Moved mciavi32 to the top-level dlls directory.
[wine] / dlls / ntdll / file.c
1 /*
2  * Copyright 1999, 2000 Juergen Schmied
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
17  */
18
19 #include "config.h"
20 #include "wine/port.h"
21
22 #include <stdlib.h>
23 #include <string.h>
24 #include <stdio.h>
25 #include <errno.h>
26 #include <assert.h>
27 #ifdef HAVE_UNISTD_H
28 # include <unistd.h>
29 #endif
30 #ifdef HAVE_SYS_ERRNO_H
31 #include <sys/errno.h>
32 #endif
33 #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_UTIME_H
46 # include <utime.h>
47 #endif
48 #ifdef STATFS_DEFINED_BY_SYS_VFS
49 # include <sys/vfs.h>
50 #else
51 # ifdef STATFS_DEFINED_BY_SYS_MOUNT
52 #  include <sys/mount.h>
53 # else
54 #  ifdef STATFS_DEFINED_BY_SYS_STATFS
55 #   include <sys/statfs.h>
56 #  endif
57 # endif
58 #endif
59
60 #ifdef HAVE_IOKIT_IOKITLIB_H
61 # include <IOKit/IOKitLib.h>
62 # include <CoreFoundation/CFNumber.h> /* for kCFBooleanTrue, kCFBooleanFalse */
63 # include <paths.h>
64 #endif
65
66 #define NONAMELESSUNION
67 #define NONAMELESSSTRUCT
68 #include "wine/unicode.h"
69 #include "wine/debug.h"
70 #include "thread.h"
71 #include "wine/server.h"
72 #include "ntdll_misc.h"
73
74 #include "winternl.h"
75 #include "winioctl.h"
76
77 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
78
79 mode_t FILE_umask = 0;
80
81 #define SECSPERDAY         86400
82 #define SECS_1601_TO_1970  ((369 * 365 + 89) * (ULONGLONG)SECSPERDAY)
83
84 /**************************************************************************
85  *                 NtOpenFile                           [NTDLL.@]
86  *                 ZwOpenFile                           [NTDLL.@]
87  *
88  * Open a file.
89  *
90  * PARAMS
91  *  handle    [O] Variable that receives the file handle on return
92  *  access    [I] Access desired by the caller to the file
93  *  attr      [I] Structure describing the file to be opened
94  *  io        [O] Receives details about the result of the operation
95  *  sharing   [I] Type of shared access the caller requires
96  *  options   [I] Options for the file open
97  *
98  * RETURNS
99  *  Success: 0. FileHandle and IoStatusBlock are updated.
100  *  Failure: An NTSTATUS error code describing the error.
101  */
102 NTSTATUS WINAPI NtOpenFile( PHANDLE handle, ACCESS_MASK access,
103                             POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK io,
104                             ULONG sharing, ULONG options )
105 {
106     return NtCreateFile( handle, access, attr, io, NULL, 0,
107                          sharing, FILE_OPEN, options, NULL, 0 );
108 }
109
110 /**************************************************************************
111  *              NtCreateFile                            [NTDLL.@]
112  *              ZwCreateFile                            [NTDLL.@]
113  *
114  * Either create a new file or directory, or open an existing file, device,
115  * directory or volume.
116  *
117  * PARAMS
118  *      handle       [O] Points to a variable which receives the file handle on return
119  *      access       [I] Desired access to the file
120  *      attr         [I] Structure describing the file
121  *      io           [O] Receives information about the operation on return
122  *      alloc_size   [I] Initial size of the file in bytes
123  *      attributes   [I] Attributes to create the file with
124  *      sharing      [I] Type of shared access the caller would like to the file
125  *      disposition  [I] Specifies what to do, depending on whether the file already exists
126  *      options      [I] Options for creating a new file
127  *      ea_buffer    [I] Pointer to an extended attributes buffer
128  *      ea_length    [I] Length of ea_buffer
129  *
130  * RETURNS
131  *  Success: 0. handle and io are updated.
132  *  Failure: An NTSTATUS error code describing the error.
133  */
134 NTSTATUS WINAPI NtCreateFile( PHANDLE handle, ACCESS_MASK access, POBJECT_ATTRIBUTES attr,
135                               PIO_STATUS_BLOCK io, PLARGE_INTEGER alloc_size,
136                               ULONG attributes, ULONG sharing, ULONG disposition,
137                               ULONG options, PVOID ea_buffer, ULONG ea_length )
138 {
139     static const WCHAR pipeW[] = {'\\','?','?','\\','p','i','p','e','\\'};
140     static const WCHAR mailslotW[] = {'\\','?','?','\\','M','A','I','L','S','L','O','T','\\'};
141     ANSI_STRING unix_name;
142     int created = FALSE;
143
144     TRACE("handle=%p access=%08lx name=%s objattr=%08lx root=%p sec=%p io=%p alloc_size=%p\n"
145           "attr=%08lx sharing=%08lx disp=%ld options=%08lx ea=%p.0x%08lx\n",
146           handle, access, debugstr_us(attr->ObjectName), attr->Attributes,
147           attr->RootDirectory, attr->SecurityDescriptor, io, alloc_size,
148           attributes, sharing, disposition, options, ea_buffer, ea_length );
149
150     if (!attr || !attr->ObjectName) return STATUS_INVALID_PARAMETER;
151
152     if (attr->RootDirectory)
153     {
154         FIXME( "RootDirectory %p not supported\n", attr->RootDirectory );
155         return STATUS_OBJECT_NAME_NOT_FOUND;
156     }
157     if (alloc_size) FIXME( "alloc_size not supported\n" );
158
159     /* check for named pipe */
160
161     if (attr->ObjectName->Length > sizeof(pipeW) &&
162         !memicmpW( attr->ObjectName->Buffer, pipeW, sizeof(pipeW)/sizeof(WCHAR) ))
163     {
164         SERVER_START_REQ( open_named_pipe )
165         {
166             req->access = access;
167             req->flags = options;
168             req->inherit = (attr->Attributes & OBJ_INHERIT) != 0;
169             wine_server_add_data( req, attr->ObjectName->Buffer + 4,
170                                   attr->ObjectName->Length - 4*sizeof(WCHAR) );
171             io->u.Status = wine_server_call( req );
172             *handle = reply->handle;
173         }
174         SERVER_END_REQ;
175         return io->u.Status;
176     }
177
178     /* check for mailslot */
179
180     if (attr->ObjectName->Length > sizeof(mailslotW) &&
181         !memicmpW( attr->ObjectName->Buffer, mailslotW, sizeof(mailslotW)/sizeof(WCHAR) ))
182     {
183         SERVER_START_REQ( open_mailslot )
184         {
185             req->access = access & GENERIC_WRITE;
186             req->sharing = sharing;
187             req->inherit = (attr->Attributes & OBJ_INHERIT) != 0;
188             wine_server_add_data( req, attr->ObjectName->Buffer + 4,
189                                   attr->ObjectName->Length - 4*sizeof(WCHAR) );
190             io->u.Status = wine_server_call( req );
191             *handle = reply->handle;
192         }
193         SERVER_END_REQ;
194         return io->u.Status;
195     }
196
197     io->u.Status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, disposition,
198                                               !(attr->Attributes & OBJ_CASE_INSENSITIVE) );
199
200     if (io->u.Status == STATUS_NO_SUCH_FILE &&
201         disposition != FILE_OPEN && disposition != FILE_OVERWRITE)
202     {
203         created = TRUE;
204         io->u.Status = STATUS_SUCCESS;
205     }
206
207     if (io->u.Status == STATUS_SUCCESS)
208     {
209         SERVER_START_REQ( create_file )
210         {
211             req->access     = access;
212             req->inherit    = (attr->Attributes & OBJ_INHERIT) != 0;
213             req->sharing    = sharing;
214             req->create     = disposition;
215             req->options    = options;
216             req->attrs      = attributes;
217             wine_server_add_data( req, unix_name.Buffer, unix_name.Length );
218             io->u.Status = wine_server_call( req );
219             *handle = reply->handle;
220         }
221         SERVER_END_REQ;
222         RtlFreeAnsiString( &unix_name );
223     }
224     else WARN("%s not found (%lx)\n", debugstr_us(attr->ObjectName), io->u.Status );
225
226     if (io->u.Status == STATUS_SUCCESS)
227     {
228         if (created) io->Information = FILE_CREATED;
229         else switch(disposition)
230         {
231         case FILE_SUPERSEDE:
232             io->Information = FILE_SUPERSEDED;
233             break;
234         case FILE_CREATE:
235             io->Information = FILE_CREATED;
236             break;
237         case FILE_OPEN:
238         case FILE_OPEN_IF:
239             io->Information = FILE_OPENED;
240             break;
241         case FILE_OVERWRITE:
242         case FILE_OVERWRITE_IF:
243             io->Information = FILE_OVERWRITTEN;
244             break;
245         }
246     }
247
248     return io->u.Status;
249 }
250
251 /***********************************************************************
252  *                  Asynchronous file I/O                              *
253  */
254 static void WINAPI FILE_AsyncReadService(void*, PIO_STATUS_BLOCK, ULONG);
255 static void WINAPI FILE_AsyncWriteService(void*, PIO_STATUS_BLOCK, ULONG);
256
257 typedef struct async_fileio
258 {
259     HANDLE              handle;
260     PIO_APC_ROUTINE     apc;
261     void*               apc_user;
262     char*               buffer;
263     unsigned int        count;
264     off_t               offset;
265     int                 queue_apc_on_error;
266     BOOL                avail_mode;
267     int                 fd;
268     HANDLE              event;
269 } async_fileio;
270
271 static void fileio_terminate(async_fileio *fileio, IO_STATUS_BLOCK* iosb)
272 {
273     TRACE("data: %p\n", fileio);
274
275     wine_server_release_fd( fileio->handle, fileio->fd );
276     if ( fileio->event != INVALID_HANDLE_VALUE )
277         NtSetEvent( fileio->event, NULL );
278
279     if (fileio->apc && 
280         (iosb->u.Status == STATUS_SUCCESS || fileio->queue_apc_on_error))
281         fileio->apc( fileio->apc_user, iosb, iosb->Information );
282
283     RtlFreeHeap( GetProcessHeap(), 0, fileio );
284 }
285
286
287 static ULONG fileio_queue_async(async_fileio* fileio, IO_STATUS_BLOCK* iosb, 
288                                 BOOL do_read)
289 {
290     PIO_APC_ROUTINE     apc = do_read ? FILE_AsyncReadService : FILE_AsyncWriteService;
291     NTSTATUS            status;
292
293     SERVER_START_REQ( register_async )
294     {
295         req->handle = fileio->handle;
296         req->io_apc = apc;
297         req->io_sb = iosb;
298         req->io_user = fileio;
299         req->type = do_read ? ASYNC_TYPE_READ : ASYNC_TYPE_WRITE;
300         req->count = (fileio->count < iosb->Information) ? 
