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added ExcMmgr

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simplified LinkedList
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hyung-hwan
2015-01-05 04:15:32 +00:00
parent 3b672857aa
commit 8d88ef3f40
17 changed files with 274 additions and 117 deletions
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28
qse/lib/cmn/Mpool.cpp
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@ -25,9 +25,7 @@
*/
#include <qse/cmn/Mpool.hpp>
// TODO: can i use QSE_MMGR_XXXXX instead of ::new and ::delete???
#include <qse/cmn/mem.h>
/////////////////////////////////
QSE_BEGIN_NAMESPACE(QSE)
@ -47,6 +45,7 @@ Mpool::Mpool (qse_size_t datum_size, qse_size_t block_size)
this->nalloc = 0;
#endif
}
Mpool::~Mpool ()
{
this->dispose ();
@ -59,7 +58,9 @@ void* Mpool::allocate ()
void* ptr = this->free_list;
if (!ptr)
{
this->add_block ();
// NOTE: 'return QSE_NULL' can't be reached if add_block()
// raises an exception.
if (!this->add_block ()) return QSE_NULL;
ptr = this->free_list;
}
this->free_list = this->free_list->next;
@ -84,24 +85,30 @@ void Mpool::dispose ()
while (block)
{
Block* next = block->next;
::delete[] block;
//::delete[] (qse_uint8_t*)block;
this->freeMem ((qse_uint8_t*)block);
block = next;
}
this->free_list = QSE_NULL;
this->mp_blocks = QSE_NULL;
#if defined(QSE_DEBUG_MPOOL)
this->navail = 0;
this->nalloc = 0;
#endif
}
void Mpool::add_block ()
Mpool::Block* Mpool::add_block ()
{
QSE_ASSERT (this->datum_size > 0 && this->block_size > 0);
Block* block = (Block*)::new qse_uint8_t[
QSE_SIZEOF(Block) + this->block_size * this->datum_size];
//Block* block = (Block*)::new qse_uint8_t[
// QSE_SIZEOF(Block) + this->block_size * this->datum_size];
Block* block = (Block*)this->allocMem (QSE_SIZEOF(Block) + this->block_size * this->datum_size);
if (!block) return QSE_NULL; // this line may not be reached if the allocator raises an exception
//this->free_list = (Chain*)block->data;
this->free_list = (Chain*)(block + 1);
@ -114,12 +121,15 @@ void Mpool::add_block ()
}
ptr->next = QSE_NULL;
block->next = this->mp_blocks;
block->next = this->mp_blocks;
this->mp_blocks = block;
#if defined(QSE_DEBUG_MPOOL)
this->navail += this->block_size;
this->nalloc += this->block_size;
#endif
return block;
}
/////////////////////////////////