dlls/ktmw32/ktmw32_main.c

   1 /*
   2  * Copyright 2010 Vincent Povirk for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19
  20
  21 #include <stdarg.h>
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winternl.h"
  26
  27 static inline BOOL set_ntstatus( NTSTATUS status )
  28 {
  29     if (status) RtlSetLastWin32Error( RtlNtStatusToDosError( status ));
  30     return !status;
  31 }
  32
  33 static inline LARGE_INTEGER *get_nt_timeout( LARGE_INTEGER *time, DWORD timeout )
  34 {
  35     if (timeout == INFINITE) return NULL;
  36     time->QuadPart = (ULONGLONG)timeout * -10000;
  37     return time;
  38 }
  39
  40 /***********************************************************************
  41  * CommitTransaction (ktmw32.@)
  42  */
  43 BOOL WINAPI CommitTransaction(HANDLE transaction)
  44 {
  45     return set_ntstatus( NtCommitTransaction( transaction, TRUE ));
  46 }
  47
  48 /***********************************************************************
  49  * CreateTransaction (ktmw32.@)
  50  */
  51 HANDLE WINAPI CreateTransaction( SECURITY_ATTRIBUTES *sa, GUID *guid, DWORD options, DWORD level, DWORD flags,
  52         DWORD timeout, WCHAR *desc )
  53 {
  54     ULONG obj_flags = OBJ_CASE_INSENSITIVE;
  55     UNICODE_STRING desc_str;
  56     OBJECT_ATTRIBUTES attr;
  57     LARGE_INTEGER time;
  58     HANDLE handle;
  59
  60     if (sa && sa->bInheritHandle) obj_flags |= OBJ_INHERIT;
  61     InitializeObjectAttributes( &attr, NULL, obj_flags, 0, sa ? sa->lpSecurityDescriptor : NULL );
  62
  63     RtlInitUnicodeString( &desc_str, desc );
  64
  65     if (!set_ntstatus( NtCreateTransaction( &handle, 0 /* FIXME */, &attr, guid, NULL, options, level, flags,
  66             get_nt_timeout( &time, timeout ), &desc_str )))
  67     {
  68         return INVALID_HANDLE_VALUE;
  69     }
  70
  71     return handle;
  72 }
  73
  74 /***********************************************************************
  75  * RollbackTransaction (ktmw32.@)
  76  */
  77 BOOL WINAPI RollbackTransaction(HANDLE transaction)
  78 {
  79     return set_ntstatus( NtRollbackTransaction( transaction, TRUE ));
  80 }