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<h1>sharedptr.h</h1><a href="sharedptr_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * Copyright 2004 Murray Cumming</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
<a name="l00005"></a>00005 <span class="comment"> * modify it under the terms of the GNU Library General Public</span>
<a name="l00006"></a>00006 <span class="comment"> * License as published by the Free Software Foundation; either</span>
<a name="l00007"></a>00007 <span class="comment"> * version 2 of the License, or (at your option) any later version.</span>
<a name="l00008"></a>00008 <span class="comment"> *</span>
<a name="l00009"></a>00009 <span class="comment"> * This library is distributed in the hope that it will be useful,</span>
<a name="l00010"></a>00010 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00011"></a>00011 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00012"></a>00012 <span class="comment"> * Library General Public License for more details.</span>
<a name="l00013"></a>00013 <span class="comment"> *</span>
<a name="l00014"></a>00014 <span class="comment"> * You should have received a copy of the GNU Library General Public</span>
<a name="l00015"></a>00015 <span class="comment"> * License along with this library; if not, write to the Free</span>
<a name="l00016"></a>00016 <span class="comment"> * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.</span>
<a name="l00017"></a>00017 <span class="comment"> */</span>
<a name="l00018"></a>00018
<a name="l00019"></a>00019 <span class="preprocessor">#ifndef BAKERY_UTILITIES_SHAREDPTR_H</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span><span class="preprocessor">#define BAKERY_UTILITIES_SHAREDPTR_H</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include <iostream></span> <span class="comment">//Just for debugging.</span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="keyword">namespace </span>Bakery
<a name="l00025"></a>00025 {
<a name="l00026"></a>00026
<a name="l00030"></a>00030 <span class="keyword">template</span>< <span class="keyword">typename</span> T_obj >
<a name="l00031"></a><a class="code" href="classBakery_1_1sharedptr.html">00031</a> <span class="keyword">class </span><a class="code" href="classBakery_1_1sharedptr.html" title="A shared reference-counting smart-pointer.">sharedptr</a>
<a name="l00032"></a>00032 {
<a name="l00033"></a>00033 <span class="keyword">public</span>:
<a name="l00034"></a><a class="code" href="classBakery_1_1sharedptr.html#646d2a5108f6b75ed67450dbcddaf810">00034</a> <span class="keyword">typedef</span> <span class="keywordtype">size_t</span> <a class="code" href="classBakery_1_1sharedptr.html#646d2a5108f6b75ed67450dbcddaf810">size_type</a>;
<a name="l00035"></a>00035
<a name="l00037"></a>00037 <a class="code" href="classBakery_1_1sharedptr.html#51ce729978d0941d4edf45303edd5dc2" title="Allocate a new instance.">sharedptr</a>();
<a name="l00038"></a>00038
<a name="l00040"></a>00040 <span class="keyword">explicit</span> <a class="code" href="classBakery_1_1sharedptr.html#51ce729978d0941d4edf45303edd5dc2" title="Allocate a new instance.">sharedptr</a>(T_obj* pobj);
<a name="l00041"></a>00041
<a name="l00043"></a>00043 <a class="code" href="classBakery_1_1sharedptr.html#51ce729978d0941d4edf45303edd5dc2" title="Allocate a new instance.">sharedptr</a>(<span class="keyword">const</span> <a class="code" href="classBakery_1_1sharedptr.html" title="A shared reference-counting smart-pointer.">sharedptr</a>& src);
