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Moved user lock to user.c. Added USER_CheckNotLock function.

This commit is contained in:
Alexandre Julliard 2001-08-16 18:14:22 +00:00
parent 301df6b5cd
commit 6837b9c119
5 changed files with 58 additions and 42 deletions
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5
include/user.h
View File

@ -93,6 +93,11 @@ extern USER_DRIVER USER_Driver;
WORD WINAPI UserSignalProc( UINT uCode, DWORD dwThreadOrProcessID,
DWORD dwFlags, HMODULE16 hModule );
/* user lock */
extern void USER_Lock(void);
extern void USER_Unlock(void);
extern void USER_CheckNotLock(void);
VOID WINAPI MOUSE_Enable(LPMOUSE_EVENT_PROC lpMouseEventProc);
VOID WINAPI MOUSE_Disable(VOID);

2
include/win.h
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@ -84,8 +84,6 @@ typedef struct
#define BWA_SKIPICONIC 0x0008
/* Window functions */
extern void WIN_LockWnds( void );
extern void WIN_UnlockWnds( void );
extern int WIN_SuspendWndsLock( void );
extern void WIN_RestoreWndsLock(int ipreviousLock);
extern WND* WIN_FindWndPtr( HWND hwnd );

24
windows/dce.c
View File

@ -45,7 +45,7 @@ static void DCE_DumpCache(void)
{
DCE *dce;
WIN_LockWnds();
USER_Lock();
dce = firstDCE;
DPRINTF("DCE:\n");
@ -58,7 +58,7 @@ static void DCE_DumpCache(void)
dce = dce->next;
}
WIN_UnlockWnds();
USER_Unlock();
}
/***********************************************************************
@ -119,7 +119,7 @@ DCE* DCE_FreeDCE( DCE *dce )
if (!dce) return NULL;
WIN_LockWnds();
USER_Lock();
ppDCE = &firstDCE;
@ -133,7 +133,7 @@ DCE* DCE_FreeDCE( DCE *dce )
DeleteObject(dce->hClipRgn);
HeapFree( GetProcessHeap(), 0, dce );
WIN_UnlockWnds();
USER_Unlock();
return *ppDCE;
}
@ -147,7 +147,7 @@ void DCE_FreeWindowDCE( WND* pWnd )
{
DCE *pDCE;
WIN_LockWnds();
USER_Lock();
pDCE = firstDCE;
while( pDCE )
@ -192,7 +192,7 @@ void DCE_FreeWindowDCE( WND* pWnd )
pDCE = pDCE->next;
}
WIN_UnlockWnds();
USER_Unlock();
}
@ -603,7 +603,7 @@ INT WINAPI ReleaseDC(
DCE * dce;
INT nRet = 0;
WIN_LockWnds();
USER_Lock();
dce = firstDCE;
TRACE("%04x %04x\n", hwnd, hdc );
@ -614,7 +614,7 @@ INT WINAPI ReleaseDC(
if ( dce->DCXflags & DCX_DCEBUSY )
nRet = DCE_ReleaseDC( dce );
WIN_UnlockWnds();
USER_Unlock();
return nRet;
}
@ -635,7 +635,7 @@ BOOL16 WINAPI DCHook16( HDC16 hDC, WORD code, DWORD data, LPARAM lParam )
assert(dce->hDC == hDC);
/* Grab the windows lock before doing anything else */
WIN_LockWnds();
USER_Lock();
switch( code )
{
@ -672,7 +672,7 @@ BOOL16 WINAPI DCHook16( HDC16 hDC, WORD code, DWORD data, LPARAM lParam )
FIXME("unknown code\n");
}
WIN_UnlockWnds(); /* Release the wnd lock */
USER_Unlock(); /* Release the wnd lock */
return retv;
}
@ -694,13 +694,13 @@ HWND WINAPI WindowFromDC( HDC hDC )
DCE *dce;
HWND hwnd;
WIN_LockWnds();
USER_Lock();
dce = firstDCE;
while (dce && (dce->hDC != hDC)) dce = dce->next;
hwnd = dce ? dce->hwndCurrent : 0;
WIN_UnlockWnds();
USER_Unlock();
return hwnd;
}

