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Release 0.9.61.
[wine/gsoc-2012-control.git] / dlls / ntdll / file.c
blobce9491799c344e3e196d76d33c0026c916ac8a7a
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 /******************************************************************************
720 * NtReadFileScatter [NTDLL.@]
721 * ZwReadFileScatter [NTDLL.@]
722 */
723 NTSTATUS WINAPI NtReadFileScatter( HANDLE file, HANDLE event, PIO_APC_ROUTINE apc, void *apc_user,
724 PIO_STATUS_BLOCK io_status, FILE_SEGMENT_ELEMENT *segments,
725 ULONG length, PLARGE_INTEGER offset, PULONG key )
726 {
727 size_t page_size = getpagesize();
728 int result, unix_handle, needs_close;
729 unsigned int options;
730 NTSTATUS status;
731 ULONG pos = 0, total = 0;
732 enum server_fd_type type;
733 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
734
735 TRACE( "(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
736 file, event, apc, apc_user, io_status, segments, length, offset, key);
737
738 if (length % page_size) return STATUS_INVALID_PARAMETER;
739 if (!io_status) return STATUS_ACCESS_VIOLATION;
740
741 status = server_get_unix_fd( file, FILE_READ_DATA, &unix_handle,
742 &needs_close, &type, &options );
743 if (status) return status;
744
745 if ((type != FD_TYPE_FILE) ||
746 (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)) ||
747 !(options & FILE_NO_INTERMEDIATE_BUFFERING))
748 {
749 status = STATUS_INVALID_PARAMETER;
750 goto error;
751 }
752
753 while (length)
754 {
755 if (offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */)
756 result = pread( unix_handle, (char *)segments->Buffer + pos,
757 page_size - pos, offset->QuadPart + total );
758 else
759 result = read( unix_handle, (char *)segments->Buffer + pos, page_size - pos );
760
761 if (result == -1)
762 {
763 if (errno == EINTR) continue;
764 status = FILE_GetNtStatus();
765 break;
766 }
767 if (!result)
768 {
769 status = STATUS_END_OF_FILE;
770 break;
771 }
772 total += result;
773 length -= result;
774 if ((pos += result) == page_size)
775 {
776 pos = 0;
777 segments++;
778 }
779 }
780
781 if (cvalue) NTDLL_AddCompletion( file, cvalue, status, total );
782
783 error:
784 if (needs_close) close( unix_handle );
785 if (status == STATUS_SUCCESS)
786 {
787 io_status->u.Status = status;
788 io_status->Information = total;
789 TRACE("= SUCCESS (%u)\n", total);
790 if (event) NtSetEvent( event, NULL );
791 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
792 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
793 }
794 else
795 {
796 TRACE("= 0x%08x\n", status);
797 if (status != STATUS_PENDING && event) NtResetEvent( event, NULL );
798 }
799 return status;
800 }
801
802
803 /***********************************************************************
804 * FILE_AsyncWriteService (INTERNAL)
805 */
806 static NTSTATUS FILE_AsyncWriteService(void *user, IO_STATUS_BLOCK *iosb, NTSTATUS status, ULONG_PTR *total)
807 {
808 async_fileio_write *fileio = user;
809 int result, fd, needs_close;
810 enum server_fd_type type;
811
812 switch (status)
813 {
814 case STATUS_ALERTED:
815 /* write some data (non-blocking) */
816 if ((status = server_get_unix_fd( fileio->io.handle, FILE_WRITE_DATA, &fd,
817 &needs_close, &type, NULL )))
818 break;
819
820 if (!fileio->count && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET))
821 result = send( fd, fileio->buffer, 0, 0 );
822 else
823 result = write( fd, &fileio->buffer[fileio->already], fileio->count - fileio->already );
824
825 if (needs_close) close( fd );
826
827 if (result < 0)
828 {
829 if (errno == EAGAIN || errno == EINTR) status = STATUS_PENDING;
830 else status = FILE_GetNtStatus();
831 }
832 else
833 {
834 fileio->already += result;
835 status = (fileio->already < fileio->count) ? STATUS_PENDING : STATUS_SUCCESS;
836 }
837 break;
838
839 case STATUS_TIMEOUT:
840 case STATUS_IO_TIMEOUT:
841 if (fileio->already) status = STATUS_SUCCESS;
842 break;
843 }
844 if (status != STATUS_PENDING)
845 {
846 iosb->u.Status = status;
847 iosb->Information = *total = fileio->already;
848 }
849 return status;
850 }
851
852 /******************************************************************************
853 * NtWriteFile [NTDLL.@]
854 * ZwWriteFile [NTDLL.@]
855 *
856 * Write to an open file handle.
857 *
858 * PARAMS
859 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
860 * Event [I] Event to signal upon completion (or NULL)
861 * ApcRoutine [I] Callback to call upon completion (or NULL)
862 * ApcContext [I] Context for ApcRoutine (or NULL)
863 * IoStatusBlock [O] Receives information about the operation on return
864 * Buffer [I] Source for the data to write
865 * Length [I] Size of Buffer
866 * ByteOffset [O] Destination for the new file pointer position (or NULL)
867 * Key [O] Function unknown (may be NULL)
868 *
869 * RETURNS
870 * Success: 0. IoStatusBlock is updated, and the Information member contains
871 * The number of bytes written.
872 * Failure: An NTSTATUS error code describing the error.