<a name="l00044"></a>00044
<a name="l00046"></a>00046 <a class="code" href="classBakery_1_1sharedptr.html" title="A shared reference-counting smart-pointer.">sharedptr</a>& <a class="code" href="classBakery_1_1sharedptr.html#30beb1671a14c2a4f4131405500ccc1c" title="Share ownership.">operator=</a>(<span class="keyword">const</span> <a class="code" href="classBakery_1_1sharedptr.html" title="A shared reference-counting smart-pointer.">sharedptr</a>& src);
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <span class="keyword">virtual</span> <a class="code" href="classBakery_1_1sharedptr.html#66cd61f1d86c307eca633e908e53015a">~sharedptr</a>();
<a name="l00049"></a>00049
<a name="l00052"></a>00052 <span class="keyword">inline</span> T_obj& <a class="code" href="classBakery_1_1sharedptr.html#04d2645057df5aff35933d7c4a721f1a" title="Dereferencing.">operator*</a>();
<a name="l00053"></a>00053
<a name="l00056"></a>00056 <span class="keyword">inline</span> <span class="keyword">const</span> T_obj& <a class="code" href="classBakery_1_1sharedptr.html#04d2645057df5aff35933d7c4a721f1a" title="Dereferencing.">operator*</a>() <span class="keyword">const</span>;
<a name="l00057"></a>00057
<a name="l00065"></a>00065 <span class="keyword">inline</span> T_obj* <a class="code" href="classBakery_1_1sharedptr.html#8e9a6af6a2d80b472669edd1d6c806f5" title="Dereferencing.">operator-></a>() <span class="keyword">const</span>;
<a name="l00066"></a>00066
<a name="l00075"></a>00075 <span class="keyword">inline</span> <a class="code" href="classBakery_1_1sharedptr.html#c365d19098b216db86f7f38fcbe919ee" title="Test whether the RefPtr&lt;&gt; points to any underlying instance.">operator bool</a>() <span class="keyword">const</span>;
<a name="l00076"></a>00076
<a name="l00078"></a>00078 <span class="keyword">inline</span> T_obj* <a class="code" href="classBakery_1_1sharedptr.html#d8b9dcc5403fbb5adb63d84fef66b66a" title="Get the underlying instance:.">obj</a>();
<a name="l00079"></a>00079
<a name="l00081"></a>00081 <span class="keyword">inline</span> <span class="keyword">const</span> T_obj* <a class="code" href="classBakery_1_1sharedptr.html#d8b9dcc5403fbb5adb63d84fef66b66a" title="Get the underlying instance:.">obj</a>() <span class="keyword">const</span>;
<a name="l00082"></a>00082
<a name="l00083"></a>00083
<a name="l00084"></a>00084 <span class="keyword">protected</span>:
<a name="l00085"></a>00085 <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classBakery_1_1sharedptr.html#8713e07f838779557de89ea184dc9a3f">ref</a>();
<a name="l00086"></a>00086 <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classBakery_1_1sharedptr.html#2ef5266b86fb825c0dec0a90b1dc656a">unref</a>();
<a name="l00087"></a>00087
<a name="l00088"></a><a class="code" href="classBakery_1_1sharedptr.html#e5bf7b5de95fdde3eb6904e192040fe8">00088</a> <a class="code" href="classBakery_1_1sharedptr.html#646d2a5108f6b75ed67450dbcddaf810">size_type</a>* <a class="code" href="classBakery_1_1sharedptr.html#e5bf7b5de95fdde3eb6904e192040fe8">m_pRefCount</a>; <span class="comment">//Shared between instances, by copying.</span>
