heap.h

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/*
# This file is Copyright 2003, 2006, 2007, 2009 Dean Hall.
#
# This file is part of the PyMite VM.
# The PyMite VM is free software: you can redistribute it and/or modify
# it under the terms of the GNU GENERAL PUBLIC LICENSE Version 2.
#
# The PyMite VM 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.
# A copy of the GNU GENERAL PUBLIC LICENSE Version 2
# is seen in the file COPYING in this directory.
*/


#ifndef __HEAP_H__
#define __HEAP_H__


#define HEAP_GC_NF_THRESHOLD (512)


#ifdef __DEBUG__
#define DEBUG_PRINT_HEAP_AVAIL(s) \
    do { uint16_t n; heap_getAvail(&n); printf(s "heap avail = %d\n", n); } \
    while (0)
#else
#define DEBUG_PRINT_HEAP_AVAIL(s)
#endif


PmReturn_t heap_init(void);

PmReturn_t heap_getChunk(uint16_t requestedsize, uint8_t **r_pchunk);

PmReturn_t heap_freeChunk(pPmObj_t ptr);

#if PM_HEAP_SIZE > 65535
uint32_t
#else
uint16_t
#endif
  heap_getAvail(void);

#ifdef HAVE_GC

PmReturn_t heap_gcRun(void);

PmReturn_t heap_gcSetAuto(uint8_t auto_gc);
#endif /* HAVE_GC */

#endif /* __HEAP_H__ */