301             0 : fileio->count - iosb->Information;
302         status = wine_server_call( req );
303     }
304     SERVER_END_REQ;
305
306     if ( status ) iosb->u.Status = status;
307     if ( iosb->u.Status != STATUS_PENDING )
308     {
309         (apc)( fileio, iosb, iosb->u.Status );
310         return iosb->u.Status;
311     }
312     NtCurrentTeb()->num_async_io++;
313     return STATUS_SUCCESS;
314 }
315
316 /***********************************************************************
317  *           FILE_GetNtStatus(void)
318  *
319  * Retrieve the Nt Status code from errno.
320  * Try to be consistent with FILE_SetDosError().
321  */
322 NTSTATUS FILE_GetNtStatus(void)
323 {
324     int err = errno;
325
326     TRACE( "errno = %d\n", errno );
327     switch (err)
328     {
329     case EAGAIN:    return STATUS_SHARING_VIOLATION;
330     case EBADF:     return STATUS_INVALID_HANDLE;
331     case ENOSPC:    return STATUS_DISK_FULL;
332     case EPERM:
333     case EROFS:
334     case EACCES:    return STATUS_ACCESS_DENIED;
335     case ENOTDIR:   return STATUS_OBJECT_PATH_NOT_FOUND;
336     case ENOENT:    return STATUS_OBJECT_NAME_NOT_FOUND;
337     case EISDIR:    return STATUS_FILE_IS_A_DIRECTORY;
338     case EMFILE:
339     case ENFILE:    return STATUS_TOO_MANY_OPENED_FILES;
340     case EINVAL:    return STATUS_INVALID_PARAMETER;
341     case ENOTEMPTY: return STATUS_DIRECTORY_NOT_EMPTY;
342     case EPIPE:     return STATUS_PIPE_BROKEN;
343     case EIO:       return STATUS_DEVICE_NOT_READY;
344 #ifdef ENOMEDIUM
345     case ENOMEDIUM: return STATUS_NO_MEDIA_IN_DEVICE;
346 #endif
347     case ENOTTY:
348     case EOPNOTSUPP:return STATUS_NOT_SUPPORTED;
349     case ECONNRESET:return STATUS_PIPE_DISCONNECTED;
350     case ENOEXEC:   /* ?? */
351     case ESPIPE:    /* ?? */
352     case EEXIST:    /* ?? */
353     default:
354         FIXME( "Converting errno %d to STATUS_UNSUCCESSFUL\n", err );
355         return STATUS_UNSUCCESSFUL;
356     }
357 }
358
359 /***********************************************************************
360  *             FILE_AsyncReadService      (INTERNAL)
361  *
362  *  This function is called while the client is waiting on the
363  *  server, so we can't make any server calls here.
364  */
365 static void WINAPI FILE_AsyncReadService(void *user, PIO_STATUS_BLOCK iosb, ULONG status)
366 {
367     async_fileio *fileio = (async_fileio*)user;
368     int result;
369     int already = iosb->Information;
370
371     TRACE("%p %p 0x%lx\n", iosb, fileio->buffer, status);
372
373     switch (status)
374     {
375     case STATUS_ALERTED: /* got some new data */
376         if (iosb->u.Status != STATUS_PENDING) FIXME("unexpected status %08lx\n", iosb->u.Status);
377         /* check to see if the data is ready (non-blocking) */
378         if ( fileio->avail_mode )
379             result = read(fileio->fd, &fileio->buffer[already], 
380                           fileio->count - already);
381         else
382         {
383             result = pread(fileio->fd, &fileio->buffer[already],
384                            fileio->count - already,
385                            fileio->offset + already);
386             if ((result < 0) && (errno == ESPIPE))
387                 result = read(fileio->fd, &fileio->buffer[already], 
388                               fileio->count - already);
389         }
390
391         if (result < 0)
392         {
393             if (errno == EAGAIN || errno == EINTR)
394             {
395                 TRACE("Deferred read %d\n", errno);
396                 iosb->u.Status = STATUS_PENDING;
397             }
398             else /* check to see if the transfer is complete */
399                 iosb->u.Status = FILE_GetNtStatus();
400         }
401         else if (result == 0)
402         {
403             iosb->u.Status = iosb->Information ? STATUS_SUCCESS : STATUS_END_OF_FILE;
404         }
405         else
406         {
407             iosb->Information += result;
408             if (iosb->Information >= fileio->count || fileio->avail_mode)
409                 iosb->u.Status = STATUS_SUCCESS;
410             else
411             {
412                 /* if we only have to read the available data, and none is available,
413                  * simply cancel the request. If data was available, it has been read
414                  * while in by previous call (NtDelayExecution)
415                  */
416                 iosb->u.Status = (fileio->avail_mode) ? STATUS_SUCCESS : STATUS_PENDING;
417             }
418
419             TRACE("read %d more bytes %ld/%d so far (%s)\n",
420                   result, iosb->Information, fileio->count, 
421                   (iosb->u.Status == STATUS_SUCCESS) ? "success" : "pending");
422         }
423         /* queue another async operation ? */
424         if (iosb->u.Status == STATUS_PENDING)
425             fileio_queue_async(fileio, iosb, TRUE);
426         else
427             fileio_terminate(fileio, iosb);
428         break;
429     default:
430         iosb->u.Status = status;
431         fileio_terminate(fileio, iosb);
432         break;
433     }
434 }
435
436
437 /******************************************************************************
438  *  NtReadFile                                  [NTDLL.@]
439  *  ZwReadFile                                  [NTDLL.@]
440  *
441  * Read from an open file handle.
442  *
443  * PARAMS
444  *  FileHandle    [I] Handle returned from ZwOpenFile() or ZwCreateFile()
445  *  Event         [I] Event to signal upon completion (or NULL)
446  *  ApcRoutine    [I] Callback to call upon completion (or NULL)
447  *  ApcContext    [I] Context for ApcRoutine (or NULL)
448  *  IoStatusBlock [O] Receives information about the operation on return
449  *  Buffer        [O] Destination for the data read
450  *  Length        [I] Size of Buffer
451  *  ByteOffset    [O] Destination for the new file pointer position (or NULL)
452  *  Key           [O] Function unknown (may be NULL)
453  *
454  * RETURNS
455  *  Success: 0. IoStatusBlock is updated, and the Information member contains
456  *           The number of bytes read.
457  *  Failure: An NTSTATUS error code describing the error.
458  */
459 NTSTATUS WINAPI NtReadFile(HANDLE hFile, HANDLE hEvent,
460                            PIO_APC_ROUTINE apc, void* apc_user,
461                            PIO_STATUS_BLOCK io_status, void* buffer, ULONG length,
462                            PLARGE_INTEGER offset, PULONG key)
463 {
464     int unix_handle, flags;
465
466     TRACE("(%p,%p,%p,%p,%p,%p,0x%08lx,%p,%p),partial stub!\n",
467           hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
468
469     if (!io_status) return STATUS_ACCESS_VIOLATION;
470
471     io_status->Information = 0;
472     io_status->u.Status = wine_server_handle_to_fd( hFile, GENERIC_READ, &unix_handle, &flags );
473     if (io_status->u.Status) return io_status->u.Status;
474
475     if (flags & FD_FLAG_RECV_SHUTDOWN)
476     {
477         wine_server_release_fd( hFile, unix_handle );
478         return STATUS_PIPE_DISCONNECTED;
479     }
480
481     if (flags & FD_FLAG_TIMEOUT)
482     {
483         if (hEvent)
484         {
485             /* this shouldn't happen, but check it */
486             FIXME("NIY-hEvent\n");
487             wine_server_release_fd( hFile, unix_handle );
488             return STATUS_NOT_IMPLEMENTED;
489         }
490         io_status->u.Status = NtCreateEvent(&hEvent, EVENT_ALL_ACCESS, NULL, 0, 0);
491         if (io_status->u.Status)
492         {
493             wine_server_release_fd( hFile, unix_handle );
494             return io_status->u.Status;
495         }
496     }
497
498     if (flags & (FD_FLAG_OVERLAPPED|FD_FLAG_TIMEOUT))
499     {
500         async_fileio*   fileio;
501         NTSTATUS ret;
502
503         if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(async_fileio))))
504         {
505             wine_server_release_fd( hFile, unix_handle );
506             if (flags & FD_FLAG_TIMEOUT) NtClose(hEvent);
507             return STATUS_NO_MEMORY;
508         }
509         fileio->handle = hFile;
510         fileio->count = length;
511         if ( offset == NULL ) 
512             fileio->offset = 0;
513         else
514         {
515             fileio->offset = offset->QuadPart;
516             if (offset->u.HighPart && fileio->offset == offset->u.LowPart)
517                 FIXME("High part of offset is lost\n");
518         } 
519         fileio->apc = apc;
520         fileio->apc_user = apc_user;
521         fileio->buffer = buffer;
522         fileio->queue_apc_on_error = 0;
523         fileio->avail_mode = (flags & FD_FLAG_AVAILABLE);
524         fileio->fd = unix_handle;  /* FIXME */
525         fileio->event = hEvent;
526         NtResetEvent(hEvent, NULL);
527
528         io_status->u.Status = STATUS_PENDING;
529         ret = fileio_queue_async(fileio, io_status, TRUE);
530         if (ret != STATUS_SUCCESS)
531         {
532             wine_server_release_fd( hFile, unix_handle );
533             if (flags & FD_FLAG_TIMEOUT) NtClose(hEvent);
534             return ret;
535         }
536         if (flags & FD_FLAG_TIMEOUT)
537         {
538             do
539             {
540                 ret = NtWaitForSingleObject(hEvent, TRUE, NULL);
541             }
542             while (ret == STATUS_USER_APC && io_status->u.Status == STATUS_PENDING);
543             NtClose(hEvent);
544             if (ret != STATUS_USER_APC)
545                 fileio->queue_apc_on_error = 1;
546         }
547         else
548         {
549             LARGE_INTEGER   timeout;
550
551             /* let some APC be run, this will read some already pending data */
552             timeout.u.LowPart = timeout.u.HighPart = 0;
553             ret = NtDelayExecution( TRUE, &timeout );
554             /* the apc didn't run and therefore the completion routine now
555              * needs to be sent errors.