873 */
874 NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
875 PIO_APC_ROUTINE apc, void* apc_user,
876 PIO_STATUS_BLOCK io_status,
877 const void* buffer, ULONG length,
878 PLARGE_INTEGER offset, PULONG key)
879 {
880 int result, unix_handle, needs_close, timeout_init_done = 0;
881 unsigned int options;
882 struct io_timeouts timeouts;
883 NTSTATUS status;
884 ULONG total = 0;
885 enum server_fd_type type;
886 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
887
888 TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p)!\n",
889 hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
890
891 if (!io_status) return STATUS_ACCESS_VIOLATION;
892
893 status = server_get_unix_fd( hFile, FILE_WRITE_DATA, &unix_handle,
894 &needs_close, &type, &options );
895 if (status) return status;
896
897 if (type == FD_TYPE_FILE && offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */ )
898 {
899 /* async I/O doesn't make sense on regular files */
900 while ((result = pwrite( unix_handle, buffer, length, offset->QuadPart )) == -1)
901 {
902 if (errno != EINTR)
903 {
904 if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER;
905 else status = FILE_GetNtStatus();
906 goto done;
907 }
908 }
909
910 if (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT))
911 /* update file pointer position */
912 lseek( unix_handle, offset->QuadPart + result, SEEK_SET );
913
914 total = result;
915 status = STATUS_SUCCESS;
916 goto done;
917 }
918
919 for (;;)
920 {
921 /* zero-length writes on sockets may not work with plain write(2) */
922 if (!length && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET))
923 result = send( unix_handle, buffer, 0, 0 );
924 else
925 result = write( unix_handle, (const char *)buffer + total, length - total );
926
927 if (result >= 0)
928 {
929 total += result;
930 if (total == length)
931 {
932 status = STATUS_SUCCESS;
933 goto done;
934 }
935 }
936 else
937 {
938 if (errno == EINTR) continue;
939 if (errno != EAGAIN)
940 {
941 if (errno == EFAULT)
942 {
943 status = STATUS_INVALID_USER_BUFFER;
944 goto err;
945 }
946 status = FILE_GetNtStatus();
947 goto done;
948 }
949 }
950
951 if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)))
952 {
953 async_fileio_write *fileio;
954
955 if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*fileio))))
956 {
957 status = STATUS_NO_MEMORY;
958 goto err;
959 }
960 fileio->io.handle = hFile;
961 fileio->io.apc = apc;
962 fileio->io.apc_arg = apc_user;
963 fileio->already = total;
964 fileio->count = length;
965 fileio->buffer = buffer;
966
967 SERVER_START_REQ( register_async )
968 {
969 req->handle = hFile;
970 req->type = ASYNC_TYPE_WRITE;
971 req->count = length;
972 req->async.callback = FILE_AsyncWriteService;
973 req->async.iosb = io_status;
974 req->async.arg = fileio;
975 req->async.apc = fileio_apc;
976 req->async.event = hEvent;
977 req->async.cvalue = cvalue;
978 status = wine_server_call( req );
979 }
980 SERVER_END_REQ;
981
982 if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
983 goto err;
984 }
985 else /* synchronous write, wait for the fd to become ready */
986 {
987 struct pollfd pfd;
988 int ret, timeout;
989
990 if (!timeout_init_done)
991 {
992 timeout_init_done = 1;
993 if ((status = get_io_timeouts( hFile, type, length, FALSE, &timeouts )))
994 goto err;
995 if (hEvent) NtResetEvent( hEvent, NULL );
996 }
997 timeout = get_next_io_timeout( &timeouts, total );
998
999 pfd.fd = unix_handle;
1000 pfd.events = POLLOUT;
1001
1002 if (!timeout || !(ret = poll( &pfd, 1, timeout )))
1003 {
1004 /* return with what we got so far */
1005 status = total ? STATUS_SUCCESS : STATUS_TIMEOUT;
1006 goto done;
1007 }
1008 if (ret == -1 && errno != EINTR)
1009 {
1010 status = FILE_GetNtStatus();
1011 goto done;
1012 }
1013 /* will now restart the write */
1014 }
1015 }
1016
1017 done:
1018 if (cvalue) NTDLL_AddCompletion( hFile, cvalue, status, total );
1019
1020 err:
1021 if (needs_close) close( unix_handle );
1022 if (status == STATUS_SUCCESS)
1023 {
1024 io_status->u.Status = status;
1025 io_status->Information = total;
1026 TRACE("= SUCCESS (%u)\n", total);
1027 if (hEvent) NtSetEvent( hEvent, NULL );
1028 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
1029 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
1030 }
1031 else
1032 {
1033 TRACE("= 0x%08x\n", status);
1034 if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL );
1035 }
1036 return status;
1037 }
1038
1039
1040 /******************************************************************************
1041 * NtWriteFileGather [NTDLL.@]
1042 * ZwWriteFileGather [NTDLL.@]
1043 */
1044 NTSTATUS WINAPI NtWriteFileGather( HANDLE file, HANDLE event, PIO_APC_ROUTINE apc, void *apc_user,
1045 PIO_STATUS_BLOCK io_status, FILE_SEGMENT_ELEMENT *segments,
1046 ULONG length, PLARGE_INTEGER offset, PULONG key )
1047 {
1048 size_t page_size = getpagesize();
1049 int result, unix_handle, needs_close;
1050 unsigned int options;
1051 NTSTATUS status;
1052 ULONG pos = 0, total = 0;
1053 enum server_fd_type type;
1054 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
1055
1056 TRACE( "(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
1057 file, event, apc, apc_user, io_status, segments, length, offset, key);
1058
1059 if (length % page_size) return STATUS_INVALID_PARAMETER;
1060 if (!io_status) return STATUS_ACCESS_VIOLATION;
1061
1062 status = server_get_unix_fd( file, FILE_WRITE_DATA, &unix_handle,
1063 &needs_close, &type, &options );
1064 if (status) return status;
1065
1066 if ((type != FD_TYPE_FILE) ||
1067 (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)) ||
1068 !(options & FILE_NO_INTERMEDIATE_BUFFERING))
1069 {
1070 status = STATUS_INVALID_PARAMETER;
1071 goto error;
1072 }
1073
1074 while (length)
1075 {
1076 if (offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */)
1077 result = pwrite( unix_handle, (char *)segments->Buffer + pos,
1078 page_size - pos, offset->QuadPart + total );
1079 else
1080 result = write( unix_handle, (char *)segments->Buffer + pos, page_size - pos );
1081
1082 if (result == -1)
1083 {
1084 if (errno == EINTR) continue;
1085 if (errno == EFAULT)
1086 {
1087 status = STATUS_INVALID_USER_BUFFER;
1088 goto error;
1089 }
1090 status = FILE_GetNtStatus();
1091 break;
1092 }
1093 if (!result)
1094 {
1095 status = STATUS_DISK_FULL;
1096 break;
1097 }
1098 total += result;
1099 length -= result;
