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<div class="title">qpid/sys/Time.h</div> </div>
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<a href="a00563.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef _sys_Time_h</span>
<a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define _sys_Time_h</span>
<a name="l00003"></a>00003 <span class="preprocessor"></span>
<a name="l00004"></a>00004 <span class="comment">/*</span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * Licensed to the Apache Software Foundation (ASF) under one</span>
<a name="l00007"></a>00007 <span class="comment"> * or more contributor license agreements. See the NOTICE file</span>
<a name="l00008"></a>00008 <span class="comment"> * distributed with this work for additional information</span>
<a name="l00009"></a>00009 <span class="comment"> * regarding copyright ownership. The ASF licenses this file</span>
<a name="l00010"></a>00010 <span class="comment"> * to you under the Apache License, Version 2.0 (the</span>
<a name="l00011"></a>00011 <span class="comment"> * "License"); you may not use this file except in compliance</span>
<a name="l00012"></a>00012 <span class="comment"> * with the License. You may obtain a copy of the License at</span>
<a name="l00013"></a>00013 <span class="comment"> *</span>
<a name="l00014"></a>00014 <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span>
<a name="l00015"></a>00015 <span class="comment"> *</span>
<a name="l00016"></a>00016 <span class="comment"> * Unless required by applicable law or agreed to in writing,</span>
<a name="l00017"></a>00017 <span class="comment"> * software distributed under the License is distributed on an</span>
<a name="l00018"></a>00018 <span class="comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span>
<a name="l00019"></a>00019 <span class="comment"> * KIND, either express or implied. See the License for the</span>
<a name="l00020"></a>00020 <span class="comment"> * specific language governing permissions and limitations</span>
<a name="l00021"></a>00021 <span class="comment"> * under the License.</span>
<a name="l00022"></a>00022 <span class="comment"> *</span>
<a name="l00023"></a>00023 <span class="comment"> */</span>
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="a00554.html">qpid/sys/IntegerTypes.h</a>"</span>
<a name="l00026"></a>00026 <span class="comment">/*</span>
<a name="l00027"></a>00027 <span class="comment"> * The platform defines its notion of time as a TimePrivate type. The</span>
<a name="l00028"></a>00028 <span class="comment"> * platform's implementation knows how to handle this type.</span>
<a name="l00029"></a>00029 <span class="comment"> */</span>
<a name="l00030"></a>00030 <span class="preprocessor">#if defined (_WIN32)</span>
<a name="l00031"></a>00031 <span class="preprocessor"></span><span class="preprocessor"># include "<a class="code" href="a00564.html">windows/Time.h</a>"</span>
<a name="l00032"></a>00032 <span class="preprocessor">#else</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span><span class="preprocessor"># include "<a class="code" href="a00562.html">posix/Time.h</a>"</span>
<a name="l00034"></a>00034 <span class="preprocessor">#endif</span>
<a name="l00035"></a>00035 <span class="preprocessor"></span>
<a name="l00036"></a>00036 <span class="preprocessor">#include "<a class="code" href="a00482.html">qpid/CommonImportExport.h</a>"</span>
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="preprocessor">#include <limits></span>
<a name="l00039"></a>00039 <span class="preprocessor">#include <iosfwd></span>