<a name="l00089"></a><a class="code" href="classBakery_1_1sharedptr.html#2690c10c5f2e9f06b1518852f02b43e9">00089</a> T_obj* <a class="code" href="classBakery_1_1sharedptr.html#2690c10c5f2e9f06b1518852f02b43e9">m_pobj</a>; <span class="comment">//The underlying instance.</span>
<a name="l00090"></a>00090 };
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="keyword">template</span>< <span class="keyword">typename</span> T_obj>
<a name="l00093"></a><a class="code" href="classBakery_1_1sharedptr.html#51ce729978d0941d4edf45303edd5dc2">00093</a> <a class="code" href="classBakery_1_1sharedptr.html" title="A shared reference-counting smart-pointer.">sharedptr<T_obj>::sharedptr</a>()
<a name="l00094"></a>00094 : m_pRefCount(0), m_pobj(0)
<a name="l00095"></a>00095 {
<a name="l00096"></a>00096
<a name="l00097"></a>00097 }
<a name="l00098"></a>00098
<a name="l00099"></a>00099 <span class="keyword">template</span>< <span class="keyword">typename</span> T_obj>
<a name="l00100"></a><a class="code" href="classBakery_1_1sharedptr.html#e1a50215974894144db8941353f34d0e">00100</a> <a class="code" href="classBakery_1_1sharedptr.html" title="A shared reference-counting smart-pointer.">sharedptr<T_obj>::sharedptr</a>(T_obj* pobj)
<a name="l00101"></a>00101 : m_pRefCount(0), m_pobj(pobj)
<a name="l00102"></a>00102 {
<a name="l00103"></a>00103 <span class="comment">//Start refcounting:</span>
<a name="l00104"></a>00104 <a class="code" href="classBakery_1_1sharedptr.html#8713e07f838779557de89ea184dc9a3f">ref</a>();
<a name="l00105"></a>00105 }
<a name="l00106"></a>00106
<a name="l00107"></a>00107 <span class="keyword">template</span>< <span class="keyword">typename</span> T_obj>
<a name="l00108"></a><a class="code" href="classBakery_1_1sharedptr.html#d7286e52454d63a602351439210df05c">00108</a> <a class="code" href="classBakery_1_1sharedptr.html" title="A shared reference-counting smart-pointer.">sharedptr<T_obj>::sharedptr</a>(<span class="keyword">const</span> <a class="code" href="classBakery_1_1sharedptr.html" title="A shared reference-counting smart-pointer.">sharedptr<T_obj></a>& src)
<a name="l00109"></a>00109 : <a class="code" href="classBakery_1_1sharedptr.html#e5bf7b5de95fdde3eb6904e192040fe8">m_pRefCount</a>(src.<a class="code" href="classBakery_1_1sharedptr.html#e5bf7b5de95fdde3eb6904e192040fe8">m_pRefCount</a>), <a class="code" href="classBakery_1_1sharedptr.html#2690c10c5f2e9f06b1518852f02b43e9">m_pobj</a>(src.<a class="code" href="classBakery_1_1sharedptr.html#2690c10c5f2e9f06b1518852f02b43e9">m_pobj</a>)
<a name="l00110"></a>00110 {
<a name="l00111"></a>00111 <a class="code" href="classBakery_1_1sharedptr.html#8713e07f838779557de89ea184dc9a3f">ref</a>();
<a name="l00112"></a>00112 }
<a name="l00113"></a>00113
<a name="l00114"></a>00114 <span class="keyword">template</span>< <span class="keyword">typename</span> T_obj>
<a name="l00115"></a><a class="code" href="classBakery_1_1sharedptr.html#30beb1671a14c2a4f4131405500ccc1c">00115</a> <a class="code" href="classBakery_1_1sharedptr.html" title="A shared reference-counting smart-pointer.">sharedptr<T_obj></a>& <a class="code" href="classBakery_1_1sharedptr.html" title="A shared reference-counting smart-pointer.">sharedptr<T_obj>::operator=</a>(<span class="keyword">const</span> <a class="code" href="classBakery_1_1sharedptr.html" title="A shared reference-counting smart-pointer.">sharedptr<T_obj></a>& src)
<a name="l00116"></a>00116 {