556              * Note that there is no race between setting this flag and
557              * returning errors because apc's are run only during alertable
558              * waits */
559             if (ret != STATUS_USER_APC)
560                 fileio->queue_apc_on_error = 1;
561         }
562         TRACE("= 0x%08lx\n", io_status->u.Status);
563         return io_status->u.Status;
564     }
565
566     if (offset)
567     {
568         FILE_POSITION_INFORMATION   fpi;
569
570         fpi.CurrentByteOffset = *offset;
571         io_status->u.Status = NtSetInformationFile(hFile, io_status, &fpi, sizeof(fpi), 
572                                                    FilePositionInformation);
573         if (io_status->u.Status)
574         {
575             wine_server_release_fd( hFile, unix_handle );
576             return io_status->u.Status;
577         }
578     }
579     /* code for synchronous reads */
580     while ((io_status->Information = read( unix_handle, buffer, length )) == -1)
581     {
582         if ((errno == EAGAIN) || (errno == EINTR)) continue;
583         if (errno == EFAULT)
584         {
585             io_status->Information = 0;
586             io_status->u.Status = STATUS_ACCESS_VIOLATION;
587         }
588         else io_status->u.Status = FILE_GetNtStatus();
589         break;
590     }
591     wine_server_release_fd( hFile, unix_handle );
592     TRACE("= 0x%08lx\n", io_status->u.Status);
593     return io_status->u.Status;
594 }
595
596 /***********************************************************************
597  *             FILE_AsyncWriteService      (INTERNAL)
598  *
599  *  This function is called while the client is waiting on the
600  *  server, so we can't make any server calls here.
601  */
602 static void WINAPI FILE_AsyncWriteService(void *ovp, IO_STATUS_BLOCK *iosb, ULONG status)
603 {
604     async_fileio *fileio = (async_fileio *) ovp;
605     int result;
606     int already = iosb->Information;
607
608     TRACE("(%p %p 0x%lx)\n",iosb, fileio->buffer, status);
609
610     switch (status)
611     {
612     case STATUS_ALERTED:
613         /* write some data (non-blocking) */
614         if ( fileio->avail_mode )
615             result = write(fileio->fd, &fileio->buffer[already], 
616                            fileio->count - already);
617         else
618         {
619             result = pwrite(fileio->fd, &fileio->buffer[already], 
620                             fileio->count - already, fileio->offset + already);
621             if ((result < 0) && (errno == ESPIPE))
622                 result = write(fileio->fd, &fileio->buffer[already], 
623                                fileio->count - already);
624         }
625
626         if (result < 0)
627         {
628             if (errno == EAGAIN || errno == EINTR) iosb->u.Status = STATUS_PENDING;
629             else iosb->u.Status = FILE_GetNtStatus();
630         }
631         else
632         {
633             iosb->Information += result;
634             iosb->u.Status = (iosb->Information < fileio->count) ? STATUS_PENDING : STATUS_SUCCESS;
635             TRACE("wrote %d more bytes %ld/%d so far\n", 
636                   result, iosb->Information, fileio->count);
637         }
638         if (iosb->u.Status == STATUS_PENDING)
639             fileio_queue_async(fileio, iosb, FALSE);
640         else
641             fileio_terminate(fileio, iosb);
642         break;
643     default:
644         iosb->u.Status = status;
645         fileio_terminate(fileio, iosb);
646         break;
647     }
648 }
649
650 /******************************************************************************
651  *  NtWriteFile                                 [NTDLL.@]
652  *  ZwWriteFile                                 [NTDLL.@]
653  *
654  * Write to an open file handle.
655  *
656  * PARAMS
657  *  FileHandle    [I] Handle returned from ZwOpenFile() or ZwCreateFile()
658  *  Event         [I] Event to signal upon completion (or NULL)
659  *  ApcRoutine    [I] Callback to call upon completion (or NULL)
660  *  ApcContext    [I] Context for ApcRoutine (or NULL)
661  *  IoStatusBlock [O] Receives information about the operation on return
662  *  Buffer        [I] Source for the data to write
663  *  Length        [I] Size of Buffer
664  *  ByteOffset    [O] Destination for the new file pointer position (or NULL)
665  *  Key           [O] Function unknown (may be NULL)
666  *
667  * RETURNS
668  *  Success: 0. IoStatusBlock is updated, and the Information member contains
669  *           The number of bytes written.
670  *  Failure: An NTSTATUS error code describing the error.
671  */
672 NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
673                             PIO_APC_ROUTINE apc, void* apc_user,
674                             PIO_STATUS_BLOCK io_status, 
675                             const void* buffer, ULONG length,
676                             PLARGE_INTEGER offset, PULONG key)
677 {
678     int unix_handle, flags;
679
680     TRACE("(%p,%p,%p,%p,%p,%p,0x%08lx,%p,%p)!\n",
681           hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
682
683     if (!io_status) return STATUS_ACCESS_VIOLATION;
684
685     io_status->Information = 0;
686     io_status->u.Status = wine_server_handle_to_fd( hFile, GENERIC_WRITE, &unix_handle, &flags );
687     if (io_status->u.Status) return io_status->u.Status;
688
689     if (flags & FD_FLAG_SEND_SHUTDOWN)
690     {
691         wine_server_release_fd( hFile, unix_handle );
692         return STATUS_PIPE_DISCONNECTED;
693     }
694
695     if (flags & FD_FLAG_TIMEOUT)
696     {
697         if (hEvent)
698         {
699             /* this shouldn't happen, but check it */
700             FIXME("NIY-hEvent\n");
701             wine_server_release_fd( hFile, unix_handle );
702             return STATUS_NOT_IMPLEMENTED;
703         }
704         io_status->u.Status = NtCreateEvent(&hEvent, EVENT_ALL_ACCESS, NULL, 0, 0);
705         if (io_status->u.Status)
706         {
707             wine_server_release_fd( hFile, unix_handle );
708             return io_status->u.Status;
709         }
710     }
711
712     if (flags & (FD_FLAG_OVERLAPPED|FD_FLAG_TIMEOUT))
713     {
714         async_fileio*   fileio;
715         NTSTATUS ret;
716
717         if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(async_fileio))))
718         {
719             wine_server_release_fd( hFile, unix_handle );
720             if (flags & FD_FLAG_TIMEOUT) NtClose(hEvent);
721             return STATUS_NO_MEMORY;
722         }
723         fileio->handle = hFile;
724         fileio->count = length;
725         if (offset)
726         {
727             fileio->offset = offset->QuadPart;
728             if (offset->u.HighPart && fileio->offset == offset->u.LowPart)
729                 FIXME("High part of offset is lost\n");
730         }
731         else  
732         {
733             fileio->offset = 0;
734         }
735         fileio->apc = apc;
736         fileio->apc_user = apc_user;
737         fileio->buffer = (void*)buffer;
738         fileio->queue_apc_on_error = 0;
739         fileio->avail_mode = (flags & FD_FLAG_AVAILABLE);
740         fileio->fd = unix_handle;  /* FIXME */
741         fileio->event = hEvent;
742         NtResetEvent(hEvent, NULL);
743
744         io_status->Information = 0;
745         io_status->u.Status = STATUS_PENDING;
746         ret = fileio_queue_async(fileio, io_status, FALSE);
747         if (ret != STATUS_SUCCESS)
748         {
749             wine_server_release_fd( hFile, unix_handle );
750             if (flags & FD_FLAG_TIMEOUT) NtClose(hEvent);
751             return ret;
752         }
753         if (flags & FD_FLAG_TIMEOUT)
754         {
755             do
756             {
757                 ret = NtWaitForSingleObject(hEvent, TRUE, NULL);
758             }
759             while (ret == STATUS_USER_APC && io_status->u.Status == STATUS_PENDING);
760             NtClose(hEvent);
761             if (ret != STATUS_USER_APC)
762                 fileio->queue_apc_on_error = 1;
763         }
764         else
765         {
766             LARGE_INTEGER   timeout;
767
768             /* let some APC be run, this will write as much data as possible */
769             timeout.u.LowPart = timeout.u.HighPart = 0;
770             ret = NtDelayExecution( TRUE, &timeout );
771             /* the apc didn't run and therefore the completion routine now
772              * needs to be sent errors.
