[hbelusca] 63862: [CONSRV]: Some handle reworking commit, that might look like ridiculous at first, but is just the start of something bigger.
11 Aug
2014
11 Aug
'14
1:31 p.m.
Author: hbelusca
Date: Mon Aug 11 13:31:22 2014
New Revision: 63862
URL: http://svn.reactos.org/svn/reactos?rev=63862&view=rev
Log:
[CONSRV]: Some handle reworking commit, that might look like ridiculous at first, but is
just the start of something bigger.
Modified:
branches/condrv_restructure/win32ss/user/winsrv/consrv/condrv/conoutput.c
branches/condrv_restructure/win32ss/user/winsrv/consrv/handle.c
branches/condrv_restructure/win32ss/user/winsrv/consrv/handle.h
branches/condrv_restructure/win32ss/user/winsrv/consrv/include/conio.h
branches/condrv_restructure/win32ss/user/winsrv/consrv/include/conio_winsrv.h
branches/condrv_restructure/win32ss/user/winsrv/consrv/procinit.h
Modified: branches/condrv_restructure/win32ss/user/winsrv/consrv/condrv/conoutput.c
URL:
http://svn.reactos.org/svn/reactos/branches/condrv_restructure/win32ss/user…
==============================================================================
--- branches/condrv_restructure/win32ss/user/winsrv/consrv/condrv/conoutput.c [iso-8859-1]
(original)
+++ branches/condrv_restructure/win32ss/user/winsrv/consrv/condrv/conoutput.c [iso-8859-1]
Mon Aug 11 13:31:22 2014
@@ -188,7 +188,7 @@
if (Buffer == Console->ActiveBuffer) return STATUS_SUCCESS;
/* If old buffer has no handles, it's now unreferenced */
- if (Console->ActiveBuffer->Header.HandleCount == 0)
+ if (Console->ActiveBuffer->Header.ReferenceCount == 0)
{
ConioDeleteScreenBuffer(Console->ActiveBuffer);
}
Modified: branches/condrv_restructure/win32ss/user/winsrv/consrv/handle.c
URL:
http://svn.reactos.org/svn/reactos/branches/condrv_restructure/win32ss/user…
==============================================================================
--- branches/condrv_restructure/win32ss/user/winsrv/consrv/handle.c [iso-8859-1]
(original)
+++ branches/condrv_restructure/win32ss/user/winsrv/consrv/handle.c [iso-8859-1] Mon Aug
11 13:31:22 2014
@@ -19,53 +19,45 @@
/* GLOBALS ********************************************************************/
+/* Console handle */
typedef struct _CONSOLE_IO_HANDLE
{
PCONSOLE_IO_OBJECT Object; /* The object on which the handle points to */
- DWORD Access;
- BOOL Inheritable;
- DWORD ShareMode;
+ ULONG Access;
+ ULONG ShareMode;
+ BOOLEAN Inheritable;
} CONSOLE_IO_HANDLE, *PCONSOLE_IO_HANDLE;
/* PRIVATE FUNCTIONS **********************************************************/
-static INT
-AdjustHandleCounts(PCONSOLE_IO_HANDLE Entry, INT Change)
-{
- PCONSOLE_IO_OBJECT Object = Entry->Object;
-
- DPRINT("AdjustHandleCounts(0x%p, %d), Object = 0x%p\n", Entry, Change,
Object);
- DPRINT("\tAdjustHandleCounts(0x%p, %d), Object = 0x%p, Object->HandleCount =
%d, Object->Type = %lu\n", Entry, Change, Object, Object->HandleCount,
Object->Type);
-
- if (Entry->Access & GENERIC_READ) Object->AccessRead += Change;