<a name="l00117"></a>00117 <span class="comment">//std::cout << "sharedptr& operator=(const sharedptr& src)" << std::endl;</span>
<a name="l00118"></a>00118 <span class="keywordflow">if</span>(&src != <span class="keyword">this</span>)
<a name="l00119"></a>00119 {
<a name="l00120"></a>00120 <span class="comment">//Unref any existing stuff.</span>
<a name="l00121"></a>00121 <span class="comment">//operator= can never run before a constructor, so these values will be initialized already.</span>
<a name="l00122"></a>00122 <span class="keywordflow">if</span>(<a class="code" href="classBakery_1_1sharedptr.html#2690c10c5f2e9f06b1518852f02b43e9">m_pobj</a>) <span class="comment">//The if() might not be required.</span>
<a name="l00123"></a>00123 {
<a name="l00124"></a>00124 <a class="code" href="classBakery_1_1sharedptr.html#2ef5266b86fb825c0dec0a90b1dc656a">unref</a>(); <span class="comment">//Could cause a deallocation.</span>
<a name="l00125"></a>00125 }
<a name="l00126"></a>00126
<a name="l00127"></a>00127 <span class="comment">//Copy:</span>
<a name="l00128"></a>00128 <a class="code" href="classBakery_1_1sharedptr.html#2690c10c5f2e9f06b1518852f02b43e9">m_pobj</a> = src.<a class="code" href="classBakery_1_1sharedptr.html#2690c10c5f2e9f06b1518852f02b43e9">m_pobj</a>;
<a name="l00129"></a>00129
<a name="l00130"></a>00130 <a class="code" href="classBakery_1_1sharedptr.html#e5bf7b5de95fdde3eb6904e192040fe8">m_pRefCount</a> = src.<a class="code" href="classBakery_1_1sharedptr.html#e5bf7b5de95fdde3eb6904e192040fe8">m_pRefCount</a>;
<a name="l00131"></a>00131 <a class="code" href="classBakery_1_1sharedptr.html#8713e07f838779557de89ea184dc9a3f">ref</a>();
<a name="l00132"></a>00132 }
<a name="l00133"></a>00133
<a name="l00134"></a>00134 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00135"></a>00135 }
<a name="l00136"></a>00136
<a name="l00137"></a>00137 <span class="keyword">template</span>< <span class="keyword">typename</span> T_obj>
<a name="l00138"></a><a class="code" href="classBakery_1_1sharedptr.html#66cd61f1d86c307eca633e908e53015a">00138</a> <a class="code" href="classBakery_1_1sharedptr.html" title="A shared reference-counting smart-pointer.">sharedptr<T_obj>::~sharedptr</a>()
<a name="l00139"></a>00139 {
<a name="l00140"></a>00140 <a class="code" href="classBakery_1_1sharedptr.html#2ef5266b86fb825c0dec0a90b1dc656a">unref</a>();
<a name="l00141"></a>00141 }
<a name="l00142"></a>00142
<a name="l00143"></a>00143 <span class="comment">/*</span>
<a name="l00144"></a>00144 <span class="comment">template< typename T_obj></span>
<a name="l00145"></a>00145 <span class="comment">void sharedptr<T_obj>::clear_without_deallocating()</span>
<a name="l00146"></a>00146 <span class="comment">{</span>
<a name="l00147"></a>00147 <span class="comment"> m_pobj = 0;</span>
<a name="l00148"></a>00148 <span class="comment">}</span>
<a name="l00149"></a>00149 <span class="comment">*/</span>
<a name="l00150"></a>00150
<a name="l00151"></a>00151 <span class="keyword">template</span>< <span class="keyword">typename</span> T_obj>
<a name="l00152"></a>00152 <span class="keyword">inline</span>
<a name="l00153"></a><a class="code" href="classBakery_1_1sharedptr.html#d8b9dcc5403fbb5adb63d84fef66b66a">00153</a> T_obj* <a class="code" href="classBakery_1_1sharedptr.html" title="A shared reference-counting smart-pointer.">sharedptr<T_obj>::obj</a>()
<a name="l00154"></a>00154 {