773              * Note that there is no race between setting this flag and
774              * returning errors because apc's are run only during alertable
775              * waits */
776             if (ret != STATUS_USER_APC)
777                 fileio->queue_apc_on_error = 1;
778         }
779         return io_status->u.Status;
780     }
781
782     if (offset)
783     {
784         FILE_POSITION_INFORMATION   fpi;
785
786         fpi.CurrentByteOffset = *offset;
787         io_status->u.Status = NtSetInformationFile(hFile, io_status, &fpi, sizeof(fpi),
788                                                    FilePositionInformation);
789         if (io_status->u.Status)
790         {
791             wine_server_release_fd( hFile, unix_handle );
792             return io_status->u.Status;
793         }
794     }
795
796     /* synchronous file write */
797     while ((io_status->Information = write( unix_handle, buffer, length )) == -1)
798     {
799         if ((errno == EAGAIN) || (errno == EINTR)) continue;
800         if (errno == EFAULT)
801         {
802             io_status->Information = 0;
803             io_status->u.Status = STATUS_INVALID_USER_BUFFER;
804         }
805         else if (errno == ENOSPC) io_status->u.Status = STATUS_DISK_FULL;
806         else io_status->u.Status = FILE_GetNtStatus();
807         break;
808     }
809     wine_server_release_fd( hFile, unix_handle );
810     return io_status->u.Status;
811 }
812
813 /**************************************************************************
814  *              NtDeviceIoControlFile                   [NTDLL.@]
815  *              ZwDeviceIoControlFile                   [NTDLL.@]
816  *
817  * Perform an I/O control operation on an open file handle.
818  *
819  * PARAMS
820  *  DeviceHandle     [I] Handle returned from ZwOpenFile() or ZwCreateFile()
821  *  Event            [I] Event to signal upon completion (or NULL)
822  *  ApcRoutine       [I] Callback to call upon completion (or NULL)
823  *  ApcContext       [I] Context for ApcRoutine (or NULL)
824  *  IoStatusBlock    [O] Receives information about the operation on return
825  *  IoControlCode    [I] Control code for the operation to perform
826  *  InputBuffer      [I] Source for any input data required (or NULL)
827  *  InputBufferSize  [I] Size of InputBuffer
828  *  OutputBuffer     [O] Source for any output data returned (or NULL)
829  *  OutputBufferSize [I] Size of OutputBuffer
830  *
831  * RETURNS
832  *  Success: 0. IoStatusBlock is updated.
833  *  Failure: An NTSTATUS error code describing the error.
834  */
835 NTSTATUS WINAPI NtDeviceIoControlFile(HANDLE DeviceHandle, HANDLE hEvent,
836                                       PIO_APC_ROUTINE UserApcRoutine, 
837                                       PVOID UserApcContext,
838                                       PIO_STATUS_BLOCK IoStatusBlock,
839                                       ULONG IoControlCode,
840                                       PVOID InputBuffer,
841                                       ULONG InputBufferSize,
842                                       PVOID OutputBuffer,
843                                       ULONG OutputBufferSize)
844 {
845     TRACE("(%p,%p,%p,%p,%p,0x%08lx,%p,0x%08lx,%p,0x%08lx)\n",
846           DeviceHandle, hEvent, UserApcRoutine, UserApcContext,
847           IoStatusBlock, IoControlCode, 
848           InputBuffer, InputBufferSize, OutputBuffer, OutputBufferSize);
849
850     if (CDROM_DeviceIoControl(DeviceHandle, hEvent,
851                               UserApcRoutine, UserApcContext,
852                               IoStatusBlock, IoControlCode,
853                               InputBuffer, InputBufferSize,
854                               OutputBuffer, OutputBufferSize) == STATUS_NO_SUCH_DEVICE)
855     {
856         /* it wasn't a CDROM */
857         FIXME("Unimplemented dwIoControlCode=%08lx\n", IoControlCode);
858         IoStatusBlock->u.Status = STATUS_NOT_IMPLEMENTED;
859         IoStatusBlock->Information = 0;
860         if (hEvent) NtSetEvent(hEvent, NULL);
861     }
862     return IoStatusBlock->u.Status;
863 }
864
865 /******************************************************************************
866  * NtFsControlFile [NTDLL.@]
867  * ZwFsControlFile [NTDLL.@]
868  */
869 NTSTATUS WINAPI NtFsControlFile(HANDLE DeviceHandle, HANDLE Event OPTIONAL, PIO_APC_ROUTINE ApcRoutine,
870                                 PVOID ApcContext, PIO_STATUS_BLOCK IoStatusBlock, ULONG IoControlCode,
871                                 PVOID InputBuffer, ULONG InputBufferSize, PVOID OutputBuffer, ULONG OutputBufferSize)
872 {
873     NTSTATUS ret;
874
875     TRACE("(%p,%p,%p,%p,%p,0x%08lx,%p,0x%08lx,%p,0x%08lx)\n",
876     DeviceHandle,Event,ApcRoutine,ApcContext,IoStatusBlock,IoControlCode,
877     InputBuffer,InputBufferSize,OutputBuffer,OutputBufferSize);
878
879     if(!IoStatusBlock) return STATUS_INVALID_PARAMETER;
880
881     switch(IoControlCode)
882     {
883         case FSCTL_PIPE_DISCONNECT :
884             SERVER_START_REQ(disconnect_named_pipe)
885             {
886                 req->handle = DeviceHandle;
887                 ret = wine_server_call(req);
888                 if (!ret && reply->fd != -1) close(reply->fd);
889             }
890             SERVER_END_REQ;
891             return ret;
892         default :
893             FIXME("Unsupported IoControlCode %lx\n", IoControlCode);
894             return STATUS_NOT_SUPPORTED;
895     }
896 }
897
898 /******************************************************************************
899  *  NtSetVolumeInformationFile          [NTDLL.@]
900  *  ZwSetVolumeInformationFile          [NTDLL.@]
901  *
902  * Set volume information for an open file handle.
903  *
904  * PARAMS
905  *  FileHandle         [I] Handle returned from ZwOpenFile() or ZwCreateFile()
906  *  IoStatusBlock      [O] Receives information about the operation on return
907  *  FsInformation      [I] Source for volume information
908  *  Length             [I] Size of FsInformation
909  *  FsInformationClass [I] Type of volume information to set
910  *
911  * RETURNS
912  *  Success: 0. IoStatusBlock is updated.
913  *  Failure: An NTSTATUS error code describing the error.
914  */
915 NTSTATUS WINAPI NtSetVolumeInformationFile(
916         IN HANDLE FileHandle,
917         PIO_STATUS_BLOCK IoStatusBlock,
918         PVOID FsInformation,
919         ULONG Length,
920         FS_INFORMATION_CLASS FsInformationClass)
921 {
922         FIXME("(%p,%p,%p,0x%08lx,0x%08x) stub\n",
923         FileHandle,IoStatusBlock,FsInformation,Length,FsInformationClass);
924         return 0;
925 }
926
927 /******************************************************************************
928  *  NtQueryInformationFile              [NTDLL.@]
929  *  ZwQueryInformationFile              [NTDLL.@]
930  *
931  * Get information about an open file handle.
932  *
933  * PARAMS
934  *  hFile    [I] Handle returned from ZwOpenFile() or ZwCreateFile()
935  *  io       [O] Receives information about the operation on return
936  *  ptr      [O] Destination for file information
937  *  len      [I] Size of FileInformation
938  *  class    [I] Type of file information to get
939  *
940  * RETURNS
941  *  Success: 0. IoStatusBlock and FileInformation are updated.
942  *  Failure: An NTSTATUS error code describing the error.
