# kmalloc.h

    00001 /**************************************************************************************
    00002  Copyright (c) 2002 The UbixOS Project
    00003  All rights reserved.
    00004
    00005 Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
    00006
    00007 Redistributions of source code must retain the above copyright notice, this list of conditions, the following disclaimer and the list of authors.
    00008 Redistributions in binary form must reproduce the above copyright notice, this list of conditions, the following disclaimer and the list of authors
    00009 in the documentation and/or other materials provided with the distribution. Neither the name of the UbixOS Project nor the names of its
    00010 contributors may be used to endorse or promote products derived from this software without specific prior written permission.
    00011
    00012 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
    00013 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
    00014 PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
    00015 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
    00016 GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
    00017 OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    00018 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    00019
    00020  $Id$
    00021
    00022 **************************************************************************************/
    00023
    00024 #ifndef _KMALLOC_H
    00025 #define _KMALLOC_H
    00026
    00027 #include <ubixos/types.h>
    00028
    00029 #ifdef __cplusplus
    00030 extern "C" {
    00031 #endif
    00032
    00033 #define sysMalloc  -2
    00034 #define sysID      -2
    00035
    00036 struct memDescriptor {
    00037   struct memDescriptor *prev;        //4
    00038   struct memDescriptor *next;        //4
    00039   void                 *baseAddr;    //4
    00040   uInt32               limit;        //4
    00041   uInt8                status;       //1
    00042   pidType              pid;          //4
    00043   char                 reserved[11]; //11
    00044   };
    00045
    00046 void kfree(void *baseAddr);
    00047 void *kmalloc(uInt32 len,pidType pid);
    00048 void initMalloc(pidType pid);
    00049 void *getEmptyDesc();
    00050 void insertFreeDesc(struct memDescriptor *freeDesc);
    00051 void mergeMemBlocks();
    00052 void kfreeProcess(pidType pid);
    00053
    00054 extern struct memDescriptor *kernDesc;
    00055 extern struct memDescriptor *freeKernDesc;
    00056 extern struct memDescriptor *emptyKernDesc;
    00057
    00058 extern int mallocLock;
    00059
    00060 #ifdef __cplusplus
    00061 }
    00062 #endif
    00063
    00064 #endif
    00065