- if (Entry->Access & GENERIC_WRITE) Object->AccessWrite += Change;
- if (!(Entry->ShareMode & FILE_SHARE_READ)) Object->ExclusiveRead +=
Change;
- if (!(Entry->ShareMode & FILE_SHARE_WRITE)) Object->ExclusiveWrite +=
Change;
-
- Object->HandleCount += Change;
-
- return Object->HandleCount;
+static LONG
+AdjustHandleCounts(IN PCONSOLE_IO_HANDLE Handle,
+ IN LONG Change)
+{
+ PCONSOLE_IO_OBJECT Object = Handle->Object;
+
+ DPRINT("AdjustHandleCounts(0x%p, %d), Object = 0x%p\n",
+ Handle, Change, Object);
+ DPRINT("\tAdjustHandleCounts(0x%p, %d), Object = 0x%p, Object->ReferenceCount
= %d, Object->Type = %lu\n",
+ Handle, Change, Object, Object->ReferenceCount, Object->Type);
+
+ if (Handle->Access & GENERIC_READ) Object->AccessRead += Change;
+ if (Handle->Access & GENERIC_WRITE) Object->AccessWrite +=
Change;
+ if (!(Handle->ShareMode & FILE_SHARE_READ)) Object->ExclusiveRead +=
Change;
+ if (!(Handle->ShareMode & FILE_SHARE_WRITE)) Object->ExclusiveWrite +=
Change;
+
+ Object->ReferenceCount += Change;
+
+ return Object->ReferenceCount;
}
static VOID
-ConSrvCreateHandleEntry(PCONSOLE_IO_HANDLE Entry)
-{
- /// LOCK /// PCONSOLE_IO_OBJECT Object = Entry->Object;
- /// LOCK /// EnterCriticalSection(&Object->Console->Lock);
- AdjustHandleCounts(Entry, +1);
- /// LOCK /// LeaveCriticalSection(&Object->Console->Lock);
-}
-
-static VOID
-ConSrvCloseHandleEntry(PCONSOLE_IO_HANDLE Entry)
-{
- PCONSOLE_IO_OBJECT Object = Entry->Object;
+ConSrvCloseHandle(IN PCONSOLE_IO_HANDLE Handle)
+{
+ PCONSOLE_IO_OBJECT Object = Handle->Object;
if (Object != NULL)
{
- /// LOCK /// PCONSOLE Console = Object->Console;
- /// LOCK /// EnterCriticalSection(&Console->Lock);
-
/*
* If this is a input handle, notify and dereference
* all the waits related to this handle.
@@ -87,7 +79,7 @@
CsrNotifyWait(&Console->ReadWaitQueue,
TRUE,
NULL,
- (PVOID)Entry);
+ (PVOID)Handle);
if (!IsListEmpty(&Console->ReadWaitQueue))
{
CsrDereferenceWait(&Console->ReadWaitQueue);
@@ -95,7 +87,7 @@
}
/* If the last handle to a screen buffer is closed, delete it... */
- if (AdjustHandleCounts(Entry, -1) == 0)
+ if (AdjustHandleCounts(Handle, -1) == 0)
{
if (Object->Type == TEXTMODE_BUFFER || Object->Type ==
GRAPHICS_BUFFER)
{
@@ -116,14 +108,16 @@
}
}
- /// LOCK /// LeaveCriticalSection(&Console->Lock);
-
/* Invalidate (zero-out) this handle entry */
- // Entry->Object = NULL;
- // RtlZeroMemory(Entry, sizeof(*Entry));
- }
- RtlZeroMemory(Entry, sizeof(*Entry)); // Be sure the whole entry is invalidated.
-}
+ // Handle->Object = NULL;
+ // RtlZeroMemory(Handle, sizeof(*Handle));
+ }
+ RtlZeroMemory(Handle, sizeof(*Handle)); // Be sure the whole entry is invalidated.
+}
+
+
+
+
/* Forward declaration, used in ConSrvInitHandlesTable */
@@ -244,10 +238,10 @@
{
/*
* Copy the handle data and increment the reference count of the
- * pointed object (via the call to ConSrvCreateHandleEntry).
+ * pointed object (via the call to ConSrvCreateHandleEntry ==
AdjustHandleCounts).