943  */
944 NTSTATUS WINAPI NtQueryInformationFile( HANDLE hFile, PIO_STATUS_BLOCK io,
945                                         PVOID ptr, LONG len, FILE_INFORMATION_CLASS class )
946 {
947     static const size_t info_sizes[] =
948     {
949         0,
950         sizeof(FILE_DIRECTORY_INFORMATION),            /* FileDirectoryInformation */
951         sizeof(FILE_FULL_DIRECTORY_INFORMATION),       /* FileFullDirectoryInformation */
952         sizeof(FILE_BOTH_DIRECTORY_INFORMATION),       /* FileBothDirectoryInformation */
953         sizeof(FILE_BASIC_INFORMATION),                /* FileBasicInformation */
954         sizeof(FILE_STANDARD_INFORMATION),             /* FileStandardInformation */
955         sizeof(FILE_INTERNAL_INFORMATION),             /* FileInternalInformation */
956         sizeof(FILE_EA_INFORMATION),                   /* FileEaInformation */
957         sizeof(FILE_ACCESS_INFORMATION),               /* FileAccessInformation */
958         sizeof(FILE_NAME_INFORMATION)-sizeof(WCHAR),   /* FileNameInformation */
959         sizeof(FILE_RENAME_INFORMATION)-sizeof(WCHAR), /* FileRenameInformation */
960         0,                                             /* FileLinkInformation */
961         sizeof(FILE_NAMES_INFORMATION)-sizeof(WCHAR),  /* FileNamesInformation */
962         sizeof(FILE_DISPOSITION_INFORMATION),          /* FileDispositionInformation */
963         sizeof(FILE_POSITION_INFORMATION),             /* FilePositionInformation */
964         sizeof(FILE_FULL_EA_INFORMATION),              /* FileFullEaInformation */
965         sizeof(FILE_MODE_INFORMATION),                 /* FileModeInformation */
966         sizeof(FILE_ALIGNMENT_INFORMATION),            /* FileAlignmentInformation */
967         sizeof(FILE_ALL_INFORMATION)-sizeof(WCHAR),    /* FileAllInformation */
968         sizeof(FILE_ALLOCATION_INFORMATION),           /* FileAllocationInformation */
969         sizeof(FILE_END_OF_FILE_INFORMATION),          /* FileEndOfFileInformation */
970         0,                                             /* FileAlternateNameInformation */
971         sizeof(FILE_STREAM_INFORMATION)-sizeof(WCHAR), /* FileStreamInformation */
972         0,                                             /* FilePipeInformation */
973         0,                                             /* FilePipeLocalInformation */
974         0,                                             /* FilePipeRemoteInformation */
975         sizeof(FILE_MAILSLOT_QUERY_INFORMATION),       /* FileMailslotQueryInformation */
976         0,                                             /* FileMailslotSetInformation */
977         0,                                             /* FileCompressionInformation */
978         0,                                             /* FileObjectIdInformation */
979         0,                                             /* FileCompletionInformation */
980         0,                                             /* FileMoveClusterInformation */
981         0,                                             /* FileQuotaInformation */
982         0,                                             /* FileReparsePointInformation */
983         0,                                             /* FileNetworkOpenInformation */
984         0,                                             /* FileAttributeTagInformation */
985         0                                              /* FileTrackingInformation */
986     };
987
988     struct stat st;
989     int fd;
990
991     TRACE("(%p,%p,%p,0x%08lx,0x%08x)\n", hFile, io, ptr, len, class);
992
993     io->Information = 0;
994
995     if (class <= 0 || class >= FileMaximumInformation)
996         return io->u.Status = STATUS_INVALID_INFO_CLASS;
997     if (!info_sizes[class])
998     {
999         FIXME("Unsupported class (%d)\n", class);
1000         return io->u.Status = STATUS_NOT_IMPLEMENTED;
1001     }
1002     if (len < info_sizes[class])
1003         return io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
1004
1005     if ((io->u.Status = wine_server_handle_to_fd( hFile, 0, &fd, NULL )))
1006         return io->u.Status;
1007
1008     switch (class)
1009     {
1010     case FileBasicInformation:
1011         {
1012             FILE_BASIC_INFORMATION *info = ptr;
1013
1014             if (fstat( fd, &st ) == -1)
1015                 io->u.Status = FILE_GetNtStatus();
1016             else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1017                 io->u.Status = STATUS_INVALID_INFO_CLASS;
1018             else
1019             {
1020                 if (S_ISDIR(st.st_mode)) info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1021                 else info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1022                 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1023                     info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1024                 RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime);
1025                 RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime);
1026                 RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime);
1027                 RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime);
1028             }
1029         }
1030         break;
1031     case FileStandardInformation:
1032         {
1033             FILE_STANDARD_INFORMATION *info = ptr;
1034
1035             if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1036             else
1037             {
1038                 if ((info->Directory = S_ISDIR(st.st_mode)))
1039                 {
1040                     info->AllocationSize.QuadPart = 0;
1041                     info->EndOfFile.QuadPart      = 0;
1042                     info->NumberOfLinks           = 1;
1043                     info->DeletePending           = FALSE;
1044                 }
1045                 else
1046                 {
1047                     info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1048                     info->EndOfFile.QuadPart      = st.st_size;
1049                     info->NumberOfLinks           = st.st_nlink;
1050                     info->DeletePending           = FALSE; /* FIXME */
1051                 }
1052             }
1053         }
1054         break;
1055     case FilePositionInformation:
1056         {
1057             FILE_POSITION_INFORMATION *info = ptr;
1058             off_t res = lseek( fd, 0, SEEK_CUR );
1059             if (res == (off_t)-1) io->u.Status = FILE_GetNtStatus();
1060             else info->CurrentByteOffset.QuadPart = res;
1061         }
1062         break;
1063     case FileInternalInformation:
1064         {
1065             FILE_INTERNAL_INFORMATION *info = ptr;
1066
1067             if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1068             else info->IndexNumber.QuadPart = st.st_ino;
1069         }
1070         break;
1071     case FileEaInformation:
1072         {
1073             FILE_EA_INFORMATION *info = ptr;
1074             info->EaSize = 0;
1075         }
1076         break;
1077     case FileEndOfFileInformation:
1078         {
1079             FILE_END_OF_FILE_INFORMATION *info = ptr;
1080
1081             if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1082             else info->EndOfFile.QuadPart = S_ISDIR(st.st_mode) ? 0 : st.st_size;
1083         }
1084         break;
1085     case FileAllInformation:
1086         {
1087             FILE_ALL_INFORMATION *info = ptr;
1088
1089             if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1090             else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1091                 io->u.Status = STATUS_INVALID_INFO_CLASS;
1092             else
1093             {
1094                 if ((info->StandardInformation.Directory = S_ISDIR(st.st_mode)))
1095                 {
1096                     info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1097                     info->StandardInformation.AllocationSize.QuadPart = 0;
1098                     info->StandardInformation.EndOfFile.QuadPart      = 0;
1099                     info->StandardInformation.NumberOfLinks           = 1;
1100                     info->StandardInformation.DeletePending           = FALSE;
1101                 }
1102                 else
1103                 {
1104                     info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1105                     info->StandardInformation.AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1106                     info->StandardInformation.EndOfFile.QuadPart      = st.st_size;
1107                     info->StandardInformation.NumberOfLinks           = st.st_nlink;
1108                     info->StandardInformation.DeletePending           = FALSE; /* FIXME */
1109                 }
1110                 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1111                     info->BasicInformation.FileAttributes |= FILE_ATTRIBUTE_READONLY;
1112                 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.CreationTime);
1113                 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.LastWriteTime);
1114                 RtlSecondsSince1970ToTime( st.st_ctime, &info->BasicInformation.ChangeTime);
1115                 RtlSecondsSince1970ToTime( st.st_atime, &info->BasicInformation.LastAccessTime);
1116                 info->InternalInformation.IndexNumber.QuadPart = st.st_ino;
1117                 info->EaInformation.EaSize = 0;
1118                 info->AccessInformation.AccessFlags = 0;  /* FIXME */
1119                 info->PositionInformation.CurrentByteOffset.QuadPart = lseek( fd, 0, SEEK_CUR );
1120                 info->ModeInformation.Mode = 0;  /* FIXME */
1121                 info->AlignmentInformation.AlignmentRequirement = 1;  /* FIXME */
1122                 info->NameInformation.FileNameLength = 0;
1123                 io->Information = sizeof(*info) - sizeof(WCHAR);
1124             }
1125         }
1126         break;
1127     case FileMailslotQueryInformation:
1128         {
1129             FILE_MAILSLOT_QUERY_INFORMATION *info = ptr;
1130
1131             SERVER_START_REQ( set_mailslot_info )
1132             {
1133                 req->handle = hFile;
1134                 req->flags = 0;
1135                 io->u.Status = wine_server_call( req );
1136                 if( io->u.Status == STATUS_SUCCESS )
1137                 {
1138                     info->MaximumMessageSize = reply->max_msgsize;
1139                     info->MailslotQuota = 0;
1140                     info->NextMessageSize = reply->next_msgsize;
1141                     info->MessagesAvailable = reply->msg_count;
1142                     info->ReadTimeout.QuadPart = reply->read_timeout * -10000;
1143                 }
1144             }
1145             SERVER_END_REQ;
1146         }
1147         break;
1148     default:
1149         FIXME("Unsupported class (%d)\n", class);
1150         io->u.Status = STATUS_NOT_IMPLEMENTED;
1151         break;
1152     }
1153     wine_server_release_fd( hFile, fd );
1154     if (io->u.Status == STATUS_SUCCESS && !io->Information) io->Information = info_sizes[class];
1155     return io->u.Status;
1156 }
1157
1158 /******************************************************************************
1159  *  NtSetInformationFile                [NTDLL.@]
1160  *  ZwSetInformationFile                [NTDLL.@]
1161  *
1162  * Set information about an open file handle.
1163  *
1164  * PARAMS
1165  *  handle  [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1166  *  io      [O] Receives information about the operation on return
1167  *  ptr     [I] Source for file information
1168  *  len     [I] Size of FileInformation
1169  *  class   [I] Type of file information to set
1170  *
1171  * RETURNS
1172  *  Success: 0. io is updated.
1173  *  Failure: An NTSTATUS error code describing the error.
