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zone, platform: add swap allocator

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This commit is contained in:
mittorn
2019-10-26 12:10:50 +07:00
parent 114a256675
commit feb01b270e
4 changed files with 632 additions and 5 deletions
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engine/common/zone.c
+15 -5
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@@ -18,6 +18,15 @@ GNU General Public License for more details.
#define MEMHEADER_SENTINEL1 0xDEADF00D
#define MEMHEADER_SENTINEL2 0xDF
#ifdef XASH_CUSTOM_SWAP
#include "platform/swap/swap.h"
#define Q_malloc SWAP_Malloc
#define Q_free SWAP_Free
#else
#define Q_malloc malloc
#define Q_free free
#endif
typedef struct memheader_s
{
struct memheader_s *next; // next and previous memheaders in chain belonging to pool
@@ -58,7 +67,7 @@ void *_Mem_Alloc( byte *poolptr, size_t size, qboolean clear, const char *filena
// big allocations are not clumped
pool->realsize += sizeof( memheader_t ) + size + sizeof( int );
mem = (memheader_t *)malloc( sizeof( memheader_t ) + size + sizeof( int ));
mem = (memheader_t *)Q_malloc( sizeof( memheader_t ) + size + sizeof( int ));
if( mem == NULL ) Sys_Error( "Mem_Alloc: out of memory (alloc at %s:%i)\n", filename, fileline );
mem->filename = filename;
@@ -74,7 +83,8 @@ void *_Mem_Alloc( byte *poolptr, size_t size, qboolean clear, const char *filena
mem->prev = NULL;
pool->chain = mem;
if( mem->next ) mem->next->prev = mem;
if( clear ) memset((void *)((byte *)mem + sizeof( memheader_t )), 0, mem->size );
//if( clear )
memset((void *)((byte *)mem + sizeof( memheader_t )), 0, mem->size );
return (void *)((byte *)mem + sizeof( memheader_t ));
}
@@ -128,7 +138,7 @@ static void Mem_FreeBlock( memheader_t *mem, const char *filename, int fileline
pool->totalsize -= mem->size;
pool->realsize -= sizeof( memheader_t ) + mem->size + sizeof( int );
free( mem );
Q_free( mem );
}
void _Mem_Free( void *data, const char *filename, int fileline )
@@ -166,7 +176,7 @@ byte *_Mem_AllocPool( const char *name, const char *filename, int fileline )
{
mempool_t *pool;
pool = (mempool_t *)malloc( sizeof( mempool_t ));
pool = (mempool_t *)Q_malloc( sizeof( mempool_t ));
if( pool == NULL ) Sys_Error( "Mem_AllocPool: out of memory (allocpool at %s:%i)\n", filename, fileline );
memset( pool, 0, sizeof( mempool_t ));
@@ -203,7 +213,7 @@ void _Mem_FreePool( byte **poolptr, const char *filename, int fileline )
while( pool->chain ) Mem_FreeBlock( pool->chain, filename, fileline );
// free the pool itself
memset( pool, 0xBF, sizeof( mempool_t ));
free( pool );
Q_free( pool );
*poolptr = NULL;
}
}