dlls/ntdll/file.c

   1 /*
   2  * Copyright 1999, 2000 Juergen Schmied
   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 #include "config.h"
  20 #include "wine/port.h"
  21
  22 #include <stdlib.h>
  23 #include <string.h>
  24 #include <stdio.h>
  25 #include <errno.h>
  26 #include <assert.h>
  27 #ifdef HAVE_UNISTD_H
  28 # include <unistd.h>
  29 #endif
  30 #ifdef HAVE_SYS_ERRNO_H
  31 #include <sys/errno.h>
  32 #endif
  33
  34 #define NONAMELESSUNION
  35 #define NONAMELESSSTRUCT
  36 #include "wine/unicode.h"
  37 #include "wine/debug.h"
  38 #include "wine/server.h"
  39 #include "async.h"
  40 #include "ntdll_misc.h"
  41 #include "file.h" /* FIXME */
  42 #include "../files/smb.h"
  43
  44 #include "winternl.h"
  45 #include "winioctl.h"
  46
  47 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
  48
  49 /**************************************************************************
  50  *                 NtOpenFile                           [NTDLL.@]
  51  *                 ZwOpenFile                           [NTDLL.@]
  52  *
  53  * Open a file.
  54  *
  55  * PARAMS
  56  *  FileHandle       [O] Variable that receives the file handle on return
  57  *  DesiredAccess    [I] Access desired by the caller to the file
  58  *  ObjectAttributes [I] Structue describing the file to be opened
  59  *  IoStatusBlock    [O] Receives details about the result of the operation
  60  *  ShareAccess      [I] Type of shared access the caller requires
  61  *  OpenOptions      [I] Options for the file open
  62  *
  63  * RETURNS
  64  *  Success: 0. FileHandle and IoStatusBlock are updated.
  65  *  Failure: An NTSTATUS error code describing the error.
  66  */
  67 NTSTATUS WINAPI NtOpenFile(
  68         OUT PHANDLE FileHandle,
  69         ACCESS_MASK DesiredAccess,
  70         POBJECT_ATTRIBUTES ObjectAttributes,
  71         OUT PIO_STATUS_BLOCK IoStatusBlock,
  72         ULONG ShareAccess,
  73         ULONG OpenOptions)
  74 {
  75         LPWSTR filename;
  76         static const WCHAR szDosDevices[] = {'\\','D','o','s','D','e','v','i','c','e','s','\\',0};
  77         DOS_FULL_NAME full_name;
  78         NTSTATUS r;
  79
  80         FIXME("(%p,0x%08lx,%p,%p,0x%08lx,0x%08lx) partial stub\n",
  81                 FileHandle, DesiredAccess, ObjectAttributes,
  82                 IoStatusBlock, ShareAccess, OpenOptions);
  83
  84         dump_ObjectAttributes (ObjectAttributes);
  85
  86         if(ObjectAttributes->RootDirectory)
  87         {
  88                 FIXME("Object root directory unknown %p\n",
  89                         ObjectAttributes->RootDirectory);
  90                 return STATUS_OBJECT_NAME_NOT_FOUND;
  91         }
  92
  93         filename = ObjectAttributes->ObjectName->Buffer;
  94
  95         /* FIXME: DOSFS stuff should call here, not vice-versa */
  96         if(strncmpW(filename, szDosDevices, strlenW(szDosDevices)))
  97                 return STATUS_OBJECT_NAME_NOT_FOUND;
  98
  99         /* FIXME: this calls SetLastError() -> bad */
 100         if(!DOSFS_GetFullName(&filename[strlenW(szDosDevices)], TRUE,
 101                                 &full_name))
 102                 return STATUS_OBJECT_NAME_NOT_FOUND;
 103
 104         /* FIXME: modify server protocol so
 105                   create file takes an OBJECT_ATTRIBUTES structure */
 106         SERVER_START_REQ( create_file )
 107         {
 108             req->access     = DesiredAccess;
 109             req->inherit    = 0;
 110             req->sharing    = ShareAccess;
 111             req->create     = OPEN_EXISTING;
 112             req->attrs      = 0;
 113             req->drive_type = GetDriveTypeW( full_name.short_name );
 114             wine_server_add_data( req, full_name.long_name, strlen(full_name.long_name) );
 115             SetLastError(0);
 116             r = wine_server_call( req );
 117             *FileHandle = reply->handle;
 118         }
 119         SERVER_END_REQ;
 120
 121         return r;
 122 }
 123
 124 /**************************************************************************
 125  *              NtCreateFile                            [NTDLL.@]
 126  *              ZwCreateFile                            [NTDLL.@]
 127  *
 128  * Either create a new file or directory, or open an existing file, device,
 129  * directory or volume.
 130  *
 131  * PARAMS
 132  *      FileHandle        [O] Points to a variable which receives the file handle on return
 133  *      DesiredAccess     [I] Desired access to the file
 134  *      ObjectAttributes  [I] Structure describing the file
 135  *      IoStatusBlock     [O] Receives information about the operation on return
 136  *      AllocationSize    [I] Initial size of the file in bytes
 137  *      FileAttributes    [I] Attributes to create the file with
 138  *      ShareAccess       [I] Type of shared access the caller would like to the file
 139  *      CreateDisposition [I] Specifies what to do, depending on whether the file already exists
 140  *      CreateOptions     [I] Options for creating a new file
 141  *      EaBuffer          [I] Undocumented
 142  *      EaLength          [I] Undocumented
 143  *
 144  * RETURNS
 145  *  Success: 0. FileHandle and IoStatusBlock are updated.
 146  *  Failure: An NTSTATUS error code describing the error.