1100 if ((pos += result) == page_size)
1101 {
1102 pos = 0;
1103 segments++;
1104 }
1105 }
1106
1107 if (cvalue) NTDLL_AddCompletion( file, cvalue, status, total );
1108
1109 error:
1110 if (needs_close) close( unix_handle );
1111 if (status == STATUS_SUCCESS)
1112 {
1113 io_status->u.Status = status;
1114 io_status->Information = total;
1115 TRACE("= SUCCESS (%u)\n", total);
1116 if (event) NtSetEvent( event, NULL );
1117 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
1118 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
1119 }
1120 else
1121 {
1122 TRACE("= 0x%08x\n", status);
1123 if (status != STATUS_PENDING && event) NtResetEvent( event, NULL );
1124 }
1125 return status;
1126 }
1127
1128
1129 struct async_ioctl
1130 {
1131 HANDLE handle; /* handle to the device */
1132 void *buffer; /* buffer for output */
1133 ULONG size; /* size of buffer */
1134 PIO_APC_ROUTINE apc; /* user apc params */
1135 void *apc_arg;
1136 };
1137
1138 /* callback for ioctl async I/O completion */
1139 static NTSTATUS ioctl_completion( void *arg, IO_STATUS_BLOCK *io, NTSTATUS status )
1140 {
1141 struct async_ioctl *async = arg;
1142
1143 if (status == STATUS_ALERTED)
1144 {
1145 SERVER_START_REQ( get_ioctl_result )
1146 {
1147 req->handle = async->handle;
1148 req->user_arg = async;
1149 wine_server_set_reply( req, async->buffer, async->size );
1150 if (!(status = wine_server_call( req )))
1151 io->Information = wine_server_reply_size( reply );
1152 }
1153 SERVER_END_REQ;
1154 }
1155 if (status != STATUS_PENDING) io->u.Status = status;
1156 return status;
1157 }
1158
1159 /* callback for ioctl user APC */
1160 static void WINAPI ioctl_apc( void *arg, IO_STATUS_BLOCK *io, ULONG reserved )
1161 {
1162 struct async_ioctl *async = arg;
1163 if (async->apc) async->apc( async->apc_arg, io, reserved );
1164 RtlFreeHeap( GetProcessHeap(), 0, async );
1165 }
1166
1167 /* do a ioctl call through the server */
1168 static NTSTATUS server_ioctl_file( HANDLE handle, HANDLE event,
1169 PIO_APC_ROUTINE apc, PVOID apc_context,
1170 IO_STATUS_BLOCK *io, ULONG code,
1171 const void *in_buffer, ULONG in_size,
1172 PVOID out_buffer, ULONG out_size )
1173 {
1174 struct async_ioctl *async;
1175 NTSTATUS status;
1176 HANDLE wait_handle;
1177 ULONG options;
1178 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_context;
1179
1180 if (!(async = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*async) )))
1181 return STATUS_NO_MEMORY;
1182 async->handle = handle;
1183 async->buffer = out_buffer;
1184 async->size = out_size;
1185 async->apc = apc;
1186 async->apc_arg = apc_context;
1187
1188 SERVER_START_REQ( ioctl )
1189 {
1190 req->handle = handle;
1191 req->code = code;
1192 req->async.callback = ioctl_completion;
1193 req->async.iosb = io;
1194 req->async.arg = async;
1195 req->async.apc = (apc || event) ? ioctl_apc : NULL;
1196 req->async.event = event;
1197 req->async.cvalue = cvalue;
1198 wine_server_add_data( req, in_buffer, in_size );
1199 wine_server_set_reply( req, out_buffer, out_size );
1200 if (!(status = wine_server_call( req )))
1201 io->Information = wine_server_reply_size( reply );
1202 wait_handle = reply->wait;
1203 options = reply->options;
1204 }
1205 SERVER_END_REQ;
1206
1207 if (status == STATUS_NOT_SUPPORTED)
1208 FIXME("Unsupported ioctl %x (device=%x access=%x func=%x method=%x)\n",
1209 code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1210
1211 if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, async );
1212
1213 if (wait_handle)
1214 {
1215 NtWaitForSingleObject( wait_handle, (options & FILE_SYNCHRONOUS_IO_ALERT), NULL );
1216 status = io->u.Status;
1217 NtClose( wait_handle );
1218 RtlFreeHeap( GetProcessHeap(), 0, async );
1219 }
1220
1221 return status;
1222 }
1223
1224
1225 /**************************************************************************
1226 * NtDeviceIoControlFile [NTDLL.@]
1227 * ZwDeviceIoControlFile [NTDLL.@]
1228 *
1229 * Perform an I/O control operation on an open file handle.
1230 *
1231 * PARAMS
1232 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1233 * event [I] Event to signal upon completion (or NULL)
1234 * apc [I] Callback to call upon completion (or NULL)
1235 * apc_context [I] Context for ApcRoutine (or NULL)
1236 * io [O] Receives information about the operation on return
1237 * code [I] Control code for the operation to perform
1238 * in_buffer [I] Source for any input data required (or NULL)
1239 * in_size [I] Size of InputBuffer
1240 * out_buffer [O] Source for any output data returned (or NULL)
1241 * out_size [I] Size of OutputBuffer
1242 *
1243 * RETURNS
1244 * Success: 0. IoStatusBlock is updated.
1245 * Failure: An NTSTATUS error code describing the error.
1246 */
1247 NTSTATUS WINAPI NtDeviceIoControlFile(HANDLE handle, HANDLE event,
1248 PIO_APC_ROUTINE apc, PVOID apc_context,
1249 PIO_STATUS_BLOCK io, ULONG code,
1250 PVOID in_buffer, ULONG in_size,
1251 PVOID out_buffer, ULONG out_size)
1252 {
1253 ULONG device = (code >> 16);
1254 NTSTATUS status = STATUS_NOT_SUPPORTED;
1255
1256 TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
1257 handle, event, apc, apc_context, io, code,
1258 in_buffer, in_size, out_buffer, out_size);
1259
1260 switch(device)
1261 {
1262 case FILE_DEVICE_DISK:
1263 case FILE_DEVICE_CD_ROM:
1264 case FILE_DEVICE_DVD:
1265 case FILE_DEVICE_CONTROLLER:
1266 case FILE_DEVICE_MASS_STORAGE:
1267 status = CDROM_DeviceIoControl(handle, event, apc, apc_context, io, code,
1268 in_buffer, in_size, out_buffer, out_size);
1269 break;
1270 case FILE_DEVICE_SERIAL_PORT:
1271 status = COMM_DeviceIoControl(handle, event, apc, apc_context, io, code,
1272 in_buffer, in_size, out_buffer, out_size);
1273 break;
1274 case FILE_DEVICE_TAPE:
1275 status = TAPE_DeviceIoControl(handle, event, apc, apc_context, io, code,
1276 in_buffer, in_size, out_buffer, out_size);
1277 break;
1278 }
1279
1280 if (status == STATUS_NOT_SUPPORTED || status == STATUS_BAD_DEVICE_TYPE)
1281 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1282 in_buffer, in_size, out_buffer, out_size );
1283
1284 if (status != STATUS_PENDING) io->u.Status = status;
1285 return status;
1286 }
1287
1288
1289 /**************************************************************************
1290 * NtFsControlFile [NTDLL.@]
1291 * ZwFsControlFile [NTDLL.@]
1292 *
1293 * Perform a file system control operation on an open file handle.
