69 lines
1.7 KiB
C++
69 lines
1.7 KiB
C++
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/***
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*dbgnew.cpp - defines C++ scalar delete routine, debug version
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*
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* Copyright (c) 1995-2001, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* Defines C++ scalar delete() routine.
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*
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*Revision History:
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* 12-28-95 JWM Split from dbgnew.cpp for granularity.
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* 05-22-98 JWM Support for KFrei's RTC work, and operator delete[].
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* 07-28-98 JWM RTC update.
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* 05-26-99 KBF Updated RTC_Allocate_hook params
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* 10-21-99 PML Get rid of delete[], use heap\delete2.cpp for both
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* debug and release builds (vs7#53440).
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*
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*******************************************************************************/
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#ifdef _DEBUG
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#include <cruntime.h>
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#include <malloc.h>
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#include <mtdll.h>
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#include <dbgint.h>
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#include <rtcsup.h>
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/***
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*void operator delete() - delete a block in the debug heap
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*
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*Purpose:
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* Deletes any type of block.
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*
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*Entry:
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* void *pUserData - pointer to a (user portion) of memory block in the
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* debug heap
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*
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*Return:
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* <void>
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*
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*******************************************************************************/
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void operator delete(
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void *pUserData
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)
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{
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_CrtMemBlockHeader * pHead;
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RTCCALLBACK(_RTC_Free_hook, (pUserData, 0));
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if (pUserData == NULL)
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return;
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_mlock(_HEAP_LOCK); /* block other threads */
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/* get a pointer to memory block header */
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pHead = pHdr(pUserData);
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/* verify block type */
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_ASSERTE(_BLOCK_TYPE_IS_VALID(pHead->nBlockUse));
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_free_dbg( pUserData, pHead->nBlockUse );
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_munlock(_HEAP_LOCK); /* release other threads */
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return;
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}
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#endif /* _DEBUG */
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