1174  */
1175 NTSTATUS WINAPI NtSetInformationFile(HANDLE handle, PIO_STATUS_BLOCK io,
1176                                      PVOID ptr, ULONG len, FILE_INFORMATION_CLASS class)
1177 {
1178     int fd;
1179
1180     TRACE("(%p,%p,%p,0x%08lx,0x%08x)\n", handle, io, ptr, len, class);
1181
1182     if ((io->u.Status = wine_server_handle_to_fd( handle, 0, &fd, NULL )))
1183         return io->u.Status;
1184
1185     io->u.Status = STATUS_SUCCESS;
1186     switch (class)
1187     {
1188     case FileBasicInformation:
1189         if (len >= sizeof(FILE_BASIC_INFORMATION))
1190         {
1191             struct stat st;
1192             const FILE_BASIC_INFORMATION *info = ptr;
1193
1194             if (info->LastAccessTime.QuadPart || info->LastWriteTime.QuadPart)
1195             {
1196                 ULONGLONG sec, nsec;
1197                 struct timeval tv[2];
1198
1199                 if (!info->LastAccessTime.QuadPart || !info->LastWriteTime.QuadPart)
1200                 {
1201
1202                     tv[0].tv_sec = tv[0].tv_usec = 0;
1203                     tv[1].tv_sec = tv[1].tv_usec = 0;
1204                     if (!fstat( fd, &st ))
1205                     {
1206                         tv[0].tv_sec = st.st_atime;
1207                         tv[1].tv_sec = st.st_mtime;
1208                     }
1209                 }
1210                 if (info->LastAccessTime.QuadPart)
1211                 {
1212                     sec = RtlLargeIntegerDivide( info->LastAccessTime.QuadPart, 10000000, &nsec );
1213                     tv[0].tv_sec = sec - SECS_1601_TO_1970;
1214                     tv[0].tv_usec = (UINT)nsec / 10;
1215                 }
1216                 if (info->LastWriteTime.QuadPart)
1217                 {
1218                     sec = RtlLargeIntegerDivide( info->LastWriteTime.QuadPart, 10000000, &nsec );
1219                     tv[1].tv_sec = sec - SECS_1601_TO_1970;
1220                     tv[1].tv_usec = (UINT)nsec / 10;
1221                 }
1222                 if (futimes( fd, tv ) == -1) io->u.Status = FILE_GetNtStatus();
1223             }
1224
1225             if (io->u.Status == STATUS_SUCCESS && info->FileAttributes)
1226             {
1227                 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1228                 else
1229                 {
1230                     if (info->FileAttributes & FILE_ATTRIBUTE_READONLY)
1231                     {
1232                         if (S_ISDIR( st.st_mode))
1233                             WARN("FILE_ATTRIBUTE_READONLY ignored for directory.\n");
1234                         else
1235                             st.st_mode &= ~0222; /* clear write permission bits */
1236                     }
1237                     else
1238                     {
1239                         /* add write permission only where we already have read permission */
1240                         st.st_mode |= (0600 | ((st.st_mode & 044) >> 1)) & (~FILE_umask);
1241                     }
1242                     if (fchmod( fd, st.st_mode ) == -1) io->u.Status = FILE_GetNtStatus();
1243                 }
1244             }
1245         }
1246         else io->u.Status = STATUS_INVALID_PARAMETER_3;
1247         break;
1248
1249     case FilePositionInformation:
1250         if (len >= sizeof(FILE_POSITION_INFORMATION))
1251         {
1252             const FILE_POSITION_INFORMATION *info = ptr;
1253
1254             if (lseek( fd, info->CurrentByteOffset.QuadPart, SEEK_SET ) == (off_t)-1)
1255                 io->u.Status = FILE_GetNtStatus();
1256         }
1257         else io->u.Status = STATUS_INVALID_PARAMETER_3;
1258         break;
1259
1260     case FileEndOfFileInformation:
1261         if (len >= sizeof(FILE_END_OF_FILE_INFORMATION))
1262         {
1263             struct stat st;
1264             const FILE_END_OF_FILE_INFORMATION *info = ptr;
1265
1266             /* first try normal truncate */
1267             if (ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1268
1269             /* now check for the need to extend the file */
1270             if (fstat( fd, &st ) != -1 && (off_t)info->EndOfFile.QuadPart > st.st_size)
1271             {
1272                 static const char zero;
1273
1274                 /* extend the file one byte beyond the requested size and then truncate it */
1275                 /* this should work around ftruncate implementations that can't extend files */
1276                 if (pwrite( fd, &zero, 1, (off_t)info->EndOfFile.QuadPart ) != -1 &&
1277                     ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1278             }
1279             io->u.Status = FILE_GetNtStatus();
1280         }
1281         else io->u.Status = STATUS_INVALID_PARAMETER_3;
1282         break;
1283
1284     case FileMailslotSetInformation:
1285         {
1286             FILE_MAILSLOT_SET_INFORMATION *info = ptr;
1287
1288             SERVER_START_REQ( set_mailslot_info )
1289             {
1290                 req->handle = handle;
1291                 req->flags = MAILSLOT_SET_READ_TIMEOUT;
1292                 req->read_timeout = info->ReadTimeout.QuadPart / -10000;
1293                 io->u.Status = wine_server_call( req );
1294             }
1295             SERVER_END_REQ;
1296         }
1297         break;
1298
1299     default:
1300         FIXME("Unsupported class (%d)\n", class);
1301         io->u.Status = STATUS_NOT_IMPLEMENTED;
1302         break;
1303     }
1304     wine_server_release_fd( handle, fd );
1305     io->Information = 0;
1306     return io->u.Status;
1307 }
1308
1309
1310 /******************************************************************************
1311  *              NtQueryFullAttributesFile   (NTDLL.@)
1312  */
1313 NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr,
1314                                            FILE_NETWORK_OPEN_INFORMATION *info )
1315 {
1316     ANSI_STRING unix_name;
1317     NTSTATUS status;
1318
1319     if (!(status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, FILE_OPEN,
1320                                               !(attr->Attributes & OBJ_CASE_INSENSITIVE) )))
1321     {
1322         struct stat st;
1323
1324         if (stat( unix_name.Buffer, &st ) == -1)
1325             status = FILE_GetNtStatus();
1326         else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1327             status = STATUS_INVALID_INFO_CLASS;
1328         else
1329         {
1330             if (S_ISDIR(st.st_mode))
1331             {
1332                 info->FileAttributes          = FILE_ATTRIBUTE_DIRECTORY;
1333                 info->AllocationSize.QuadPart = 0;
1334                 info->EndOfFile.QuadPart      = 0;
1335             }
1336             else
1337             {
1338                 info->FileAttributes          = FILE_ATTRIBUTE_ARCHIVE;
1339                 info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1340                 info->EndOfFile.QuadPart      = st.st_size;
1341             }
1342             if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1343                 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1344             RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime );
1345             RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime );
1346             RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime );
1347             RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime );
1348             if (DIR_is_hidden_file( attr->ObjectName ))
1349                 info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
1350         }
1351         RtlFreeAnsiString( &unix_name );
1352     }
1353     else WARN("%s not found (%lx)\n", debugstr_us(attr->ObjectName), status );
1354     return status;
1355 }
1356
1357
1358 /******************************************************************************
1359  *              NtQueryAttributesFile   (NTDLL.@)
1360  *              ZwQueryAttributesFile   (NTDLL.@)
1361  */
1362 NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC_INFORMATION *info )
1363 {
1364     FILE_NETWORK_OPEN_INFORMATION full_info;
1365     NTSTATUS status;
1366
1367     if (!(status = NtQueryFullAttributesFile( attr, &full_info )))
1368     {
1369         info->CreationTime.QuadPart   = full_info.CreationTime.QuadPart;
1370         info->LastAccessTime.QuadPart = full_info.LastAccessTime.QuadPart;
1371         info->LastWriteTime.QuadPart  = full_info.LastWriteTime.QuadPart;
1372         info->ChangeTime.QuadPart     = full_info.ChangeTime.QuadPart;
1373         info->FileAttributes          = full_info.FileAttributes;
1374     }
1375     return status;
1376 }
1377
1378
1379 /******************************************************************************
1380  *  NtQueryVolumeInformationFile                [NTDLL.@]
1381  *  ZwQueryVolumeInformationFile                [NTDLL.@]
1382  *
1383  * Get volume information for an open file handle.
1384  *
1385  * PARAMS
1386  *  handle      [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1387  *  io          [O] Receives information about the operation on return
1388  *  buffer      [O] Destination for volume information
1389  *  length      [I] Size of FsInformation
1390  *  info_class  [I] Type of volume information to set
1391  *
1392  * RETURNS
1393  *  Success: 0. io and buffer are updated.
1394  *  Failure: An NTSTATUS error code describing the error.
1395  */
1396 NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io,
1397                                               PVOID buffer, ULONG length,
1398                                               FS_INFORMATION_CLASS info_class )
1399 {
1400     int fd;
1401     struct stat st;
1402
1403     if ((io->u.Status = wine_server_handle_to_fd( handle, 0, &fd, NULL )) != STATUS_SUCCESS)
1404         return io->u.Status;
1405
1406     io->u.Status = STATUS_NOT_IMPLEMENTED;
1407     io->Information = 0;
1408
1409     switch( info_class )
1410     {
1411     case FileFsVolumeInformation:
1412         FIXME( "%p: volume info not supported\n", handle );
1413         break;
1414     case FileFsLabelInformation:
1415         FIXME( "%p: label info not supported\n", handle );
1416         break;
1417     case FileFsSizeInformation:
1418         if (length < sizeof(FILE_FS_SIZE_INFORMATION))
1419             io->u.Status = STATUS_BUFFER_TOO_SMALL;
1420         else
1421         {
1422             FILE_FS_SIZE_INFORMATION *info = buffer;
1423
1424             if (fstat( fd, &st ) < 0)
1425             {
1426                 io->u.Status = FILE_GetNtStatus();
1427                 break;
1428             }
1429             if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1430             {
1431                 io->u.Status = STATUS_INVALID_DEVICE_REQUEST;
1432             }
1433             else
1434             {
1435                 /* Linux's fstatvfs is buggy */
1436 #if !defined(linux) || !defined(HAVE_FSTATFS)
1437                 struct statvfs stfs;
1438
1439                 if (fstatvfs( fd, &stfs ) < 0)
1440                 {
1441                     io->u.Status = FILE_GetNtStatus();
1442                     break;
1443                 }
1444                 info->BytesPerSector = stfs.f_frsize;
1445 #else
1446                 struct statfs stfs;
1447                 if (fstatfs( fd, &stfs ) < 0)
1448                 {
1449                     io->u.Status = FILE_GetNtStatus();
1450                     break;
1451                 }
1452                 info->BytesPerSector = stfs.f_bsize;
1453 #endif
1454                 info->TotalAllocationUnits.QuadPart = stfs.f_blocks;
1455                 info->AvailableAllocationUnits.QuadPart = stfs.f_bavail;
1456                 info->SectorsPerAllocationUnit = 1;
1457                 io->Information = sizeof(*info);
1458                 io->u.Status = STATUS_SUCCESS;
1459             }
1460         }
1461         break;
1462     case FileFsDeviceInformation:
1463         if (length < sizeof(FILE_FS_DEVICE_INFORMATION))
1464             io->u.Status = STATUS_BUFFER_TOO_SMALL;
1465         else
1466         {
1467             FILE_FS_DEVICE_INFORMATION *info = buffer;
1468
1469             info->Characteristics = 0;
1470             if (fstat( fd, &st ) < 0)
1471             {
1472                 io->u.Status = FILE_GetNtStatus();
1473                 break;
1474             }
1475             if (S_ISCHR( st.st_mode ))
1476             {
1477                 info->DeviceType = FILE_DEVICE_UNKNOWN;
1478 #ifdef linux
1479                 switch(major(st.st_rdev))
1480                 {
1481                 case MEM_MAJOR:
1482                     info->DeviceType = FILE_DEVICE_NULL;
1483                     break;
1484                 case TTY_MAJOR:
1485                     info->DeviceType = FILE_DEVICE_SERIAL_PORT;
1486                     break;
1487                 case LP_MAJOR:
1488                     info->DeviceType = FILE_DEVICE_PARALLEL_PORT;
1489                     break;
1490                 }
1491 #endif
1492             }
1493             else if (S_ISBLK( st.st_mode ))
1494             {
1495                 info->DeviceType = FILE_DEVICE_DISK;
1496             }
1497             else if (S_ISFIFO( st.st_mode ) || S_ISSOCK( st.st_mode ))
1498             {
1499                 info->DeviceType = FILE_DEVICE_NAMED_PIPE;
1500             }
1501             else  /* regular file or directory */
1502             {
1503 #if defined(linux) && defined(HAVE_FSTATFS)
1504                 struct statfs stfs;
1505
1506                 /* check for floppy disk */
1507                 if (major(st.st_dev) == FLOPPY_MAJOR)
1508                     info->Characteristics |= FILE_REMOVABLE_MEDIA;
1509
1510                 if (fstatfs( fd, &stfs ) < 0) stfs.f_type = 0;
1511                 switch (stfs.f_type)
1512                 {
1513                 case 0x9660:      /* iso9660 */
1514                 case 0x15013346:  /* udf */
1515                     info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1516                     info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
1517                     break;
1518                 case 0x6969:  /* nfs */
1519                 case 0x517B:  /* smbfs */
1520                 case 0x564c:  /* ncpfs */
1521                     info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1522                     info->Characteristics |= FILE_REMOTE_DEVICE;
1523                     break;
1524                 case 0x01021994:  /* tmpfs */
1525                 case 0x28cd3d45:  /* cramfs */
1526                 case 0x1373:      /* devfs */
1527                 case 0x9fa0:      /* procfs */
1528                     info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1529                     break;
1530                 default:
1531                     info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1532                     break;
1533                 }
1534 #elif defined(__FreeBSD__)
1535                 struct statfs stfs;
1536
1537                 /* The proper way to do this in FreeBSD seems to be with the
1538                  * name rather than the type, since their linux-compatible
1539                  * fstatfs call converts the name to one of the Linux types.