1294 *
1295 * PARAMS
1296 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1297 * event [I] Event to signal upon completion (or NULL)
1298 * apc [I] Callback to call upon completion (or NULL)
1299 * apc_context [I] Context for ApcRoutine (or NULL)
1300 * io [O] Receives information about the operation on return
1301 * code [I] Control code for the operation to perform
1302 * in_buffer [I] Source for any input data required (or NULL)
1303 * in_size [I] Size of InputBuffer
1304 * out_buffer [O] Source for any output data returned (or NULL)
1305 * out_size [I] Size of OutputBuffer
1306 *
1307 * RETURNS
1308 * Success: 0. IoStatusBlock is updated.
1309 * Failure: An NTSTATUS error code describing the error.
1310 */
1311 NTSTATUS WINAPI NtFsControlFile(HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc,
1312 PVOID apc_context, PIO_STATUS_BLOCK io, ULONG code,
1313 PVOID in_buffer, ULONG in_size, PVOID out_buffer, ULONG out_size)
1314 {
1315 NTSTATUS status;
1316
1317 TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
1318 handle, event, apc, apc_context, io, code,
1319 in_buffer, in_size, out_buffer, out_size);
1320
1321 if (!io) return STATUS_INVALID_PARAMETER;
1322
1323 switch(code)
1324 {
1325 case FSCTL_DISMOUNT_VOLUME:
1326 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1327 in_buffer, in_size, out_buffer, out_size );
1328 if (!status) status = DIR_unmount_device( handle );
1329 break;
1330
1331 case FSCTL_PIPE_PEEK:
1332 {
1333 FILE_PIPE_PEEK_BUFFER *buffer = out_buffer;
1334 int avail = 0, fd, needs_close;
1335
1336 if (out_size < FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data ))
1337 {
1338 status = STATUS_INFO_LENGTH_MISMATCH;
1339 break;
1340 }
1341
1342 if ((status = server_get_unix_fd( handle, FILE_READ_DATA, &fd, &needs_close, NULL, NULL )))
1343 break;
1344
1345 #ifdef FIONREAD
1346 if (ioctl( fd, FIONREAD, &avail ) != 0)
1347 {
1348 TRACE("FIONREAD failed reason: %s\n",strerror(errno));
1349 if (needs_close) close( fd );
1350 status = FILE_GetNtStatus();
1351 break;
1352 }
1353 #endif
1354 if (!avail) /* check for closed pipe */
1355 {
1356 struct pollfd pollfd;
1357 int ret;
1358
1359 pollfd.fd = fd;
1360 pollfd.events = POLLIN;
1361 pollfd.revents = 0;
1362 ret = poll( &pollfd, 1, 0 );
1363 if (ret == -1 || (ret == 1 && (pollfd.revents & (POLLHUP|POLLERR))))
1364 {
1365 if (needs_close) close( fd );
1366 status = STATUS_PIPE_BROKEN;
1367 break;
1368 }
1369 }
1370 buffer->NamedPipeState = 0; /* FIXME */
1371 buffer->ReadDataAvailable = avail;
1372 buffer->NumberOfMessages = 0; /* FIXME */
1373 buffer->MessageLength = 0; /* FIXME */
1374 io->Information = FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
1375 status = STATUS_SUCCESS;
1376 if (avail)
1377 {
1378 ULONG data_size = out_size - FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
1379 if (data_size)
1380 {
1381 int res = recv( fd, buffer->Data, data_size, MSG_PEEK );
1382 if (res >= 0) io->Information += res;
1383 }
1384 }
1385 if (needs_close) close( fd );
1386 }
1387 break;
1388
1389 case FSCTL_PIPE_DISCONNECT:
1390 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1391 in_buffer, in_size, out_buffer, out_size );
1392 if (!status)
1393 {
1394 int fd = server_remove_fd_from_cache( handle );
1395 if (fd != -1) close( fd );
1396 }
1397 break;
1398
1399 case FSCTL_PIPE_IMPERSONATE:
1400 FIXME("FSCTL_PIPE_IMPERSONATE: impersonating self\n");
1401 status = RtlImpersonateSelf( SecurityImpersonation );
1402 break;
1403
1404 case FSCTL_LOCK_VOLUME:
1405 case FSCTL_UNLOCK_VOLUME:
1406 FIXME("stub! return success - Unsupported fsctl %x (device=%x access=%x func=%x method=%x)\n",
1407 code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1408 status = STATUS_SUCCESS;
1409 break;
1410
1411 case FSCTL_PIPE_LISTEN:
1412 case FSCTL_PIPE_WAIT:
1413 default:
1414 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1415 in_buffer, in_size, out_buffer, out_size );
1416 break;
1417 }
1418
1419 if (status != STATUS_PENDING) io->u.Status = status;
1420 return status;
1421 }
1422
1423 /******************************************************************************
1424 * NtSetVolumeInformationFile [NTDLL.@]
1425 * ZwSetVolumeInformationFile [NTDLL.@]
1426 *
1427 * Set volume information for an open file handle.
1428 *
1429 * PARAMS
1430 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1431 * IoStatusBlock [O] Receives information about the operation on return
1432 * FsInformation [I] Source for volume information
1433 * Length [I] Size of FsInformation
1434 * FsInformationClass [I] Type of volume information to set
1435 *
1436 * RETURNS
1437 * Success: 0. IoStatusBlock is updated.
1438 * Failure: An NTSTATUS error code describing the error.
1439 */
1440 NTSTATUS WINAPI NtSetVolumeInformationFile(
1441 IN HANDLE FileHandle,
1442 PIO_STATUS_BLOCK IoStatusBlock,
1443 PVOID FsInformation,
1444 ULONG Length,
1445 FS_INFORMATION_CLASS FsInformationClass)
1446 {
1447 FIXME("(%p,%p,%p,0x%08x,0x%08x) stub\n",
1448 FileHandle,IoStatusBlock,FsInformation,Length,FsInformationClass);
1449 return 0;
1450 }
1451
1452 /******************************************************************************
1453 * NtQueryInformationFile [NTDLL.@]
1454 * ZwQueryInformationFile [NTDLL.@]
1455 *
1456 * Get information about an open file handle.