 147  */
 148 NTSTATUS WINAPI NtCreateFile(
 149         OUT PHANDLE FileHandle,
 150         ACCESS_MASK DesiredAccess,
 151         POBJECT_ATTRIBUTES ObjectAttributes,
 152         OUT PIO_STATUS_BLOCK IoStatusBlock,
 153         PLARGE_INTEGER AllocateSize,
 154         ULONG FileAttributes,
 155         ULONG ShareAccess,
 156         ULONG CreateDisposition,
 157         ULONG CreateOptions,
 158         PVOID EaBuffer,
 159         ULONG EaLength)
 160 {
 161         FIXME("(%p,0x%08lx,%p,%p,%p,0x%08lx,0x%08lx,0x%08lx,0x%08lx,%p,0x%08lx) stub\n",
 162         FileHandle,DesiredAccess,ObjectAttributes,
 163         IoStatusBlock,AllocateSize,FileAttributes,
 164         ShareAccess,CreateDisposition,CreateOptions,EaBuffer,EaLength);
 165         dump_ObjectAttributes (ObjectAttributes);
 166         return 0;
 167 }
 168
 169 /***********************************************************************
 170  *                  Asynchronous file I/O                              *
 171  */
 172 static DWORD fileio_get_async_count(const async_private *ovp);
 173 static void CALLBACK fileio_call_completion_func(ULONG_PTR data);
 174 static void fileio_async_cleanup(async_private *ovp);
 175
 176 static async_ops fileio_async_ops =
 177 {
 178     fileio_get_async_count,        /* get_count */
 179     fileio_call_completion_func,   /* call_completion */
 180     fileio_async_cleanup           /* cleanup */
 181 };
 182
 183 static async_ops fileio_nocomp_async_ops =
 184 {
 185     fileio_get_async_count,        /* get_count */
 186     NULL,                          /* call_completion */
 187     fileio_async_cleanup           /* cleanup */
 188 };
 189
 190 typedef struct async_fileio
 191 {
 192     struct async_private             async;
 193     PIO_APC_ROUTINE                  apc;
 194     void*                            apc_user;
 195     char                             *buffer;
 196     unsigned int                     count;
 197     unsigned long                    offset;
 198     enum fd_type                     fd_type;
 199 } async_fileio;
 200
 201 static DWORD fileio_get_async_count(const struct async_private *ovp)
 202 {
 203     async_fileio *fileio = (async_fileio*) ovp;
 204
 205     if (fileio->count < fileio->async.iosb->Information)
 206         return 0;
 207     return fileio->count - fileio->async.iosb->Information;
 208 }
 209
 210 static void CALLBACK fileio_call_completion_func(ULONG_PTR data)
 211 {
 212     async_fileio *ovp = (async_fileio*) data;
 213     TRACE("data: %p\n", ovp);
 214
 215     ovp->apc( ovp->apc_user, ovp->async.iosb, ovp->async.iosb->Information );
 216
 217     fileio_async_cleanup( &ovp->async );
 218 }
 219
 220 static void fileio_async_cleanup( struct async_private *ovp )
 221 {
 222     RtlFreeHeap( ntdll_get_process_heap(), 0, ovp );
 223 }
 224
 225 /***********************************************************************
 226  *           FILE_GetUnixHandleType
 227  *
 228  * Retrieve the Unix handle corresponding to a file handle.
 229  * Returns -1 on failure.
 230  */
 231 static int FILE_GetUnixHandleType( HANDLE handle, DWORD access, enum fd_type *type, int *flags_ptr, int *fd )
 232 {
 233     int ret, flags;
 234
 235     *fd = -1;
 236     ret = wine_server_handle_to_fd( handle, access, fd, type, &flags );
 237     if (flags_ptr) *flags_ptr = flags;
 238     if (!ret && (((access & GENERIC_READ)  && (flags & FD_FLAG_RECV_SHUTDOWN)) ||
 239                  ((access & GENERIC_WRITE) && (flags & FD_FLAG_SEND_SHUTDOWN))))
 240     {
 241         close(*fd);
 242         ret = STATUS_PIPE_DISCONNECTED;
 243     }
 244     return ret;
 245 }
 246
 247 /***********************************************************************
 248  *           FILE_GetNtStatus(void)
 249  *
 250  * Retrieve the Nt Status code from errno.
 251  * Try to be consistent with FILE_SetDosError().
 252  */
 253 static DWORD FILE_GetNtStatus(void)
 254 {
 255     int err = errno;
 256     DWORD nt;
 257
 258     TRACE( "errno = %d\n", errno );
 259     switch (err)
 260     {
 261     case EAGAIN:       nt = STATUS_SHARING_VIOLATION;       break;
 262     case EBADF:        nt = STATUS_INVALID_HANDLE;          break;
 263     case ENOSPC:       nt = STATUS_DISK_FULL;               break;
 264     case EPERM:
 265     case EROFS:
 266     case EACCES:       nt = STATUS_ACCESS_DENIED;           break;
 267     case ENOENT:       nt = STATUS_SHARING_VIOLATION;       break;
 268     case EISDIR:       nt = STATUS_FILE_IS_A_DIRECTORY;     break;
 269     case EMFILE:
 270     case ENFILE:       nt = STATUS_NO_MORE_FILES;           break;
 271     case EINVAL:
 272     case ENOTEMPTY:    nt = STATUS_DIRECTORY_NOT_EMPTY;     break;
 273     case EPIPE:        nt = STATUS_PIPE_BROKEN;             break;
 274     case ENOEXEC:      /* ?? */
 275     case ESPIPE:       /* ?? */
 276     case EEXIST:       /* ?? */
 277     default:
 278         FIXME( "Converting errno %d to STATUS_UNSUCCESSFUL\n", err );
 279         nt = STATUS_UNSUCCESSFUL;
 280     }
 281     return nt;
 282 }
 283
 284 /***********************************************************************
 285  *             FILE_AsyncReadService      (INTERNAL)
 286  *
 287  *  This function is called while the client is waiting on the
 288  *  server, so we can't make any server calls here.