<a name="l00040"></a>00040
<a name="l00041"></a>00041 <span class="keyword">namespace </span>qpid {
<a name="l00042"></a>00042 <span class="keyword">namespace </span>sys {
<a name="l00043"></a>00043
<a name="l00044"></a><a class="code" href="a00001.html">00044</a> <span class="keyword">class </span><a class="code" href="a00103.html" title="Class to represent the duration between instants of time.">Duration</a>;
<a name="l00045"></a>00045
<a name="l00080"></a>00080 <span class="keyword">class </span><a class="code" href="a00001.html" title="Class to represent an instant in time.">AbsTime</a> {
<a name="l00081"></a><a class="code" href="a00001.html#a9ece26aff25b10ae9deb98d509478cba">00081</a> <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="a00103.html" title="Class to represent the duration between instants of time.">Duration</a>;
<a name="l00082"></a><a class="code" href="a00001.html#a0705c7682858f6dcf7fe85cba92f0a5c">00082</a> <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="a00056.html" title="A condition variable for thread synchronization.">Condition</a>;
<a name="l00083"></a>00083
<a name="l00084"></a>00084 <a class="code" href="a00592.html#a4e0478fec86975db052a4c87ac13739b" title="Class to represent an instant in time.">TimePrivate</a> timepoint;
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="keyword">public</span>:
<a name="l00087"></a>00087
<a name="l00088"></a><a class="code" href="a00001.html#acf3a166cb6df2d823a415d3c6ef2e137">00088</a> <span class="keyword">inline</span> <a class="code" href="a00001.html#acf3a166cb6df2d823a415d3c6ef2e137">AbsTime</a>() : timepoint() {}
<a name="l00089"></a>00089 <a class="code" href="a00482.html#a0b7cbe1dd21be86348943cd971d33a20">QPID_COMMON_EXTERN</a> <a class="code" href="a00001.html#acf3a166cb6df2d823a415d3c6ef2e137">AbsTime</a>(<span class="keyword">const</span> <a class="code" href="a00001.html" title="Class to represent an instant in time.">AbsTime</a>& time0, <span class="keyword">const</span> <a class="code" href="a00103.html" title="Class to represent the duration between instants of time.">Duration</a>& duration);
<a name="l00090"></a>00090 <span class="comment">// Default assignment operation fine</span>
<a name="l00091"></a>00091 <span class="comment">// Default copy constructor fine</span>
<a name="l00092"></a>00092
<a name="l00093"></a>00093 <a class="code" href="a00482.html#a0b7cbe1dd21be86348943cd971d33a20">QPID_COMMON_EXTERN</a> <span class="keyword">static</span> <a class="code" href="a00001.html" title="Class to represent an instant in time.">AbsTime</a> <a class="code" href="a00001.html#a0ed4b5707126f2efe347ee9627d0ada7">now</a>();
<a name="l00094"></a>00094 <a class="code" href="a00482.html#a0b7cbe1dd21be86348943cd971d33a20">QPID_COMMON_EXTERN</a> <span class="keyword">static</span> <a class="code" href="a00001.html" title="Class to represent an instant in time.">AbsTime</a> <a class="code" href="a00001.html#af7016ce54c65f48a69eeb89e724cb9d4">FarFuture</a>();
<a name="l00095"></a>00095 <a class="code" href="a00482.html#a0b7cbe1dd21be86348943cd971d33a20">QPID_COMMON_EXTERN</a> <span class="keyword">static</span> <a class="code" href="a00001.html" title="Class to represent an instant in time.">AbsTime</a> <a class="code" href="a00001.html#a555e78f7c6826c7a4afabc5c9355b7de">Epoch</a>();
<a name="l00096"></a>00096
<a name="l00097"></a><a class="code" href="a00001.html#a6ef078995d9a68036402a71e59607466">00097</a> <span class="keywordtype">bool</span> <a class="code" href="a00001.html#a6ef078995d9a68036402a71e59607466">operator==</a>(<span class="keyword">const</span> <a class="code" href="a00001.html" title="Class to represent an instant in time.">AbsTime</a>& t)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> t.timepoint == timepoint; }
