f89" title="Type for usec specifications (unsigned).">pa_usec_t</a> <a class="code" href="timeval_8h.html#4ad23ae783a93d0da964b2e026f54dc2" title="Load the specified tv value and return it in usec.">pa_timeval_load</a>(<span class="keyword">const</span> <span class="keyword">struct</span> timeval *tv);
<a name="l00064"></a>00064 
<a name="l00065"></a>00065 PA_C_DECL_END
<a name="l00066"></a>00066 
<a name="l00067"></a>00067 <span class="preprocessor">#endif</span>
</pre></div></div>
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