 289  */
 290 static void FILE_AsyncReadService(async_private *ovp)
 291 {
 292     async_fileio *fileio = (async_fileio*) ovp;
 293     IO_STATUS_BLOCK*  io_status = fileio->async.iosb;
 294     int result;
 295     int already = io_status->Information;
 296
 297     TRACE("%p %p\n", io_status, fileio->buffer );
 298
 299     /* check to see if the data is ready (non-blocking) */
 300
 301     if ( fileio->fd_type == FD_TYPE_SOCKET )
 302         result = read(ovp->fd, &fileio->buffer[already], fileio->count - already);
 303     else
 304     {
 305         result = pread(ovp->fd, &fileio->buffer[already], fileio->count - already,
 306                        fileio->offset + already);
 307         if ((result < 0) && (errno == ESPIPE))
 308             result = read(ovp->fd, &fileio->buffer[already], fileio->count - already);
 309     }
 310
 311     if ((result < 0) && ((errno == EAGAIN) || (errno == EINTR)))
 312     {
 313         TRACE("Deferred read %d\n",errno);
 314         io_status->u.Status = STATUS_PENDING;
 315         return;
 316     }
 317
 318     /* check to see if the transfer is complete */
 319     if (result < 0)
 320     {
 321         io_status->u.Status = FILE_GetNtStatus();
 322         return;
 323     }
 324     else if (result == 0)
 325     {
 326         io_status->u.Status = io_status->Information ? STATUS_SUCCESS : STATUS_END_OF_FILE;
 327         return;
 328     }
 329
 330     io_status->Information += result;
 331     if (io_status->Information >= fileio->count || fileio->fd_type == FD_TYPE_SOCKET )
 332         io_status->u.Status = STATUS_SUCCESS;
 333     else
 334         io_status->u.Status = STATUS_PENDING;
 335
 336     TRACE("read %d more bytes %ld/%d so far\n",
 337           result, io_status->Information, fileio->count);
 338 }
 339
 340
 341 /******************************************************************************
 342  *  NtReadFile                                  [NTDLL.@]
 343  *  ZwReadFile                                  [NTDLL.@]
 344  *
 345  * Read from an open file handle.
 346  *
 347  * PARAMS
 348  *  FileHandle    [I] Handle returned from ZwOpenFile() or ZwCreateFile()
 349  *  Event         [I] Event to signal upon completion (or NULL)
 350  *  ApcRoutine    [I] Callback to call upon completion (or NULL)
 351  *  ApcContext    [I] Context for ApcRoutine (or NULL)
 352  *  IoStatusBlock [O] Receives information about the operation on return
 353  *  Buffer        [O] Destination for the data read
 354  *  Length        [I] Size of Buffer
 355  *  ByteOffset    [O] Destination for the new file pointer position (or NULL)
 356  *  Key           [O] Function unknown (may be NULL)
 357  *
 358  * RETURNS
 359  *  Success: 0. IoStatusBlock is updated, and the Information member contains
 360  *           The number of bytes read.
 361  *  Failure: An NTSTATUS error code describing the error.
 362  */
 363 NTSTATUS WINAPI NtReadFile(HANDLE hFile, HANDLE hEvent,
 364                            PIO_APC_ROUTINE apc, void* apc_user,
 365                            PIO_STATUS_BLOCK io_status, void* buffer, ULONG length,
 366                            PLARGE_INTEGER offset, PULONG key)
 367 {
 368     int unix_handle, flags;
 369     enum fd_type type;
 370
 371     TRACE("(%p,%p,%p,%p,%p,%p,0x%08lx,%p,%p),partial stub!\n",
 372           hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
 373
 374     io_status->Information = 0;
 375     io_status->u.Status = FILE_GetUnixHandleType( hFile, GENERIC_READ, &type, &flags, &unix_handle );
 376     if (io_status->u.Status) return io_status->u.Status;
 377
 378     if (flags & FD_FLAG_TIMEOUT)
 379     {
 380         if (hEvent)
 381         {
 382             /* this shouldn't happen, but check it */
 383             FIXME("NIY-hEvent\n");
 384             return STATUS_NOT_IMPLEMENTED;
 385         }
 386         io_status->u.Status = NtCreateEvent(&hEvent, SYNCHRONIZE, NULL, 0, 0);
 387         if (io_status->u.Status) return io_status->u.Status;
 388     }
 389
 390     if (flags & (FD_FLAG_OVERLAPPED|FD_FLAG_TIMEOUT))
 391     {
 392         async_fileio*   ovp;
 393         NTSTATUS ret;
 394
 395         if (unix_handle < 0) return STATUS_INVALID_HANDLE;
 396
 397         ovp = RtlAllocateHeap(ntdll_get_process_heap(), 0, sizeof(async_fileio));
 398         if (!ovp) return STATUS_NO_MEMORY;
 399
 400         ovp->async.ops = (apc ? &fileio_async_ops : &fileio_nocomp_async_ops );
 401         ovp->async.handle = hFile;
 402         ovp->async.fd = unix_handle;
 403         ovp->async.type = ASYNC_TYPE_READ;
 404         ovp->async.func = FILE_AsyncReadService;
 405         ovp->async.event = hEvent;
 406         ovp->async.iosb = io_status;
 407         ovp->count = length;
 408         ovp->offset = offset->s.LowPart;
 409         if (offset->s.HighPart) FIXME("NIY-high part\n");
 410         ovp->apc = apc;
 411         ovp->apc_user = apc_user;
 412         ovp->buffer = buffer;
 413         ovp->fd_type = type;
 414
 415         io_status->Information = 0;
 416         ret = register_new_async(&ovp->async);
 417         if (ret != STATUS_SUCCESS)
 418             return ret;
 419         if (flags & FD_FLAG_TIMEOUT)
 420         {
 421             NtWaitForSingleObject(hEvent, TRUE, NULL);
 422             NtClose(hEvent);
 423         }
 424         else
 425         {
 426             LARGE_INTEGER   timeout;
 427
 428             /* let some APC be run, this will read some already pending data */
 429             timeout.s.LowPart = timeout.s.HighPart = 0;
 430             NtDelayExecution( TRUE, &timeout );
 431         }
 432         return io_status->u.Status;
 433     }
 434     switch (type)
 435     {
 436     case FD_TYPE_SMB:
 437         FIXME("NIY-SMB\n");
 438         close(unix_handle);
 439         return SMB_ReadFile(hFile, buffer, length, io_status);
 440
 441     case FD_TYPE_DEFAULT:
 442         /* normal unix files */
 443         if (unix_handle == -1) return STATUS_INVALID_HANDLE;
 444         break;
 445
 446     default:
 447         FIXME("Unsupported type of fd %d\n", type);
 448         if (unix_handle == -1) close(unix_handle);
 449         return STATUS_INVALID_HANDLE;
 450     }
 451
 452     if (offset)
 453     {
 454         FILE_POSITION_INFORMATION   fpi;
 455
 456         fpi.CurrentByteOffset = *offset;
 457         io_status->u.Status = NtSetInformationFile(hFile, io_status, &fpi, sizeof(fpi),
 458                                                    FilePositionInformation);
 459         if (io_status->u.Status)
 460         {
 461             close(unix_handle);
 462             return io_status->u.Status;
 463         }
 464     }
 465     /* code for synchronous reads */
 466     while ((io_status->Information = read( unix_handle, buffer, length )) == -1)
 467     {
 468         if ((errno == EAGAIN) || (errno == EINTR)) continue;
 469         if (errno == EFAULT) FIXME( "EFAULT handling broken for now\n" );
 470         io_status->u.Status = FILE_GetNtStatus();
 471         break;
 472     }
 473     close( unix_handle );
 474     return io_status->u.Status;
 475 }
 476
 477 /***********************************************************************
 478  *             FILE_AsyncWriteService      (INTERNAL)
 479  *
 480  *  This function is called while the client is waiting on the
 481  *  server, so we can't make any server calls here.