33
windows/user.c
View File

@ -31,6 +31,9 @@ DECLARE_DEBUG_CHANNEL(system);
DECLARE_DEBUG_CHANNEL(win);
DECLARE_DEBUG_CHANNEL(win32);
SYSLEVEL USER_SysLevel = { CRITICAL_SECTION_INIT("USER_SysLevel"), 2 };
/***********************************************************************
* GetFreeSystemResources (USER.284)
*/
@ -88,6 +91,36 @@ INT16 WINAPI InitApp16( HINSTANCE16 hInstance )
return 1;
}
/***********************************************************************
* USER_Lock
*/
void USER_Lock(void)
{
_EnterSysLevel( &USER_SysLevel );
}
/***********************************************************************
* USER_Unlock
*/
void USER_Unlock(void)
{
_LeaveSysLevel( &USER_SysLevel );
}
/***********************************************************************
* USER_CheckNotLock
*
* Make sure that we don't hold the user lock.
*/
void USER_CheckNotLock(void)
{
_CheckNotSysLevel( &USER_SysLevel );
}
/**********************************************************************
* USER_ModuleUnload
*/

36
windows/win.c
View File

@ -38,27 +38,7 @@ static WORD wDragWidth = 4;
static WORD wDragHeight= 3;
/* thread safeness */
static SYSLEVEL WIN_SysLevel = { CRITICAL_SECTION_INIT, 2 };
/***********************************************************************
* WIN_LockWnds
*
* Locks access to all WND structures for thread safeness
*/
void WIN_LockWnds( void )
{
_EnterSysLevel( &WIN_SysLevel );
}
/***********************************************************************
* WIN_UnlockWnds
*
* Unlocks access to all WND structures
*/
void WIN_UnlockWnds( void )
{
_LeaveSysLevel( &WIN_SysLevel );
}
extern SYSLEVEL USER_SysLevel; /* FIXME */
/***********************************************************************
* WIN_SuspendWndsLock
@ -68,11 +48,11 @@ void WIN_UnlockWnds( void )
*/
int WIN_SuspendWndsLock( void )
{
int isuspendedLocks = _ConfirmSysLevel( &WIN_SysLevel );
int isuspendedLocks = _ConfirmSysLevel( &USER_SysLevel );
int count = isuspendedLocks;
while ( count-- > 0 )
_LeaveSysLevel( &WIN_SysLevel );
_LeaveSysLevel( &USER_SysLevel );
return isuspendedLocks;
}
@ -85,7 +65,7 @@ int WIN_SuspendWndsLock( void )
void WIN_RestoreWndsLock( int ipreviousLocks )
{
while ( ipreviousLocks-- > 0 )
_EnterSysLevel( &WIN_SysLevel );
_EnterSysLevel( &USER_SysLevel );
}
/***********************************************************************
@ -100,7 +80,7 @@ WND * WIN_FindWndPtr( HWND hwnd )
if (!hwnd || HIWORD(hwnd)) goto error2;
ptr = (WND *) USER_HEAP_LIN_ADDR( hwnd );
/* Lock all WND structures for thread safeness*/
WIN_LockWnds();
USER_Lock();
/*and increment destruction monitoring*/
ptr->irefCount++;
@ -114,7 +94,7 @@ WND * WIN_FindWndPtr( HWND hwnd )
return ptr;
error:
/* Unlock all WND structures for thread safeness*/
WIN_UnlockWnds();
USER_Unlock();
/* and decrement destruction monitoring value */
ptr->irefCount--;
@ -136,7 +116,7 @@ WND *WIN_LockWndPtr(WND *initWndPtr)
if(!initWndPtr) return 0;
/* Lock all WND structures for thread safeness*/
WIN_LockWnds();
USER_Lock();
/*and increment destruction monitoring*/
initWndPtr->irefCount++;
@ -168,7 +148,7 @@ void WIN_ReleaseWndPtr(WND *wndPtr)
ERR("forgot a Lock on %p somewhere\n",wndPtr);
}
/*unlock all WND structures for thread safeness*/
WIN_UnlockWnds();
USER_Unlock();
}
/***********************************************************************