*/
TargetProcessData->HandleTable[j] = SourceProcessData->HandleTable[i];
- ConSrvCreateHandleEntry(&TargetProcessData->HandleTable[j]);
+ AdjustHandleCounts(&TargetProcessData->HandleTable[j], +1);
++j;
}
}
@@ -258,7 +252,7 @@
}
static VOID
-ConSrvFreeHandlesTable(PCONSOLE_PROCESS_DATA ProcessData)
+ConSrvFreeHandlesTable(IN PCONSOLE_PROCESS_DATA ProcessData)
{
RtlEnterCriticalSection(&ProcessData->HandleTableLock);
@@ -277,7 +271,7 @@
/* Close all the console handles */
for (i = 0; i < ProcessData->HandleTableSize; i++)
{
- ConSrvCloseHandleEntry(&ProcessData->HandleTable[i]);
+ ConSrvCloseHandle(&ProcessData->HandleTable[i]);
}
}
/* Free the handles table memory */
@@ -290,6 +284,12 @@
RtlLeaveCriticalSection(&ProcessData->HandleTableLock);
}
+
+
+
+
+
+// ConSrvCreateObject
VOID
ConSrvInitObject(IN OUT PCONSOLE_IO_OBJECT Object,
IN CONSOLE_IO_OBJECT_TYPE Type,
@@ -300,18 +300,19 @@
Object->Type = Type;
Object->Console = Console;
+ Object->ReferenceCount = 0;
+
Object->AccessRead = Object->AccessWrite = 0;
Object->ExclusiveRead = Object->ExclusiveWrite = 0;
- Object->HandleCount = 0;
}
NTSTATUS
-ConSrvInsertObject(PCONSOLE_PROCESS_DATA ProcessData,
- PHANDLE Handle,
- PCONSOLE_IO_OBJECT Object,
- DWORD Access,
- BOOL Inheritable,
- DWORD ShareMode)
+ConSrvInsertObject(IN PCONSOLE_PROCESS_DATA ProcessData,
+ OUT PHANDLE Handle,
+ IN PCONSOLE_IO_OBJECT Object,
+ IN ULONG Access,
+ IN BOOLEAN Inheritable,
+ IN ULONG ShareMode)
{
#define IO_HANDLES_INCREMENT 2 * 3
@@ -362,7 +363,7 @@
ProcessData->HandleTable[i].Access = Access;
ProcessData->HandleTable[i].Inheritable = Inheritable;
ProcessData->HandleTable[i].ShareMode = ShareMode;
- ConSrvCreateHandleEntry(&ProcessData->HandleTable[i]);
+ AdjustHandleCounts(&ProcessData->HandleTable[i], +1);
*Handle = ULongToHandle((i << 2) | 0x3);
// RtlLeaveCriticalSection(&ProcessData->HandleTableLock);
@@ -371,8 +372,8 @@
}
NTSTATUS
-ConSrvRemoveObject(PCONSOLE_PROCESS_DATA ProcessData,
- HANDLE Handle)
+ConSrvRemoveObject(IN PCONSOLE_PROCESS_DATA ProcessData,
+ IN HANDLE Handle)
{
ULONG Index = HandleToULong(Handle) >> 2;
@@ -390,20 +391,20 @@
}
ASSERT(ProcessData->ConsoleHandle);
- ConSrvCloseHandleEntry(&ProcessData->HandleTable[Index]);
+ ConSrvCloseHandle(&ProcessData->HandleTable[Index]);
RtlLeaveCriticalSection(&ProcessData->HandleTableLock);
return STATUS_SUCCESS;
}
NTSTATUS
-ConSrvGetObject(PCONSOLE_PROCESS_DATA ProcessData,
- HANDLE Handle,
- PCONSOLE_IO_OBJECT* Object,
- PVOID* Entry OPTIONAL,
- DWORD Access,
- BOOL LockConsole,
- CONSOLE_IO_OBJECT_TYPE Type)
+ConSrvGetObject(IN PCONSOLE_PROCESS_DATA ProcessData,
+ IN HANDLE Handle,
+ OUT PCONSOLE_IO_OBJECT* Object,
+ OUT PVOID* Entry OPTIONAL,
+ IN ULONG Access,
+ IN BOOLEAN LockConsole,
+ IN CONSOLE_IO_OBJECT_TYPE Type)
{
// NTSTATUS Status;