 482  */
 483 static void FILE_AsyncWriteService(struct async_private *ovp)
 484 {
 485     async_fileio *fileio = (async_fileio *) ovp;
 486     PIO_STATUS_BLOCK io_status = fileio->async.iosb;
 487     int result;
 488     int already = io_status->Information;
 489
 490     TRACE("(%p %p)\n",io_status,fileio->buffer);
 491
 492     /* write some data (non-blocking) */
 493
 494     if ( fileio->fd_type == FD_TYPE_SOCKET )
 495         result = write(ovp->fd, &fileio->buffer[already], fileio->count - already);
 496     else
 497     {
 498         result = pwrite(ovp->fd, &fileio->buffer[already], fileio->count - already,
 499                         fileio->offset + already);
 500         if ((result < 0) && (errno == ESPIPE))
 501             result = write(ovp->fd, &fileio->buffer[already], fileio->count - already);
 502     }
 503
 504     if ((result < 0) && ((errno == EAGAIN) || (errno == EINTR)))
 505     {
 506         io_status->u.Status = STATUS_PENDING;
 507         return;
 508     }
 509
 510     /* check to see if the transfer is complete */
 511     if (result < 0)
 512     {
 513         io_status->u.Status = FILE_GetNtStatus();
 514         return;
 515     }
 516
 517     io_status->Information += result;
 518     io_status->u.Status = (io_status->Information < fileio->count) ? STATUS_PENDING : STATUS_SUCCESS;
 519     TRACE("wrote %d more bytes %ld/%d so far\n",result,io_status->Information,fileio->count);
 520 }
 521
 522 /******************************************************************************
 523  *  NtWriteFile                                 [NTDLL.@]
 524  *  ZwWriteFile                                 [NTDLL.@]
 525  *
 526  * Write to an open file handle.
 527  *
 528  * PARAMS
 529  *  FileHandle    [I] Handle returned from ZwOpenFile() or ZwCreateFile()
 530  *  Event         [I] Event to signal upon completion (or NULL)
 531  *  ApcRoutine    [I] Callback to call upon completion (or NULL)
 532  *  ApcContext    [I] Context for ApcRoutine (or NULL)
 533  *  IoStatusBlock [O] Receives information about the operation on return
 534  *  Buffer        [I] Source for the data to write
 535  *  Length        [I] Size of Buffer
 536  *  ByteOffset    [O] Destination for the new file pointer position (or NULL)
 537  *  Key           [O] Function unknown (may be NULL)
 538  *
 539  * RETURNS
 540  *  Success: 0. IoStatusBlock is updated, and the Information member contains
 541  *           The number of bytes written.
 542  *  Failure: An NTSTATUS error code describing the error.
 543  */
 544 NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
 545                             PIO_APC_ROUTINE apc, void* apc_user,
 546                             PIO_STATUS_BLOCK io_status,
 547                             const void* buffer, ULONG length,
 548                             PLARGE_INTEGER offset, PULONG key)
 549 {
 550     int unix_handle, flags;
 551     enum fd_type type;
 552
 553     TRACE("(%p,%p,%p,%p,%p,%p,0x%08lx,%p,%p)!\n",
 554           hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
 555
 556     TRACE("(%p,%p,%p,%p,%p,%p,0x%08lx,%p,%p),partial stub!\n",
 557           hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
 558
 559     io_status->Information = 0;
 560
 561     io_status->u.Status = FILE_GetUnixHandleType( hFile, GENERIC_WRITE, &type, &flags, &unix_handle );
 562     if (io_status->u.Status) return io_status->u.Status;
 563
 564     if (flags & (FD_FLAG_OVERLAPPED|FD_FLAG_TIMEOUT))
 565     {
 566         async_fileio*   ovp;
 567         NTSTATUS ret;
 568
 569         if (unix_handle < 0) return STATUS_INVALID_HANDLE;
 570
 571         ovp = RtlAllocateHeap(ntdll_get_process_heap(), 0, sizeof(async_fileio));
 572         if (!ovp) return STATUS_NO_MEMORY;
 573
 574         ovp->async.ops = (apc ? &fileio_async_ops : &fileio_nocomp_async_ops );
 575         ovp->async.handle = hFile;
 576         ovp->async.fd = unix_handle;
 577         ovp->async.type = ASYNC_TYPE_WRITE;
 578         ovp->async.func = FILE_AsyncWriteService;
 579         ovp->async.event = hEvent;
 580         ovp->async.iosb = io_status;
 581         ovp->count = length;
 582         ovp->offset = offset->s.LowPart;
 583         if (offset->s.HighPart) FIXME("NIY-high part\n");
 584         ovp->apc = apc;
 585         ovp->apc_user = apc_user;
 586         ovp->buffer = (void*)buffer;
 587         ovp->fd_type = type;
 588
 589         io_status->Information = 0;
 590         ret = register_new_async(&ovp->async);
 591         if (ret != STATUS_SUCCESS)
 592             return ret;
 593         if (flags & FD_FLAG_TIMEOUT)
 594         {
 595             NtWaitForSingleObject(hEvent, TRUE, NULL);
 596             NtClose(hEvent);
 597         }
 598         else
 599         {
 600             LARGE_INTEGER   timeout;
 601
 602             /* let some APC be run, this will write as much data as possible */
 603             timeout.s.LowPart = timeout.s.HighPart = 0;
 604             NtDelayExecution( TRUE, &timeout );
 605         }
 606         return io_status->u.Status;
 607     }
 608     switch (type)
 609     {
 610     case FD_TYPE_SMB:
 611         FIXME("NIY-SMB\n");
 612         close(unix_handle);
 613         return STATUS_NOT_IMPLEMENTED;
 614
 615     case FD_TYPE_DEFAULT:
 616         /* normal unix files */
 617         if (unix_handle == -1) return STATUS_INVALID_HANDLE;
 618         break;
 619
 620     default:
 621         FIXME("Unsupported type of fd %d\n", type);
 622         if (unix_handle == -1) close(unix_handle);
 623         return STATUS_INVALID_HANDLE;
 624     }
 625
 626     if (offset)
 627     {
 628         FILE_POSITION_INFORMATION   fpi;
 629
 630         fpi.CurrentByteOffset = *offset;
 631         io_status->u.Status = NtSetInformationFile(hFile, io_status, &fpi, sizeof(fpi),
 632                                                    FilePositionInformation);
 633         if (io_status->u.Status)
 634         {
 635             close(unix_handle);
 636             return io_status->u.Status;
 637         }
 638     }
 639
 640     /* synchronous file write */
 641     while ((io_status->Information = write( unix_handle, buffer, length )) == -1)
 642     {
 643         if ((errno == EAGAIN) || (errno == EINTR)) continue;
 644         if (errno == EFAULT) FIXME( "EFAULT handling broken for now\n" );
 645         if (errno == ENOSPC) io_status->u.Status = STATUS_DISK_FULL;
 646         else io_status->u.Status = FILE_GetNtStatus();
 647         break;
 648     }
 649     close( unix_handle );
 650     return io_status->u.Status;
 651 }
 652
 653 /**************************************************************************
 654  *              NtDeviceIoControlFile                   [NTDLL.@]
 655  *              ZwDeviceIoControlFile                   [NTDLL.@]
 656  *
 657  * Perform an I/O control operation on an open file handle.
