Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2024-12-27 01:24:38 +00:00
Code Issues Projects Releases Packages Wiki Activity

- Removed R_EXTRA_STACK because R_EXTRA_STACK and R_STACK must have the same size.

Browse source 
- Initialized an allocated block completely before release the lock.

svn path=/trunk/; revision=16714
This commit is contained in:
Hartmut Birr 2005-07-24 17:48:52 +00:00
parent 8c34b25c71
commit 0dea0a5836
2 changed files with 15 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
reactos/ntoskrnl/mm/ppool.c
View file

@ -30,7 +30,6 @@
#define R_PRINT_ADDRESS(addr) KeRosPrintAddress(addr)
#define R_PANIC() KeBugCheck(0)
#define R_DEBUG DbgPrint
#define R_EXTRA_STACK_UP 2
#define R_GET_STACK_FRAMES(ptr,cnt) KeRosGetStackFrames(ptr,cnt)
#include "rpoolmgr.h"

25
reactos/ntoskrnl/mm/rpoolmgr.h
View file

@ -50,7 +50,13 @@ typedef unsigned long rulong;
#ifndef R_STACK
// R_STACK is the number of stack entries to store in blocks for debug purposes
#define R_STACK 3
#define R_STACK 6
#else // R_STACK
#if R_STACK > 0 && R_STACK < 6
/* Increase the frame depth to get a reasonable back trace */
#undef R_STACK
#define R_STACK 6
#endif // R_STACK > 0 && R_STACK < 6
#endif//R_STACK
#ifndef R_TAG
@ -257,10 +263,10 @@ static void
RFreeFillStack ( PR_FREE free )
{
int i;
ULONG stack[R_EXTRA_STACK_UP+3]; // need to skip 3 known levels of stack trace
ULONG stack[R_STACK+3]; // need to skip 3 known levels of stack trace
memset ( stack, 0xCD, sizeof(stack) );
R_GET_STACK_FRAMES ( stack, R_EXTRA_STACK_UP+3 );
for ( i = 0; i < R_EXTRA_STACK_UP; i++ )
R_GET_STACK_FRAMES ( stack, R_STACK+3 );
for ( i = 0; i < R_STACK; i++ )
free->LastOwnerStack[i] = stack[i+3];
}
@ -268,10 +274,10 @@ static void
RUsedFillStack ( PR_USED used )
{
int i;
ULONG stack[R_EXTRA_STACK_UP+2]; // need to skip 2 known levels of stack trace
ULONG stack[R_STACK+2]; // need to skip 2 known levels of stack trace
memset ( stack, 0xCD, sizeof(stack) );
R_GET_STACK_FRAMES ( stack, R_EXTRA_STACK_UP+2 );
for ( i = 0; i < R_EXTRA_STACK_UP; i++ )
R_GET_STACK_FRAMES ( stack, R_STACK+2 );
for ( i = 0; i < R_STACK; i++ )
used->LastOwnerStack[i] = stack[i+2];
}
#endif
@ -719,9 +725,9 @@ RPoolAlloc ( PR_POOL pool, rulong NumberOfBytes, rulong Tag, rulong align )
{
if ( (NewBlock = RQueRemove ( &pool->Que[que][align] )) )
{
R_RELEASE_MUTEX(pool);
RiUsedInit ( NewBlock, Tag );
RiUsedInitRedZone ( NewBlock, NumberOfBytes );
R_RELEASE_MUTEX(pool);
return RHdrToBody(NewBlock);
}
queBytes = 16 << que;
@ -865,11 +871,10 @@ try_again:
NewBlock = (PR_USED)BestBlock;
RiUsedInit ( NewBlock, Tag );
R_RELEASE_MUTEX(pool);
/* RtlZeroMemory(RHdrToBody(NewBlock), NumberOfBytes);*/
RiUsedInitRedZone ( NewBlock, NumberOfBytes );
R_RELEASE_MUTEX(pool);
return RHdrToBody(NewBlock);
}