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Fixes for problems with win32k

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svn path=/trunk/; revision=2569
This commit is contained in:
David Welch 2002-01-27 03:25:45 +00:00
parent f48e849f05
commit 7d915349e5
5 changed files with 89 additions and 76 deletions
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143
reactos/drivers/fs/vfat/rw.c
View file

@ -1,5 +1,5 @@
/* $Id: rw.c,v 1.37 2002/01/27 01:11:23 dwelch Exp $
/* $Id: rw.c,v 1.38 2002/01/27 03:25:44 dwelch Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -43,76 +43,81 @@ NextCluster(PDEVICE_EXTENSION DeviceExt,
ULONG i;
PULONG FatChain;
NTSTATUS Status;
DPRINT("NextCluster(Fcb %x, FirstCluster %x, Extend %d)\n", Fcb, FirstCluster, Extend);
DPRINT("NextCluster(Fcb %x, FirstCluster %x, Extend %d)\n", Fcb,
FirstCluster, Extend);
if (Fcb->FatChainSize == 0)
{
// paging file with zero length
*CurrentCluster = 0xffffffff;
if (Extend)
{
Fcb->FatChain = ExAllocatePool(NonPagedPool, sizeof(ULONG));
if (!Fcb->FatChain)
{
return STATUS_UNSUCCESSFUL;
}
Status = GetNextCluster(DeviceExt, 0, CurrentCluster, TRUE);
if (!NT_SUCCESS(Status))
{
ExFreePool(Fcb->FatChain);
return Status;
}
Fcb->FatChain[0] = *CurrentCluster;
Fcb->FatChainSize = 1;
return Status;
}
else
{
return STATUS_UNSUCCESSFUL;
}
}
{
/* Paging file with zero length. */
*CurrentCluster = 0xffffffff;
if (Extend)
{
Fcb->FatChain = ExAllocatePool(NonPagedPool, sizeof(ULONG));
if (!Fcb->FatChain)
{
return STATUS_NO_MEMORY;
}
Status = GetNextCluster(DeviceExt, 0, CurrentCluster, TRUE);
if (!NT_SUCCESS(Status))
{
ExFreePool(Fcb->FatChain);
return Status;
}
Fcb->FatChain[0] = *CurrentCluster;
Fcb->FatChainSize = 1;
return Status;
}
else
{
return STATUS_UNSUCCESSFUL;
}
}
else
{
for (i = 0; i < Fcb->FatChainSize; i++)
{
if (Fcb->FatChain[i] == *CurrentCluster)
break;
}
if (i >= Fcb->FatChainSize)
{
return STATUS_UNSUCCESSFUL;
}
if (i == Fcb->FatChainSize - 1)
{
if (Extend)
{
FatChain = ExAllocatePool(NonPagedPool, (i + 2) * sizeof(ULONG));
if (!FatChain)
{
*CurrentCluster = 0xffffffff;
return STATUS_UNSUCCESSFUL;
}
Status = GetNextCluster(DeviceExt, *CurrentCluster, CurrentCluster, TRUE);
if (NT_SUCCESS(Status) && *CurrentCluster != 0xffffffff)
{
memcpy(FatChain, Fcb->FatChain, (i + 1) * sizeof(ULONG));
FatChain[i + 1] = *CurrentCluster;
ExFreePool(Fcb->FatChain);
Fcb->FatChain = FatChain;
Fcb->FatChainSize = i + 2;
}
else
ExFreePool(FatChain);
return Status;
}
else
{
*CurrentCluster = 0xffffffff;
return STATUS_UNSUCCESSFUL;
}
}
*CurrentCluster = Fcb->FatChain[i + 1];
return STATUS_SUCCESS;
}
{
for (i = 0; i < Fcb->FatChainSize; i++)
{
if (Fcb->FatChain[i] == *CurrentCluster)
break;
}
if (i >= Fcb->FatChainSize)
{
return STATUS_UNSUCCESSFUL;
}
if (i == Fcb->FatChainSize - 1)
{
if (Extend)
{
FatChain = ExAllocatePool(NonPagedPool,
(i + 2) * sizeof(ULONG));
if (!FatChain)
{
*CurrentCluster = 0xffffffff;
return STATUS_NO_MEMORY;
}
Status = GetNextCluster(DeviceExt, *CurrentCluster,
CurrentCluster, TRUE);
if (NT_SUCCESS(Status) && *CurrentCluster != 0xffffffff)
{
memcpy(FatChain, Fcb->FatChain, (i + 1) * sizeof(ULONG));
FatChain[i + 1] = *CurrentCluster;
ExFreePool(Fcb->FatChain);
Fcb->FatChain = FatChain;
Fcb->FatChainSize = i + 2;
}
else
{
ExFreePool(FatChain);
}
return Status;
}
else
{
*CurrentCluster = 0xffffffff;
return STATUS_UNSUCCESSFUL;
}
}
*CurrentCluster = Fcb->FatChain[i + 1];
return STATUS_SUCCESS;
}
}
if (FirstCluster == 1)
{