1457 *
1458 * PARAMS
1459 * hFile [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1460 * io [O] Receives information about the operation on return
1461 * ptr [O] Destination for file information
1462 * len [I] Size of FileInformation
1463 * class [I] Type of file information to get
1464 *
1465 * RETURNS
1466 * Success: 0. IoStatusBlock and FileInformation are updated.
1467 * Failure: An NTSTATUS error code describing the error.
1468 */
1469 NTSTATUS WINAPI NtQueryInformationFile( HANDLE hFile, PIO_STATUS_BLOCK io,
1470 PVOID ptr, LONG len, FILE_INFORMATION_CLASS class )
1471 {
1472 static const size_t info_sizes[] =
1473 {
1474 0,
1475 sizeof(FILE_DIRECTORY_INFORMATION), /* FileDirectoryInformation */
1476 sizeof(FILE_FULL_DIRECTORY_INFORMATION), /* FileFullDirectoryInformation */
1477 sizeof(FILE_BOTH_DIRECTORY_INFORMATION), /* FileBothDirectoryInformation */
1478 sizeof(FILE_BASIC_INFORMATION), /* FileBasicInformation */
1479 sizeof(FILE_STANDARD_INFORMATION), /* FileStandardInformation */
1480 sizeof(FILE_INTERNAL_INFORMATION), /* FileInternalInformation */
1481 sizeof(FILE_EA_INFORMATION), /* FileEaInformation */
1482 sizeof(FILE_ACCESS_INFORMATION), /* FileAccessInformation */
1483 sizeof(FILE_NAME_INFORMATION)-sizeof(WCHAR), /* FileNameInformation */
1484 sizeof(FILE_RENAME_INFORMATION)-sizeof(WCHAR), /* FileRenameInformation */
1485 0, /* FileLinkInformation */
1486 sizeof(FILE_NAMES_INFORMATION)-sizeof(WCHAR), /* FileNamesInformation */
1487 sizeof(FILE_DISPOSITION_INFORMATION), /* FileDispositionInformation */
1488 sizeof(FILE_POSITION_INFORMATION), /* FilePositionInformation */
1489 sizeof(FILE_FULL_EA_INFORMATION), /* FileFullEaInformation */
1490 sizeof(FILE_MODE_INFORMATION), /* FileModeInformation */
1491 sizeof(FILE_ALIGNMENT_INFORMATION), /* FileAlignmentInformation */
1492 sizeof(FILE_ALL_INFORMATION)-sizeof(WCHAR), /* FileAllInformation */
1493 sizeof(FILE_ALLOCATION_INFORMATION), /* FileAllocationInformation */
1494 sizeof(FILE_END_OF_FILE_INFORMATION), /* FileEndOfFileInformation */
1495 0, /* FileAlternateNameInformation */
1496 sizeof(FILE_STREAM_INFORMATION)-sizeof(WCHAR), /* FileStreamInformation */
1497 0, /* FilePipeInformation */
1498 sizeof(FILE_PIPE_LOCAL_INFORMATION), /* FilePipeLocalInformation */
1499 0, /* FilePipeRemoteInformation */
1500 sizeof(FILE_MAILSLOT_QUERY_INFORMATION), /* FileMailslotQueryInformation */
1501 0, /* FileMailslotSetInformation */
1502 0, /* FileCompressionInformation */
1503 0, /* FileObjectIdInformation */
1504 0, /* FileCompletionInformation */
1505 0, /* FileMoveClusterInformation */
1506 0, /* FileQuotaInformation */
1507 0, /* FileReparsePointInformation */
1508 0, /* FileNetworkOpenInformation */
1509 0, /* FileAttributeTagInformation */
1510 0 /* FileTrackingInformation */
1511 };
1512
1513 struct stat st;
1514 int fd, needs_close = FALSE;
1515
1516 TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", hFile, io, ptr, len, class);
1517
1518 io->Information = 0;
1519
1520 if (class <= 0 || class >= FileMaximumInformation)
1521 return io->u.Status = STATUS_INVALID_INFO_CLASS;
1522 if (!info_sizes[class])
1523 {
1524 FIXME("Unsupported class (%d)\n", class);
1525 return io->u.Status = STATUS_NOT_IMPLEMENTED;
1526 }
1527 if (len < info_sizes[class])
1528 return io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
1529
1530 if (class != FilePipeLocalInformation)
1531 {
1532 if ((io->u.Status = server_get_unix_fd( hFile, 0, &fd, &needs_close, NULL, NULL )))
1533 return io->u.Status;
1534 }
1535
1536 switch (class)
1537 {
1538 case FileBasicInformation:
1539 {
1540 FILE_BASIC_INFORMATION *info = ptr;
1541
1542 if (fstat( fd, &st ) == -1)
1543 io->u.Status = FILE_GetNtStatus();
1544 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1545 io->u.Status = STATUS_INVALID_INFO_CLASS;
1546 else
1547 {
1548 if (S_ISDIR(st.st_mode)) info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1549 else info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1550 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1551 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1552 RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime);
1553 RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime);
1554 RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime);
1555 RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime);
1556 }
1557 }
1558 break;
1559 case FileStandardInformation:
1560 {
1561 FILE_STANDARD_INFORMATION *info = ptr;
1562
1563 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1564 else
1565 {
1566 if ((info->Directory = S_ISDIR(st.st_mode)))
1567 {
1568 info->AllocationSize.QuadPart = 0;
1569 info->EndOfFile.QuadPart = 0;
1570 info->NumberOfLinks = 1;
1571 info->DeletePending = FALSE;
1572 }
1573 else
1574 {
1575 info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1576 info->EndOfFile.QuadPart = st.st_size;
1577 info->NumberOfLinks = st.st_nlink;
1578 info->DeletePending = FALSE; /* FIXME */
1579 }
1580 }
1581 }
1582 break;
1583 case FilePositionInformation:
1584 {
1585 FILE_POSITION_INFORMATION *info = ptr;
1586 off_t res = lseek( fd, 0, SEEK_CUR );
1587 if (res == (off_t)-1) io->u.Status = FILE_GetNtStatus();
1588 else info->CurrentByteOffset.QuadPart = res;
1589 }
1590 break;
1591 case FileInternalInformation:
1592 {
1593 FILE_INTERNAL_INFORMATION *info = ptr;
1594