<a name="l00098"></a>00098
<a name="l00099"></a>00099 <span class="keyword">friend</span> <span class="keywordtype">bool</span> <a class="code" href="a00001.html#ab362ae8135e030b4c798ae7c022a4bdd">operator<</a>(<span class="keyword">const</span> <a class="code" href="a00001.html" title="Class to represent an instant in time.">AbsTime</a>& a, <span class="keyword">const</span> <a class="code" href="a00001.html" title="Class to represent an instant in time.">AbsTime</a>& b);
<a name="l00100"></a>00100 <span class="keyword">friend</span> <span class="keywordtype">bool</span> <a class="code" href="a00001.html#ac51bbeb0df704f6ce1764e517bf0fbc6">operator></a>(<span class="keyword">const</span> <a class="code" href="a00001.html" title="Class to represent an instant in time.">AbsTime</a>& a, <span class="keyword">const</span> <a class="code" href="a00001.html" title="Class to represent an instant in time.">AbsTime</a>& b);
<a name="l00101"></a>00101 <a class="code" href="a00482.html#a0b7cbe1dd21be86348943cd971d33a20">QPID_COMMON_EXTERN</a> <span class="keyword">friend</span> std::ostream& <a class="code" href="a00001.html#a1ed078452bd3db4988f97830c7f60edd">operator << </a>(<a class="code" href="a00243.html" title="STL class.">std::ostream</a>&, <span class="keyword">const</span> <a class="code" href="a00001.html" title="Class to represent an instant in time.">AbsTime</a>&);
<a name="l00102"></a>00102 };
<a name="l00103"></a>00103
<a name="l00104"></a>00104 <a class="code" href="a00482.html#a0b7cbe1dd21be86348943cd971d33a20">QPID_COMMON_EXTERN</a> std::ostream& <a class="code" href="a00592.html#ac79736a813e496e74a981b2e272a92c0">operator << </a>(<a class="code" href="a00243.html" title="STL class.">std::ostream</a>&, <span class="keyword">const</span> AbsTime&);
<a name="l00105"></a>00105
<a name="l00115"></a>00115 <span class="keyword">class </span>Duration {
<a name="l00116"></a>00116 <span class="keyword">static</span> int64_t max() { <span class="keywordflow">return</span> std::numeric_limits<int64_t>::max(); }
<a name="l00117"></a>00117 int64_t nanosecs;
<a name="l00118"></a>00118
<a name="l00119"></a><a class="code" href="a00103.html#aa0722033ff24a378ab21be8f2082e34e">00119</a> <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="a00001.html" title="Class to represent an instant in time.">AbsTime</a>;
<a name="l00120"></a>00120
<a name="l00121"></a>00121 <span class="keyword">public</span>:
<a name="l00122"></a>00122 <a class="code" href="a00482.html#a22b814cc5ef605d90a1295eae41f4ee4">QPID_COMMON_INLINE_EXTERN</a> <span class="keyword">inline</span> <a class="code" href="a00103.html#ac0e8512da981ae5950d5716b016cc464">Duration</a>(int64_t time0 = 0);
<a name="l00123"></a>00123 <a class="code" href="a00482.html#a0b7cbe1dd21be86348943cd971d33a20">QPID_COMMON_EXTERN</a> <span class="keyword">explicit</span> <a class="code" href="a00103.html#ac0e8512da981ae5950d5716b016cc464">Duration</a>(<span class="keyword">const</span> <a class="code" href="a00001.html" title="Class to represent an instant in time.">AbsTime</a>& start, <span class="keyword">const</span> <a class="code" href="a00001.html" title="Class to represent an instant in time.">AbsTime</a>& finish);
<a name="l00124"></a>00124 <span class="keyword">inline</span> <a class="code" href="a00103.html#ada92cfc5a1a0270e101b208b651c5d9f">operator int64_t</a>() <span class="keyword">const</span>;
<a name="l00125"></a>00125 };