 658  *
 659  * PARAMS
 660  *  DeviceHandle     [I] Handle returned from ZwOpenFile() or ZwCreateFile()
 661  *  Event            [I] Event to signal upon completion (or NULL)
 662  *  ApcRoutine       [I] Callback to call upon completion (or NULL)
 663  *  ApcContext       [I] Context for ApcRoutine (or NULL)
 664  *  IoStatusBlock    [O] Receives information about the operation on return
 665  *  IoControlCode    [I] Control code for the operation to perform
 666  *  InputBuffer      [I] Source for any input data required (or NULL)
 667  *  InputBufferSize  [I] Size of InputBuffer
 668  *  OutputBuffer     [O] Source for any output data returned (or NULL)
 669  *  OutputBufferSize [I] Size of OutputBuffer
 670  *
 671  * RETURNS
 672  *  Success: 0. IoStatusBlock is updated.
 673  *  Failure: An NTSTATUS error code describing the error.
 674  */
 675 NTSTATUS WINAPI NtDeviceIoControlFile(HANDLE DeviceHandle, HANDLE hEvent,
 676                                       PIO_APC_ROUTINE UserApcRoutine,
 677                                       PVOID UserApcContext,
 678                                       PIO_STATUS_BLOCK IoStatusBlock,
 679                                       ULONG IoControlCode,
 680                                       PVOID InputBuffer,
 681                                       ULONG InputBufferSize,
 682                                       PVOID OutputBuffer,
 683                                       ULONG OutputBufferSize)
 684 {
 685     DWORD               clientID = 0;
 686     char                str[3];
 687
 688     TRACE("(%p,%p,%p,%p,%p,0x%08lx,%p,0x%08lx,%p,0x%08lx)\n",
 689           DeviceHandle, hEvent, UserApcRoutine, UserApcContext,
 690           IoStatusBlock, IoControlCode,
 691           InputBuffer, InputBufferSize, OutputBuffer, OutputBufferSize);
 692
 693     /* FIXME: clientID hack should disappear */
 694     SERVER_START_REQ( get_device_id )
 695     {
 696         req->handle = DeviceHandle;
 697         if (!wine_server_call( req )) clientID = reply->id;
 698     }
 699     SERVER_END_REQ;
 700
 701     if (!clientID) return STATUS_INVALID_PARAMETER;
 702     strcpy(str,  "A:");
 703     str[0] += LOBYTE(clientID);
 704
 705     /* FIXME: should use the NTDLL equivalent */
 706     if (GetDriveTypeA(str) == DRIVE_CDROM)
 707     {
 708         return CDROM_DeviceIoControl(clientID, DeviceHandle, hEvent,
 709                                      UserApcRoutine, UserApcContext,
 710                                      IoStatusBlock, IoControlCode,
 711                                      InputBuffer, InputBufferSize,
 712                                      OutputBuffer, OutputBufferSize);
 713     }
 714
 715     FIXME("Unimplemented dwIoControlCode=%08lx\n", IoControlCode);
 716     IoStatusBlock->u.Status = STATUS_NOT_IMPLEMENTED;
 717     IoStatusBlock->Information = 0;
 718     if (hEvent) NtSetEvent(hEvent, NULL);
 719     return STATUS_NOT_IMPLEMENTED;
 720 }
 721
 722 /******************************************************************************
 723  * NtFsControlFile [NTDLL.@]
 724  * ZwFsControlFile [NTDLL.@]
 725  */
 726 NTSTATUS WINAPI NtFsControlFile(
 727         IN HANDLE DeviceHandle,
 728         IN HANDLE Event OPTIONAL,
 729         IN PIO_APC_ROUTINE ApcRoutine OPTIONAL,
 730         IN PVOID ApcContext OPTIONAL,
 731         OUT PIO_STATUS_BLOCK IoStatusBlock,
 732         IN ULONG IoControlCode,
 733         IN PVOID InputBuffer,
 734         IN ULONG InputBufferSize,
 735         OUT PVOID OutputBuffer,
 736         IN ULONG OutputBufferSize)
 737 {
 738         FIXME("(%p,%p,%p,%p,%p,0x%08lx,%p,0x%08lx,%p,0x%08lx): stub\n",
 739         DeviceHandle,Event,ApcRoutine,ApcContext,IoStatusBlock,IoControlCode,
 740         InputBuffer,InputBufferSize,OutputBuffer,OutputBufferSize);
 741         return 0;
 742 }
 743
 744 /******************************************************************************
 745  *  NtSetVolumeInformationFile          [NTDLL.@]
 746  *  ZwSetVolumeInformationFile          [NTDLL.@]
 747  *
 748  * Set volume information for an open file handle.
