git.oblomov.eu Git - wine/blob - 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 #ifdef HAVE_LINUX_MAJOR_H
  34 # include <linux/major.h>
  35 #endif
  36 #ifdef HAVE_SYS_STATVFS_H
  37 # include <sys/statvfs.h>
  38 #endif
  39 #ifdef HAVE_SYS_PARAM_H
  40 # include <sys/param.h>
  41 #endif
  42 #ifdef HAVE_SYS_TIME_H
  43 # include <sys/time.h>
  44 #endif
  45 #ifdef HAVE_SYS_IOCTL_H
  46 #include <sys/ioctl.h>
  47 #endif
  48 #ifdef HAVE_POLL_H
  49 #include <poll.h>
  50 #endif
  51 #ifdef HAVE_SYS_POLL_H
  52 #include <sys/poll.h>
  53 #endif
  54 #ifdef HAVE_SYS_SOCKET_H
  55 #include <sys/socket.h>
  56 #endif
  57 #ifdef HAVE_UTIME_H
  58 # include <utime.h>
  59 #endif
  60 #ifdef HAVE_SYS_VFS_H
  61 # include <sys/vfs.h>
  62 #endif
  63 #ifdef HAVE_SYS_MOUNT_H
  64 # include <sys/mount.h>
  65 #endif
  66 #ifdef HAVE_SYS_STATFS_H
  67 # include <sys/statfs.h>
  68 #endif
  69
  70 #define NONAMELESSUNION
  71 #define NONAMELESSSTRUCT
  72 #include "ntstatus.h"
  73 #define WIN32_NO_STATUS
  74 #include "wine/unicode.h"
  75 #include "wine/debug.h"
  76 #include "wine/server.h"
  77 #include "ntdll_misc.h"
  78
  79 #include "winternl.h"
  80 #include "winioctl.h"
  81 #include "ddk/ntddser.h"
  82
  83 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
  84
  85 mode_t FILE_umask = 0;
  86
  87 #define SECSPERDAY         86400
  88 #define SECS_1601_TO_1970  ((369 * 365 + 89) * (ULONGLONG)SECSPERDAY)
  89
  90 /**************************************************************************
  91  *                 NtOpenFile                           [NTDLL.@]
  92  *                 ZwOpenFile                           [NTDLL.@]
  93  *
  94  * Open a file.
  95  *
  96  * PARAMS
  97  *  handle    [O] Variable that receives the file handle on return
  98  *  access    [I] Access desired by the caller to the file
  99  *  attr      [I] Structure describing the file to be opened
 100  *  io        [O] Receives details about the result of the operation
 101  *  sharing   [I] Type of shared access the caller requires
 102  *  options   [I] Options for the file open
 103  *
 104  * RETURNS
 105  *  Success: 0. FileHandle and IoStatusBlock are updated.
 106  *  Failure: An NTSTATUS error code describing the error.
 107  */
 108 NTSTATUS WINAPI NtOpenFile( PHANDLE handle, ACCESS_MASK access,
 109                             POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK io,
 110                             ULONG sharing, ULONG options )
 111 {
 112     return NtCreateFile( handle, access, attr, io, NULL, 0,
 113                          sharing, FILE_OPEN, options, NULL, 0 );
 114 }
 115
 116 /**************************************************************************
 117  *              NtCreateFile                            [NTDLL.@]
 118  *              ZwCreateFile                            [NTDLL.@]
 119  *
 120  * Either create a new file or directory, or open an existing file, device,
 121  * directory or volume.
 122  *
 123  * PARAMS
 124  *      handle       [O] Points to a variable which receives the file handle on return
 125  *      access       [I] Desired access to the file
 126  *      attr         [I] Structure describing the file
 127  *      io           [O] Receives information about the operation on return
 128  *      alloc_size   [I] Initial size of the file in bytes
 129  *      attributes   [I] Attributes to create the file with
 130  *      sharing      [I] Type of shared access the caller would like to the file
 131  *      disposition  [I] Specifies what to do, depending on whether the file already exists
 132  *      options      [I] Options for creating a new file
 133  *      ea_buffer    [I] Pointer to an extended attributes buffer
 134  *      ea_length    [I] Length of ea_buffer
 135  *
 136  * RETURNS
 137  *  Success: 0. handle and io are updated.
 138  *  Failure: An NTSTATUS error code describing the error.
 139  */
 140 NTSTATUS WINAPI NtCreateFile( PHANDLE handle, ACCESS_MASK access, POBJECT_ATTRIBUTES attr,
 141                               PIO_STATUS_BLOCK io, PLARGE_INTEGER alloc_size,
 142                               ULONG attributes, ULONG sharing, ULONG disposition,
 143                               ULONG options, PVOID ea_buffer, ULONG ea_length )
 144 {
 145     ANSI_STRING unix_name;
 146     int created = FALSE;
 147
 148     TRACE("handle=%p access=%08x name=%s objattr=%08x root=%p sec=%p io=%p alloc_size=%p\n"
 149           "attr=%08x sharing=%08x disp=%d options=%08x ea=%p.0x%08x\n",
 150           handle, access, debugstr_us(attr->ObjectName), attr->Attributes,
 151           attr->RootDirectory, attr->SecurityDescriptor, io, alloc_size,
 152           attributes, sharing, disposition, options, ea_buffer, ea_length );
 153
 154     if (!attr || !attr->ObjectName) return STATUS_INVALID_PARAMETER;
 155
 156     if (alloc_size) FIXME( "alloc_size not supported\n" );
 157
 158     if (attr->RootDirectory)
 159     {
 160         FIXME( "RootDirectory %p not supported\n", attr->RootDirectory );
 161         return STATUS_OBJECT_NAME_NOT_FOUND;
 162     }
 163
 164     io->u.Status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, disposition,
 165                                               !(attr->Attributes & OBJ_CASE_INSENSITIVE) );
 166
 167     if (io->u.Status == STATUS_BAD_DEVICE_TYPE)
 168     {
 169         SERVER_START_REQ( open_file_object )
 170         {
 171             req->access     = access;
 172             req->attributes = attr->Attributes;
 173             req->rootdir    = attr->RootDirectory;
 174             req->sharing    = sharing;
 175             req->options    = options;
 176             wine_server_add_data( req, attr->ObjectName->Buffer, attr->ObjectName->Length );
 177             io->u.Status = wine_server_call( req );
 178             *handle = reply->handle;
 179         }
 180         SERVER_END_REQ;
 181         if (io->u.Status == STATUS_SUCCESS) io->Information = FILE_OPENED;
 182         return io->u.Status;
 183     }
 184
 185     if (io->u.Status == STATUS_NO_SUCH_FILE &&
 186         disposition != FILE_OPEN && disposition != FILE_OVERWRITE)
 187     {
 188         created = TRUE;
 189         io->u.Status = STATUS_SUCCESS;
 190     }
 191
 192     if (io->u.Status == STATUS_SUCCESS)
 193     {
 194         struct security_descriptor *sd = NULL;
 195         struct object_attributes objattr;
 196
 197         objattr.rootdir = 0;
 198         objattr.sd_len = 0;
 199         objattr.name_len = 0;
 200         if (attr)
 201         {
 202             io->u.Status = NTDLL_create_struct_sd( attr->SecurityDescriptor, &sd, &objattr.sd_len );
 203             if (io->u.Status != STATUS_SUCCESS)
 204             {
 205                 RtlFreeAnsiString( &unix_name );
 206                 return io->u.Status;
 207             }
 208         }
 209
 210         SERVER_START_REQ( create_file )
 211         {
 212             req->access     = access;
 213             req->attributes = attr->Attributes;
 214             req->sharing    = sharing;
 215             req->create     = disposition;
 216             req->options    = options;
 217             req->attrs      = attributes;
 218             wine_server_add_data( req, &objattr, sizeof(objattr) );
 219             if (objattr.sd_len) wine_server_add_data( req, sd, objattr.sd_len );
 220             wine_server_add_data( req, unix_name.Buffer, unix_name.Length );
 221             io->u.Status = wine_server_call( req );
 222             *handle = reply->handle;
 223         }
 224         SERVER_END_REQ;
 225         NTDLL_free_struct_sd( sd );
 226         RtlFreeAnsiString( &unix_name );
 227     }
 228     else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), io->u.Status );
 229
 230     if (io->u.Status == STATUS_SUCCESS)
 231     {
 232         if (created) io->Information = FILE_CREATED;
 233         else switch(disposition)
 234         {
 235         case FILE_SUPERSEDE:
 236             io->Information = FILE_SUPERSEDED;
 237             break;
 238         case FILE_CREATE:
 239             io->Information = FILE_CREATED;
 240             break;
 241         case FILE_OPEN:
 242         case FILE_OPEN_IF:
 243             io->Information = FILE_OPENED;
 244             break;
 245         case FILE_OVERWRITE:
 246         case FILE_OVERWRITE_IF:
 247             io->Information = FILE_OVERWRITTEN;
 248             break;
 249         }
 250     }
 251
 252     return io->u.Status;
 253 }
 254
 255 /***********************************************************************
 256  *                  Asynchronous file I/O                              *
 257  */
 258
 259 struct async_fileio
 260 {
 261     HANDLE              handle;
 262     PIO_APC_ROUTINE     apc;
 263     void               *apc_arg;
 264 };
 265
 266 typedef struct
 267 {
 268     struct async_fileio io;
 269     char*               buffer;
 270     unsigned int        already;
 271     unsigned int        count;
 272     BOOL                avail_mode;
 273 } async_fileio_read;
 274
 275 typedef struct
 276 {
 277     struct async_fileio io;
 278     const char         *buffer;
 279     unsigned int        already;
 280     unsigned int        count;
 281 } async_fileio_write;
 282
 283
 284 /* callback for file I/O user APC */
 285 static void WINAPI fileio_apc( void *arg, IO_STATUS_BLOCK *io, ULONG reserved )
 286 {
 287     struct async_fileio *async = arg;
 288     if (async->apc) async->apc( async->apc_arg, io, reserved );
 289     RtlFreeHeap( GetProcessHeap(), 0, async );
 290 }
 291
 292 /***********************************************************************
 293  *           FILE_GetNtStatus(void)
 294  *
 295  * Retrieve the Nt Status code from errno.
 296  * Try to be consistent with FILE_SetDosError().