ULONG Index = HandleToULong(Handle) >> 2;
@@ -461,11 +462,16 @@
}
VOID
-ConSrvReleaseObject(PCONSOLE_IO_OBJECT Object,
- BOOL IsConsoleLocked)
+ConSrvReleaseObject(IN PCONSOLE_IO_OBJECT Object,
+ IN BOOLEAN IsConsoleLocked)
{
ConSrvReleaseConsole(Object->Console, IsConsoleLocked);
}
+
+
+
+
+
NTSTATUS
ConSrvAllocateConsole(PCONSOLE_PROCESS_DATA ProcessData,
@@ -548,7 +554,7 @@
NTSTATUS
ConSrvInheritConsole(PCONSOLE_PROCESS_DATA ProcessData,
HANDLE ConsoleHandle,
- BOOL CreateNewHandlesTable,
+ BOOLEAN CreateNewHandlesTable,
PHANDLE pInputHandle,
PHANDLE pOutputHandle,
PHANDLE pErrorHandle)
@@ -826,7 +832,7 @@
(DuplicateHandleRequest->Options & DUPLICATE_CLOSE_SOURCE))
{
/* Close the original handle if needed */
- ConSrvCloseHandleEntry(Entry);
+ ConSrvCloseHandle(Entry);
}
Quit:
Modified: branches/condrv_restructure/win32ss/user/winsrv/consrv/handle.h
URL:
http://svn.reactos.org/svn/reactos/branches/condrv_restructure/win32ss/user…
==============================================================================
--- branches/condrv_restructure/win32ss/user/winsrv/consrv/handle.h [iso-8859-1]
(original)
+++ branches/condrv_restructure/win32ss/user/winsrv/consrv/handle.h [iso-8859-1] Mon Aug
11 13:31:22 2014
@@ -10,23 +10,28 @@
#pragma once
-VOID ConSrvInitObject(IN OUT PCONSOLE_IO_OBJECT Object,
- IN CONSOLE_IO_OBJECT_TYPE Type,
- IN PCONSOLE Console);
-NTSTATUS ConSrvInsertObject(PCONSOLE_PROCESS_DATA ProcessData,
- PHANDLE Handle,
- PCONSOLE_IO_OBJECT Object,
- DWORD Access,
- BOOL Inheritable,
- DWORD ShareMode);
-NTSTATUS ConSrvRemoveObject(PCONSOLE_PROCESS_DATA ProcessData,
- HANDLE Handle);
-NTSTATUS ConSrvGetObject(PCONSOLE_PROCESS_DATA ProcessData,
- HANDLE Handle,
- PCONSOLE_IO_OBJECT* Object,
- PVOID* Entry OPTIONAL,
- DWORD Access,
- BOOL LockConsole,
- CONSOLE_IO_OBJECT_TYPE Type);
-VOID ConSrvReleaseObject(PCONSOLE_IO_OBJECT Object,
- BOOL IsConsoleLocked);
+VOID
+ConSrvInitObject(IN OUT PCONSOLE_IO_OBJECT Object,
+ IN CONSOLE_IO_OBJECT_TYPE Type,
+ IN PCONSOLE Console);
+NTSTATUS
+ConSrvInsertObject(IN PCONSOLE_PROCESS_DATA ProcessData,
+ OUT PHANDLE Handle,
+ IN PCONSOLE_IO_OBJECT Object,
+ IN ULONG Access,
+ IN BOOLEAN Inheritable,
+ IN ULONG ShareMode);
+NTSTATUS
+ConSrvRemoveObject(IN PCONSOLE_PROCESS_DATA ProcessData,
+ IN HANDLE Handle);
+NTSTATUS
+ConSrvGetObject(IN PCONSOLE_PROCESS_DATA ProcessData,
+ IN HANDLE Handle,
+ OUT PCONSOLE_IO_OBJECT* Object,
+ OUT PVOID* Entry OPTIONAL,
+ IN ULONG Access,
+ IN BOOLEAN LockConsole,
+ IN CONSOLE_IO_OBJECT_TYPE Type);
+VOID
+ConSrvReleaseObject(IN PCONSOLE_IO_OBJECT Object,
+ IN BOOLEAN IsConsoleLocked);
Modified: branches/condrv_restructure/win32ss/user/winsrv/consrv/include/conio.h
URL:
http://svn.reactos.org/svn/reactos/branches/condrv_restructure/win32ss/user…