<a name="l00155"></a>00155 <span class="keywordflow">return</span> <a class="code" href="classBakery_1_1sharedptr.html#2690c10c5f2e9f06b1518852f02b43e9">m_pobj</a>;
<a name="l00156"></a>00156 }
<a name="l00157"></a>00157
<a name="l00158"></a>00158 <span class="keyword">template</span>< <span class="keyword">typename</span> T_obj>
<a name="l00159"></a>00159 <span class="keyword">inline</span>
<a name="l00160"></a><a class="code" href="classBakery_1_1sharedptr.html#8616b27defef4d444fe193e0d8f12abe">00160</a> <span class="keyword">const</span> T_obj* <a class="code" href="classBakery_1_1sharedptr.html" title="A shared reference-counting smart-pointer.">sharedptr<T_obj>::obj</a>()<span class="keyword"> const</span>
<a name="l00161"></a>00161 <span class="keyword"></span>{
<a name="l00162"></a>00162 <span class="keywordflow">return</span> <a class="code" href="classBakery_1_1sharedptr.html#2690c10c5f2e9f06b1518852f02b43e9">m_pobj</a>;
<a name="l00163"></a>00163 }
<a name="l00164"></a>00164
<a name="l00165"></a>00165 <span class="keyword">template</span>< <span class="keyword">typename</span> T_obj>
<a name="l00166"></a>00166 <span class="keyword">inline</span>
<a name="l00167"></a><a class="code" href="classBakery_1_1sharedptr.html#04d2645057df5aff35933d7c4a721f1a">00167</a> T_obj& <a class="code" href="classBakery_1_1sharedptr.html" title="A shared reference-counting smart-pointer.">sharedptr<T_obj>::operator*</a>()
<a name="l00168"></a>00168 {
<a name="l00169"></a>00169 <span class="keywordflow">return</span> *<a class="code" href="classBakery_1_1sharedptr.html#2690c10c5f2e9f06b1518852f02b43e9">m_pobj</a>;
<a name="l00170"></a>00170 }
<a name="l00171"></a>00171
<a name="l00172"></a>00172 <span class="keyword">template</span>< <span class="keyword">typename</span> T_obj>
<a name="l00173"></a>00173 <span class="keyword">inline</span>
<a name="l00174"></a><a class="code" href="classBakery_1_1sharedptr.html#727696dbd7efe33f13eefe955d882f7b">00174</a> <span class="keyword">const</span> T_obj& <a class="code" href="classBakery_1_1sharedptr.html" title="A shared reference-counting smart-pointer.">sharedptr<T_obj>::operator*</a>()<span class="keyword"> const</span>
<a name="l00175"></a>00175 <span class="keyword"></span>{
<a name="l00176"></a>00176 <span class="keywordflow">return</span> *<a class="code" href="classBakery_1_1sharedptr.html#2690c10c5f2e9f06b1518852f02b43e9">m_pobj</a>;
<a name="l00177"></a>00177 }
<a name="l00178"></a>00178
<a name="l00179"></a>00179 <span class="keyword">template</span>< <span class="keyword">typename</span> T_obj>
<a name="l00180"></a>00180 <span class="keyword">inline</span>
<a name="l00181"></a><a class="code" href="classBakery_1_1sharedptr.html#8e9a6af6a2d80b472669edd1d6c806f5">00181</a> T_obj* <a class="code" href="classBakery_1_1sharedptr.html" title="A shared reference-counting smart-pointer.">sharedptr<T_obj>::operator-></a>()<span class="keyword"> const</span>
<a name="l00182"></a>00182 <span class="keyword"></span>{
<a name="l00183"></a>00183 <span class="keywordflow">return</span> <a class="code" href="classBakery_1_1sharedptr.html#2690c10c5f2e9f06b1518852f02b43e9">m_pobj</a>;
<a name="l00184"></a>00184 }
<a name="l00185"></a>00185
<a name="l00186"></a>00186 <span class="keyword">template</span> <<span class="keyword">class</span> T_obj>
<a name="l00187"></a>00187 <span class="keyword">inline</span>