 297  */
 298 NTSTATUS FILE_GetNtStatus(void)
 299 {
 300     int err = errno;
 301
 302     TRACE( "errno = %d\n", errno );
 303     switch (err)
 304     {
 305     case EAGAIN:    return STATUS_SHARING_VIOLATION;
 306     case EBADF:     return STATUS_INVALID_HANDLE;
 307     case EBUSY:     return STATUS_DEVICE_BUSY;
 308     case ENOSPC:    return STATUS_DISK_FULL;
 309     case EPERM:
 310     case EROFS:
 311     case EACCES:    return STATUS_ACCESS_DENIED;
 312     case ENOTDIR:   return STATUS_OBJECT_PATH_NOT_FOUND;
 313     case ENOENT:    return STATUS_OBJECT_NAME_NOT_FOUND;
 314     case EISDIR:    return STATUS_FILE_IS_A_DIRECTORY;
 315     case EMFILE:
 316     case ENFILE:    return STATUS_TOO_MANY_OPENED_FILES;
 317     case EINVAL:    return STATUS_INVALID_PARAMETER;
 318     case ENOTEMPTY: return STATUS_DIRECTORY_NOT_EMPTY;
 319     case EPIPE:     return STATUS_PIPE_DISCONNECTED;
 320     case EIO:       return STATUS_DEVICE_NOT_READY;
 321 #ifdef ENOMEDIUM
 322     case ENOMEDIUM: return STATUS_NO_MEDIA_IN_DEVICE;
 323 #endif
 324     case ENXIO:     return STATUS_NO_SUCH_DEVICE;
 325     case ENOTTY:
 326     case EOPNOTSUPP:return STATUS_NOT_SUPPORTED;
 327     case ECONNRESET:return STATUS_PIPE_DISCONNECTED;
 328     case EFAULT:    return STATUS_ACCESS_VIOLATION;
 329     case ESPIPE:    return STATUS_ILLEGAL_FUNCTION;
 330     case ENOEXEC:   /* ?? */
 331     case EEXIST:    /* ?? */
 332     default:
 333         FIXME( "Converting errno %d to STATUS_UNSUCCESSFUL\n", err );
 334         return STATUS_UNSUCCESSFUL;
 335     }
 336 }
 337
 338 /***********************************************************************
 339  *             FILE_AsyncReadService      (INTERNAL)
 340  */
 341 static NTSTATUS FILE_AsyncReadService(void *user, PIO_STATUS_BLOCK iosb, NTSTATUS status, ULONG_PTR *total)
 342 {
 343     async_fileio_read *fileio = user;
 344     int fd, needs_close, result;
 345
 346     switch (status)
 347     {
 348     case STATUS_ALERTED: /* got some new data */
 349         /* check to see if the data is ready (non-blocking) */
 350         if ((status = server_get_unix_fd( fileio->io.handle, FILE_READ_DATA, &fd,
 351                                           &needs_close, NULL, NULL )))
 352             break;
 353
 354         result = read(fd, &fileio->buffer[fileio->already], fileio->count - fileio->already);
 355         if (needs_close) close( fd );
 356
 357         if (result < 0)
 358         {
 359             if (errno == EAGAIN || errno == EINTR)
 360                 status = STATUS_PENDING;
 361             else /* check to see if the transfer is complete */
 362                 status = FILE_GetNtStatus();
 363         }
 364         else if (result == 0)
 365         {
 366             status = fileio->already ? STATUS_SUCCESS : STATUS_PIPE_BROKEN;
 367         }
 368         else
 369         {
 370             fileio->already += result;
 371             if (fileio->already >= fileio->count || fileio->avail_mode)
 372                 status = STATUS_SUCCESS;
 373             else
 374             {
 375                 /* if we only have to read the available data, and none is available,
 376                  * simply cancel the request. If data was available, it has been read
 377                  * while in by previous call (NtDelayExecution)
 378                  */
 379                 status = (fileio->avail_mode) ? STATUS_SUCCESS : STATUS_PENDING;
 380             }
 381         }
 382         break;
 383
 384     case STATUS_TIMEOUT:
 385     case STATUS_IO_TIMEOUT:
 386         if (fileio->already) status = STATUS_SUCCESS;
 387         break;
 388     }
 389     if (status != STATUS_PENDING)
 390     {
 391         iosb->u.Status = status;
 392         iosb->Information = *total = fileio->already;
 393     }
 394     return status;
 395 }
 396
 397 struct io_timeouts
 398 {
 399     int interval;   /* max interval between two bytes */
 400     int total;      /* total timeout for the whole operation */
 401     int end_time;   /* absolute time of end of operation */
 402 };
 403
 404 /* retrieve the I/O timeouts to use for a given handle */
 405 static NTSTATUS get_io_timeouts( HANDLE handle, enum server_fd_type type, ULONG count, BOOL is_read,
 406                                  struct io_timeouts *timeouts )
 407 {
 408     NTSTATUS status = STATUS_SUCCESS;
 409
 410     timeouts->interval = timeouts->total = -1;
 411
 412     switch(type)
 413     {
 414     case FD_TYPE_SERIAL:
 415         {
 416             /* GetCommTimeouts */
 417             SERIAL_TIMEOUTS st;
 418             IO_STATUS_BLOCK io;
 419
 420             status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io,
 421                                             IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) );
 422             if (status) break;
 423
 424             if (is_read)
 425             {
 426                 if (st.ReadIntervalTimeout)
 427                     timeouts->interval = st.ReadIntervalTimeout;
 428
 429                 if (st.ReadTotalTimeoutMultiplier || st.ReadTotalTimeoutConstant)
 430                 {
 431                     timeouts->total = st.ReadTotalTimeoutConstant;
 432                     if (st.ReadTotalTimeoutMultiplier != MAXDWORD)
 433                         timeouts->total += count * st.ReadTotalTimeoutMultiplier;
 434                 }
 435                 else if (st.ReadIntervalTimeout == MAXDWORD)
 436                     timeouts->interval = 0;
 437             }
 438             else  /* write */
 439             {
 440                 if (st.WriteTotalTimeoutMultiplier || st.WriteTotalTimeoutConstant)
 441                 {
 442                     timeouts->total = st.WriteTotalTimeoutConstant;
 443                     if (st.WriteTotalTimeoutMultiplier != MAXDWORD)
 444                         timeouts->total += count * st.WriteTotalTimeoutMultiplier;
 445                 }
 446             }
 447         }
 448         break;
 449     case FD_TYPE_MAILSLOT:
 450         if (is_read)
 451         {
 452             timeouts->interval = 0;  /* return as soon as we got something */
 453             SERVER_START_REQ( set_mailslot_info )
 454             {
 455                 req->handle = handle;
 456                 req->flags = 0;
 457                 if (!(status = wine_server_call( req )) &&
 458                     reply->read_timeout != TIMEOUT_INFINITE)
 459                     timeouts->total = reply->read_timeout / -10000;
 460             }
 461             SERVER_END_REQ;
 462         }
 463         break;
 464     case FD_TYPE_SOCKET:
 465     case FD_TYPE_PIPE:
 466     case FD_TYPE_CHAR:
 467         if (is_read) timeouts->interval = 0;  /* return as soon as we got something */
 468         break;
 469     default:
 470         break;
 471     }
 472     if (timeouts->total != -1) timeouts->end_time = NtGetTickCount() + timeouts->total;
 473     return STATUS_SUCCESS;
 474 }
 475
 476
 477 /* retrieve the timeout for the next wait, in milliseconds */
 478 static inline int get_next_io_timeout( const struct io_timeouts *timeouts, ULONG already )
 479 {
 480     int ret = -1;
 481
 482     if (timeouts->total != -1)
 483     {
 484         ret = timeouts->end_time - NtGetTickCount();
 485         if (ret < 0) ret = 0;
 486     }
 487     if (already && timeouts->interval != -1)
 488     {
 489         if (ret == -1 || ret > timeouts->interval) ret = timeouts->interval;
 490     }
 491     return ret;
 492 }
 493
 494
 495 /* retrieve the avail_mode flag for async reads */
 496 static NTSTATUS get_io_avail_mode( HANDLE handle, enum server_fd_type type, BOOL *avail_mode )
 497 {
 498     NTSTATUS status = STATUS_SUCCESS;
 499
 500     switch(type)
 501     {
 502     case FD_TYPE_SERIAL:
 503         {
 504             /* GetCommTimeouts */
 505             SERIAL_TIMEOUTS st;
 506             IO_STATUS_BLOCK io;
 507
 508             status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io,
 509                                             IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) );
 510             if (status) break;
 511             *avail_mode = (!st.ReadTotalTimeoutMultiplier &&
 512                            !st.ReadTotalTimeoutConstant &&
 513                            st.ReadIntervalTimeout == MAXDWORD);
 514         }
 515         break;
 516     case FD_TYPE_MAILSLOT:
 517     case FD_TYPE_SOCKET:
 518     case FD_TYPE_PIPE:
 519     case FD_TYPE_CHAR:
 520         *avail_mode = TRUE;
 521         break;
 522     default:
 523         *avail_mode = FALSE;
 524         break;
 525     }
 526     return status;
 527 }
 528
 529
 530 /******************************************************************************
 531  *  NtReadFile                                  [NTDLL.@]
 532  *  ZwReadFile                                  [NTDLL.@]
 533  *
 534  * Read from an open file handle.
 535  *
 536  * PARAMS
 537  *  FileHandle    [I] Handle returned from ZwOpenFile() or ZwCreateFile()
 538  *  Event         [I] Event to signal upon completion (or NULL)
 539  *  ApcRoutine    [I] Callback to call upon completion (or NULL)
 540  *  ApcContext    [I] Context for ApcRoutine (or NULL)
 541  *  IoStatusBlock [O] Receives information about the operation on return
 542  *  Buffer        [O] Destination for the data read
 543  *  Length        [I] Size of Buffer
 544  *  ByteOffset    [O] Destination for the new file pointer position (or NULL)
 545  *  Key           [O] Function unknown (may be NULL)
 546  *
 547  * RETURNS
 548  *  Success: 0. IoStatusBlock is updated, and the Information member contains
 549  *           The number of bytes read.
 550  *  Failure: An NTSTATUS error code describing the error.
