*/
+#ifndef ZONE_H
+#define ZONE_H
+
+// LordHavoc: this is pointless with a good C library
+//#define MEMCLUMPING
+
#define POOLNAMESIZE 128
+// if set this pool will be printed in memlist reports
+#define POOLFLAG_TEMP 1
+#if MEMCLUMPING
// give malloc padding so we can't waste most of a page at the end
#define MEMCLUMPSIZE (65536 - 1536)
// smallest unit we care about is this many bytes
#define MEMUNIT 8
#define MEMBITS (MEMCLUMPSIZE / MEMUNIT)
#define MEMBITINTS (MEMBITS / 32)
+#define MEMCLUMP_SENTINEL 0xABADCAFE
+#endif
-#define MEMHEADER_SENTINEL 0xABADCAFE
-#define MEMCLUMP_SENTINEL 0xDEADF00D
+#define MEMHEADER_SENTINEL1 0xDEADF00D
+#define MEMHEADER_SENTINEL2 0xDF
typedef struct memheader_s
{
- // next memheader in chain belonging to pool
- struct memheader_s *chain;
+ // next and previous memheaders in chain belonging to pool
+ struct memheader_s *next;
+ struct memheader_s *prev;
// pool this memheader belongs to
struct mempool_s *pool;
+#if MEMCLUMPING
// clump this memheader lives in, NULL if not in a clump
struct memclump_s *clump;
+#endif
// size of the memory after the header (excluding header and sentinel2)
int size;
// file name and line where Mem_Alloc was called
- char *filename;
+ const char *filename;
int fileline;
- // should always be MEMHEADER_SENTINEL
- int sentinel1;
- // immediately followed by data, which is followed by another MEMHEADER_SENTINEL
+ // should always be MEMHEADER_SENTINEL1
+ unsigned int sentinel1;
+ // immediately followed by data, which is followed by a MEMHEADER_SENTINEL2 byte
}
memheader_t;
+#if MEMCLUMPING
typedef struct memclump_s
{
// contents of the clump
- byte block[MEMCLUMPSIZE];
+ qbyte block[MEMCLUMPSIZE];
// should always be MEMCLUMP_SENTINEL
- int sentinel1;
+ unsigned int sentinel1;
// if a bit is on, it means that the MEMUNIT bytes it represents are
// allocated, otherwise free
int bits[MEMBITINTS];
// should always be MEMCLUMP_SENTINEL
- int sentinel2;
+ unsigned int sentinel2;
// if this drops to 0, the clump is freed
int blocksinuse;
// largest block of memory available (this is reset to an optimistic
struct memclump_s *chain;
}
memclump_t;
+#endif
typedef struct mempool_s
{
+ // should always be MEMHEADER_SENTINEL1
+ unsigned int sentinel1;
// chain of individual memory allocations
struct memheader_s *chain;
+#if MEMCLUMPING
// chain of clumps (if any)
struct memclump_s *clumpchain;
+#endif
+ // POOLFLAG_*
+ int flags;
// total memory allocated in this pool (inside memheaders)
int totalsize;
// total memory allocated in this pool (actual malloc total)
char name[POOLNAMESIZE];
// linked into global mempool list
struct mempool_s *next;
+ // parent object (used for nested memory pools)
+ struct mempool_s *parent;
+ // file name and line where Mem_AllocPool was called
+ const char *filename;
+ int fileline;
+ // should always be MEMHEADER_SENTINEL1
+ unsigned int sentinel2;
}
mempool_t;
#define Mem_Alloc(pool,size) _Mem_Alloc(pool, size, __FILE__, __LINE__)
+#define Mem_Free(mem) _Mem_Free(mem, __FILE__, __LINE__)
#define Mem_CheckSentinels(data) _Mem_CheckSentinels(data, __FILE__, __LINE__)
#define Mem_CheckSentinelsGlobal() _Mem_CheckSentinelsGlobal(__FILE__, __LINE__)
+#define Mem_AllocPool(name, flags, parent) _Mem_AllocPool(name, flags, parent, __FILE__, __LINE__)
+#define Mem_FreePool(pool) _Mem_FreePool(pool, __FILE__, __LINE__)
+#define Mem_EmptyPool(pool) _Mem_EmptyPool(pool, __FILE__, __LINE__)
-void *_Mem_Alloc(mempool_t *pool, int size, char *filename, int fileline);
-void Mem_Free(void *data);
-mempool_t *Mem_AllocPool(char *name);
-void Mem_FreePool(mempool_t **pool);
-void Mem_EmptyPool(mempool_t *pool);
-void _Mem_CheckSentinels(void *data, char *filename, int fileline);
-void _Mem_CheckSentinelsGlobal(char *filename, int fileline);
-void Mem_PrintStats(void);
-void Mem_PrintList(void);
+void *_Mem_Alloc(mempool_t *pool, int size, const char *filename, int fileline);
+void _Mem_Free(void *data, const char *filename, int fileline);
+mempool_t *_Mem_AllocPool(const char *name, int flags, mempool_t *parent, const char *filename, int fileline);
+void _Mem_FreePool(mempool_t **pool, const char *filename, int fileline);
+void _Mem_EmptyPool(mempool_t *pool, const char *filename, int fileline);
+void _Mem_CheckSentinels(void *data, const char *filename, int fileline);
+void _Mem_CheckSentinelsGlobal(const char *filename, int fileline);
+qboolean Mem_IsAllocated(mempool_t *pool, void *data);
// used for temporary allocations
mempool_t *tempmempool;
extern mempool_t *zonemempool;
#define Z_Malloc(size) Mem_Alloc(zonemempool,size)
#define Z_Free(data) Mem_Free(data)
+
+extern struct cvar_s developer_memory;
+extern struct cvar_s developer_memorydebug;
+
+#endif
+