<a name="l00188"></a><a class="code" href="classBakery_1_1sharedptr.html#c365d19098b216db86f7f38fcbe919ee">00188</a> <a class="code" href="classBakery_1_1sharedptr.html" title="A shared reference-counting smart-pointer.">sharedptr<T_obj>::operator bool</a>()<span class="keyword"> const</span>
<a name="l00189"></a>00189 <span class="keyword"></span>{
<a name="l00190"></a>00190 <span class="keywordflow">return</span> (<a class="code" href="classBakery_1_1sharedptr.html#2690c10c5f2e9f06b1518852f02b43e9">m_pobj</a> != 0);
<a name="l00191"></a>00191 }
<a name="l00192"></a>00192
<a name="l00193"></a>00193
<a name="l00194"></a>00194 <span class="keyword">template</span> <<span class="keyword">class</span> T_obj>
<a name="l00195"></a>00195 <span class="keyword">inline</span>
<a name="l00196"></a><a class="code" href="classBakery_1_1sharedptr.html#8713e07f838779557de89ea184dc9a3f">00196</a> <span class="keywordtype">void</span> <a class="code" href="classBakery_1_1sharedptr.html" title="A shared reference-counting smart-pointer.">sharedptr<T_obj>::ref</a>()
<a name="l00197"></a>00197 {
<a name="l00198"></a>00198 <span class="keywordflow">if</span>(<a class="code" href="classBakery_1_1sharedptr.html#2690c10c5f2e9f06b1518852f02b43e9">m_pobj</a>) <span class="comment">//Don't waste time on invalid instances. These would be very rare anyway, and intentionally created with (0,0) construction.</span>
<a name="l00199"></a>00199 {
<a name="l00200"></a>00200 <span class="keywordflow">if</span>(<a class="code" href="classBakery_1_1sharedptr.html#e5bf7b5de95fdde3eb6904e192040fe8">m_pRefCount</a> == 0)
<a name="l00201"></a>00201 {
<a name="l00202"></a>00202 <span class="comment">//std::cout << "sharedptr::ref(): first ref" << std::endl;</span>
<a name="l00203"></a>00203 <span class="comment">//First ref, so allocate the shared count:</span>
<a name="l00204"></a>00204 <a class="code" href="classBakery_1_1sharedptr.html#e5bf7b5de95fdde3eb6904e192040fe8">m_pRefCount</a> = <span class="keyword">new</span> <a class="code" href="classBakery_1_1sharedptr.html#646d2a5108f6b75ed67450dbcddaf810">size_type</a>();
<a name="l00205"></a>00205 *<a class="code" href="classBakery_1_1sharedptr.html#e5bf7b5de95fdde3eb6904e192040fe8">m_pRefCount</a> = 1;
<a name="l00206"></a>00206 }
<a name="l00207"></a>00207 <span class="keywordflow">else</span>
<a name="l00208"></a>00208 {
<a name="l00209"></a>00209 <span class="comment">//std::cout << "sharedptr::ref(): starting at" << *m_pRefCount << std::endl;</span>
<a name="l00210"></a>00210 (*m_pRefCount)++;
<a name="l00211"></a>00211 }
<a name="l00212"></a>00212 }
<a name="l00213"></a>00213 }
<a name="l00214"></a>00214
<a name="l00215"></a>00215 <span class="keyword">template</span> <<span class="keyword">class</span> T_obj>
<a name="l00216"></a>00216 <span class="keyword">inline</span>
<a name="l00217"></a><a class="code" href="classBakery_1_1sharedptr.html#2ef5266b86fb825c0dec0a90b1dc656a">00217</a> <span class="keywordtype">void</span> <a class="code" href="classBakery_1_1sharedptr.html" title="A shared reference-counting smart-pointer.">sharedptr<T_obj>::unref</a>()
<a name="l00218"></a>00218 {
<a name="l00219"></a>00219 <span class="keywordflow">if</span>(<a class="code" href="classBakery_1_1sharedptr.html#e5bf7b5de95fdde3eb6904e192040fe8">m_pRefCount</a>)
<a name="l00220"></a>00220 {
