doc/oscl_html/oscl__refcounter__memfrag_8h_source.html


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<h1>oscl_refcounter_memfrag.h</h1><a href="oscl__refcounter__memfrag_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 
<a name="l00004"></a>00004 <span class="comment">//           O S C L _ R E F C O U N T E R _ M E M F R A G</span>
<a name="l00005"></a>00005 
<a name="l00006"></a>00006 <span class="comment">// = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =</span>
<a name="l00007"></a>00007 
<a name="l00023"></a>00023 <span class="preprocessor">#ifndef OSCL_REFCOUNTER_MEMFRAG_H_INCLUDED</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor">#define OSCL_REFCOUNTER_MEMFRAG_H_INCLUDED</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span>
<a name="l00026"></a>00026 <span class="preprocessor">#ifndef OSCL_BASE_H_INCLUDED</span>
<a name="l00027"></a>00027 <span class="preprocessor"></span><span class="preprocessor">#include &quot;<a class="code" href="oscl__base_8h.html" title="The file oscl_base.h is the public header that should be included to pick up the...">oscl_base.h</a>&quot;</span>
<a name="l00028"></a>00028 <span class="preprocessor">#endif</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span>
<a name="l00030"></a>00030 <span class="preprocessor">#ifndef OSCL_REFCOUNTER_H_INCLUDED</span>
<a name="l00031"></a>00031 <span class="preprocessor"></span><span class="preprocessor">#include &quot;<a class="code" href="oscl__refcounter_8h.html" title="A general purpose reference counter to object lifetimes.">oscl_refcounter.h</a>&quot;</span>
<a name="l00032"></a>00032 <span class="preprocessor">#endif</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span>
<a name="l00034"></a>00034 
<a name="l00039"></a><a class="code" href="classOsclRefCounterMemFrag.html">00039</a> <span class="keyword">class </span><a class="code" href="classOsclRefCounterMemFrag.html">OsclRefCounterMemFrag</a>
<a name="l00040"></a>00040 {
<a name="l00041"></a>00041     <span class="keyword">public</span>:
<a name="l00042"></a>00042 
<a name="l00053"></a>00053         <a class="code" href="classOsclRefCounterMemFrag.html#a5af9dfeb79f994a1fe24c0886e4d47ea">OsclRefCounterMemFrag</a>(<a class="code" href="structOsclMemoryFragment.html">OsclMemoryFragment</a> &amp;m, <a class="code" href="classOsclRefCounter.html">OsclRefCounter</a> *r,
<a name="l00054"></a><a class="code" href="classOsclRefCounterMemFrag.html#af092328bb9f4f7e9a0f31fb70083d7cc">00054</a>                               uint32 in_capacity) :
<a name="l00055"></a>00055                 memfrag(m), refcnt(r), capacity(in_capacity)
<a name="l00056"></a>00056                 <span class="comment">// no need to increment refcnt--it should already be done.</span>
<a name="l00057"></a>00057         {}
<a name="l00058"></a>00058 
<a name="l00062"></a>00062         <a class="code" href="classOsclRefCounterMemFrag.html#a5af9dfeb79f994a1fe24c0886e4d47ea">OsclRefCounterMemFrag</a>(<span class="keyword">const</span> <a class="code" href="classOsclRefCounterMemFrag.html">OsclRefCounterMemFrag</a> &amp;x) :
<a name="l00063"></a>00063                 memfrag(x.memfrag), refcnt(x.refcnt), capacity(x.capacity)
<a name="l00064"></a>00064         {
<a name="l00065"></a>00065             <span class="keywordflow">if</span> (refcnt)
<a name="l00066"></a><a class="code" href="classOsclRefCounterMemFrag.html#a5af9dfeb79f994a1fe24c0886e4d47ea">00066</a>             {
<a name="l00067"></a>00067                 refcnt-&gt;<a class="code" href="classOsclRefCounter.html#a36656788a3ab2b554bc7e917bf6a4adb">addRef</a>();
<a name="l00068"></a>00068             }
<a name="l00069"></a>00069         }
<a name="l00070"></a>00070 