 551  */
 552 NTSTATUS WINAPI NtReadFile(HANDLE hFile, HANDLE hEvent,
 553                            PIO_APC_ROUTINE apc, void* apc_user,
 554                            PIO_STATUS_BLOCK io_status, void* buffer, ULONG length,
 555                            PLARGE_INTEGER offset, PULONG key)
 556 {
 557     int result, unix_handle, needs_close, timeout_init_done = 0;
 558     unsigned int options;
 559     struct io_timeouts timeouts;
 560     NTSTATUS status;
 561     ULONG total = 0;
 562     enum server_fd_type type;
 563     ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
 564
 565     TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
 566           hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
 567
 568     if (!io_status) return STATUS_ACCESS_VIOLATION;
 569
 570     status = server_get_unix_fd( hFile, FILE_READ_DATA, &unix_handle,
 571                                  &needs_close, &type, &options );
 572     if (status) return status;
 573
 574     if (type == FD_TYPE_FILE && offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */ )
 575     {
 576         /* async I/O doesn't make sense on regular files */
 577         while ((result = pread( unix_handle, buffer, length, offset->QuadPart )) == -1)
 578         {
 579             if (errno != EINTR)
 580             {
 581                 status = FILE_GetNtStatus();
 582                 goto done;
 583             }
 584         }
 585         if (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT))
 586             /* update file pointer position */
 587             lseek( unix_handle, offset->QuadPart + result, SEEK_SET );
 588
 589         total = result;
 590         status = total ? STATUS_SUCCESS : STATUS_END_OF_FILE;
 591         goto done;
 592     }
 593
 594     for (;;)
 595     {
 596         if ((result = read( unix_handle, (char *)buffer + total, length - total )) >= 0)
 597         {
 598             total += result;
 599             if (!result || total == length)
 600             {
 601                 if (total)
 602                     status = STATUS_SUCCESS;
 603                 else
 604                     status = (type == FD_TYPE_FILE || type == FD_TYPE_CHAR) ? STATUS_END_OF_FILE : STATUS_PIPE_BROKEN;
 605                 goto done;
 606             }
 607         }
 608         else
 609         {
 610             if (errno == EINTR) continue;
 611             if (errno != EAGAIN)
 612             {
 613                 status = FILE_GetNtStatus();
 614                 goto done;
 615             }
 616         }
 617
 618         if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)))
 619         {
 620             async_fileio_read *fileio;
 621             BOOL avail_mode;
 622
 623             if ((status = get_io_avail_mode( hFile, type, &avail_mode )))
 624                 goto err;
 625             if (total && avail_mode)
 626             {
 627                 status = STATUS_SUCCESS;
 628                 goto done;
 629             }
 630
 631             if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*fileio))))
 632             {
 633                 status = STATUS_NO_MEMORY;
 634                 goto err;
 635             }
 636             fileio->io.handle  = hFile;
 637             fileio->io.apc     = apc;
 638             fileio->io.apc_arg = apc_user;
 639             fileio->already = total;
 640             fileio->count = length;
 641             fileio->buffer = buffer;
 642             fileio->avail_mode = avail_mode;
 643
 644             SERVER_START_REQ( register_async )
 645             {
 646                 req->handle = hFile;
 647                 req->type   = ASYNC_TYPE_READ;
 648                 req->count  = length;
 649                 req->async.callback = FILE_AsyncReadService;
 650                 req->async.iosb     = io_status;
 651                 req->async.arg      = fileio;
 652                 req->async.apc      = fileio_apc;
 653                 req->async.event    = hEvent;
 654                 req->async.cvalue   = cvalue;
 655                 status = wine_server_call( req );
 656             }
 657             SERVER_END_REQ;
 658
 659             if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
 660             goto err;
 661         }
 662         else  /* synchronous read, wait for the fd to become ready */
 663         {
 664             struct pollfd pfd;
 665             int ret, timeout;
 666
 667             if (!timeout_init_done)
 668             {
 669                 timeout_init_done = 1;
 670                 if ((status = get_io_timeouts( hFile, type, length, TRUE, &timeouts )))
 671                     goto err;
 672                 if (hEvent) NtResetEvent( hEvent, NULL );
 673             }
 674             timeout = get_next_io_timeout( &timeouts, total );
 675
 676             pfd.fd = unix_handle;
 677             pfd.events = POLLIN;
 678
 679             if (!timeout || !(ret = poll( &pfd, 1, timeout )))
 680             {
 681                 if (total)  /* return with what we got so far */
 682                     status = STATUS_SUCCESS;
 683                 else
 684                     status = (type == FD_TYPE_MAILSLOT) ? STATUS_IO_TIMEOUT : STATUS_TIMEOUT;
 685                 goto done;
 686             }
 687             if (ret == -1 && errno != EINTR)
 688             {
 689                 status = FILE_GetNtStatus();
 690                 goto done;
 691             }
 692             /* will now restart the read */
 693         }
 694     }
 695
 696 done:
 697     if (cvalue) NTDLL_AddCompletion( hFile, cvalue, status, total );
 698
 699 err:
 700     if (needs_close) close( unix_handle );
 701     if (status == STATUS_SUCCESS)
 702     {
 703         io_status->u.Status = status;
 704         io_status->Information = total;
 705         TRACE("= SUCCESS (%u)\n", total);
 706         if (hEvent) NtSetEvent( hEvent, NULL );
 707         if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
 708                                    (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
 709     }
 710     else
 711     {
 712         TRACE("= 0x%08x\n", status);
 713         if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL );
 714     }
 715     return status;
 716 }
 717
 718 /***********************************************************************
 719  *             FILE_AsyncWriteService      (INTERNAL)
 720  */
 721 static NTSTATUS FILE_AsyncWriteService(void *user, IO_STATUS_BLOCK *iosb, NTSTATUS status, ULONG_PTR *total)
 722 {
 723     async_fileio_write *fileio = user;
 724     int result, fd, needs_close;
 725     enum server_fd_type type;
 726
 727     switch (status)
 728     {
 729     case STATUS_ALERTED:
 730         /* write some data (non-blocking) */
 731         if ((status = server_get_unix_fd( fileio->io.handle, FILE_WRITE_DATA, &fd,
 732                                           &needs_close, &type, NULL )))
 733             break;
 734
 735         if (!fileio->count && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET))
 736             result = send( fd, fileio->buffer, 0, 0 );
 737         else
 738             result = write( fd, &fileio->buffer[fileio->already], fileio->count - fileio->already );
 739
 740         if (needs_close) close( fd );
 741
 742         if (result < 0)
 743         {
 744             if (errno == EAGAIN || errno == EINTR) status = STATUS_PENDING;
 745             else status = FILE_GetNtStatus();
 746         }
 747         else
 748         {
 749             fileio->already += result;
 750             status = (fileio->already < fileio->count) ? STATUS_PENDING : STATUS_SUCCESS;
 751         }
 752         break;
 753
 754     case STATUS_TIMEOUT:
 755     case STATUS_IO_TIMEOUT:
 756         if (fileio->already) status = STATUS_SUCCESS;
 757         break;
 758     }
 759     if (status != STATUS_PENDING)
 760     {
 761         iosb->u.Status = status;
 762         iosb->Information = *total = fileio->already;
 763     }
 764     return status;
 765 }
 766
 767 /******************************************************************************
 768  *  NtWriteFile                                 [NTDLL.@]
 769  *  ZwWriteFile                                 [NTDLL.@]
 770  *
 771  * Write to an open file handle.
 772  *
 773  * PARAMS
 774  *  FileHandle    [I] Handle returned from ZwOpenFile() or ZwCreateFile()
 775  *  Event         [I] Event to signal upon completion (or NULL)
 776  *  ApcRoutine    [I] Callback to call upon completion (or NULL)
 777  *  ApcContext    [I] Context for ApcRoutine (or NULL)
 778  *  IoStatusBlock [O] Receives information about the operation on return
 779  *  Buffer        [I] Source for the data to write
 780  *  Length        [I] Size of Buffer
 781  *  ByteOffset    [O] Destination for the new file pointer position (or NULL)
 782  *  Key           [O] Function unknown (may be NULL)
 783  *
 784  * RETURNS
 785  *  Success: 0. IoStatusBlock is updated, and the Information member contains
 786  *           The number of bytes written.
 787  *  Failure: An NTSTATUS error code describing the error.
 788  */
 789 NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
 790                             PIO_APC_ROUTINE apc, void* apc_user,
 791                             PIO_STATUS_BLOCK io_status,
 792                             const void* buffer, ULONG length,
 793                             PLARGE_INTEGER offset, PULONG key)
 794 {
 795     int result, unix_handle, needs_close, timeout_init_done = 0;
 796     unsigned int options;
 797     struct io_timeouts timeouts;
 798     NTSTATUS status;
 799     ULONG total = 0;
 800     enum server_fd_type type;
 801     ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
 802
 803     TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p)!\n",
 804           hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
 805
 806     if (!io_status) return STATUS_ACCESS_VIOLATION;
 807
 808     status = server_get_unix_fd( hFile, FILE_WRITE_DATA, &unix_handle,
 809                                  &needs_close, &type, &options );
 810     if (status) return status;
 811
 812     if (type == FD_TYPE_FILE && offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */ )
 813     {
 814         /* async I/O doesn't make sense on regular files */
 815         while ((result = pwrite( unix_handle, buffer, length, offset->QuadPart )) == -1)
 816         {
 817             if (errno != EINTR)
 818             {
 819                 if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER;
 820                 else status = FILE_GetNtStatus();
 821                 goto done;
 822             }
 823         }
 824
 825         if (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT))
 826             /* update file pointer position */
 827             lseek( unix_handle, offset->QuadPart + result, SEEK_SET );
 828
 829         total = result;
 830         status = STATUS_SUCCESS;
 831         goto done;
 832     }
 833
 834     for (;;)
 835     {
 836         /* zero-length writes on sockets may not work with plain write(2) */
 837         if (!length && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET))
 838             result = send( unix_handle, buffer, 0, 0 );
 839         else
 840             result = write( unix_handle, (const char *)buffer + total, length - total );
 841
 842         if (result >= 0)
 843         {
 844             total += result;
 845             if (total == length)
 846             {
 847                 status = STATUS_SUCCESS;
 848                 goto done;
 849             }
 850         }
 851         else
 852         {
 853             if (errno == EINTR) continue;
 854             if (errno != EAGAIN)
 855             {
 856                 if (errno == EFAULT)
 857                 {
 858                     status = STATUS_INVALID_USER_BUFFER;
 859                     goto err;
 860                 }
 861                 status = FILE_GetNtStatus();
 862                 goto done;
 863             }
 864         }
 865
 866         if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)))
 867         {
 868             async_fileio_write *fileio;
 869
 870             if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*fileio))))
 871             {
 872                 status = STATUS_NO_MEMORY;
 873                 goto err;
 874             }
 875             fileio->io.handle  = hFile;
 876             fileio->io.apc     = apc;
 877             fileio->io.apc_arg = apc_user;
 878             fileio->already = total;
 879             fileio->count = length;
 880             fileio->buffer = buffer;
 881
 882             SERVER_START_REQ( register_async )
 883             {
 884                 req->handle = hFile;
 885                 req->type   = ASYNC_TYPE_WRITE;
 886                 req->count  = length;
 887                 req->async.callback = FILE_AsyncWriteService;
 888                 req->async.iosb     = io_status;
 889                 req->async.arg      = fileio;
 890                 req->async.apc      = fileio_apc;
 891                 req->async.event    = hEvent;
 892                 req->async.cvalue   = cvalue;
 893                 status = wine_server_call( req );
 894             }
 895             SERVER_END_REQ;
 896
 897             if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
 898             goto err;
 899         }
 900         else  /* synchronous write, wait for the fd to become ready */
 901         {
 902             struct pollfd pfd;
 903             int ret, timeout;
 904
 905             if (!timeout_init_done)
 906             {
 907                 timeout_init_done = 1;
 908                 if ((status = get_io_timeouts( hFile, type, length, FALSE, &timeouts )))
 909                     goto err;
 910                 if (hEvent) NtResetEvent( hEvent, NULL );
 911             }