==============================================================================
--- branches/condrv_restructure/win32ss/user/winsrv/consrv/include/conio.h [iso-8859-1]
(original)
+++ branches/condrv_restructure/win32ss/user/winsrv/consrv/include/conio.h [iso-8859-1]
Mon Aug 11 13:31:22 2014
@@ -31,20 +31,23 @@
/* Object type magic numbers */
typedef enum _CONSOLE_IO_OBJECT_TYPE
{
-// ANY_TYPE_BUFFER = 0x00, // --> Match any types of IO handles
- TEXTMODE_BUFFER = 0x01, // --> Output-type handles for text SBs
- GRAPHICS_BUFFER = 0x02, // --> Output-type handles for graphics SBs
+ UNKNOWN = 0x00, // --> Unknown object
+ TEXTMODE_BUFFER = 0x01, // --> Output-type object for text SBs
+ GRAPHICS_BUFFER = 0x02, // --> Output-type object for graphics SBs
SCREEN_BUFFER = 0x03, // --> Any SB type
- INPUT_BUFFER = 0x04 // --> Input-type handles
+ INPUT_BUFFER = 0x04, // --> Input-type object
+ ANY_TYPE_BUFFER = 0x07, // --> Any IO object
} CONSOLE_IO_OBJECT_TYPE;
typedef struct _CONSOLE_IO_OBJECT
{
CONSOLE_IO_OBJECT_TYPE Type;
+
struct _CONSOLE* /* PCONSOLE */ Console;
+ LONG ReferenceCount; /* Is incremented each time a console object gets referenced
*/
+
LONG AccessRead, AccessWrite;
LONG ExclusiveRead, ExclusiveWrite;
- LONG HandleCount;
} CONSOLE_IO_OBJECT, *PCONSOLE_IO_OBJECT;
Modified: branches/condrv_restructure/win32ss/user/winsrv/consrv/include/conio_winsrv.h
URL:
http://svn.reactos.org/svn/reactos/branches/condrv_restructure/win32ss/user…
==============================================================================
---
branches/condrv_restructure/win32ss/user/winsrv/consrv/include/conio_winsrv.h [iso-8859-1]
(original)
+++
branches/condrv_restructure/win32ss/user/winsrv/consrv/include/conio_winsrv.h [iso-8859-1]
Mon Aug 11 13:31:22 2014
@@ -83,6 +83,7 @@
PFRONTEND_VTBL Vtbl; /* Virtual table */
NTSTATUS (NTAPI *UnloadFrontEnd)(IN OUT PFRONTEND This);
+ // struct _WINSRV_CONSOLE*
struct _CONSOLE* Console; /* Console to which the frontend is attached to */
PVOID Data; /* Private data */
PVOID OldData; /* Reserved */
Modified: branches/condrv_restructure/win32ss/user/winsrv/consrv/procinit.h
URL:
http://svn.reactos.org/svn/reactos/branches/condrv_restructure/win32ss/user…
==============================================================================
--- branches/condrv_restructure/win32ss/user/winsrv/consrv/procinit.h [iso-8859-1]
(original)
+++ branches/condrv_restructure/win32ss/user/winsrv/consrv/procinit.h [iso-8859-1] Mon Aug
11 13:31:22 2014
@@ -15,7 +15,7 @@
PCONSOLE_START_INFO ConsoleStartInfo);
NTSTATUS ConSrvInheritConsole(PCONSOLE_PROCESS_DATA ProcessData,
HANDLE ConsoleHandle,
- BOOL CreateNewHandlesTable,
+ BOOLEAN CreateNewHandlesTable,
PHANDLE pInputHandle,
PHANDLE pOutputHandle,
PHANDLE pErrorHandle);
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