<a name="l00221"></a>00221 <span class="comment">//std::cout << "sharedptr::unref(): starting at " << *m_pRefCount << std::endl;</span>
<a name="l00222"></a>00222
<a name="l00223"></a>00223 <span class="keywordflow">if</span>( (*<a class="code" href="classBakery_1_1sharedptr.html#e5bf7b5de95fdde3eb6904e192040fe8">m_pRefCount</a>) > 0 )
<a name="l00224"></a>00224 (*m_pRefCount)--;
<a name="l00225"></a>00225
<a name="l00226"></a>00226 <span class="comment">//Unalloc if this is the last user of the obj:</span>
<a name="l00227"></a>00227 <span class="keywordflow">if</span>(*<a class="code" href="classBakery_1_1sharedptr.html#e5bf7b5de95fdde3eb6904e192040fe8">m_pRefCount</a> == 0)
<a name="l00228"></a>00228 {
<a name="l00229"></a>00229 <span class="keywordflow">if</span>(<a class="code" href="classBakery_1_1sharedptr.html#2690c10c5f2e9f06b1518852f02b43e9">m_pobj</a>)
<a name="l00230"></a>00230 {
<a name="l00231"></a>00231 <span class="comment">//try</span>
<a name="l00232"></a>00232 <span class="comment">//{</span>
<a name="l00233"></a>00233 <span class="comment">//std::cout << "sharedptr::unref(): deallocating " << *m_pRefCount << std::endl;</span>
<a name="l00234"></a>00234 <span class="keyword">delete</span> <a class="code" href="classBakery_1_1sharedptr.html#2690c10c5f2e9f06b1518852f02b43e9">m_pobj</a>;
<a name="l00235"></a>00235 <a class="code" href="classBakery_1_1sharedptr.html#2690c10c5f2e9f06b1518852f02b43e9">m_pobj</a> = 0;
<a name="l00236"></a>00236 <span class="comment">//}</span>
<a name="l00237"></a>00237 <span class="comment">/*</span>
<a name="l00238"></a>00238 <span class="comment"> catch(ex_base&)</span>
<a name="l00239"></a>00239 <span class="comment"> {</span>
<a name="l00240"></a>00240 <span class="comment"> //std::cout << "sharedptr::unref(): exception thrown during deallocation." << std::endl;</span>
<a name="l00241"></a>00241 <span class="comment"> //Ignore it. Can't throw an expection up to the destructor.</span>
<a name="l00242"></a>00242 <span class="comment"> }</span>
<a name="l00243"></a>00243 <span class="comment"> */</span>
<a name="l00244"></a>00244
<a name="l00245"></a>00245 <a class="code" href="classBakery_1_1sharedptr.html#2690c10c5f2e9f06b1518852f02b43e9">m_pobj</a> = 0;
<a name="l00246"></a>00246 }
<a name="l00247"></a>00247
<a name="l00248"></a>00248 <span class="comment">//Clear ref count:</span>
<a name="l00249"></a>00249 <span class="keyword">delete</span> <a class="code" href="classBakery_1_1sharedptr.html#e5bf7b5de95fdde3eb6904e192040fe8">m_pRefCount</a>;
<a name="l00250"></a>00250 <a class="code" href="classBakery_1_1sharedptr.html#e5bf7b5de95fdde3eb6904e192040fe8">m_pRefCount</a> = 0;
<a name="l00251"></a>00251 }
<a name="l00252"></a>00252 }
<a name="l00253"></a>00253 <span class="keywordflow">else</span>
<a name="l00254"></a>00254 {
<a name="l00255"></a>00255 <span class="comment">//std::cout << "sharedptr::unref(): ref not setup." << std::endl;</span>
<a name="l00256"></a>00256 }
<a name="l00257"></a>00257
<a name="l00258"></a>00258 }
<a name="l00259"></a>00259
<a name="l00260"></a>00260
<a name="l00261"></a>00261 } <span class="comment">//namespace</span>
<a name="l00262"></a>00262
<a name="l00263"></a>00263 <span class="preprocessor">#endif //BAKERY_UTILITIES_SHAREDPTR_H</span>
<a name="l00264"></a>00264 <span class="preprocessor"></span>
</pre></div></div>
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