 912             timeout = get_next_io_timeout( &timeouts, total );
 913
 914             pfd.fd = unix_handle;
 915             pfd.events = POLLOUT;
 916
 917             if (!timeout || !(ret = poll( &pfd, 1, timeout )))
 918             {
 919                 /* return with what we got so far */
 920                 status = total ? STATUS_SUCCESS : STATUS_TIMEOUT;
 921                 goto done;
 922             }
 923             if (ret == -1 && errno != EINTR)
 924             {
 925                 status = FILE_GetNtStatus();
 926                 goto done;
 927             }
 928             /* will now restart the write */
 929         }
 930     }
 931
 932 done:
 933     if (cvalue) NTDLL_AddCompletion( hFile, cvalue, status, total );
 934
 935 err:
 936     if (needs_close) close( unix_handle );
 937     if (status == STATUS_SUCCESS)
 938     {
 939         io_status->u.Status = status;
 940         io_status->Information = total;
 941         TRACE("= SUCCESS (%u)\n", total);
 942         if (hEvent) NtSetEvent( hEvent, NULL );
 943         if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
 944                                    (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
 945     }
 946     else
 947     {
 948         TRACE("= 0x%08x\n", status);
 949         if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL );
 950     }
 951     return status;
 952 }
 953
 954
 955 struct async_ioctl
 956 {
 957     HANDLE          handle;   /* handle to the device */
 958     void           *buffer;   /* buffer for output */
 959     ULONG           size;     /* size of buffer */
 960     PIO_APC_ROUTINE apc;      /* user apc params */
 961     void           *apc_arg;
 962 };
 963
 964 /* callback for ioctl async I/O completion */
 965 static NTSTATUS ioctl_completion( void *arg, IO_STATUS_BLOCK *io, NTSTATUS status )
 966 {
 967     struct async_ioctl *async = arg;
 968
 969     if (status == STATUS_ALERTED)
 970     {
 971         SERVER_START_REQ( get_ioctl_result )
 972         {
 973             req->handle   = async->handle;
 974             req->user_arg = async;
 975             wine_server_set_reply( req, async->buffer, async->size );
 976             if (!(status = wine_server_call( req )))
 977                 io->Information = wine_server_reply_size( reply );
 978         }
 979         SERVER_END_REQ;
 980     }
 981     if (status != STATUS_PENDING) io->u.Status = status;
 982     return status;
 983 }
 984
 985 /* callback for ioctl user APC */
 986 static void WINAPI ioctl_apc( void *arg, IO_STATUS_BLOCK *io, ULONG reserved )
 987 {
 988     struct async_ioctl *async = arg;
 989     if (async->apc) async->apc( async->apc_arg, io, reserved );
 990     RtlFreeHeap( GetProcessHeap(), 0, async );
 991 }
 992
 993 /* do a ioctl call through the server */
 994 static NTSTATUS server_ioctl_file( HANDLE handle, HANDLE event,
 995                                    PIO_APC_ROUTINE apc, PVOID apc_context,
 996                                    IO_STATUS_BLOCK *io, ULONG code,
 997                                    const void *in_buffer, ULONG in_size,
 998                                    PVOID out_buffer, ULONG out_size )
 999 {
1000     struct async_ioctl *async;
1001     NTSTATUS status;
1002     HANDLE wait_handle;
1003     ULONG options;
1004     ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_context;
1005
1006     if (!(async = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*async) )))
1007         return STATUS_NO_MEMORY;
1008     async->handle  = handle;
1009     async->buffer  = out_buffer;
1010     async->size    = out_size;
1011     async->apc     = apc;
1012     async->apc_arg = apc_context;
1013
1014     SERVER_START_REQ( ioctl )
1015     {
1016         req->handle         = handle;
1017         req->code           = code;
1018         req->async.callback = ioctl_completion;
1019         req->async.iosb     = io;
1020         req->async.arg      = async;
1021         req->async.apc      = (apc || event) ? ioctl_apc : NULL;
1022         req->async.event    = event;
1023         req->async.cvalue   = cvalue;
1024         wine_server_add_data( req, in_buffer, in_size );
1025         wine_server_set_reply( req, out_buffer, out_size );
1026         if (!(status = wine_server_call( req )))
1027             io->Information = wine_server_reply_size( reply );
1028         wait_handle = reply->wait;
1029         options     = reply->options;
1030     }
1031     SERVER_END_REQ;
1032
1033     if (status == STATUS_NOT_SUPPORTED)
1034         FIXME("Unsupported ioctl %x (device=%x access=%x func=%x method=%x)\n",
1035               code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1036
1037     if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, async );
1038
1039     if (wait_handle)
1040     {
1041         NtWaitForSingleObject( wait_handle, (options & FILE_SYNCHRONOUS_IO_ALERT), NULL );
1042         status = io->u.Status;
1043         NtClose( wait_handle );
1044         RtlFreeHeap( GetProcessHeap(), 0, async );
1045     }
1046
1047     return status;
1048 }
1049
1050
1051 /**************************************************************************
1052  *              NtDeviceIoControlFile                   [NTDLL.@]
1053  *              ZwDeviceIoControlFile                   [NTDLL.@]
1054  *
1055  * Perform an I/O control operation on an open file handle.
1056  *
1057  * PARAMS
1058  *  handle         [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1059  *  event          [I] Event to signal upon completion (or NULL)
1060  *  apc            [I] Callback to call upon completion (or NULL)
1061  *  apc_context    [I] Context for ApcRoutine (or NULL)
1062  *  io             [O] Receives information about the operation on return
1063  *  code           [I] Control code for the operation to perform
1064  *  in_buffer      [I] Source for any input data required (or NULL)
1065  *  in_size        [I] Size of InputBuffer
1066  *  out_buffer     [O] Source for any output data returned (or NULL)
1067  *  out_size       [I] Size of OutputBuffer
1068  *
1069  * RETURNS
1070  *  Success: 0. IoStatusBlock is updated.
1071  *  Failure: An NTSTATUS error code describing the error.
1072  */
1073 NTSTATUS WINAPI NtDeviceIoControlFile(HANDLE handle, HANDLE event,
1074                                       PIO_APC_ROUTINE apc, PVOID apc_context,
1075                                       PIO_STATUS_BLOCK io, ULONG code,
1076                                       PVOID in_buffer, ULONG in_size,
1077                                       PVOID out_buffer, ULONG out_size)
1078 {
1079     ULONG device = (code >> 16);
1080     NTSTATUS status = STATUS_NOT_SUPPORTED;
1081
1082     TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
1083           handle, event, apc, apc_context, io, code,
1084           in_buffer, in_size, out_buffer, out_size);
1085
1086     switch(device)
1087     {
1088     case FILE_DEVICE_DISK:
1089     case FILE_DEVICE_CD_ROM:
1090     case FILE_DEVICE_DVD:
1091     case FILE_DEVICE_CONTROLLER:
1092     case FILE_DEVICE_MASS_STORAGE:
1093         status = CDROM_DeviceIoControl(handle, event, apc, apc_context, io, code,
1094                                        in_buffer, in_size, out_buffer, out_size);
1095         break;
1096     case FILE_DEVICE_SERIAL_PORT:
1097         status = COMM_DeviceIoControl(handle, event, apc, apc_context, io, code,
1098                                       in_buffer, in_size, out_buffer, out_size);
1099         break;
1100     case FILE_DEVICE_TAPE:
1101         status = TAPE_DeviceIoControl(handle, event, apc, apc_context, io, code,
1102                                       in_buffer, in_size, out_buffer, out_size);
1103         break;
1104     }
1105
1106     if (status == STATUS_NOT_SUPPORTED || status == STATUS_BAD_DEVICE_TYPE)
1107         status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1108                                     in_buffer, in_size, out_buffer, out_size );
1109
1110     if (status != STATUS_PENDING) io->u.Status = status;
1111     return status;
1112 }
1113
1114
1115 /**************************************************************************
1116  *              NtFsControlFile                 [NTDLL.@]
1117  *              ZwFsControlFile                 [NTDLL.@]
1118  *
1119  * Perform a file system control operation on an open file handle.
1120  *
1121  * PARAMS
1122  *  handle         [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1123  *  event          [I] Event to signal upon completion (or NULL)
1124  *  apc            [I] Callback to call upon completion (or NULL)
1125  *  apc_context    [I] Context for ApcRoutine (or NULL)
1126  *  io             [O] Receives information about the operation on return
1127  *  code           [I] Control code for the operation to perform
1128  *  in_buffer      [I] Source for any input data required (or NULL)
1129  *  in_size        [I] Size of InputBuffer
1130  *  out_buffer     [O] Source for any output data returned (or NULL)
1131  *  out_size       [I] Size of OutputBuffer
1132  *
1133  * RETURNS
1134  *  Success: 0. IoStatusBlock is updated.
1135  *  Failure: An NTSTATUS error code describing the error.
1136  */
1137 NTSTATUS WINAPI NtFsControlFile(HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc,
1138                                 PVOID apc_context, PIO_STATUS_BLOCK io, ULONG code,
1139                                 PVOID in_buffer, ULONG in_size, PVOID out_buffer, ULONG out_size)
1140 {
1141     NTSTATUS status;
1142
1143     TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
1144           handle, event, apc, apc_context, io, code,
1145           in_buffer, in_size, out_buffer, out_size);
1146
1147     if (!io) return STATUS_INVALID_PARAMETER;
1148
1149     switch(code)
1150     {
1151     case FSCTL_DISMOUNT_VOLUME:
1152         status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1153                                     in_buffer, in_size, out_buffer, out_size );
1154         if (!status) status = DIR_unmount_device( handle );
1155         break;
1156
1157     case FSCTL_PIPE_PEEK:
1158         {
1159             FILE_PIPE_PEEK_BUFFER *buffer = out_buffer;
1160             int avail = 0, fd, needs_close;
1161
1162             if (out_size < FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data ))
1163             {
1164                 status = STATUS_INFO_LENGTH_MISMATCH;
1165                 break;
1166             }
1167
1168             if ((status = server_get_unix_fd( handle, FILE_READ_DATA, &fd, &needs_close, NULL, NULL )))
1169                 break;
1170
1171 #ifdef FIONREAD
1172             if (ioctl( fd, FIONREAD, &avail ) != 0)
1173             {
1174                 TRACE("FIONREAD failed reason: %s\n",strerror(errno));
1175                 if (needs_close) close( fd );
1176                 status = FILE_GetNtStatus();
1177                 break;
1178             }
1179 #endif
1180             if (!avail)  /* check for closed pipe */
1181             {
1182                 struct pollfd pollfd;
1183                 int ret;
1184
1185                 pollfd.fd = fd;
1186                 pollfd.events = POLLIN;
1187                 pollfd.revents = 0;
1188                 ret = poll( &pollfd, 1, 0 );
1189                 if (ret == -1 || (ret == 1 && (pollfd.revents & (POLLHUP|POLLERR))))
1190                 {
1191                     if (needs_close) close( fd );
1192                     status = STATUS_PIPE_BROKEN;
1193                     break;
1194                 }
1195             }
1196             buffer->NamedPipeState    = 0;  /* FIXME */
1197             buffer->ReadDataAvailable = avail;
1198             buffer->NumberOfMessages  = 0;  /* FIXME */
1199             buffer->MessageLength     = 0;  /* FIXME */
1200             io->Information = FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
1201             status = STATUS_SUCCESS;
1202             if (avail)
1203             {
1204                 ULONG data_size = out_size - FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
1205                 if (data_size)
1206                 {
1207                     int res = recv( fd, buffer->Data, data_size, MSG_PEEK );
1208                     if (res >= 0) io->Information += res;
1209                 }
1210             }
1211             if (needs_close) close( fd );
1212         }
1213         break;
1214
1215     case FSCTL_PIPE_DISCONNECT:
1216         status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1217                                     in_buffer, in_size, out_buffer, out_size );
1218         if (!status)
1219         {
1220             int fd = server_remove_fd_from_cache( handle );
1221             if (fd != -1) close( fd );
1222         }
1223         break;
1224
1225     case FSCTL_PIPE_IMPERSONATE:
1226         FIXME("FSCTL_PIPE_IMPERSONATE: impersonating self\n");
1227         status = RtlImpersonateSelf( SecurityImpersonation );
1228         break;
1229
1230     case FSCTL_LOCK_VOLUME:
1231     case FSCTL_UNLOCK_VOLUME:
1232         FIXME("stub! return success - Unsupported fsctl %x (device=%x access=%x func=%x method=%x)\n",
1233               code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1234         status = STATUS_SUCCESS;
1235         break;
1236
1237     case FSCTL_PIPE_LISTEN:
1238     case FSCTL_PIPE_WAIT:
1239     default:
1240         status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1241                                     in_buffer, in_size, out_buffer, out_size );
1242         break;
1243     }
1244
1245     if (status != STATUS_PENDING) io->u.Status = status;
1246     return status;
1247 }
1248
1249 /******************************************************************************
1250  *  NtSetVolumeInformationFile          [NTDLL.@]
1251  *  ZwSetVolumeInformationFile          [NTDLL.@]
1252  *
1253  * Set volume information for an open file handle.
