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os-k/include/mm/heap.h
Julian Barathieu 409e74f934 Header overhaul
2019-05-13 23:22:27 +02:00

65 lines
2.6 KiB
C

//----------------------------------------------------------------------------//
// GNU GPL OS/K //
// //
// Desc: Heap management functions //
// //
// //
// Copyright © 2018-2019 The OS/K Team //
// //
// This file is part of OS/K. //
// //
// OS/K is free software: you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation, either version 3 of the License, or //
// any later version. //
// //
// OS/K is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY//without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with OS/K. If not, see <https://www.gnu.org/licenses/>. //
//----------------------------------------------------------------------------//
#ifndef _KERNEL_H
#include <kernel.h>
#endif
#ifndef _MM_HEAP_H
#define _MM_HEAP_H
//----------------------------------------------------------------------------//
// Absolute heap max
#define MM_HEAP_MAX (256 * MB)
// Address of the heap
extern void *_heap_start;
// Current end of the heap
extern void *_heap_end;
// Maximal size of the heap
// (Default: MM_HEAP_MAX)
extern size_t _heap_max;
void MmInitHeap(void);
void MmLockHeap(void);
void MmUnlockHeap(void);
size_t MmGetHeapSize(void);
size_t MmGetMaxHeapSize(void);
error_t MmSetMaxHeapSize(size_t);
error_t MmGrowHeap(size_t);
error_t MmShrinkHeap(size_t);
void MmIsHeapSmashed(void);
//----------------------------------------------------------------------------//
#endif