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