1254  *
1255  * PARAMS
1256  *  FileHandle         [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1257  *  IoStatusBlock      [O] Receives information about the operation on return
1258  *  FsInformation      [I] Source for volume information
1259  *  Length             [I] Size of FsInformation
1260  *  FsInformationClass [I] Type of volume information to set
1261  *
1262  * RETURNS
1263  *  Success: 0. IoStatusBlock is updated.
1264  *  Failure: An NTSTATUS error code describing the error.
1265  */
1266 NTSTATUS WINAPI NtSetVolumeInformationFile(
1267         IN HANDLE FileHandle,
1268         PIO_STATUS_BLOCK IoStatusBlock,
1269         PVOID FsInformation,
1270         ULONG Length,
1271         FS_INFORMATION_CLASS FsInformationClass)
1272 {
1273         FIXME("(%p,%p,%p,0x%08x,0x%08x) stub\n",
1274         FileHandle,IoStatusBlock,FsInformation,Length,FsInformationClass);
1275         return 0;
1276 }
1277
1278 /******************************************************************************
1279  *  NtQueryInformationFile              [NTDLL.@]
1280  *  ZwQueryInformationFile              [NTDLL.@]
1281  *
1282  * Get information about an open file handle.
1283  *
1284  * PARAMS
1285  *  hFile    [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1286  *  io       [O] Receives information about the operation on return
1287  *  ptr      [O] Destination for file information
1288  *  len      [I] Size of FileInformation
1289  *  class    [I] Type of file information to get
1290  *
1291  * RETURNS
1292  *  Success: 0. IoStatusBlock and FileInformation are updated.
1293  *  Failure: An NTSTATUS error code describing the error.
1294  */
1295 NTSTATUS WINAPI NtQueryInformationFile( HANDLE hFile, PIO_STATUS_BLOCK io,
1296                                         PVOID ptr, LONG len, FILE_INFORMATION_CLASS class )
1297 {
1298     static const size_t info_sizes[] =
1299     {
1300         0,
1301         sizeof(FILE_DIRECTORY_INFORMATION),            /* FileDirectoryInformation */
1302         sizeof(FILE_FULL_DIRECTORY_INFORMATION),       /* FileFullDirectoryInformation */
1303         sizeof(FILE_BOTH_DIRECTORY_INFORMATION),       /* FileBothDirectoryInformation */
1304         sizeof(FILE_BASIC_INFORMATION),                /* FileBasicInformation */
1305         sizeof(FILE_STANDARD_INFORMATION),             /* FileStandardInformation */
1306         sizeof(FILE_INTERNAL_INFORMATION),             /* FileInternalInformation */
1307         sizeof(FILE_EA_INFORMATION),                   /* FileEaInformation */
1308         sizeof(FILE_ACCESS_INFORMATION),               /* FileAccessInformation */
1309         sizeof(FILE_NAME_INFORMATION)-sizeof(WCHAR),   /* FileNameInformation */
1310         sizeof(FILE_RENAME_INFORMATION)-sizeof(WCHAR), /* FileRenameInformation */
1311         0,                                             /* FileLinkInformation */
1312         sizeof(FILE_NAMES_INFORMATION)-sizeof(WCHAR),  /* FileNamesInformation */
1313         sizeof(FILE_DISPOSITION_INFORMATION),          /* FileDispositionInformation */
1314         sizeof(FILE_POSITION_INFORMATION),             /* FilePositionInformation */
1315         sizeof(FILE_FULL_EA_INFORMATION),              /* FileFullEaInformation */
1316         sizeof(FILE_MODE_INFORMATION),                 /* FileModeInformation */
1317         sizeof(FILE_ALIGNMENT_INFORMATION),            /* FileAlignmentInformation */
1318         sizeof(FILE_ALL_INFORMATION)-sizeof(WCHAR),    /* FileAllInformation */
1319         sizeof(FILE_ALLOCATION_INFORMATION),           /* FileAllocationInformation */
1320         sizeof(FILE_END_OF_FILE_INFORMATION),          /* FileEndOfFileInformation */
1321         0,                                             /* FileAlternateNameInformation */
1322         sizeof(FILE_STREAM_INFORMATION)-sizeof(WCHAR), /* FileStreamInformation */
1323         0,                                             /* FilePipeInformation */
1324         sizeof(FILE_PIPE_LOCAL_INFORMATION),           /* FilePipeLocalInformation */
1325         0,                                             /* FilePipeRemoteInformation */
1326         sizeof(FILE_MAILSLOT_QUERY_INFORMATION),       /* FileMailslotQueryInformation */
1327         0,                                             /* FileMailslotSetInformation */
1328         0,                                             /* FileCompressionInformation */
1329         0,                                             /* FileObjectIdInformation */
1330         0,                                             /* FileCompletionInformation */
1331         0,                                             /* FileMoveClusterInformation */
1332         0,                                             /* FileQuotaInformation */
1333         0,                                             /* FileReparsePointInformation */
1334         0,                                             /* FileNetworkOpenInformation */
1335         0,                                             /* FileAttributeTagInformation */
1336         0                                              /* FileTrackingInformation */
1337     };
1338
1339     struct stat st;
1340     int fd, needs_close = FALSE;
1341
1342     TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", hFile, io, ptr, len, class);
1343
1344     io->Information = 0;
1345
1346     if (class <= 0 || class >= FileMaximumInformation)
1347         return io->u.Status = STATUS_INVALID_INFO_CLASS;
1348     if (!info_sizes[class])
1349     {
1350         FIXME("Unsupported class (%d)\n", class);
1351         return io->u.Status = STATUS_NOT_IMPLEMENTED;
1352     }
1353     if (len < info_sizes[class])
1354         return io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
1355
1356     if (class != FilePipeLocalInformation)
1357     {
1358         if ((io->u.Status = server_get_unix_fd( hFile, 0, &fd, &needs_close, NULL, NULL )))
1359             return io->u.Status;
1360     }
1361
1362     switch (class)
1363     {
1364     case FileBasicInformation:
1365         {
1366             FILE_BASIC_INFORMATION *info = ptr;
1367
1368             if (fstat( fd, &st ) == -1)
1369                 io->u.Status = FILE_GetNtStatus();
1370             else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1371                 io->u.Status = STATUS_INVALID_INFO_CLASS;
1372             else
1373             {
1374                 if (S_ISDIR(st.st_mode)) info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1375                 else info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1376                 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1377                     info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1378                 RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime);
1379                 RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime);
1380                 RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime);
1381                 RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime);
1382             }
1383         }
1384         break;
1385     case FileStandardInformation:
1386         {
1387             FILE_STANDARD_INFORMATION *info = ptr;
1388
1389             if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1390             else
1391             {
1392                 if ((info->Directory = S_ISDIR(st.st_mode)))
1393                 {
1394                     info->AllocationSize.QuadPart = 0;
1395                     info->EndOfFile.QuadPart      = 0;
1396                     info->NumberOfLinks           = 1;
1397                     info->DeletePending           = FALSE;
1398                 }
1399                 else
1400                 {
1401                     info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1402                     info->EndOfFile.QuadPart      = st.st_size;
1403                     info->NumberOfLinks           = st.st_nlink;
1404                     info->DeletePending           = FALSE; /* FIXME */
1405                 }
1406             }
1407         }
1408         break;
1409     case FilePositionInformation:
1410         {
1411             FILE_POSITION_INFORMATION *info = ptr;
1412             off_t res = lseek( fd, 0, SEEK_CUR );
1413             if (res == (off_t)-1) io->u.Status = FILE_GetNtStatus();
1414             else info->CurrentByteOffset.QuadPart = res;
1415         }
1416         break;
1417     case FileInternalInformation:
1418         {
1419             FILE_INTERNAL_INFORMATION *info = ptr;
1420
1421             if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1422             else info->IndexNumber.QuadPart = st.st_ino;
1423         }
1424         break;
1425     case FileEaInformation:
1426         {
1427             FILE_EA_INFORMATION *info = ptr;
1428             info->EaSize = 0;
1429         }
1430         break;
1431     case FileEndOfFileInformation:
1432         {
1433             FILE_END_OF_FILE_INFORMATION *info = ptr;
1434
1435             if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1436             else info->EndOfFile.QuadPart = S_ISDIR(st.st_mode) ? 0 : st.st_size;
1437         }
1438         break;
1439     case FileAllInformation:
1440         {
1441             FILE_ALL_INFORMATION *info = ptr;
1442
1443             if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1444             else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1445                 io->u.Status = STATUS_INVALID_INFO_CLASS;
1446             else
1447             {
1448                 if ((info->StandardInformation.Directory = S_ISDIR(st.st_mode)))
1449                 {
1450                     info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1451                     info->StandardInformation.AllocationSize.QuadPart = 0;
1452                     info->StandardInformation.EndOfFile.QuadPart      = 0;
1453                     info->StandardInformation.NumberOfLinks           = 1;
1454                     info->StandardInformation.DeletePending           = FALSE;
1455                 }
1456                 else
1457                 {
1458                     info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1459                     info->StandardInformation.AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1460                     info->StandardInformation.EndOfFile.QuadPart      = st.st_size;
1461                     info->StandardInformation.NumberOfLinks           = st.st_nlink;
1462                     info->StandardInformation.DeletePending           = FALSE; /* FIXME */
1463                 }
1464                 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1465                     info->BasicInformation.FileAttributes |= FILE_ATTRIBUTE_READONLY;
1466                 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.CreationTime);
1467                 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.LastWriteTime);
1468                 RtlSecondsSince1970ToTime( st.st_ctime, &info->BasicInformation.ChangeTime);
1469                 RtlSecondsSince1970ToTime( st.st_atime, &info->BasicInformation.LastAccessTime);
1470                 info->InternalInformation.IndexNumber.QuadPart = st.st_ino;
1471                 info->EaInformation.EaSize = 0;
1472                 info->AccessInformation.AccessFlags = 0;  /* FIXME */
1473                 info->PositionInformation.CurrentByteOffset.QuadPart = lseek( fd, 0, SEEK_CUR );
1474                 info->ModeInformation.Mode = 0;  /* FIXME */
1475                 info->AlignmentInformation.AlignmentRequirement = 1;  /* FIXME */
1476                 info->NameInformation.FileNameLength = 0;
1477                 io->Information = sizeof(*info) - sizeof(WCHAR);
1478             }
1479         }
1480         break;
1481     case FileMailslotQueryInformation:
1482         {
1483             FILE_MAILSLOT_QUERY_INFORMATION *info = ptr;
1484
1485             SERVER_START_REQ( set_mailslot_info )
1486             {
1487                 req->handle = hFile;
1488                 req->flags = 0;
1489                 io->u.Status = wine_server_call( req );
1490                 if( io->u.Status == STATUS_SUCCESS )
1491                 {
1492                     info->MaximumMessageSize = reply->max_msgsize;
1493                     info->MailslotQuota = 0;
1494                     info->NextMessageSize = 0;
1495                     info->MessagesAvailable = 0;
1496                     info->ReadTimeout.QuadPart = reply->read_timeout;
1497                 }
1498             }
1499             SERVER_END_REQ;
1500             if (!io->u.Status)
1501             {
1502                 char *tmpbuf;
1503                 ULONG size = info->MaximumMessageSize ? info->MaximumMessageSize : 0x10000;
1504                 if (size > 0x10000) size = 0x10000;
1505                 if ((tmpbuf = RtlAllocateHeap( GetProcessHeap(), 0, size )))
1506                 {
1507                     int fd, needs_close;
1508                     if (!server_get_unix_fd( hFile, FILE_READ_DATA, &fd, &needs_close, NULL, NULL ))
1509                     {
1510                         int res = recv( fd, tmpbuf, size, MSG_PEEK );
1511                         info->MessagesAvailable = (res > 0);
1512                         info->NextMessageSize = (res >= 0) ? res : MAILSLOT_NO_MESSAGE;
1513                         if (needs_close) close( fd );
1514                     }
1515                     RtlFreeHeap( GetProcessHeap(), 0, tmpbuf );
1516                 }
1517             }
1518         }
1519         break;
1520     case FilePipeLocalInformation:
1521         {
1522             FILE_PIPE_LOCAL_INFORMATION* pli = ptr;
1523
1524             SERVER_START_REQ( get_named_pipe_info )
1525             {
1526                 req->handle = hFile;
1527                 if (!(io->u.Status = wine_server_call( req )))
1528                 {
1529                     pli->NamedPipeType = (reply->flags & NAMED_PIPE_MESSAGE_STREAM_WRITE) ?