 749  *
 750  * PARAMS
 751  *  FileHandle         [I] Handle returned from ZwOpenFile() or ZwCreateFile()
 752  *  IoStatusBlock      [O] Receives information about the operation on return
 753  *  FsInformation      [I] Source for volume information
 754  *  Length             [I] Size of FsInformation
 755  *  FsInformationClass [I] Type of volume information to set
 756  *
 757  * RETURNS
 758  *  Success: 0. IoStatusBlock is updated.
 759  *  Failure: An NTSTATUS error code describing the error.
 760  */
 761 NTSTATUS WINAPI NtSetVolumeInformationFile(
 762         IN HANDLE FileHandle,
 763         PIO_STATUS_BLOCK IoStatusBlock,
 764         PVOID FsInformation,
 765         ULONG Length,
 766         FS_INFORMATION_CLASS FsInformationClass)
 767 {
 768         FIXME("(%p,%p,%p,0x%08lx,0x%08x) stub\n",
 769         FileHandle,IoStatusBlock,FsInformation,Length,FsInformationClass);
 770         return 0;
 771 }
 772
 773 /******************************************************************************
 774  *  NtQueryInformationFile              [NTDLL.@]
 775  *  ZwQueryInformationFile              [NTDLL.@]
 776  *
 777  * Get information about an open file handle.
 778  *
 779  * PARAMS
 780  *  FileHandle           [I] Handle returned from ZwOpenFile() or ZwCreateFile()
 781  *  IoStatusBlock        [O] Receives information about the operation on return
 782  *  FileInformation      [O] Destination for file information
 783  *  Length               [I] Size of FileInformation
 784  *  FileInformationClass [I] Type of file information to get
 785  *
 786  * RETURNS
 787  *  Success: 0. IoStatusBlock and FileInformation are updated.
 788  *  Failure: An NTSTATUS error code describing the error.
 789  */
 790 NTSTATUS WINAPI NtQueryInformationFile(HANDLE hFile, PIO_STATUS_BLOCK io_status,
 791                                        PVOID ptr, LONG len,
 792                                        FILE_INFORMATION_CLASS class)
 793 {
 794     NTSTATUS    status;
 795     LONG        used = 0;
 796     BYTE        answer[256];
 797     time_t      ct = 0, wt = 0, at = 0;
 798
 799     TRACE("(%p,%p,%p,0x%08lx,0x%08x)\n", hFile, io_status, ptr, len, class);
 800
 801     switch (class)
 802     {
 803     case FileBasicInformation:
 804         {
 805             FILE_BASIC_INFORMATION*  fbi = (FILE_BASIC_INFORMATION*)answer;
 806             if (sizeof(answer) < sizeof(*fbi)) goto too_small;
 807
 808             SERVER_START_REQ( get_file_info )
 809             {
 810                 req->handle = hFile;
 811                 if (!(status = wine_server_call( req )))
 812                 {
 813                     /* FIXME: which file types are supported ?
 814                      * Serial ports (FILE_TYPE_CHAR) are not,
 815                      * and MSDN also says that pipes are not supported.
 816                      * FILE_TYPE_REMOTE seems to be supported according to
 817                      * MSDN q234741.txt */
 818                     if ((reply->type == FILE_TYPE_DISK) ||
 819                         (reply->type == FILE_TYPE_REMOTE))
 820                     {
 821                         at = reply->access_time;
 822                         wt = reply->write_time;
 823                         ct = reply->change_time;
 824                         fbi->FileAttributes = reply->attr;
 825                         used = sizeof(*fbi);
 826                     }
 827                     else status = STATUS_INVALID_HANDLE; /* FIXME ??? */
 828                 }
 829             }
 830             SERVER_END_REQ;
 831             if (used)
 832             {
 833                 RtlSecondsSince1970ToTime(wt, &fbi->CreationTime);
 834                 RtlSecondsSince1970ToTime(wt, &fbi->LastWriteTime);
 835                 RtlSecondsSince1970ToTime(ct, &fbi->ChangeTime);
 836                 RtlSecondsSince1970ToTime(at, &fbi->LastAccessTime);
 837             }
 838         }
 839         break;
 840     case FileStandardInformation:
 841         {
 842             FILE_STANDARD_INFORMATION*  fsi = (FILE_STANDARD_INFORMATION*)answer;
 843             if (sizeof(answer) < sizeof(*fsi)) goto too_small;
 844
 845             SERVER_START_REQ( get_file_info )
 846             {
 847                 req->handle = hFile;
 848                 if (!(status = wine_server_call( req )))
 849                 {
 850                     /* FIXME: which file types are supported ?
 851                      * Serial ports (FILE_TYPE_CHAR) are not,
 852                      * and MSDN also says that pipes are not supported.
 853                      * FILE_TYPE_REMOTE seems to be supported according to
 854                      * MSDN q234741.txt */
 855                     if ((reply->type == FILE_TYPE_DISK) ||
 856                         (reply->type == FILE_TYPE_REMOTE))
 857                     {
 858                         fsi->AllocationSize.s.HighPart = reply->alloc_high;
 859                         fsi->AllocationSize.s.LowPart  = reply->alloc_low;
 860                         fsi->EndOfFile.s.HighPart      = reply->size_high;
 861                         fsi->EndOfFile.s.LowPart       = reply->size_low;
 862                         fsi->NumberOfLinks             = reply->links;
 863                         fsi->DeletePending             = FALSE; /* FIXME */
 864                         fsi->Directory                 = (reply->attr & FILE_ATTRIBUTE_DIRECTORY);
 865                         used = sizeof(*fsi);
 866                     }
 867                     else status = STATUS_INVALID_HANDLE; /* FIXME ??? */
 868                 }
 869             }
 870             SERVER_END_REQ;
 871         }
 872         break;
 873     case FilePositionInformation:
 874         {
 875             FILE_POSITION_INFORMATION*  fpi = (FILE_POSITION_INFORMATION*)answer;
 876             if (sizeof(answer) < sizeof(*fpi)) goto too_small;
 877
 878             SERVER_START_REQ( set_file_pointer )
 879             {
 880                 req->handle = hFile;
 881                 req->low = 0;
 882                 req->high = 0;
 883                 req->whence = SEEK_CUR;
 884                 if (!(status = wine_server_call( req )))
 885                 {
 886                     fpi->CurrentByteOffset.s.HighPart = reply->new_high;
 887                     fpi->CurrentByteOffset.s.LowPart  = reply->new_low;
 888                     used = sizeof(*fpi);
 889                 }
 890             }
 891             SERVER_END_REQ;
 892         }
 893         break;
 894     default:
 895         FIXME("Unsupported class (%d)\n", class);
 896         return io_status->u.Status = STATUS_NOT_IMPLEMENTED;
 897     }
 898     if (used) memcpy(ptr, answer, min(used, len));
 899     io_status->u.Status = status;
 900     io_status->Information = len;
 901     return status;
 902  too_small:
 903     io_status->Information = 0;
 904     return io_status->u.Status = STATUS_BUFFER_TOO_SMALL;
 905 }
 906
 907 /******************************************************************************
 908  *  NtSetInformationFile                [NTDLL.@]
 909  *  ZwSetInformationFile                [NTDLL.@]
 910  *
 911  * Set information about an open file handle.
