From 0ea5fc66924303d1bf73ba283a383e2aadee02f2 Mon Sep 17 00:00:00 2001 From: neodarz Date: Sat, 11 Aug 2018 20:21:34 +0200 Subject: Initial commit --- docs/doxygen/nel/pool__memory_8h-source.html | 197 +++++++++++++++++++++++++++ 1 file changed, 197 insertions(+) create mode 100644 docs/doxygen/nel/pool__memory_8h-source.html (limited to 'docs/doxygen/nel/pool__memory_8h-source.html') diff --git a/docs/doxygen/nel/pool__memory_8h-source.html b/docs/doxygen/nel/pool__memory_8h-source.html new file mode 100644 index 00000000..8205ca21 --- /dev/null +++ b/docs/doxygen/nel/pool__memory_8h-source.html @@ -0,0 +1,197 @@ + + + + nevrax.org : docs + + + + + + + + + + + + + + +
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pool_memory.h

Go to the documentation of this file.
00001 
+00007 /* Copyright, 2001 Nevrax Ltd.
+00008  *
+00009  * This file is part of NEVRAX NEL.
+00010  * NEVRAX NEL is free software; you can redistribute it and/or modify
+00011  * it under the terms of the GNU General Public License as published by
+00012  * the Free Software Foundation; either version 2, or (at your option)
+00013  * any later version.
+00014 
+00015  * NEVRAX NEL is distributed in the hope that it will be useful, but
+00016  * WITHOUT ANY WARRANTY; without even the implied warranty of
+00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+00018  * General Public License for more details.
+00019 
+00020  * You should have received a copy of the GNU General Public License
+00021  * along with NEVRAX NEL; see the file COPYING. If not, write to the
+00022  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+00023  * MA 02111-1307, USA.
+00024  */
+00025 
+00026 #ifndef NL_POOL_MEMORY_H
+00027 #define NL_POOL_MEMORY_H
+00028 
+00029 #include "nel/misc/types_nl.h"
+00030 #include <list>
+00031 #include <vector>
+00032 
+00033 namespace NLMISC 
+00034 {
+00035 
+00036 
+00048 template<class T>
+00049 class CPoolMemory
+00050 {
+00051 public:
+00052         /*
+00053          * Constructor
+00054          *
+00055          * \param blockSize is the default bloc size
+00056          */
+00057         CPoolMemory (uint blockSize=10)
+00058         {
+00059                 _BlockSize=blockSize;
+00060                 _BlockPointer=_BlockList.end();
+00061         }
+00062 
+00063         /*
+00064          * Allocate an element.
+00065          *
+00066          * Return a pointer on the element.
+00067          */
+00068         T*              allocate ()
+00069         {
+00070                 // End of block ?
+00071                 if ( (_BlockPointer!=_BlockList.end()) && (_BlockPointer->size()>=_BlockSize) )
+00072                 {
+00073                         // Get next block
+00074                         _BlockPointer++;
+00075                 }
+00076 
+00077                 // Out of memory ?
+00078                 if (_BlockPointer==_BlockList.end())
+00079                 {
+00080                         // Add a block
+00081                         _BlockList.resize (_BlockList.size()+1);
+00082 
+00083                         // Pointer on the new block
+00084                         _BlockPointer=_BlockList.end ();
+00085                         _BlockPointer--;
+00086 
+00087                         // Reserve it
+00088                         _BlockPointer->reserve (_BlockSize);
+00089                 }
+00090 
+00091                 // Allocate
+00092                 _BlockPointer->resize (_BlockPointer->size()+1);
+00093 
+00094                 // Return the pointer
+00095                 return &*((_BlockPointer->end ()-1));
+00096         }
+00097 
+00098         /*
+00099          * Free all the elements allocated since last free(). Memory is kept for next allocations.
+00100          */
+00101         void    free ()
+00102         {
+00103                 std::list< std::vector<T> >::iterator ite=_BlockList.begin();
+00104                 while (ite!=_BlockList.end())
+00105                 {
+00106                         // Clear the block
+00107                         ite->clear ();
+00108 
+00109                         // Check size in not zero
+00110                         nlassert (ite->capacity ()>0);
+00111 
+00112                         ite++;
+00113                 }
+00114                 // Pointer at the begining
+00115                 _BlockPointer=_BlockList.begin();
+00116         }
+00117 
+00118         /*
+00119          * Purge memory. All the memory used by the allocator is freid for real.
+00120          */
+00121         void    purge ()
+00122         {
+00123                 _BlockList.clear();
+00124                 _BlockPointer=_BlockList.end();
+00125         }
+00126 
+00127 private:
+00128         uint                                                                    _BlockSize;
+00129         std::list< std::vector<T> >                             _BlockList;
+00130         std::list< std::vector<T> >::iterator   _BlockPointer;
+00131 };
+00132 
+00133 
+00134 } // NLMISC
+00135 
+00136 
+00137 #endif // NL_POOL_MEMORY_H
+00138 
+00139 /* End of pool_memory.h */
+
+ + +
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+ + -- cgit v1.2.1