1530                         FILE_PIPE_TYPE_MESSAGE : FILE_PIPE_TYPE_BYTE;
1531                     pli->NamedPipeConfiguration = 0; /* FIXME */
1532                     pli->MaximumInstances = reply->maxinstances;
1533                     pli->CurrentInstances = reply->instances;
1534                     pli->InboundQuota = reply->insize;
1535                     pli->ReadDataAvailable = 0; /* FIXME */
1536                     pli->OutboundQuota = reply->outsize;
1537                     pli->WriteQuotaAvailable = 0; /* FIXME */
1538                     pli->NamedPipeState = 0; /* FIXME */
1539                     pli->NamedPipeEnd = (reply->flags & NAMED_PIPE_SERVER_END) ?
1540                         FILE_PIPE_SERVER_END : FILE_PIPE_CLIENT_END;
1541                 }
1542             }
1543             SERVER_END_REQ;
1544         }
1545         break;
1546     default:
1547         FIXME("Unsupported class (%d)\n", class);
1548         io->u.Status = STATUS_NOT_IMPLEMENTED;
1549         break;
1550     }
1551     if (needs_close) close( fd );
1552     if (io->u.Status == STATUS_SUCCESS && !io->Information) io->Information = info_sizes[class];
1553     return io->u.Status;
1554 }
1555
1556 /******************************************************************************
1557  *  NtSetInformationFile                [NTDLL.@]
1558  *  ZwSetInformationFile                [NTDLL.@]
1559  *
1560  * Set information about an open file handle.
1561  *
1562  * PARAMS
1563  *  handle  [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1564  *  io      [O] Receives information about the operation on return
1565  *  ptr     [I] Source for file information
1566  *  len     [I] Size of FileInformation
1567  *  class   [I] Type of file information to set
1568  *
1569  * RETURNS
1570  *  Success: 0. io is updated.
1571  *  Failure: An NTSTATUS error code describing the error.
1572  */
1573 NTSTATUS WINAPI NtSetInformationFile(HANDLE handle, PIO_STATUS_BLOCK io,
1574                                      PVOID ptr, ULONG len, FILE_INFORMATION_CLASS class)
1575 {
1576     int fd, needs_close;
1577
1578     TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", handle, io, ptr, len, class);
1579
1580     io->u.Status = STATUS_SUCCESS;
1581     switch (class)
1582     {
1583     case FileBasicInformation:
1584         if (len >= sizeof(FILE_BASIC_INFORMATION))
1585         {
1586             struct stat st;
1587             const FILE_BASIC_INFORMATION *info = ptr;
1588
1589             if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
1590                 return io->u.Status;
1591
1592             if (info->LastAccessTime.QuadPart || info->LastWriteTime.QuadPart)
1593             {
1594                 ULONGLONG sec, nsec;
1595                 struct timeval tv[2];
1596
1597                 if (!info->LastAccessTime.QuadPart || !info->LastWriteTime.QuadPart)
1598                 {
1599
1600                     tv[0].tv_sec = tv[0].tv_usec = 0;
1601                     tv[1].tv_sec = tv[1].tv_usec = 0;
1602                     if (!fstat( fd, &st ))
1603                     {
1604                         tv[0].tv_sec = st.st_atime;
1605                         tv[1].tv_sec = st.st_mtime;
1606                     }
1607                 }
1608                 if (info->LastAccessTime.QuadPart)
1609                 {
1610                     sec = RtlLargeIntegerDivide( info->LastAccessTime.QuadPart, 10000000, &nsec );
1611                     tv[0].tv_sec = sec - SECS_1601_TO_1970;
1612                     tv[0].tv_usec = (UINT)nsec / 10;
1613                 }
1614                 if (info->LastWriteTime.QuadPart)
1615                 {
1616                     sec = RtlLargeIntegerDivide( info->LastWriteTime.QuadPart, 10000000, &nsec );
1617                     tv[1].tv_sec = sec - SECS_1601_TO_1970;
1618                     tv[1].tv_usec = (UINT)nsec / 10;
1619                 }
1620                 if (futimes( fd, tv ) == -1) io->u.Status = FILE_GetNtStatus();
1621             }
1622
1623             if (io->u.Status == STATUS_SUCCESS && info->FileAttributes)
1624             {
1625                 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1626                 else
1627                 {
1628                     if (info->FileAttributes & FILE_ATTRIBUTE_READONLY)
1629                     {
1630                         if (S_ISDIR( st.st_mode))
1631                             WARN("FILE_ATTRIBUTE_READONLY ignored for directory.\n");
1632                         else
1633                             st.st_mode &= ~0222; /* clear write permission bits */
1634                     }
1635                     else
1636                     {
1637                         /* add write permission only where we already have read permission */
1638                         st.st_mode |= (0600 | ((st.st_mode & 044) >> 1)) & (~FILE_umask);
1639                     }
1640                     if (fchmod( fd, st.st_mode ) == -1) io->u.Status = FILE_GetNtStatus();
1641                 }
1642             }
1643
1644             if (needs_close) close( fd );
1645         }
1646         else io->u.Status = STATUS_INVALID_PARAMETER_3;
1647         break;
1648
1649     case FilePositionInformation:
1650         if (len >= sizeof(FILE_POSITION_INFORMATION))
1651         {
1652             const FILE_POSITION_INFORMATION *info = ptr;
1653
1654             if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
1655                 return io->u.Status;
1656
1657             if (lseek( fd, info->CurrentByteOffset.QuadPart, SEEK_SET ) == (off_t)-1)
1658                 io->u.Status = FILE_GetNtStatus();
1659
1660             if (needs_close) close( fd );
1661         }
1662         else io->u.Status = STATUS_INVALID_PARAMETER_3;
1663         break;
1664
1665     case FileEndOfFileInformation:
1666         if (len >= sizeof(FILE_END_OF_FILE_INFORMATION))
1667         {
1668             struct stat st;
1669             const FILE_END_OF_FILE_INFORMATION *info = ptr;
1670
1671             if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
1672                 return io->u.Status;
1673
1674             /* first try normal truncate */
1675             if (ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1676
1677             /* now check for the need to extend the file */
1678             if (fstat( fd, &st ) != -1 && (off_t)info->EndOfFile.QuadPart > st.st_size)
1679             {
1680                 static const char zero;
1681
1682                 /* extend the file one byte beyond the requested size and then truncate it */
1683                 /* this should work around ftruncate implementations that can't extend files */
1684                 if (pwrite( fd, &zero, 1, (off_t)info->EndOfFile.QuadPart ) != -1 &&
1685                     ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1686             }
1687             io->u.Status = FILE_GetNtStatus();
1688
1689             if (needs_close) close( fd );
1690         }
1691         else io->u.Status = STATUS_INVALID_PARAMETER_3;
1692         break;
1693
1694     case FileMailslotSetInformation:
1695         {
1696             FILE_MAILSLOT_SET_INFORMATION *info = ptr;
1697
1698             SERVER_START_REQ( set_mailslot_info )
1699             {
1700                 req->handle = handle;
1701                 req->flags = MAILSLOT_SET_READ_TIMEOUT;
1702                 req->read_timeout = info->ReadTimeout.QuadPart;
1703                 io->u.Status = wine_server_call( req );
1704             }
1705             SERVER_END_REQ;
1706         }
1707         break;
1708
1709     case FileCompletionInformation:
1710         if (len >= sizeof(FILE_COMPLETION_INFORMATION))
1711         {
1712             FILE_COMPLETION_INFORMATION *info = (FILE_COMPLETION_INFORMATION *)ptr;
1713
1714             SERVER_START_REQ( set_completion_info )
1715             {
1716                 req->handle   = handle;
1717                 req->chandle  = info->CompletionPort;
1718                 req->ckey     = info->CompletionKey;
1719                 io->u.Status  = wine_server_call( req );
1720             }
1721             SERVER_END_REQ;
1722         } else
1723             io->u.Status = STATUS_INVALID_PARAMETER_3;
1724         break;
1725
1726     default:
1727         FIXME("Unsupported class (%d)\n", class);
1728         io->u.Status = STATUS_NOT_IMPLEMENTED;
1729         break;
1730     }
1731     io->Information = 0;
1732     return io->u.Status;
1733 }
1734
1735
1736 /******************************************************************************
1737  *              NtQueryFullAttributesFile   (NTDLL.@)
1738  */
1739 NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr,
1740                                            FILE_NETWORK_OPEN_INFORMATION *info )
1741 {
1742     ANSI_STRING unix_name;
1743     NTSTATUS status;
1744
1745     if (!(status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, FILE_OPEN,
1746                                               !(attr->Attributes & OBJ_CASE_INSENSITIVE) )))
1747     {
1748         struct stat st;
1749
1750         if (stat( unix_name.Buffer, &st ) == -1)
1751             status = FILE_GetNtStatus();
1752         else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1753             status = STATUS_INVALID_INFO_CLASS;
1754         else
1755         {
1756             if (S_ISDIR(st.st_mode))
1757             {
1758                 info->FileAttributes          = FILE_ATTRIBUTE_DIRECTORY;
1759                 info->AllocationSize.QuadPart = 0;
1760                 info->EndOfFile.QuadPart      = 0;
1761             }
1762             else
1763             {
1764                 info->FileAttributes          = FILE_ATTRIBUTE_ARCHIVE;
1765                 info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1766                 info->EndOfFile.QuadPart      = st.st_size;
1767             }
1768             if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1769                 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1770             RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime );
1771             RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime );
1772             RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime );
1773             RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime );
1774             if (DIR_is_hidden_file( attr->ObjectName ))
1775                 info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
1776         }
1777         RtlFreeAnsiString( &unix_name );
1778     }
1779     else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
1780     return status;
1781 }
1782
1783
1784 /******************************************************************************
1785  *              NtQueryAttributesFile   (NTDLL.@)
1786  *              ZwQueryAttributesFile   (NTDLL.@)
1787  */
1788 NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC_INFORMATION *info )
1789 {
1790     FILE_NETWORK_OPEN_INFORMATION full_info;
1791     NTSTATUS status;
1792
1793     if (!(status = NtQueryFullAttributesFile( attr, &full_info )))
1794     {
1795         info->CreationTime.QuadPart   = full_info.CreationTime.QuadPart;
1796         info->LastAccessTime.QuadPart = full_info.LastAccessTime.QuadPart;
1797         info->LastWriteTime.QuadPart  = full_info.LastWriteTime.QuadPart;
1798         info->ChangeTime.QuadPart     = full_info.ChangeTime.QuadPart;
1799         info->FileAttributes          = full_info.FileAttributes;
1800     }
1801     return status;
1802 }
1803
1804
1805 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__APPLE__)
1806 /* helper for FILE_GetDeviceInfo to hide some platform differences in fstatfs */
1807 static inline void get_device_info_fstatfs( FILE_FS_DEVICE_INFORMATION *info, const char *fstypename,
1808                                             unsigned int flags )
1809 {
1810     if (!strcmp("cd9660", fstypename) || !strcmp("udf", fstypename))
1811     {
1812         info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1813         /* Don't assume read-only, let the mount options set it below */
1814         info->Characteristics |= FILE_REMOVABLE_MEDIA;
1815     }
1816     else if (!strcmp("nfs", fstypename) || !strcmp("nwfs", fstypename) ||
1817              !strcmp("smbfs", fstypename) || !strcmp("afpfs", fstypename))
1818     {
1819         info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1820         info->Characteristics |= FILE_REMOTE_DEVICE;
1821     }
1822     else if (!strcmp("procfs", fstypename))
1823         info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1824     else
1825         info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1826
1827     if (flags & MNT_RDONLY)
1828         info->Characteristics |= FILE_READ_ONLY_DEVICE;
1829
1830     if (!(flags & MNT_LOCAL))
1831     {
1832         info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1833         info->Characteristics |= FILE_REMOTE_DEVICE;
1834     }
1835 }
1836 #endif
1837
1838 static inline int is_device_placeholder( int fd )
1839 {
1840     static const char wine_placeholder[] = "Wine device placeholder";
1841     char buffer[sizeof(wine_placeholder)-1];
1842
1843     if (pread( fd, buffer, sizeof(wine_placeholder) - 1, 0 ) != sizeof(wine_placeholder) - 1)
1844         return 0;
1845     return !memcmp( buffer, wine_placeholder, sizeof(wine_placeholder) - 1 );
1846 }
1847
1848 /******************************************************************************
1849  *              get_device_info
1850  *
1851  * Implementation of the FileFsDeviceInformation query for NtQueryVolumeInformationFile.