1595 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1596 else info->IndexNumber.QuadPart = st.st_ino;
1597 }
1598 break;
1599 case FileEaInformation:
1600 {
1601 FILE_EA_INFORMATION *info = ptr;
1602 info->EaSize = 0;
1603 }
1604 break;
1605 case FileEndOfFileInformation:
1606 {
1607 FILE_END_OF_FILE_INFORMATION *info = ptr;
1608
1609 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1610 else info->EndOfFile.QuadPart = S_ISDIR(st.st_mode) ? 0 : st.st_size;
1611 }
1612 break;
1613 case FileAllInformation:
1614 {
1615 FILE_ALL_INFORMATION *info = ptr;
1616
1617 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1618 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1619 io->u.Status = STATUS_INVALID_INFO_CLASS;
1620 else
1621 {
1622 if ((info->StandardInformation.Directory = S_ISDIR(st.st_mode)))
1623 {
1624 info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1625 info->StandardInformation.AllocationSize.QuadPart = 0;
1626 info->StandardInformation.EndOfFile.QuadPart = 0;
1627 info->StandardInformation.NumberOfLinks = 1;
1628 info->StandardInformation.DeletePending = FALSE;
1629 }
1630 else
1631 {
1632 info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1633 info->StandardInformation.AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1634 info->StandardInformation.EndOfFile.QuadPart = st.st_size;
1635 info->StandardInformation.NumberOfLinks = st.st_nlink;
1636 info->StandardInformation.DeletePending = FALSE; /* FIXME */
1637 }
1638 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1639 info->BasicInformation.FileAttributes |= FILE_ATTRIBUTE_READONLY;
1640 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.CreationTime);
1641 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.LastWriteTime);
1642 RtlSecondsSince1970ToTime( st.st_ctime, &info->BasicInformation.ChangeTime);
1643 RtlSecondsSince1970ToTime( st.st_atime, &info->BasicInformation.LastAccessTime);
1644 info->InternalInformation.IndexNumber.QuadPart = st.st_ino;
1645 info->EaInformation.EaSize = 0;
1646 info->AccessInformation.AccessFlags = 0; /* FIXME */
1647 info->PositionInformation.CurrentByteOffset.QuadPart = lseek( fd, 0, SEEK_CUR );
1648 info->ModeInformation.Mode = 0; /* FIXME */
1649 info->AlignmentInformation.AlignmentRequirement = 1; /* FIXME */
1650 info->NameInformation.FileNameLength = 0;
1651 io->Information = sizeof(*info) - sizeof(WCHAR);
1652 }
1653 }
1654 break;
1655 case FileMailslotQueryInformation:
1656 {
1657 FILE_MAILSLOT_QUERY_INFORMATION *info = ptr;
1658
1659 SERVER_START_REQ( set_mailslot_info )
1660 {
1661 req->handle = hFile;
1662 req->flags = 0;
1663 io->u.Status = wine_server_call( req );
1664 if( io->u.Status == STATUS_SUCCESS )
1665 {
1666 info->MaximumMessageSize = reply->max_msgsize;
1667 info->MailslotQuota = 0;
1668 info->NextMessageSize = 0;
1669 info->MessagesAvailable = 0;
1670 info->ReadTimeout.QuadPart = reply->read_timeout;
1671 }
1672 }
1673 SERVER_END_REQ;
1674 if (!io->u.Status)
1675 {
1676 char *tmpbuf;
1677 ULONG size = info->MaximumMessageSize ? info->MaximumMessageSize : 0x10000;
1678 if (size > 0x10000) size = 0x10000;
1679 if ((tmpbuf = RtlAllocateHeap( GetProcessHeap(), 0, size )))
1680 {
1681 int fd, needs_close;
1682 if (!server_get_unix_fd( hFile, FILE_READ_DATA, &fd, &needs_close, NULL, NULL ))
1683 {
1684 int res = recv( fd, tmpbuf, size, MSG_PEEK );
1685 info->MessagesAvailable = (res > 0);
1686 info->NextMessageSize = (res >= 0) ? res : MAILSLOT_NO_MESSAGE;
1687 if (needs_close) close( fd );
1688 }
1689 RtlFreeHeap( GetProcessHeap(), 0, tmpbuf );
1690 }
1691 }
1692 }
1693 break;
1694 case FilePipeLocalInformation:
1695 {
1696 FILE_PIPE_LOCAL_INFORMATION* pli = ptr;
1697
1698 SERVER_START_REQ( get_named_pipe_info )
1699 {
1700 req->handle = hFile;
1701 if (!(io->u.Status = wine_server_call( req )))
1702 {
1703 pli->NamedPipeType = (reply->flags & NAMED_PIPE_MESSAGE_STREAM_WRITE) ?
1704 FILE_PIPE_TYPE_MESSAGE : FILE_PIPE_TYPE_BYTE;
1705 pli->NamedPipeConfiguration = 0; /* FIXME */
1706 pli->MaximumInstances = reply->maxinstances;
1707 pli->CurrentInstances = reply->instances;
1708 pli->InboundQuota = reply->insize;
1709 pli->ReadDataAvailable = 0; /* FIXME */
1710 pli->OutboundQuota = reply->outsize;
1711 pli->WriteQuotaAvailable = 0; /* FIXME */
1712 pli->NamedPipeState = 0; /* FIXME */
1713 pli->NamedPipeEnd = (reply->flags & NAMED_PIPE_SERVER_END) ?
1714 FILE_PIPE_SERVER_END : FILE_PIPE_CLIENT_END;
1715 }
1716 }
1717 SERVER_END_REQ;
1718 }
1719 break;
1720 default:
1721 FIXME("Unsupported class (%d)\n", class);
1722 io->u.Status = STATUS_NOT_IMPLEMENTED;
1723 break;
1724 }
1725 if (needs_close) close( fd );
1726 if (io->u.Status == STATUS_SUCCESS && !io->Information) io->Information = info_sizes[class];
1727 return io->u.Status;
1728 }
1729
1730 /******************************************************************************
1731 * NtSetInformationFile [NTDLL.@]
1732 * ZwSetInformationFile [NTDLL.@]
1733 *
1734 * Set information about an open file handle.
1735 *
1736 * PARAMS
1737 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1738 * io [O] Receives information about the operation on return
1739 * ptr [I] Source for file information
1740 * len [I] Size of FileInformation
1741 * class [I] Type of file information to set
1742 *
1743 * RETURNS
1744 * Success: 0. io is updated.
1745 * Failure: An NTSTATUS error code describing the error.