<a name="l00074"></a>00074         <a class="code" href="classOsclRefCounterMemFrag.html#a5af9dfeb79f994a1fe24c0886e4d47ea">OsclRefCounterMemFrag</a>()
<a name="l00075"></a>00075         {
<a name="l00076"></a>00076             memfrag.<a class="code" href="structOsclMemoryFragment.html#a3374074fa288b1f307fcff0a047b6ac1">ptr</a> = 0;
<a name="l00077"></a>00077             memfrag.<a class="code" href="structOsclMemoryFragment.html#ab7432af4094176ee6ce7384f2da10a35">len</a> = 0;
<a name="l00078"></a><a class="code" href="classOsclRefCounterMemFrag.html#a57472e3f083c9cd207e60535e9bacf3b">00078</a>             refcnt = 0;
<a name="l00079"></a>00079             capacity = 0;
<a name="l00080"></a>00080         }
<a name="l00081"></a>00081 
<a name="l00082"></a>00082 
<a name="l00086"></a>00086         <a class="code" href="classOsclRefCounterMemFrag.html">OsclRefCounterMemFrag</a>&amp; <a class="code" href="classOsclRefCounterMemFrag.html#a57472e3f083c9cd207e60535e9bacf3b">operator= </a>(<span class="keyword">const</span> <a class="code" href="classOsclRefCounterMemFrag.html">OsclRefCounterMemFrag</a> &amp;x)
<a name="l00087"></a>00087         {
<a name="l00088"></a>00088             <span class="keywordflow">if</span> (<span class="keyword">this</span> == &amp;x)
<a name="l00089"></a>00089             {
<a name="l00090"></a>00090                 <span class="comment">// protect against self-assignment</span>
<a name="l00091"></a>00091                 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00092"></a>00092             }
<a name="l00093"></a>00093 
<a name="l00094"></a>00094             <span class="comment">// remove ref for current memfrag</span>
<a name="l00095"></a>00095             <span class="keywordflow">if</span> (refcnt)
<a name="l00096"></a>00096             {
<a name="l00097"></a>00097                 refcnt-&gt;<a class="code" href="classOsclRefCounter.html#aa7b138fd57f149a575356e51ee2d4451">removeRef</a>();
<a name="l00098"></a>00098             }
<a name="l00099"></a>00099 
<a name="l00100"></a>00100             <span class="comment">// copy assigned object</span>
<a name="l00101"></a>00101             memfrag = x.memfrag;
<a name="l00102"></a>00102             refcnt = x.refcnt;
<a name="l00103"></a>00103             capacity = x.capacity;
<a name="l00104"></a>00104 
<a name="l00105"></a>00105             <span class="comment">// add ref for new memfrag</span>
<a name="l00106"></a>00106             <span class="keywordflow">if</span> (refcnt)
<a name="l00107"></a>00107             {
<a name="l00108"></a>00108                 refcnt-&gt;<a class="code" href="classOsclRefCounter.html#a36656788a3ab2b554bc7e917bf6a4adb">addRef</a>();
<a name="l00109"></a>00109             }
<a name="l00110"></a>00110 
<a name="l00111"></a>00111             <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00112"></a>00112         }
<a name="l00113"></a><a class="code" href="classOsclRefCounterMemFrag.html#ade700aa0752694cc80076de1510c65f9">00113</a> 
<a name="l00121"></a>00121         <a class="code" href="classOsclRefCounterMemFrag.html#ade700aa0752694cc80076de1510c65f9">~OsclRefCounterMemFrag</a>()
<a name="l00122"></a>00122         {
<a name="l00123"></a>00123             <span class="keywordflow">if</span> (refcnt)
<a name="l00124"></a>00124             {
<a name="l00125"></a><a class="code" href="classOsclRefCounterMemFrag.html#a4bb8d64ecbc6b2eaabd09325e353eeec">00125</a>                 refcnt-&gt;<a class="code" href="classOsclRefCounter.html#aa7b138fd57f149a575356e51ee2d4451">removeRef</a>();
<a name="l00126"></a>00126             }
<a name="l00127"></a>00127         }
<a name="l00128"></a>00128 