1852  */
1853 static NTSTATUS get_device_info( int fd, FILE_FS_DEVICE_INFORMATION *info )
1854 {
1855     struct stat st;
1856
1857     info->Characteristics = 0;
1858     if (fstat( fd, &st ) < 0) return FILE_GetNtStatus();
1859     if (S_ISCHR( st.st_mode ))
1860     {
1861         info->DeviceType = FILE_DEVICE_UNKNOWN;
1862 #ifdef linux
1863         switch(major(st.st_rdev))
1864         {
1865         case MEM_MAJOR:
1866             info->DeviceType = FILE_DEVICE_NULL;
1867             break;
1868         case TTY_MAJOR:
1869             info->DeviceType = FILE_DEVICE_SERIAL_PORT;
1870             break;
1871         case LP_MAJOR:
1872             info->DeviceType = FILE_DEVICE_PARALLEL_PORT;
1873             break;
1874         case SCSI_TAPE_MAJOR:
1875             info->DeviceType = FILE_DEVICE_TAPE;
1876             break;
1877         }
1878 #endif
1879     }
1880     else if (S_ISBLK( st.st_mode ))
1881     {
1882         info->DeviceType = FILE_DEVICE_DISK;
1883     }
1884     else if (S_ISFIFO( st.st_mode ) || S_ISSOCK( st.st_mode ))
1885     {
1886         info->DeviceType = FILE_DEVICE_NAMED_PIPE;
1887     }
1888     else if (is_device_placeholder( fd ))
1889     {
1890         info->DeviceType = FILE_DEVICE_DISK;
1891     }
1892     else  /* regular file or directory */
1893     {
1894 #if defined(linux) && defined(HAVE_FSTATFS)
1895         struct statfs stfs;
1896
1897         /* check for floppy disk */
1898         if (major(st.st_dev) == FLOPPY_MAJOR)
1899             info->Characteristics |= FILE_REMOVABLE_MEDIA;
1900
1901         if (fstatfs( fd, &stfs ) < 0) stfs.f_type = 0;
1902         switch (stfs.f_type)
1903         {
1904         case 0x9660:      /* iso9660 */
1905         case 0x9fa1:      /* supermount */
1906         case 0x15013346:  /* udf */
1907             info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1908             info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
1909             break;
1910         case 0x6969:  /* nfs */
1911         case 0x517B:  /* smbfs */
1912         case 0x564c:  /* ncpfs */
1913             info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1914             info->Characteristics |= FILE_REMOTE_DEVICE;
1915             break;
1916         case 0x01021994:  /* tmpfs */
1917         case 0x28cd3d45:  /* cramfs */
1918         case 0x1373:      /* devfs */
1919         case 0x9fa0:      /* procfs */
1920             info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1921             break;
1922         default:
1923             info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1924             break;
1925         }
1926 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__APPLE__)
1927         struct statfs stfs;
1928
1929         if (fstatfs( fd, &stfs ) < 0)
1930             info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1931         else
1932             get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flags );
1933 #elif defined(__NetBSD__)
1934         struct statvfs stfs;
1935
1936         if (fstatvfs( fd, &stfs) < 0)
1937             info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1938         else
1939             get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flag );
1940 #elif defined(sun)
1941         /* Use dkio to work out device types */
1942         {
1943 # include <sys/dkio.h>
1944 # include <sys/vtoc.h>
1945             struct dk_cinfo dkinf;
1946             int retval = ioctl(fd, DKIOCINFO, &dkinf);
1947             if(retval==-1){
1948                 WARN("Unable to get disk device type information - assuming a disk like device\n");
1949                 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1950             }
1951             switch (dkinf.dki_ctype)
1952             {
1953             case DKC_CDROM:
1954                 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1955                 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
1956                 break;
1957             case DKC_NCRFLOPPY:
1958             case DKC_SMSFLOPPY:
1959             case DKC_INTEL82072:
1960             case DKC_INTEL82077:
1961                 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1962                 info->Characteristics |= FILE_REMOVABLE_MEDIA;
1963                 break;
1964             case DKC_MD:
1965                 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1966                 break;
1967             default:
1968                 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1969             }
1970         }
1971 #else
1972         static int warned;
1973         if (!warned++) FIXME( "device info not properly supported on this platform\n" );
1974         info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1975 #endif
1976         info->Characteristics |= FILE_DEVICE_IS_MOUNTED;
1977     }
1978     return STATUS_SUCCESS;
1979 }
1980
1981
1982 /******************************************************************************
1983  *  NtQueryVolumeInformationFile                [NTDLL.@]
1984  *  ZwQueryVolumeInformationFile                [NTDLL.@]
1985  *
1986  * Get volume information for an open file handle.
1987  *
1988  * PARAMS
1989  *  handle      [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1990  *  io          [O] Receives information about the operation on return
1991  *  buffer      [O] Destination for volume information
1992  *  length      [I] Size of FsInformation
1993  *  info_class  [I] Type of volume information to set
1994  *
1995  * RETURNS
1996  *  Success: 0. io and buffer are updated.
1997  *  Failure: An NTSTATUS error code describing the error.
1998  */
1999 NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io,
2000                                               PVOID buffer, ULONG length,
2001                                               FS_INFORMATION_CLASS info_class )
2002 {
2003     int fd, needs_close;
2004     struct stat st;
2005
2006     if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )) != STATUS_SUCCESS)
2007         return io->u.Status;
2008
2009     io->u.Status = STATUS_NOT_IMPLEMENTED;
2010     io->Information = 0;
2011
2012     switch( info_class )
2013     {
2014     case FileFsVolumeInformation:
2015         FIXME( "%p: volume info not supported\n", handle );
2016         break;
2017     case FileFsLabelInformation:
2018         FIXME( "%p: label info not supported\n", handle );
2019         break;
2020     case FileFsSizeInformation:
2021         if (length < sizeof(FILE_FS_SIZE_INFORMATION))
2022             io->u.Status = STATUS_BUFFER_TOO_SMALL;
2023         else
2024         {
2025             FILE_FS_SIZE_INFORMATION *info = buffer;
2026
2027             if (fstat( fd, &st ) < 0)
2028             {
2029                 io->u.Status = FILE_GetNtStatus();
2030                 break;
2031             }
2032             if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
2033             {
2034                 io->u.Status = STATUS_INVALID_DEVICE_REQUEST;
2035             }
2036             else
2037             {
2038                 /* Linux's fstatvfs is buggy */
2039 #if !defined(linux) || !defined(HAVE_FSTATFS)
2040                 struct statvfs stfs;
2041
2042                 if (fstatvfs( fd, &stfs ) < 0)
2043                 {
2044                     io->u.Status = FILE_GetNtStatus();
2045                     break;
2046                 }
2047                 info->BytesPerSector = stfs.f_frsize;
2048 #else
2049                 struct statfs stfs;
2050                 if (fstatfs( fd, &stfs ) < 0)
2051                 {
2052                     io->u.Status = FILE_GetNtStatus();
2053                     break;
2054                 }
2055                 info->BytesPerSector = stfs.f_bsize;
2056 #endif
2057                 info->TotalAllocationUnits.QuadPart = stfs.f_blocks;
2058                 info->AvailableAllocationUnits.QuadPart = stfs.f_bavail;
2059                 info->SectorsPerAllocationUnit = 1;
2060                 io->Information = sizeof(*info);
2061                 io->u.Status = STATUS_SUCCESS;
2062             }
2063         }
2064         break;
2065     case FileFsDeviceInformation:
2066         if (length < sizeof(FILE_FS_DEVICE_INFORMATION))
2067             io->u.Status = STATUS_BUFFER_TOO_SMALL;
2068         else
2069         {
2070             FILE_FS_DEVICE_INFORMATION *info = buffer;
2071
2072             if ((io->u.Status = get_device_info( fd, info )) == STATUS_SUCCESS)
2073                 io->Information = sizeof(*info);
2074         }
2075         break;
2076     case FileFsAttributeInformation:
2077         FIXME( "%p: attribute info not supported\n", handle );
2078         break;
2079     case FileFsControlInformation:
2080         FIXME( "%p: control info not supported\n", handle );
2081         break;
2082     case FileFsFullSizeInformation:
2083         FIXME( "%p: full size info not supported\n", handle );
2084         break;
2085     case FileFsObjectIdInformation:
2086         FIXME( "%p: object id info not supported\n", handle );
2087         break;
2088     case FileFsMaximumInformation:
2089         FIXME( "%p: maximum info not supported\n", handle );
2090         break;
2091     default:
2092         io->u.Status = STATUS_INVALID_PARAMETER;
2093         break;
2094     }
2095     if (needs_close) close( fd );
2096     return io->u.Status;
2097 }
2098
2099
2100 /******************************************************************
2101  *              NtFlushBuffersFile  (NTDLL.@)
2102  *
2103  * Flush any buffered data on an open file handle.