1540                  */
1541                 if (fstatfs( fd, &stfs ) < 0)
1542                     info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1543                 else if (!strncmp("cd9660", stfs.f_fstypename,
1544                  sizeof(stfs.f_fstypename)))
1545                 {
1546                     info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1547                     /* Don't assume read-only, let the mount options set it
1548                      * below
1549                      */
1550                     info->Characteristics |= FILE_REMOVABLE_MEDIA;
1551                 }
1552                 else if (!strncmp("nfs", stfs.f_fstypename,
1553                  sizeof(stfs.f_fstypename)))
1554                 {
1555                     info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1556                     info->Characteristics |= FILE_REMOTE_DEVICE;
1557                 }
1558                 else if (!strncmp("nwfs", stfs.f_fstypename,
1559                  sizeof(stfs.f_fstypename)))
1560                 {
1561                     info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1562                     info->Characteristics |= FILE_REMOTE_DEVICE;
1563                 }
1564                 else if (!strncmp("procfs", stfs.f_fstypename,
1565                  sizeof(stfs.f_fstypename)))
1566                     info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1567                 else
1568                     info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1569                 if (stfs.f_flags & MNT_RDONLY)
1570                     info->Characteristics |= FILE_READ_ONLY_DEVICE;
1571                 if (!(stfs.f_flags & MNT_LOCAL))
1572                 {
1573                     info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1574                     info->Characteristics |= FILE_REMOTE_DEVICE;
1575                 }
1576 #elif defined (__APPLE__)
1577                 struct statfs stfs;
1578                 
1579                 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1580                 
1581                 if (fstatfs( fd, &stfs ) < 0) break;
1582
1583                 /* stfs.f_type is reserved (always set to 0) so use IOKit */
1584                 kern_return_t kernResult = KERN_FAILURE; 
1585                 mach_port_t masterPort;
1586                 
1587                 char bsdName[6]; /* disk#\0 */
1588                 const char *name = stfs.f_mntfromname + strlen(_PATH_DEV);
1589                 memcpy( bsdName, name, min(strlen(name)+1,sizeof(bsdName)) );
1590                 bsdName[sizeof(bsdName)-1] = 0;
1591
1592                 kernResult = IOMasterPort(MACH_PORT_NULL, &masterPort);
1593
1594                 if (kernResult == KERN_SUCCESS)
1595                 {
1596                     CFMutableDictionaryRef matching = IOBSDNameMatching(masterPort, 0, bsdName);
1597                     
1598                     if (matching)
1599                     {
1600                         CFMutableDictionaryRef properties;
1601                         io_service_t devService = IOServiceGetMatchingService(masterPort, matching);
1602                         
1603                         if (IORegistryEntryCreateCFProperties(devService, 
1604                                                                 &properties,
1605                                                                 kCFAllocatorDefault, 0) != KERN_SUCCESS)
1606                                                                     break;
1607                         if ( CFEqual(
1608                                         CFDictionaryGetValue(properties, CFSTR("Removable")),
1609                                         kCFBooleanTrue)
1610                             ) info->Characteristics |= FILE_REMOVABLE_MEDIA;
1611                             
1612                         if ( CFEqual(
1613                                         CFDictionaryGetValue(properties, CFSTR("Writable")),
1614                                         kCFBooleanFalse)
1615                             ) info->Characteristics |= FILE_READ_ONLY_DEVICE;
1616
1617                         /*
1618                             NB : mounted disk image (.img/.dmg) don't provide specific type
1619                         */
1620                         CFStringRef type;
1621                         if ( (type = CFDictionaryGetValue(properties, CFSTR("Type"))) )
1622                         {
1623                             if ( CFStringCompare(type, CFSTR("CD-ROM"), 0) == kCFCompareEqualTo
1624                                 || CFStringCompare(type, CFSTR("DVD-ROM"), 0) == kCFCompareEqualTo
1625                             )
1626                             {
1627                                 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1628                             }
1629                         } 
1630                         
1631                         if (properties)
1632                             CFRelease(properties);
1633                     }
1634                 }
1635 #elif defined(sun)
1636                 /* Use dkio to work out device types */
1637                 {
1638 # include <sys/dkio.h>
1639 # include <sys/vtoc.h>
1640                     struct dk_cinfo dkinf;
1641                     int retval = ioctl(fd, DKIOCINFO, &dkinf);
1642                     if(retval==-1){
1643                         WARN("Unable to get disk device type information - assuming a disk like device\n");
1644                         info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1645                     }
1646                     switch (dkinf.dki_ctype)
1647                     {
1648                     case DKC_CDROM:
1649                         info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1650                         info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
1651                         break;
1652                     case DKC_NCRFLOPPY:
1653                     case DKC_SMSFLOPPY:
1654                     case DKC_INTEL82072:
1655                     case DKC_INTEL82077:
1656                         info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1657                         info->Characteristics |= FILE_REMOVABLE_MEDIA;
1658                         break;
1659                     case DKC_MD:
1660                         info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1661                         break;
1662                     default:
1663                         info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1664                     }
1665                 }
1666 #else
1667                 static int warned;
1668                 if (!warned++) FIXME( "device info not properly supported on this platform\n" );
1669                 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1670 #endif
1671                 info->Characteristics |= FILE_DEVICE_IS_MOUNTED;
1672             }
1673             io->Information = sizeof(*info);
1674             io->u.Status = STATUS_SUCCESS;
1675         }
1676         break;
1677     case FileFsAttributeInformation:
1678         FIXME( "%p: attribute info not supported\n", handle );
1679         break;
1680     case FileFsControlInformation:
1681         FIXME( "%p: control info not supported\n", handle );
1682         break;
1683     case FileFsFullSizeInformation:
1684         FIXME( "%p: full size info not supported\n", handle );
1685         break;
1686     case FileFsObjectIdInformation:
1687         FIXME( "%p: object id info not supported\n", handle );
1688         break;
1689     case FileFsMaximumInformation:
1690         FIXME( "%p: maximum info not supported\n", handle );
1691         break;
1692     default:
1693         io->u.Status = STATUS_INVALID_PARAMETER;
1694         break;
1695     }
1696     wine_server_release_fd( handle, fd );
1697     return io->u.Status;
1698 }
1699
1700
1701 /******************************************************************
1702  *              NtFlushBuffersFile  (NTDLL.@)
1703  *
1704  * Flush any buffered data on an open file handle.
1705  *
1706  * PARAMS
1707  *  FileHandle         [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1708  *  IoStatusBlock      [O] Receives information about the operation on return
1709  *
1710  * RETURNS
1711  *  Success: 0. IoStatusBlock is updated.
1712  *  Failure: An NTSTATUS error code describing the error.
