2 * ReactOS W32 Subsystem
3 * Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 ReactOS Team
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 * $Id: painting.c 16320 2005-06-29 07:09:25Z navaraf $
21 * COPYRIGHT: See COPYING in the top level directory
22 * PROJECT: ReactOS kernel
23 * PURPOSE: ntuser init. and main funcs.
24 * FILE: subsys/win32k/ntuser/ntuser.c
26 * 16 July 2005 Created (hardon)
29 /* INCLUDES ******************************************************************/
38 /* FUNCTIONS **********************************************************/
41 NTSTATUS FASTCALL
InitUserImpl(VOID
)
45 ExInitializeResourceLite(&UserLock
);
47 if (!ObmCreateHandleTable())
49 DPRINT1("Failed creating handle table\n");
50 return STATUS_INSUFFICIENT_RESOURCES
;
53 Status
= InitSessionImpl();
54 if (!NT_SUCCESS(Status
))
56 DPRINT1("Error init session impl.\n");
60 return STATUS_SUCCESS
;
65 True if current thread owns the lock (possibly shared)
67 BOOL FASTCALL
UserIsEntered()
69 return ExIsResourceAcquiredExclusiveLite(&UserLock
)
70 || ExIsResourceAcquiredSharedLite(&UserLock
);
73 BOOL FASTCALL
UserIsEnteredExclusive()
75 return ExIsResourceAcquiredExclusiveLite(&UserLock
);
78 VOID FASTCALL
CleanupUserImpl(VOID
)
80 ExDeleteResourceLite(&UserLock
);
83 VOID FASTCALL
UserEnterShared(VOID
)
85 ExAcquireResourceSharedLite(&UserLock
, TRUE
);
88 VOID FASTCALL
UserEnterExclusive(VOID
)
90 ExAcquireResourceExclusiveLite(&UserLock
, TRUE
);
93 VOID FASTCALL
UserLeave(VOID
)
95 ExReleaseResourceLite(&UserLock
);