<a name="l00126"></a>00126
<a name="l00127"></a>00127 std::ostream& <a class="code" href="a00592.html#ac79736a813e496e74a981b2e272a92c0">operator << </a>(<a class="code" href="a00243.html" title="STL class.">std::ostream</a>&, <span class="keyword">const</span> <a class="code" href="a00103.html" title="Class to represent the duration between instants of time.">Duration</a>&);
<a name="l00128"></a>00128
<a name="l00129"></a><a class="code" href="a00592.html#a30c32821719110ad9f1a040db14bbf04">00129</a> <span class="keyword">inline</span> <a class="code" href="a00001.html" title="Class to represent an instant in time.">AbsTime</a> <a class="code" href="a00592.html#a30c32821719110ad9f1a040db14bbf04">now</a>() { <span class="keywordflow">return</span> <a class="code" href="a00001.html#a0ed4b5707126f2efe347ee9627d0ada7">AbsTime::now</a>(); }
<a name="l00130"></a>00130
<a name="l00131"></a><a class="code" href="a00592.html#a65509dc2edc1f45418191a21bd433b0a">00131</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="a00592.html#a65509dc2edc1f45418191a21bd433b0a">operator<</a>(<span class="keyword">const</span> <a class="code" href="a00001.html" title="Class to represent an instant in time.">AbsTime</a>& a, <span class="keyword">const</span> <a class="code" href="a00001.html" title="Class to represent an instant in time.">AbsTime</a>& b)
<a name="l00132"></a>00132 { <span class="keywordflow">return</span> a.timepoint < b.timepoint; }
<a name="l00133"></a><a class="code" href="a00592.html#ac3c77cc92c43c529cdb904b30b8edaf6">00133</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="a00592.html#ac3c77cc92c43c529cdb904b30b8edaf6">operator></a>(<span class="keyword">const</span> <a class="code" href="a00001.html" title="Class to represent an instant in time.">AbsTime</a>& a, <span class="keyword">const</span> <a class="code" href="a00001.html" title="Class to represent an instant in time.">AbsTime</a>& b)
<a name="l00134"></a>00134 { <span class="keywordflow">return</span> a.timepoint > b.timepoint; }
<a name="l00135"></a>00135
<a name="l00136"></a><a class="code" href="a00103.html#ac0e8512da981ae5950d5716b016cc464">00136</a> <a class="code" href="a00103.html#ac0e8512da981ae5950d5716b016cc464">Duration::Duration</a>(int64_t time0) :
<a name="l00137"></a>00137 nanosecs(time0)
<a name="l00138"></a>00138 {}
<a name="l00139"></a>00139
<a name="l00140"></a><a class="code" href="a00103.html#ada92cfc5a1a0270e101b208b651c5d9f">00140</a> <a class="code" href="a00103.html#ada92cfc5a1a0270e101b208b651c5d9f">Duration::operator int64_t</a>()<span class="keyword"> const</span>
<a name="l00141"></a>00141 <span class="keyword"></span>{ <span class="keywordflow">return</span> nanosecs; }
<a name="l00142"></a>00142
<a name="l00144"></a><a class="code" href="a00592.html#a26856754378fb87f1fe132ebe1f95267">00144</a> <span class="keyword">const</span> <a class="code" href="a00103.html" title="Class to represent the duration between instants of time.">Duration</a> <a class="code" href="a00592.html#a26856754378fb87f1fe132ebe1f95267" title="Nanoseconds per second.">TIME_SEC</a> = 1000*1000*1000;
<a name="l00146"></a><a class="code" href="a00592.html#a7d29b9443ed52ad7fb8a866bb415f9a0">00146</a> <span class="keyword">const</span> <a class="code" href="a00103.html" title="Class to represent the duration between instants of time.">Duration</a> <a class="code" href="a00592.html#a7d29b9443ed52ad7fb8a866bb415f9a0" title="Nanoseconds per millisecond.">TIME_MSEC</a> = 1000*1000;
