# oldpool.cpp

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    00001 /* $Id: oldpool.cpp 15569 2009-02-24 21:32:23Z smatz $ */
    00002
    00005 #include "stdafx.h"
    00006 #include "debug.h"
    00007 #include "oldpool.h"
    00008 #include "core/alloc_func.hpp"
    00009
    00013 void OldMemoryPoolBase::CleanPool()
    00014 {
    00015   uint i;
    00016
    00017   DEBUG(misc, 4, "[Pool] (%s) cleaning pool..", this->name);
    00018
    00019   this->cleaning_pool = true;
    00020   /* Free all blocks */
    00021   for (i = 0; i < this->current_blocks; i++) {
    00022     if (this->clean_block_proc != NULL) {
    00023       this->clean_block_proc(i * (1 << this->block_size_bits), (i + 1) * (1 << this->block_size_bits) - 1);
    00024     }
    00025     free(this->blocks[i]);
    00026   }
    00027   this->cleaning_pool = false;
    00028
    00029   /* Free the block itself */
    00030   free(this->blocks);
    00031
    00032   /* Clear up some critical data */
    00033   this->total_items = 0;
    00034   this->current_blocks = 0;
    00035   this->blocks = NULL;
    00036   this->first_free_index = 0;
    00037 }
    00038
    00045 bool OldMemoryPoolBase::AddBlockToPool()
    00046 {
    00047   /* Is the pool at his max? */
    00048   if (this->max_blocks == this->current_blocks) return false;
    00049
    00050   this->total_items = (this->current_blocks + 1) * (1 << this->block_size_bits);
    00051
    00052   DEBUG(misc, 4, "[Pool] (%s) increasing size of pool to %d items (%d bytes)", this->name, this->total_items, this->total_items * this->item_size);
    00053
    00054   /* Increase the poolsize */
    00055   this->blocks = ReallocT(this->blocks, this->current_blocks + 1);
    00056
    00057   /* Allocate memory to the new block item */
    00058   this->blocks[this->current_blocks] = CallocT<byte>(this->item_size * (1 << this->block_size_bits));
    00059
    00060   /* Call a custom function if defined (e.g. to fill indexes) */
    00061   if (this->new_block_proc != NULL) this->new_block_proc(this->current_blocks * (1 << this->block_size_bits));
    00062
    00063   /* We have a new block */
    00064   this->current_blocks++;
    00065
    00066   return true;
    00067 }
    00068
    00074 bool OldMemoryPoolBase::AddBlockIfNeeded(uint index)
    00075 {
    00076   while (index >= this->total_items) {
    00077     if (!this->AddBlockToPool()) return false;
    00078   }
    00079
    00080   return true;
    00081 }