1746 */
1747 NTSTATUS WINAPI NtSetInformationFile(HANDLE handle, PIO_STATUS_BLOCK io,
1748 PVOID ptr, ULONG len, FILE_INFORMATION_CLASS class)
1749 {
1750 int fd, needs_close;
1751
1752 TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", handle, io, ptr, len, class);
1753
1754 io->u.Status = STATUS_SUCCESS;
1755 switch (class)
1756 {
1757 case FileBasicInformation:
1758 if (len >= sizeof(FILE_BASIC_INFORMATION))
1759 {
1760 struct stat st;
1761 const FILE_BASIC_INFORMATION *info = ptr;
1762
1763 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
1764 return io->u.Status;
1765
1766 if (info->LastAccessTime.QuadPart || info->LastWriteTime.QuadPart)
1767 {
1768 ULONGLONG sec, nsec;
1769 struct timeval tv[2];
1770
1771 if (!info->LastAccessTime.QuadPart || !info->LastWriteTime.QuadPart)
1772 {
1773
1774 tv[0].tv_sec = tv[0].tv_usec = 0;
1775 tv[1].tv_sec = tv[1].tv_usec = 0;
1776 if (!fstat( fd, &st ))
1777 {
1778 tv[0].tv_sec = st.st_atime;
1779 tv[1].tv_sec = st.st_mtime;
1780 }
1781 }
1782 if (info->LastAccessTime.QuadPart)
1783 {
1784 sec = RtlLargeIntegerDivide( info->LastAccessTime.QuadPart, 10000000, &nsec );
1785 tv[0].tv_sec = sec - SECS_1601_TO_1970;
1786 tv[0].tv_usec = (UINT)nsec / 10;
1787 }
1788 if (info->LastWriteTime.QuadPart)
1789 {
1790 sec = RtlLargeIntegerDivide( info->LastWriteTime.QuadPart, 10000000, &nsec );
1791 tv[1].tv_sec = sec - SECS_1601_TO_1970;
1792 tv[1].tv_usec = (UINT)nsec / 10;
1793 }
1794 if (futimes( fd, tv ) == -1) io->u.Status = FILE_GetNtStatus();
1795 }
1796
1797 if (io->u.Status == STATUS_SUCCESS && info->FileAttributes)
1798 {
1799 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1800 else
1801 {
1802 if (info->FileAttributes & FILE_ATTRIBUTE_READONLY)
1803 {
1804 if (S_ISDIR( st.st_mode))
1805 WARN("FILE_ATTRIBUTE_READONLY ignored for directory.\n");
1806 else
1807 st.st_mode &= ~0222; /* clear write permission bits */
1808 }
1809 else
1810 {
1811 /* add write permission only where we already have read permission */
1812 st.st_mode |= (0600 | ((st.st_mode & 044) >> 1)) & (~FILE_umask);
1813 }
1814 if (fchmod( fd, st.st_mode ) == -1) io->u.Status = FILE_GetNtStatus();
1815 }
1816 }
1817
1818 if (needs_close) close( fd );
1819 }
1820 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1821 break;
1822
1823 case FilePositionInformation:
1824 if (len >= sizeof(FILE_POSITION_INFORMATION))
1825 {
1826 const FILE_POSITION_INFORMATION *info = ptr;
1827
1828 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
1829 return io->u.Status;
1830
1831 if (lseek( fd, info->CurrentByteOffset.QuadPart, SEEK_SET ) == (off_t)-1)
1832 io->u.Status = FILE_GetNtStatus();
1833
1834 if (needs_close) close( fd );
1835 }
1836 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1837 break;
1838
1839 case FileEndOfFileInformation:
1840 if (len >= sizeof(FILE_END_OF_FILE_INFORMATION))
1841 {
1842 struct stat st;
1843 const FILE_END_OF_FILE_INFORMATION *info = ptr;
1844
1845 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
1846 return io->u.Status;
1847
1848 /* first try normal truncate */
1849 if (ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1850
1851 /* now check for the need to extend the file */
1852 if (fstat( fd, &st ) != -1 && (off_t)info->EndOfFile.QuadPart > st.st_size)
1853 {
1854 static const char zero;
1855
1856 /* extend the file one byte beyond the requested size and then truncate it */
1857 /* this should work around ftruncate implementations that can't extend files */
1858 if (pwrite( fd, &zero, 1, (off_t)info->EndOfFile.QuadPart ) != -1 &&
1859 ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1860 }
1861 io->u.Status = FILE_GetNtStatus();
1862
1863 if (needs_close) close( fd );
1864 }
1865 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1866 break;
1867
1868 case FileMailslotSetInformation:
1869 {
1870 FILE_MAILSLOT_SET_INFORMATION *info = ptr;
1871
1872 SERVER_START_REQ( set_mailslot_info )
1873 {
1874 req->handle = handle;
1875 req->flags = MAILSLOT_SET_READ_TIMEOUT;
1876 req->read_timeout = info->ReadTimeout.QuadPart;
1877 io->u.Status = wine_server_call( req );
1878 }
1879 SERVER_END_REQ;
1880 }
1881 break;
1882
1883 case FileCompletionInformation:
1884 if (len >= sizeof(FILE_COMPLETION_INFORMATION))
1885 {
1886 FILE_COMPLETION_INFORMATION *info = (FILE_COMPLETION_INFORMATION *)ptr;
1887
1888 SERVER_START_REQ( set_completion_info )
1889 {
1890 req->handle = handle;
1891 req->chandle = info->CompletionPort;
1892 req->ckey = info->CompletionKey;
1893 io->u.Status = wine_server_call( req );
1894 }
1895 SERVER_END_REQ;
1896 } else
1897 io->u.Status = STATUS_INVALID_PARAMETER_3;
1898 break;
1899
1900 default:
1901 FIXME("Unsupported class (%d)\n", class);
1902 io->u.Status = STATUS_NOT_IMPLEMENTED;
1903 break;
1904 }
1905 io->Information = 0;
1906 return io->u.Status;
1907 }
1908
1909
1910 /******************************************************************************
1911 * NtQueryFullAttributesFile (NTDLL.@)
1912 */
1913 NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr,
1914 FILE_NETWORK_OPEN_INFORMATION *info )
1915 {
1916 ANSI_STRING unix_name;
1917 NTSTATUS status;
1918
1919 if (!(status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, FILE_OPEN,
1920 !(attr->Attributes & OBJ_CASE_INSENSITIVE) )))
1921 {
1922 struct stat st;
1923
1924 if (stat( unix_name.Buffer, &st ) == -1)
1925 status = FILE_GetNtStatus();
1926 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1927 status = STATUS_INVALID_INFO_CLASS;
1928 else
1929 {
1930 if (S_ISDIR(st.st_mode))
1931 {
1932 info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1933 info->AllocationSize.QuadPart = 0;
1934 info->EndOfFile.QuadPart = 0;
1935 }
1936 else
1937 {
1938 info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1939 info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1940 info->EndOfFile.QuadPart = st.st_size;
1941 }