<a name="l00133"></a>00133         <a class="code" href="classOsclRefCounter.html">OsclRefCounter</a>* <a class="code" href="classOsclRefCounterMemFrag.html#a4bb8d64ecbc6b2eaabd09325e353eeec">getRefCounter</a>()
<a name="l00134"></a><a class="code" href="classOsclRefCounterMemFrag.html#a91b285b6b4f4fc95e60523f69226efe0">00134</a>         {
<a name="l00135"></a>00135             <span class="keywordflow">return</span> refcnt;
<a name="l00136"></a>00136         }
<a name="l00137"></a>00137 
<a name="l00142"></a><a class="code" href="classOsclRefCounterMemFrag.html#ab7dce101b26f7cd7f64553efaacbadb3">00142</a>         <a class="code" href="structOsclMemoryFragment.html">OsclMemoryFragment</a>&amp; <a class="code" href="classOsclRefCounterMemFrag.html#a91b285b6b4f4fc95e60523f69226efe0">getMemFrag</a>()
<a name="l00143"></a>00143         {
<a name="l00144"></a>00144             <span class="keywordflow">return</span> memfrag;
<a name="l00145"></a>00145         }
<a name="l00146"></a>00146 
<a name="l00150"></a>00150         <a class="code" href="group__osclbase.html#ga3bac54662348f5e6c08b97ca97066b89" title="The OsclAny is meant to be used the context of a generic pointer (i.e., no specific...">OsclAny</a>* <a class="code" href="classOsclRefCounterMemFrag.html#ab7dce101b26f7cd7f64553efaacbadb3">getMemFragPtr</a>()
<a name="l00151"></a>00151         {
<a name="l00152"></a>00152             <span class="keywordflow">return</span> memfrag.<a class="code" href="structOsclMemoryFragment.html#a3374074fa288b1f307fcff0a047b6ac1">ptr</a>;
<a name="l00153"></a><a class="code" href="classOsclRefCounterMemFrag.html#ab1baab99d915ed52f5192da0c35d4ad1">00153</a>         }
<a name="l00154"></a>00154 
<a name="l00161"></a>00161         uint32 <a class="code" href="classOsclRefCounterMemFrag.html#ab1baab99d915ed52f5192da0c35d4ad1">getMemFragSize</a>()
<a name="l00162"></a>00162         {
<a name="l00163"></a><a class="code" href="classOsclRefCounterMemFrag.html#a36a2f6823ef9a01178621ea2d2dd9092">00163</a>             <span class="keywordflow">return</span> memfrag.<a class="code" href="structOsclMemoryFragment.html#ab7432af4094176ee6ce7384f2da10a35">len</a>;
<a name="l00164"></a>00164         }
<a name="l00165"></a>00165 
<a name="l00171"></a><a class="code" href="classOsclRefCounterMemFrag.html#a35d94ba86e29144522af28eae994f780">00171</a>         uint32 <a class="code" href="classOsclRefCounterMemFrag.html#a36a2f6823ef9a01178621ea2d2dd9092">getCapacity</a>()
<a name="l00172"></a>00172         {
<a name="l00173"></a>00173             <span class="keywordflow">return</span> capacity;
<a name="l00174"></a>00174         }
<a name="l00175"></a>00175 
<a name="l00179"></a>00179         uint32 <a class="code" href="classOsclRefCounterMemFrag.html#a35d94ba86e29144522af28eae994f780">getCount</a>()
<a name="l00180"></a>00180         {
<a name="l00181"></a>00181             <span class="keywordflow">return</span> (refcnt) ? refcnt-&gt;<a class="code" href="classOsclRefCounter.html#a647a4b140b695ad7f8e68e41cb3cc137">getCount</a>() : 0;
<a name="l00182"></a>00182         }
<a name="l00183"></a>00183 
<a name="l00184"></a>00184 
<a name="l00185"></a>00185 
<a name="l00186"></a>00186     <span class="keyword">private</span>:
<a name="l00187"></a>00187 
<a name="l00188"></a>00188         <a class="code" href="structOsclMemoryFragment.html">OsclMemoryFragment</a> memfrag;
<a name="l00189"></a>00189         <a class="code" href="classOsclRefCounter.html">OsclRefCounter</a> *refcnt;
<a name="l00190"></a>00190         uint32 capacity;
<a name="l00191"></a>00191 };
<a name="l00192"></a>00192 
<a name="l00193"></a>00193 
<a name="l00197"></a>00197 <span class="preprocessor">#endif // OSCL_REFCOUNTER_MEMFRAG_H</span>
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