kmalloc.h

/**************************************************************************************
 Copyright (c) 2002 The UbixOS Project
 All rights reserved.

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 $Id$

**************************************************************************************/

#ifndef _KMALLOC_H
#define _KMALLOC_H

#include <ubixos/types.h>

#ifdef __cplusplus
extern "C" {
#endif

#define sysMalloc  -2
#define sysID      -2

struct memDescriptor {
  struct memDescriptor *prev;        //4
  struct memDescriptor *next;        //4
  void                 *baseAddr;    //4
  uInt32               limit;        //4
  uInt8                status;       //1
  pidType              pid;          //4
  char                 reserved[11]; //11
  };

void kfree(void *baseAddr);
void *kmalloc(uInt32 len,pidType pid);
void initMalloc(pidType pid);
void *getEmptyDesc();
void insertFreeDesc(struct memDescriptor *freeDesc);
void mergeMemBlocks();
void kfreeProcess(pidType pid);

extern struct memDescriptor *kernDesc;
extern struct memDescriptor *freeKernDesc;
extern struct memDescriptor *emptyKernDesc;

extern int mallocLock;

#ifdef __cplusplus
}
#endif

#endif

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