2104  *
2105  * PARAMS
2106  *  FileHandle         [I] Handle returned from ZwOpenFile() or ZwCreateFile()
2107  *  IoStatusBlock      [O] Receives information about the operation on return
2108  *
2109  * RETURNS
2110  *  Success: 0. IoStatusBlock is updated.
2111  *  Failure: An NTSTATUS error code describing the error.
2112  */
2113 NTSTATUS WINAPI NtFlushBuffersFile( HANDLE hFile, IO_STATUS_BLOCK* IoStatusBlock )
2114 {
2115     NTSTATUS ret;
2116     HANDLE hEvent = NULL;
2117
2118     SERVER_START_REQ( flush_file )
2119     {
2120         req->handle = hFile;
2121         ret = wine_server_call( req );
2122         hEvent = reply->event;
2123     }
2124     SERVER_END_REQ;
2125     if (!ret && hEvent)
2126     {
2127         ret = NtWaitForSingleObject( hEvent, FALSE, NULL );
2128         NtClose( hEvent );
2129     }
2130     return ret;
2131 }
2132
2133 /******************************************************************
2134  *              NtLockFile       (NTDLL.@)
2135  *
2136  *
2137  */
2138 NTSTATUS WINAPI NtLockFile( HANDLE hFile, HANDLE lock_granted_event,
2139                             PIO_APC_ROUTINE apc, void* apc_user,
2140                             PIO_STATUS_BLOCK io_status, PLARGE_INTEGER offset,
2141                             PLARGE_INTEGER count, ULONG* key, BOOLEAN dont_wait,
2142                             BOOLEAN exclusive )
2143 {
2144     NTSTATUS    ret;
2145     HANDLE      handle;
2146     BOOLEAN     async;
2147
2148     if (apc || io_status || key)
2149     {
2150         FIXME("Unimplemented yet parameter\n");
2151         return STATUS_NOT_IMPLEMENTED;
2152     }
2153
2154     if (apc_user) FIXME("I/O completion on lock not implemented yet\n");
2155
2156     for (;;)
2157     {
2158         SERVER_START_REQ( lock_file )
2159         {
2160             req->handle      = hFile;
2161             req->offset      = offset->QuadPart;
2162             req->count       = count->QuadPart;
2163             req->shared      = !exclusive;
2164             req->wait        = !dont_wait;
2165             ret = wine_server_call( req );
2166             handle = reply->handle;
2167             async  = reply->overlapped;
2168         }
2169         SERVER_END_REQ;
2170         if (ret != STATUS_PENDING)
2171         {
2172             if (!ret && lock_granted_event) NtSetEvent(lock_granted_event, NULL);
2173             return ret;
2174         }
2175
2176         if (async)
2177         {
2178             FIXME( "Async I/O lock wait not implemented, might deadlock\n" );
2179             if (handle) NtClose( handle );
2180             return STATUS_PENDING;
2181         }
2182         if (handle)
2183         {
2184             NtWaitForSingleObject( handle, FALSE, NULL );
2185             NtClose( handle );
2186         }
2187         else
2188         {
2189             LARGE_INTEGER time;
2190
2191             /* Unix lock conflict, sleep a bit and retry */
2192             time.QuadPart = 100 * (ULONGLONG)10000;
2193             time.QuadPart = -time.QuadPart;
2194             NtDelayExecution( FALSE, &time );
2195         }
2196     }
2197 }
2198
2199
2200 /******************************************************************
2201  *              NtUnlockFile    (NTDLL.@)
2202  *
2203  *
2204  */
2205 NTSTATUS WINAPI NtUnlockFile( HANDLE hFile, PIO_STATUS_BLOCK io_status,
2206                               PLARGE_INTEGER offset, PLARGE_INTEGER count,
2207                               PULONG key )
2208 {
2209     NTSTATUS status;
2210
2211     TRACE( "%p %x%08x %x%08x\n",
2212            hFile, offset->u.HighPart, offset->u.LowPart, count->u.HighPart, count->u.LowPart );
2213
2214     if (io_status || key)
2215     {
2216         FIXME("Unimplemented yet parameter\n");
2217         return STATUS_NOT_IMPLEMENTED;
2218     }
2219
2220     SERVER_START_REQ( unlock_file )
2221     {
2222         req->handle = hFile;
2223         req->offset = offset->QuadPart;
2224         req->count  = count->QuadPart;
2225         status = wine_server_call( req );
2226     }
2227     SERVER_END_REQ;
2228     return status;
2229 }
2230
2231 /******************************************************************
2232  *              NtCreateNamedPipeFile    (NTDLL.@)
2233  *
2234  *
2235  */
2236 NTSTATUS WINAPI NtCreateNamedPipeFile( PHANDLE handle, ULONG access,
2237                                        POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK iosb,
2238                                        ULONG sharing, ULONG dispo, ULONG options,
2239                                        ULONG pipe_type, ULONG read_mode,
2240                                        ULONG completion_mode, ULONG max_inst,
2241                                        ULONG inbound_quota, ULONG outbound_quota,
2242                                        PLARGE_INTEGER timeout)
2243 {
2244     NTSTATUS    status;
2245
2246     TRACE("(%p %x %s %p %x %d %x %d %d %d %d %d %d %p)\n",
2247           handle, access, debugstr_w(attr->ObjectName->Buffer), iosb, sharing, dispo,
2248           options, pipe_type, read_mode, completion_mode, max_inst, inbound_quota,
2249           outbound_quota, timeout);
2250
2251     /* assume we only get relative timeout */
2252     if (timeout->QuadPart > 0)
2253         FIXME("Wrong time %s\n", wine_dbgstr_longlong(timeout->QuadPart));
2254
2255     SERVER_START_REQ( create_named_pipe )
2256     {
2257         req->access  = access;
2258         req->attributes = attr->Attributes;
2259         req->rootdir = attr->RootDirectory;
2260         req->options = options;
2261         req->flags =
2262             (pipe_type) ? NAMED_PIPE_MESSAGE_STREAM_WRITE : 0 |
2263             (read_mode) ? NAMED_PIPE_MESSAGE_STREAM_READ  : 0 |
2264             (completion_mode) ? NAMED_PIPE_NONBLOCKING_MODE  : 0;
2265         req->maxinstances = max_inst;
2266         req->outsize = outbound_quota;
2267         req->insize  = inbound_quota;
2268         req->timeout = timeout->QuadPart;
2269         wine_server_add_data( req, attr->ObjectName->Buffer,
2270                               attr->ObjectName->Length );
2271         status = wine_server_call( req );
2272         if (!status) *handle = reply->handle;
2273     }
2274     SERVER_END_REQ;
2275     return status;
2276 }
2277
2278 /******************************************************************
2279  *              NtDeleteFile    (NTDLL.@)
2280  *
2281  *
2282  */
2283 NTSTATUS WINAPI NtDeleteFile( POBJECT_ATTRIBUTES ObjectAttributes )
2284 {
2285     NTSTATUS status;
2286     HANDLE hFile;
2287     IO_STATUS_BLOCK io;
2288
2289     TRACE("%p\n", ObjectAttributes);
2290     status = NtCreateFile( &hFile, GENERIC_READ | GENERIC_WRITE | DELETE,
2291                            ObjectAttributes, &io, NULL, 0,
2292                            FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
2293                            FILE_OPEN, FILE_DELETE_ON_CLOSE, NULL, 0 );
2294     if (status == STATUS_SUCCESS) status = NtClose(hFile);
2295     return status;
2296 }
2297
2298 /******************************************************************
2299  *              NtCancelIoFile    (NTDLL.@)
2300  *
2301  *
2302  */
2303 NTSTATUS WINAPI NtCancelIoFile( HANDLE hFile, PIO_STATUS_BLOCK io_status )
2304 {
2305     LARGE_INTEGER timeout;
2306
2307     TRACE("%p %p\n", hFile, io_status );
2308
2309     SERVER_START_REQ( cancel_async )
2310     {
2311         req->handle = hFile;
2312         wine_server_call( req );
2313     }
2314     SERVER_END_REQ;
2315     /* Let some APC be run, so that we can run the remaining APCs on hFile
2316      * either the cancelation of the pending one, but also the execution
2317      * of the queued APC, but not yet run. This is needed to ensure proper
2318      * clean-up of allocated data.
2319      */
2320     timeout.u.LowPart = timeout.u.HighPart = 0;
2321     return io_status->u.Status = NtDelayExecution( TRUE, &timeout );
2322 }
2323
2324 /******************************************************************************
2325  *  NtCreateMailslotFile        [NTDLL.@]
2326  *  ZwCreateMailslotFile        [NTDLL.@]
2327  *
2328  * PARAMS
2329  *  pHandle          [O] pointer to receive the handle created
2330  *  DesiredAccess    [I] access mode (read, write, etc)
2331  *  ObjectAttributes [I] fully qualified NT path of the mailslot
2332  *  IoStatusBlock    [O] receives completion status and other info
2333  *  CreateOptions    [I]
2334  *  MailslotQuota    [I]
2335  *  MaxMessageSize   [I]
2336  *  TimeOut          [I]
2337  *
2338  * RETURNS
2339  *  An NT status code
2340  */
2341 NTSTATUS WINAPI NtCreateMailslotFile(PHANDLE pHandle, ULONG DesiredAccess,
2342      POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK IoStatusBlock,
2343      ULONG CreateOptions, ULONG MailslotQuota, ULONG MaxMessageSize,
2344      PLARGE_INTEGER TimeOut)
2345 {
2346     LARGE_INTEGER timeout;
2347     NTSTATUS ret;
2348
2349     TRACE("%p %08x %p %p %08x %08x %08x %p\n",
2350               pHandle, DesiredAccess, attr, IoStatusBlock,
2351               CreateOptions, MailslotQuota, MaxMessageSize, TimeOut);
2352
2353     if (!pHandle) return STATUS_ACCESS_VIOLATION;
2354     if (!attr) return STATUS_INVALID_PARAMETER;
2355     if (!attr->ObjectName) return STATUS_OBJECT_PATH_SYNTAX_BAD;
2356
2357     /*
2358      *  For a NULL TimeOut pointer set the default timeout value
2359      */
2360     if  (!TimeOut)
2361         timeout.QuadPart = -1;
2362     else
2363         timeout.QuadPart = TimeOut->QuadPart;
2364
2365     SERVER_START_REQ( create_mailslot )
2366     {
2367         req->access = DesiredAccess;
2368         req->attributes = attr->Attributes;
2369         req->rootdir = attr->RootDirectory;
2370         req->max_msgsize = MaxMessageSize;
2371         req->read_timeout = timeout.QuadPart;
2372         wine_server_add_data( req, attr->ObjectName->Buffer,
2373                               attr->ObjectName->Length );
2374         ret = wine_server_call( req );
2375         if( ret == STATUS_SUCCESS )
2376             *pHandle = reply->handle;
2377     }
2378     SERVER_END_REQ;
2379
2380     return ret;
2381 }