1713  */
1714 NTSTATUS WINAPI NtFlushBuffersFile( HANDLE hFile, IO_STATUS_BLOCK* IoStatusBlock )
1715 {
1716     NTSTATUS ret;
1717     HANDLE hEvent = NULL;
1718
1719     SERVER_START_REQ( flush_file )
1720     {
1721         req->handle = hFile;
1722         ret = wine_server_call( req );
1723         hEvent = reply->event;
1724     }
1725     SERVER_END_REQ;
1726     if (!ret && hEvent)
1727     {
1728         ret = NtWaitForSingleObject( hEvent, FALSE, NULL );
1729         NtClose( hEvent );
1730     }
1731     return ret;
1732 }
1733
1734 /******************************************************************
1735  *              NtLockFile       (NTDLL.@)
1736  *
1737  *
1738  */
1739 NTSTATUS WINAPI NtLockFile( HANDLE hFile, HANDLE lock_granted_event,
1740                             PIO_APC_ROUTINE apc, void* apc_user,
1741                             PIO_STATUS_BLOCK io_status, PLARGE_INTEGER offset,
1742                             PLARGE_INTEGER count, ULONG* key, BOOLEAN dont_wait,
1743                             BOOLEAN exclusive )
1744 {
1745     NTSTATUS    ret;
1746     HANDLE      handle;
1747     BOOLEAN     async;
1748
1749     if (apc || io_status || key)
1750     {
1751         FIXME("Unimplemented yet parameter\n");
1752         return STATUS_NOT_IMPLEMENTED;
1753     }
1754
1755     for (;;)
1756     {
1757         SERVER_START_REQ( lock_file )
1758         {
1759             req->handle      = hFile;
1760             req->offset_low  = offset->u.LowPart;
1761             req->offset_high = offset->u.HighPart;
1762             req->count_low   = count->u.LowPart;
1763             req->count_high  = count->u.HighPart;
1764             req->shared      = !exclusive;
1765             req->wait        = !dont_wait;
1766             ret = wine_server_call( req );
1767             handle = reply->handle;
1768             async  = reply->overlapped;
1769         }
1770         SERVER_END_REQ;
1771         if (ret != STATUS_PENDING)
1772         {
1773             if (!ret && lock_granted_event) NtSetEvent(lock_granted_event, NULL);
1774             return ret;
1775         }
1776
1777         if (async)
1778         {
1779             FIXME( "Async I/O lock wait not implemented, might deadlock\n" );
1780             if (handle) NtClose( handle );
1781             return STATUS_PENDING;
1782         }
1783         if (handle)
1784         {
1785             NtWaitForSingleObject( handle, FALSE, NULL );
1786             NtClose( handle );
1787         }
1788         else
1789         {
1790             LARGE_INTEGER time;
1791     
1792             /* Unix lock conflict, sleep a bit and retry */
1793             time.QuadPart = 100 * (ULONGLONG)10000;
1794             time.QuadPart = -time.QuadPart;
1795             NtDelayExecution( FALSE, &time );
1796         }
1797     }
1798 }
1799
1800
1801 /******************************************************************
1802  *              NtUnlockFile    (NTDLL.@)
1803  *
1804  *
1805  */
1806 NTSTATUS WINAPI NtUnlockFile( HANDLE hFile, PIO_STATUS_BLOCK io_status,
1807                               PLARGE_INTEGER offset, PLARGE_INTEGER count,
1808                               PULONG key )
1809 {
1810     NTSTATUS status;
1811
1812     TRACE( "%p %lx%08lx %lx%08lx\n",
1813            hFile, offset->u.HighPart, offset->u.LowPart, count->u.HighPart, count->u.LowPart );
1814
1815     if (io_status || key)
1816     {
1817         FIXME("Unimplemented yet parameter\n");
1818         return STATUS_NOT_IMPLEMENTED;
1819     }
1820
1821     SERVER_START_REQ( unlock_file )
1822     {
1823         req->handle      = hFile;
1824         req->offset_low  = offset->u.LowPart;
1825         req->offset_high = offset->u.HighPart;
1826         req->count_low   = count->u.LowPart;
1827         req->count_high  = count->u.HighPart;
1828         status = wine_server_call( req );
1829     }
1830     SERVER_END_REQ;
1831     return status;
1832 }
1833
1834 /******************************************************************
1835  *              NtCreateNamedPipeFile    (NTDLL.@)
1836  *
1837  *
1838  */
1839 NTSTATUS WINAPI NtCreateNamedPipeFile( PHANDLE handle, ULONG access,
1840                                        POBJECT_ATTRIBUTES oa, PIO_STATUS_BLOCK iosb,
1841                                        ULONG sharing, ULONG dispo, ULONG options,
1842                                        ULONG pipe_type, ULONG read_mode, 
1843                                        ULONG completion_mode, ULONG max_inst,
1844                                        ULONG inbound_quota, ULONG outbound_quota,
1845                                        PLARGE_INTEGER timeout)
1846 {
1847     NTSTATUS    status;
1848     static const WCHAR leadin[] = {'\\','?','?','\\','P','I','P','E','\\'};
1849
1850     TRACE("(%p %lx %s %p %lx %ld %lx %ld %ld %ld %ld %ld %ld %p)\n",
1851           handle, access, debugstr_w(oa->ObjectName->Buffer), iosb, sharing, dispo,
1852           options, pipe_type, read_mode, completion_mode, max_inst, inbound_quota,
1853           outbound_quota, timeout);
1854
1855     if (oa->ObjectName->Length < sizeof(leadin) ||
1856         strncmpiW( oa->ObjectName->Buffer, 
1857                    leadin, sizeof(leadin)/sizeof(leadin[0]) ))
1858         return STATUS_OBJECT_NAME_INVALID;
1859     /* assume we only get relative timeout, and storable in a DWORD as ms */
1860     if (timeout->QuadPart > 0 || (timeout->QuadPart / -10000) >> 32)
1861         FIXME("Wrong time %s\n", wine_dbgstr_longlong(timeout->QuadPart));
1862
1863     SERVER_START_REQ( create_named_pipe )
1864     {
1865         req->options = options; /* FIXME not used in server yet !!!! */
1866         req->flags = 
1867             (pipe_type) ? NAMED_PIPE_MESSAGE_STREAM_WRITE : 0 |
1868             (read_mode) ? NAMED_PIPE_MESSAGE_STREAM_READ  : 0 |
1869             (completion_mode) ? NAMED_PIPE_NONBLOCKING_MODE  : 0;
1870         req->maxinstances = max_inst;
1871         req->outsize = outbound_quota;
1872         req->insize  = inbound_quota;
1873         req->timeout = timeout->QuadPart / -10000;
1874         req->inherit = (oa->Attributes & OBJ_INHERIT) != 0;
1875         wine_server_add_data( req, oa->ObjectName->Buffer + 4, 
1876                               oa->ObjectName->Length - 4 * sizeof(WCHAR) );
1877         status = wine_server_call( req );
1878         if (!status) *handle = reply->handle;
1879     }
1880     SERVER_END_REQ;
1881     return status;
1882 }
1883
1884 /******************************************************************
1885  *              NtDeleteFile    (NTDLL.@)
1886  *
1887  *
1888  */
1889 NTSTATUS WINAPI NtDeleteFile( POBJECT_ATTRIBUTES ObjectAttributes )
1890 {
1891     NTSTATUS status;
1892     HANDLE hFile;
1893     IO_STATUS_BLOCK io;
1894
1895     TRACE("%p\n", ObjectAttributes);
1896     status = NtCreateFile( &hFile, GENERIC_READ | GENERIC_WRITE, ObjectAttributes, 
1897                            &io, NULL, 0,
1898                            FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, 
1899                            FILE_OPEN, FILE_DELETE_ON_CLOSE, NULL, 0 );
1900     if (status == STATUS_SUCCESS) status = NtClose(hFile);
1901     return status;
1902 }
1903
1904 /******************************************************************
1905  *              NtCancelIoFile    (NTDLL.@)
1906  *
1907  *
1908  */
1909 NTSTATUS WINAPI NtCancelIoFile( HANDLE hFile, PIO_STATUS_BLOCK io_status )
1910 {
1911     LARGE_INTEGER timeout;
1912
1913     TRACE("%p %p\n", hFile, io_status );
1914
1915     SERVER_START_REQ( cancel_async )
1916     {
1917         req->handle = hFile;
1918         wine_server_call( req );
1919     }
1920     SERVER_END_REQ;
1921     /* Let some APC be run, so that we can run the remaining APCs on hFile
1922      * either the cancelation of the pending one, but also the execution
1923      * of the queued APC, but not yet run. This is needed to ensure proper
1924      * clean-up of allocated data.
1925      */
1926     timeout.u.LowPart = timeout.u.HighPart = 0;
1927     return io_status->u.Status = NtDelayExecution( TRUE, &timeout );
1928 }
1929
1930 /******************************************************************************
1931  *  NtCreateMailslotFile        [NTDLL.@]
1932  *  ZwCreateMailslotFile        [NTDLL.@]
1933  *
1934  * PARAMS
1935  *  pHandle          [O] pointer to receive the handle created
1936  *  DesiredAccess    [I] access mode (read, write, etc)
1937  *  ObjectAttributes [I] fully qualified NT path of the mailslot
1938  *  IoStatusBlock    [O] receives completion status and other info
1939  *  CreateOptions    [I]
1940  *  MailslotQuota    [I]
1941  *  MaxMessageSize   [I]
1942  *  TimeOut          [I]
1943  *
1944  * RETURNS
1945  *  An NT status code
1946  */
1947 NTSTATUS WINAPI NtCreateMailslotFile(PHANDLE pHandle, ULONG DesiredAccess,
1948      POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK IoStatusBlock,
1949      ULONG CreateOptions, ULONG MailslotQuota, ULONG MaxMessageSize,
1950      PLARGE_INTEGER TimeOut)
1951 {
1952     static const WCHAR leadin[] = {
1953         '\\','?','?','\\','M','A','I','L','S','L','O','T','\\'};
1954     NTSTATUS ret;
1955
1956     TRACE("%p %08lx %p %p %08lx %08lx %08lx %p\n",
1957               pHandle, DesiredAccess, attr, IoStatusBlock,
1958               CreateOptions, MailslotQuota, MaxMessageSize, TimeOut);
1959
1960     if (attr->ObjectName->Length < sizeof(leadin) ||
1961         strncmpiW( attr->ObjectName->Buffer, 
1962                    leadin, sizeof(leadin)/sizeof(leadin[0]) ))
1963     {
1964         return STATUS_OBJECT_NAME_INVALID;
1965     }
1966
1967     SERVER_START_REQ( create_mailslot )
1968     {
1969         req->max_msgsize = MaxMessageSize;
1970         req->read_timeout = TimeOut->QuadPart / -10000;
1971         req->inherit = (attr->Attributes & OBJ_INHERIT) != 0;
1972         wine_server_add_data( req, attr->ObjectName->Buffer + 4,
1973                               attr->ObjectName->Length - 4*sizeof(WCHAR) );
1974         ret = wine_server_call( req );
1975         if( ret == STATUS_SUCCESS )
1976             *pHandle = reply->handle;
1977     }
1978     SERVER_END_REQ;
1979  
1980     return ret;
1981 }