 912  *
 913  * PARAMS
 914  *  FileHandle           [I] Handle returned from ZwOpenFile() or ZwCreateFile()
 915  *  IoStatusBlock        [O] Receives information about the operation on return
 916  *  FileInformation      [I] Source for file information
 917  *  Length               [I] Size of FileInformation
 918  *  FileInformationClass [I] Type of file information to set
 919  *
 920  * RETURNS
 921  *  Success: 0. IoStatusBlock is updated.
 922  *  Failure: An NTSTATUS error code describing the error.
 923  */
 924 NTSTATUS WINAPI NtSetInformationFile(HANDLE hFile, PIO_STATUS_BLOCK io_status,
 925                                      PVOID ptr, ULONG len,
 926                                      FILE_INFORMATION_CLASS class)
 927 {
 928     NTSTATUS    status = STATUS_INVALID_PARAMETER_3;
 929
 930     TRACE("(%p,%p,%p,0x%08lx,0x%08x)\n", hFile, io_status, ptr, len, class);
 931
 932     switch (class)
 933     {
 934     case FilePositionInformation:
 935         if (len >= sizeof(FILE_POSITION_INFORMATION))
 936         {
 937             FILE_POSITION_INFORMATION*  fpi = (FILE_POSITION_INFORMATION*)ptr;
 938
 939             SERVER_START_REQ( set_file_pointer )
 940             {
 941                 req->handle = hFile;
 942                 req->low = fpi->CurrentByteOffset.s.LowPart;
 943                 req->high = fpi->CurrentByteOffset.s.HighPart;
 944                 req->whence = SEEK_SET;
 945                 status = wine_server_call( req );
 946             }
 947             SERVER_END_REQ;
 948             status = STATUS_SUCCESS;
 949         }
 950         break;
 951     default:
 952         FIXME("Unsupported class (%d)\n", class);
 953         return STATUS_NOT_IMPLEMENTED;
 954     }
 955     io_status->u.Status = status;
 956     io_status->Information = 0;
 957     return status;
 958 }
 959
 960 /******************************************************************************
 961  *  NtQueryDirectoryFile        [NTDLL.@]
 962  *  ZwQueryDirectoryFile        [NTDLL.@]
 963  */
 964 NTSTATUS WINAPI NtQueryDirectoryFile(
 965         IN HANDLE FileHandle,
 966         IN HANDLE Event OPTIONAL,
 967         IN PIO_APC_ROUTINE ApcRoutine OPTIONAL,
 968         IN PVOID ApcContext OPTIONAL,
 969         OUT PIO_STATUS_BLOCK IoStatusBlock,
 970         OUT PVOID FileInformation,
 971         IN ULONG Length,
 972         IN FILE_INFORMATION_CLASS FileInformationClass,
 973         IN BOOLEAN ReturnSingleEntry,
 974         IN PUNICODE_STRING FileName OPTIONAL,
 975         IN BOOLEAN RestartScan)
 976 {
 977         FIXME("(%p %p %p %p %p %p 0x%08lx 0x%08x 0x%08x %p 0x%08x\n",
 978         FileHandle, Event, ApcRoutine, ApcContext, IoStatusBlock, FileInformation,
 979         Length, FileInformationClass, ReturnSingleEntry,
 980         debugstr_us(FileName),RestartScan);
 981         return 0;
 982 }
 983
 984 /******************************************************************************
 985  *  NtQueryVolumeInformationFile                [NTDLL.@]
 986  *  ZwQueryVolumeInformationFile                [NTDLL.@]
 987  *
 988  * Get volume information for an open file handle.
 989  *
 990  * PARAMS
 991  *  FileHandle         [I] Handle returned from ZwOpenFile() or ZwCreateFile()
 992  *  IoStatusBlock      [O] Receives information about the operation on return
 993  *  FsInformation      [O] Destination for volume information
 994  *  Length             [I] Size of FsInformation
 995  *  FsInformationClass [I] Type of volume information to set
 996  *
 997  * RETURNS
 998  *  Success: 0. IoStatusBlock and FsInformation are updated.
 999  *  Failure: An NTSTATUS error code describing the error.