<a name="l00148"></a><a class="code" href="a00592.html#a4dce4509e1d0c59783a56b8ccf03f59f">00148</a> <span class="keyword">const</span> <a class="code" href="a00103.html" title="Class to represent the duration between instants of time.">Duration</a> <a class="code" href="a00592.html#a4dce4509e1d0c59783a56b8ccf03f59f" title="Nanoseconds per microseconds.">TIME_USEC</a> = 1000;
<a name="l00150"></a><a class="code" href="a00592.html#a9c6c2f454252b1e3ae4995662835990c">00150</a> <span class="keyword">const</span> <a class="code" href="a00103.html" title="Class to represent the duration between instants of time.">Duration</a> <a class="code" href="a00592.html#a9c6c2f454252b1e3ae4995662835990c" title="Nanoseconds per nanosecond.">TIME_NSEC</a> = 1;
<a name="l00151"></a>00151
<a name="l00153"></a><a class="code" href="a00592.html#a3aa132e281f66ba27d5fd25d71043bc0">00153</a> <span class="keyword">const</span> <a class="code" href="a00103.html" title="Class to represent the duration between instants of time.">Duration</a> <a class="code" href="a00592.html#a3aa132e281f66ba27d5fd25d71043bc0" title="Value to represent an infinite timeout.">TIME_INFINITE</a> = std::numeric_limits<int64_t>::max();
<a name="l00154"></a>00154
<a name="l00156"></a><a class="code" href="a00592.html#a848c1c7e84bfc6321240b89caf4a50eb">00156</a> <span class="keyword">const</span> <a class="code" href="a00001.html" title="Class to represent an instant in time.">AbsTime</a> <a class="code" href="a00592.html#a848c1c7e84bfc6321240b89caf4a50eb" title="Absolute time point for the Unix epoch: 1970-01-01T00:00:00.">EPOCH</a> = <a class="code" href="a00001.html#a555e78f7c6826c7a4afabc5c9355b7de">AbsTime::Epoch</a>();
<a name="l00157"></a>00157
<a name="l00159"></a><a class="code" href="a00592.html#a2f812cf237347eabf03aeb424a5d7672">00159</a> <span class="keyword">const</span> <a class="code" href="a00001.html" title="Class to represent an instant in time.">AbsTime</a> <a class="code" href="a00592.html#a2f812cf237347eabf03aeb424a5d7672" title="Time greater than any other time.">FAR_FUTURE</a> = <a class="code" href="a00001.html#af7016ce54c65f48a69eeb89e724cb9d4">AbsTime::FarFuture</a>();
<a name="l00160"></a>00160
<a name="l00162"></a>00162 <a class="code" href="a00482.html#a0b7cbe1dd21be86348943cd971d33a20">QPID_COMMON_EXTERN</a> <span class="keywordtype">void</span> <a class="code" href="a00592.html#a9365c22cb8b0357b1dcf4708f54ef6e9" title="Portable sleep for a number of seconds.">sleep</a>(<span class="keywordtype">int</span> secs);
<a name="l00163"></a>00163
<a name="l00165"></a>00165 <a class="code" href="a00482.html#a0b7cbe1dd21be86348943cd971d33a20">QPID_COMMON_EXTERN</a> <span class="keywordtype">void</span> <a class="code" href="a00592.html#a50712e5d9ed65546bb8b68c95de60d71" title="Portable sleep for a number of microseconds.">usleep</a>(uint64_t usecs);
<a name="l00166"></a>00166
<a name="l00168"></a>00168 <span class="keywordtype">void</span> <a class="code" href="a00592.html#ab4cae85aae24aa15abab5a56f1307738" title="Output formatted date/time for now.">outputFormattedNow</a>(<a class="code" href="a00243.html" title="STL class.">std::ostream</a>&);
<a name="l00169"></a>00169
<a name="l00171"></a>00171 <span class="keywordtype">void</span> <a class="code" href="a00592.html#ab9e3ddd19698382ef3644dbafdb4e6ec" title="Output unformatted nanosecond-resolution time for now.">outputHiresNow</a>(<a class="code" href="a00243.html" title="STL class.">std::ostream</a>&);
<a name="l00172"></a>00172
<a name="l00173"></a>00173 }}
<a name="l00174"></a>00174
<a name="l00175"></a>00175 <span class="preprocessor">#endif </span>
</pre></div></div>
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