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<h1>gr_tpb_detail.h</h1> </div>
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<a href="gr__tpb__detail_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- c++ -*- */</span>
<a name="l00002"></a>00002 <span class="comment">/*</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright 2008 Free Software Foundation, Inc.</span>
<a name="l00004"></a>00004 <span class="comment"> * </span>
<a name="l00005"></a>00005 <span class="comment"> * This file is part of GNU Radio</span>
<a name="l00006"></a>00006 <span class="comment"> * </span>
<a name="l00007"></a>00007 <span class="comment"> * GNU Radio is free software; you can redistribute it and/or modify</span>
<a name="l00008"></a>00008 <span class="comment"> * it under the terms of the GNU General Public License as published by</span>
<a name="l00009"></a>00009 <span class="comment"> * the Free Software Foundation; either version 3, or (at your option)</span>
<a name="l00010"></a>00010 <span class="comment"> * any later version.</span>
<a name="l00011"></a>00011 <span class="comment"> * </span>
<a name="l00012"></a>00012 <span class="comment"> * GNU Radio is distributed in the hope that it will be useful,</span>
<a name="l00013"></a>00013 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00014"></a>00014 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00015"></a>00015 <span class="comment"> * GNU General Public License for more details.</span>
<a name="l00016"></a>00016 <span class="comment"> * </span>
<a name="l00017"></a>00017 <span class="comment"> * You should have received a copy of the GNU General Public License along</span>
<a name="l00018"></a>00018 <span class="comment"> * with this program; if not, write to the Free Software Foundation, Inc.,</span>
<a name="l00019"></a>00019 <span class="comment"> * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.</span>
<a name="l00020"></a>00020 <span class="comment"> */</span>
<a name="l00021"></a>00021 <span class="preprocessor">#ifndef INCLUDED_GR_TPB_DETAIL_H</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#define INCLUDED_GR_TPB_DETAIL_H</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <boost/thread.hpp></span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="keyword">class </span><a class="code" href="classgr__block__detail.html" title="Implementation details to support the signal processing abstractionThis class contains implementation...">gr_block_detail</a>;
<a name="l00027"></a>00027 <span class="comment"></span>
<a name="l00028"></a>00028 <span class="comment">/*!</span>
<a name="l00029"></a>00029 <span class="comment"> * \brief used by thread-per-block scheduler</span>
<a name="l00030"></a>00030 <span class="comment"> */</span>
<a name="l00031"></a><a class="code" href="structgr__tpb__detail.html">00031</a> <span class="keyword">struct </span><a class="code" href="structgr__tpb__detail.html" title="used by thread-per-block scheduler">gr_tpb_detail</a> {
<a name="l00032"></a><a class="code" href="structgr__tpb__detail.html#ac6327809cf9f999b966925b9e74623ec">00032</a> <span class="keyword">typedef</span> boost::unique_lock<boost::mutex> <a class="code" href="structgr__tpb__detail.html#ac6327809cf9f999b966925b9e74623ec">scoped_lock</a>;
<a name="l00033"></a>00033
<a name="l00034"></a><a class="code" href="structgr__tpb__detail.html#a138d65322d5c4ad6d56a24c20113b8aa">00034</a> boost::mutex <a class="code" href="structgr__tpb__detail.html#a138d65322d5c4ad6d56a24c20113b8aa">mutex</a>; <span class="comment">//< protects all vars</span>
<a name="l00035"></a><a class="code" href="structgr__tpb__detail.html#a3410d77a1cb86ae5f67a09b9f556adfd">00035</a> <span class="keywordtype">bool</span> <a class="code" href="structgr__tpb__detail.html#a3410d77a1cb86ae5f67a09b9f556adfd">input_changed</a>;
<a name="l00036"></a><a class="code" href="structgr__tpb__detail.html#aff36489168613278a8123adf0a98afea">00036</a> boost::condition_variable <a class="code" href="structgr__tpb__detail.html#aff36489168613278a8123adf0a98afea">input_cond</a>;
<a name="l00037"></a><a class="code" href="structgr__tpb__detail.html#abade28c82bdbd3b6959421c028859ec8">00037</a> <span class="keywordtype">bool</span> <a class="code" href="structgr__tpb__detail.html#abade28c82bdbd3b6959421c028859ec8">output_changed</a>;
<a name="l00038"></a><a class="code" href="structgr__tpb__detail.html#aba9908c9f94b3392950076cda0793d29">00038</a> boost::condition_variable <a class="code" href="structgr__tpb__detail.html#aba9908c9f94b3392950076cda0793d29">output_cond</a>;
<a name="l00039"></a>00039
<a name="l00040"></a><a class="code" href="structgr__tpb__detail.html#a5b299fb6e398849a0d58d7eb4a194f3a">00040</a> <a class="code" href="structgr__tpb__detail.html#a5b299fb6e398849a0d58d7eb4a194f3a">gr_tpb_detail</a>()
<a name="l00041"></a>00041 : <a class="code" href="structgr__tpb__detail.html#a3410d77a1cb86ae5f67a09b9f556adfd">input_changed</a>(<a class="code" href="gc__types_8h.html#a65e9886d74aaee76545e83dd09011727">false</a>), <a class="code" href="structgr__tpb__detail.html#abade28c82bdbd3b6959421c028859ec8">output_changed</a>(<a class="code" href="gc__types_8h.html#a65e9886d74aaee76545e83dd09011727">false</a>) {}
