heapcheck.c
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/*====================================================================
* heapcheck.c
*
* Copyright 1995, Silicon Graphics, Inc.
* All Rights Reserved.
*
* This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics,
* Inc.; the contents of this file may not be disclosed to third
* parties, copied or duplicated in any form, in whole or in part,
* without the prior written permission of Silicon Graphics, Inc.
*
* RESTRICTED RIGHTS LEGEND:
* Use, duplication or disclosure by the Government is subject to
* restrictions as set forth in subdivision (c)(1)(ii) of the Rights
* in Technical Data and Computer Software clause at DFARS
* 252.227-7013, and/or in similar or successor clauses in the FAR,
* DOD or NASA FAR Supplement. Unpublished - rights reserved under the
* Copyright Laws of the United States.
*====================================================================*/
#include "synthInternals.h"
#include <libaudio.h>
#include <os_internal.h>
#include <ultraerror.h>
#ifdef AUD_PROFILE
#include <os.h>
extern u32 cnt_index, heap_num, heap_cnt, heap_max, heap_min, lastCnt[];
#endif
s32 alHeapCheck(ALHeap *hp)
{
s32 rv = 0;
#ifdef _DEBUG
HeapInfo *hi;
HeapInfo *last = 0;
u8 *ptr;
#endif
#ifdef AUD_PROFILE
lastCnt[++cnt_index] = osGetCount();
#endif
#ifdef _DEBUG
for (ptr = hp->base; ptr < hp->cur; ptr += hi->size){
hi = (HeapInfo *)ptr;
if ( hi->magic != AL_HEAP_MAGIC) {
if (last) {
__osError(ERR_ALHEAPCORRUPT, 0);
} else {
__osError(ERR_ALHEAPFIRSTBLOCK, 0);
}
rv = 1;
#ifdef AUD_PROFILE
PROFILE_AUD(heap_num, heap_cnt, heap_max, heap_min);
#endif
return rv;
}
last = hi;
}
#endif
#ifdef AUD_PROFILE
PROFILE_AUD(heap_num, heap_cnt, heap_max, heap_min);
#endif
return rv;
}