1000  */
1001 NTSTATUS WINAPI NtQueryVolumeInformationFile (
1002         IN HANDLE FileHandle,
1003         OUT PIO_STATUS_BLOCK IoStatusBlock,
1004         OUT PVOID FSInformation,
1005         IN ULONG Length,
1006         IN FS_INFORMATION_CLASS FSInformationClass)
1007 {
1008         ULONG len = 0;
1009
1010         FIXME("(%p %p %p 0x%08lx 0x%08x) stub!\n",
1011         FileHandle, IoStatusBlock, FSInformation, Length, FSInformationClass);
1012
1013         switch ( FSInformationClass )
1014         {
1015           case FileFsVolumeInformation:
1016             len = sizeof( FILE_FS_VOLUME_INFORMATION );
1017             break;
1018           case FileFsLabelInformation:
1019             len = 0;
1020             break;
1021
1022           case FileFsSizeInformation:
1023             len = sizeof( FILE_FS_SIZE_INFORMATION );
1024             break;
1025
1026           case FileFsDeviceInformation:
1027             len = sizeof( FILE_FS_DEVICE_INFORMATION );
1028             break;
1029           case FileFsAttributeInformation:
1030             len = sizeof( FILE_FS_ATTRIBUTE_INFORMATION );
1031             break;
1032
1033           case FileFsControlInformation:
1034             len = 0;
1035             break;
1036
1037           case FileFsFullSizeInformation:
1038             len = 0;
1039             break;
1040
1041           case FileFsObjectIdInformation:
1042             len = 0;
1043             break;
1044
1045           case FileFsMaximumInformation:
1046             len = 0;
1047             break;
1048         }
1049
1050         if (Length < len)
1051           return STATUS_BUFFER_TOO_SMALL;
1052
1053         switch ( FSInformationClass )
1054         {
1055           case FileFsVolumeInformation:
1056             break;
1057           case FileFsLabelInformation:
1058             break;
1059
1060           case FileFsSizeInformation:
1061             break;
1062
1063           case FileFsDeviceInformation:
1064             if (FSInformation)
1065             {
1066               FILE_FS_DEVICE_INFORMATION * DeviceInfo = FSInformation;
1067               DeviceInfo->DeviceType = FILE_DEVICE_DISK;
1068               DeviceInfo->Characteristics = 0;
1069               break;
1070             };
1071           case FileFsAttributeInformation:
1072             break;
1073
1074           case FileFsControlInformation:
1075             break;
1076
1077           case FileFsFullSizeInformation:
1078             break;
1079
1080           case FileFsObjectIdInformation:
1081             break;
1082
1083           case FileFsMaximumInformation:
1084             break;
1085         }
1086         IoStatusBlock->u.Status = STATUS_SUCCESS;
1087         IoStatusBlock->Information = len;
1088         return STATUS_SUCCESS;
1089 }
1090
1091 /******************************************************************
1092  *              NtFlushBuffersFile  (NTDLL.@)
1093  *
1094  * Flush any buffered data on an open file handle.
1095  *
1096  * PARAMS
1097  *  FileHandle         [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1098  *  IoStatusBlock      [O] Receives information about the operation on return
1099  *
1100  * RETURNS
1101  *  Success: 0. IoStatusBlock is updated.
1102  *  Failure: An NTSTATUS error code describing the error.
1103  */
1104 NTSTATUS WINAPI NtFlushBuffersFile( HANDLE hFile, IO_STATUS_BLOCK* IoStatusBlock )
1105 {
1106     NTSTATUS ret;
1107     HANDLE hEvent = NULL;
1108
1109     SERVER_START_REQ( flush_file )
1110     {
1111         req->handle = hFile;
1112         ret = wine_server_call( req );
1113         hEvent = reply->event;
1114     }
1115     SERVER_END_REQ;
1116     if (!ret && hEvent)
1117     {
1118         ret = NtWaitForSingleObject( hEvent, FALSE, NULL );
1119         NtClose( hEvent );
1120     }
1121     return ret;
1122 }
1123
1124 /******************************************************************
1125  *              NtLockFile       (NTDLL.@)
1126  *
1127  *
1128  */
1129 NTSTATUS WINAPI NtLockFile( HANDLE hFile, HANDLE lock_granted_event,
1130                             PIO_APC_ROUTINE apc, void* apc_user,
1131                             PIO_STATUS_BLOCK io_status, PLARGE_INTEGER offset,
1132                             PLARGE_INTEGER count, ULONG* key, BOOLEAN dont_wait,
1133                             BOOLEAN exclusive )
1134 {
1135     NTSTATUS    ret;
1136     HANDLE      handle;
1137     BOOLEAN     async;
1138
1139     if (apc || io_status || key)
1140     {
1141         FIXME("Unimplemented yet parameter\n");
1142         return STATUS_NOT_IMPLEMENTED;
1143     }
1144
1145     for (;;)
1146     {
1147         SERVER_START_REQ( lock_file )
1148         {
1149             req->handle      = hFile;
1150             req->offset_low  = offset->s.LowPart;
1151             req->offset_high = offset->s.HighPart;
1152             req->count_low   = count->s.LowPart;
1153             req->count_high  = count->s.HighPart;
1154             req->shared      = !exclusive;
1155             req->wait        = !dont_wait;
1156             ret = wine_server_call( req );
1157             handle = reply->handle;
1158             async  = reply->overlapped;
1159         }
1160         SERVER_END_REQ;
1161         if (ret != STATUS_PENDING)
1162         {
1163             if (!ret && lock_granted_event) NtSetEvent(lock_granted_event, NULL);
1164             return ret;
1165         }
1166
1167         if (async)
1168         {
1169             FIXME( "Async I/O lock wait not implemented, might deadlock\n" );
1170             if (handle) NtClose( handle );
1171             return STATUS_PENDING;
1172         }
1173         if (handle)
1174         {
1175             NtWaitForSingleObject( handle, FALSE, NULL );
1176             NtClose( handle );
1177         }
1178         else
1179         {
1180             LARGE_INTEGER time;
1181
1182             /* Unix lock conflict, sleep a bit and retry */
1183             time.QuadPart = 100 * (ULONGLONG)10000;
1184             time.QuadPart = -time.QuadPart;
1185             NtDelayExecution( FALSE, &time );
1186         }
1187     }
1188 }
1189
1190
1191 /******************************************************************
1192  *              NtUnlockFile    (NTDLL.@)
1193  *
1194  *
1195  */
1196 NTSTATUS WINAPI NtUnlockFile( HANDLE hFile, PIO_STATUS_BLOCK io_status,
1197                               PLARGE_INTEGER offset, PLARGE_INTEGER count,
1198                               PULONG key )
1199 {
1200     NTSTATUS status;
1201
1202     TRACE( "%p %lx%08lx %lx%08lx\n",
1203            hFile, offset->s.HighPart, offset->s.LowPart, count->s.HighPart, count->s.LowPart );
1204
1205     if (io_status || key)
1206     {
1207         FIXME("Unimplemented yet parameter\n");
1208         return STATUS_NOT_IMPLEMENTED;
1209     }
1210
1211     SERVER_START_REQ( unlock_file )
1212     {
1213         req->handle      = hFile;
1214         req->offset_low  = offset->s.LowPart;
1215         req->offset_high = offset->s.HighPart;
1216         req->count_low   = count->s.LowPart;
1217         req->count_high  = count->s.HighPart;
1218         status = wine_server_call( req );
1219     }
1220     SERVER_END_REQ;
1221     return status;
1222 }