9
reactos/lib/ntdll/ldr/startup.c
View file

@ -1,4 +1,4 @@
/* $Id: startup.c,v 1.34 2001/06/04 11:26:10 chorns Exp $
/* $Id: startup.c,v 1.35 2002/01/27 03:25:44 dwelch Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -18,6 +18,7 @@
#include <csrss/csrss.h>
#include <ntdll/csr.h>
#include <napi/shared_data.h>
#include <user32/callback.h>
#define NDEBUG
#include <ntdll/ntdll.h>
@ -123,6 +124,12 @@ LdrInitializeThunk (ULONG Unknown1,
Peb->TlsBitmap = &TlsBitMap;
Peb->TlsExpansionCounter = TLS_MINIMUM_AVAILABLE;
/* Initialize table of callbacks for the kernel. */
Peb->KernelCallbackTable =
RtlAllocateHeap(RtlGetProcessHeap(),
0,
sizeof(PVOID) * USER32_CALLBACK_MAXIMUM);
/* initalize loader lock */
RtlInitializeCriticalSection (&LoaderLock);
Peb->LoaderLock = &LoaderLock;

3
reactos/ntoskrnl/mm/pagefile.c
View file

@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: pagefile.c,v 1.15 2002/01/08 00:49:00 dwelch Exp $
/* $Id: pagefile.c,v 1.16 2002/01/27 03:25:44 dwelch Exp $
*
* PROJECT: ReactOS kernel
* FILE: ntoskrnl/mm/pagefile.c
@ -421,6 +421,7 @@ NtCreatePagingFile(IN PUNICODE_STRING PageFileName,
NtClose(FileHandle);
return(Status);
}
ExFreePool(Buffer);
Status = ObReferenceObjectByHandle(FileHandle,
FILE_ALL_ACCESS,

2
reactos/subsys/win32k/include/object.h
View file

@ -36,7 +36,7 @@ typedef struct _USER_HANDLE_BLOCK
typedef struct _USER_HANDLE_TABLE
{
LIST_ENTRY ListHead;
PFAST_MUTEX ListLock;
FAST_MUTEX ListLock;
} USER_HANDLE_TABLE, *PUSER_HANDLE_TABLE;

8
reactos/subsys/win32k/misc/object.c
View file

@ -1,4 +1,4 @@
/* $Id: object.c,v 1.2 2002/01/27 01:11:24 dwelch Exp $
/* $Id: object.c,v 1.3 2002/01/27 03:25:45 dwelch Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -34,13 +34,13 @@ BODY_TO_HEADER(PVOID ObjectBody)
VOID STATIC
ObmpLockHandleTable(PUSER_HANDLE_TABLE HandleTable)
{
ExAcquireFastMutex(HandleTable->ListLock);
ExAcquireFastMutex(&HandleTable->ListLock);
}
VOID STATIC
ObmpUnlockHandleTable(PUSER_HANDLE_TABLE HandleTable)
{
ExReleaseFastMutex(HandleTable->ListLock);
ExReleaseFastMutex(&HandleTable->ListLock);
}
VOID
@ -482,7 +482,7 @@ VOID
ObmInitializeHandleTable(PUSER_HANDLE_TABLE HandleTable)
{
InitializeListHead(&HandleTable->ListHead);
ExInitializeFastMutex(HandleTable->ListLock);
ExInitializeFastMutex(&HandleTable->ListLock);
}
VOID