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="comment"></span>
<a name="l00044"></a>00044 <span class="comment"> //! Called by us to tell all our upstream blocks that their output may have changed.</span>
<a name="l00045"></a>00045 <span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="structgr__tpb__detail.html#a9f6c825786fd71174fe4aacf77afda2f" title="Called by us to tell all our upstream blocks that their output may have changed.">notify_upstream</a>(<a class="code" href="classgr__block__detail.html" title="Implementation details to support the signal processing abstractionThis class contains implementation...">gr_block_detail</a> *d);
<a name="l00046"></a>00046 <span class="comment"></span>
<a name="l00047"></a>00047 <span class="comment"> //! Called by us to tell all our downstream blocks that their input may have changed.</span>
<a name="l00048"></a>00048 <span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="structgr__tpb__detail.html#a83752fb01e57a46c9b5308314e4a7a74" title="Called by us to tell all our downstream blocks that their input may have changed.">notify_downstream</a>(<a class="code" href="classgr__block__detail.html" title="Implementation details to support the signal processing abstractionThis class contains implementation...">gr_block_detail</a> *d);
<a name="l00049"></a>00049 <span class="comment"></span>
<a name="l00050"></a>00050 <span class="comment"> //! Called by us to notify both upstream and downstream</span>
<a name="l00051"></a>00051 <span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="structgr__tpb__detail.html#a9ac531dd6a123f241025b1c515deaa88" title="Called by us to notify both upstream and downstream.">notify_neighbors</a>(<a class="code" href="classgr__block__detail.html" title="Implementation details to support the signal processing abstractionThis class contains implementation...">gr_block_detail</a> *d);
<a name="l00052"></a>00052 <span class="comment"></span>
<a name="l00053"></a>00053 <span class="comment"> //! Called by us</span>
<a name="l00054"></a><a class="code" href="structgr__tpb__detail.html#ab16a5e289bfa2fa3ab6c84d327eb8a7b">00054</a> <span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="structgr__tpb__detail.html#ab16a5e289bfa2fa3ab6c84d327eb8a7b" title="Called by us.">clear_changed</a>()
<a name="l00055"></a>00055 {
<a name="l00056"></a>00056 <a class="code" href="structgr__tpb__detail.html#ac6327809cf9f999b966925b9e74623ec">scoped_lock</a> guard(<a class="code" href="structgr__tpb__detail.html#a138d65322d5c4ad6d56a24c20113b8aa">mutex</a>);
<a name="l00057"></a>00057 <a class="code" href="structgr__tpb__detail.html#a3410d77a1cb86ae5f67a09b9f556adfd">input_changed</a> = <span class="keyword">false</span>;
<a name="l00058"></a>00058 <a class="code" href="structgr__tpb__detail.html#abade28c82bdbd3b6959421c028859ec8">output_changed</a> = <span class="keyword">false</span>;
<a name="l00059"></a>00059 }
<a name="l00060"></a>00060
<a name="l00061"></a>00061 <span class="keyword">private</span>:
<a name="l00062"></a>00062 <span class="comment"></span>
<a name="l00063"></a>00063 <span class="comment"> //! Used by notify_downstream</span>
<a name="l00064"></a>00064 <span class="comment"></span> <span class="keywordtype">void</span> set_input_changed()
<a name="l00065"></a>00065 {
<a name="l00066"></a>00066 <a class="code" href="structgr__tpb__detail.html#ac6327809cf9f999b966925b9e74623ec">scoped_lock</a> guard(<a class="code" href="structgr__tpb__detail.html#a138d65322d5c4ad6d56a24c20113b8aa">mutex</a>);
<a name="l00067"></a>00067 <a class="code" href="structgr__tpb__detail.html#a3410d77a1cb86ae5f67a09b9f556adfd">input_changed</a> = <span class="keyword">true</span>;
<a name="l00068"></a>00068 <a class="code" href="structgr__tpb__detail.html#aff36489168613278a8123adf0a98afea">input_cond</a>.notify_one();
<a name="l00069"></a>00069 }
<a name="l00070"></a>00070 <span class="comment"></span>
<a name="l00071"></a>00071 <span class="comment"> //! Used by notify_upstream</span>
<a name="l00072"></a>00072 <span class="comment"></span> <span class="keywordtype">void</span> set_output_changed()
<a name="l00073"></a>00073 {
<a name="l00074"></a>00074 <a class="code" href="structgr__tpb__detail.html#ac6327809cf9f999b966925b9e74623ec">scoped_lock</a> guard(<a class="code" href="structgr__tpb__detail.html#a138d65322d5c4ad6d56a24c20113b8aa">mutex</a>);
<a name="l00075"></a>00075 <a class="code" href="structgr__tpb__detail.html#abade28c82bdbd3b6959421c028859ec8">output_changed</a> = <span class="keyword">true</span>;
<a name="l00076"></a>00076 <a class="code" href="structgr__tpb__detail.html#aba9908c9f94b3392950076cda0793d29">output_cond</a>.notify_one();
<a name="l00077"></a>00077 }
<a name="l00078"></a>00078
<a name="l00079"></a>00079 };
<a name="l00080"></a>00080
<a name="l00081"></a>00081 <span class="preprocessor">#endif </span><span class="comment">/* INCLUDED_GR_TPB_DETAIL_H */</span>
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