1942 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1943 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1944 RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime );
1945 RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime );
1946 RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime );
1947 RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime );
1948 if (DIR_is_hidden_file( attr->ObjectName ))
1949 info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
1950 }
1951 RtlFreeAnsiString( &unix_name );
1952 }
1953 else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
1954 return status;
1955 }
1956
1957
1958 /******************************************************************************
1959 * NtQueryAttributesFile (NTDLL.@)
1960 * ZwQueryAttributesFile (NTDLL.@)
1961 */
1962 NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC_INFORMATION *info )
1963 {
1964 FILE_NETWORK_OPEN_INFORMATION full_info;
1965 NTSTATUS status;
1966
1967 if (!(status = NtQueryFullAttributesFile( attr, &full_info )))
1968 {
1969 info->CreationTime.QuadPart = full_info.CreationTime.QuadPart;
1970 info->LastAccessTime.QuadPart = full_info.LastAccessTime.QuadPart;
1971 info->LastWriteTime.QuadPart = full_info.LastWriteTime.QuadPart;
1972 info->ChangeTime.QuadPart = full_info.ChangeTime.QuadPart;
1973 info->FileAttributes = full_info.FileAttributes;
1974 }
1975 return status;
1976 }
1977
1978
1979 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__APPLE__)
1980 /* helper for FILE_GetDeviceInfo to hide some platform differences in fstatfs */
1981 static inline void get_device_info_fstatfs( FILE_FS_DEVICE_INFORMATION *info, const char *fstypename,
1982 unsigned int flags )
1983 {
1984 if (!strcmp("cd9660", fstypename) || !strcmp("udf", fstypename))
1985 {
1986 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1987 /* Don't assume read-only, let the mount options set it below */
1988 info->Characteristics |= FILE_REMOVABLE_MEDIA;
1989 }
1990 else if (!strcmp("nfs", fstypename) || !strcmp("nwfs", fstypename) ||
1991 !strcmp("smbfs", fstypename) || !strcmp("afpfs", fstypename))
1992 {
1993 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1994 info->Characteristics |= FILE_REMOTE_DEVICE;
1995 }
1996 else if (!strcmp("procfs", fstypename))
1997 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1998 else
1999 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2000
2001 if (flags & MNT_RDONLY)
2002 info->Characteristics |= FILE_READ_ONLY_DEVICE;
2003
2004 if (!(flags & MNT_LOCAL))
2005 {
2006 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
2007 info->Characteristics |= FILE_REMOTE_DEVICE;
2008 }
2009 }
2010 #endif
2011
2012 static inline int is_device_placeholder( int fd )
2013 {
2014 static const char wine_placeholder[] = "Wine device placeholder";
2015 char buffer[sizeof(wine_placeholder)-1];
2016
2017 if (pread( fd, buffer, sizeof(wine_placeholder) - 1, 0 ) != sizeof(wine_placeholder) - 1)
2018 return 0;
2019 return !memcmp( buffer, wine_placeholder, sizeof(wine_placeholder) - 1 );
2020 }
2021
2022 /******************************************************************************
2023 * get_device_info
2024 *
2025 * Implementation of the FileFsDeviceInformation query for NtQueryVolumeInformationFile.
2026 */
2027 static NTSTATUS get_device_info( int fd, FILE_FS_DEVICE_INFORMATION *info )
2028 {
2029 struct stat st;
2030
2031 info->Characteristics = 0;
2032 if (fstat( fd, &st ) < 0) return FILE_GetNtStatus();
2033 if (S_ISCHR( st.st_mode ))
2034 {
2035 info->DeviceType = FILE_DEVICE_UNKNOWN;
2036 #ifdef linux
2037 switch(major(st.st_rdev))
2038 {
2039 case MEM_MAJOR:
2040 info->DeviceType = FILE_DEVICE_NULL;
2041 break;
2042 case TTY_MAJOR:
2043 info->DeviceType = FILE_DEVICE_SERIAL_PORT;
2044 break;
2045 case LP_MAJOR:
2046 info->DeviceType = FILE_DEVICE_PARALLEL_PORT;
2047 break;
2048 case SCSI_TAPE_MAJOR:
2049 info->DeviceType = FILE_DEVICE_TAPE;
2050 break;
2051 }
2052 #endif
2053 }
2054 else if (S_ISBLK( st.st_mode ))
2055 {
2056 info->DeviceType = FILE_DEVICE_DISK;
2057 }
2058 else if (S_ISFIFO( st.st_mode ) || S_ISSOCK( st.st_mode ))
2059 {
2060 info->DeviceType = FILE_DEVICE_NAMED_PIPE;
2061 }
2062 else if (is_device_placeholder( fd ))
2063 {
2064 info->DeviceType = FILE_DEVICE_DISK;
2065 }
2066 else /* regular file or directory */
2067 {
2068 #if defined(linux) && defined(HAVE_FSTATFS)
2069 struct statfs stfs;
2070
2071 /* check for floppy disk */
2072 if (major(st.st_dev) == FLOPPY_MAJOR)
2073 info->Characteristics |= FILE_REMOVABLE_MEDIA;
2074
2075 if (fstatfs( fd, &stfs ) < 0) stfs.f_type = 0;
2076 switch (stfs.f_type)
2077 {
2078 case 0x9660: /* iso9660 */
2079 case 0x9fa1: /* supermount */
2080 case 0x15013346: /* udf */
2081 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
2082 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
2083 break;
2084 case 0x6969: /* nfs */
2085 case 0x517B: /* smbfs */
2086 case 0x564c: /* ncpfs */
2087 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
2088 info->Characteristics |= FILE_REMOTE_DEVICE;
2089 break;
2090 case 0x01021994: /* tmpfs */
2091 case 0x28cd3d45: /* cramfs */
2092 case 0x1373: /* devfs */
2093 case 0x9fa0: /* procfs */
2094 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
2095 break;
2096 default:
2097 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2098 break;
2099 }
2100 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__APPLE__)
2101 struct statfs stfs;
2102
2103 if (fstatfs( fd, &stfs ) < 0)
2104 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2105 else
2106 get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flags );
2107 #elif defined(__NetBSD__)
2108 struct statvfs stfs;
2109
2110 if (fstatvfs( fd, &stfs) < 0)
2111 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2112 else
2113 get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flag );
2114 #elif defined(sun)
2115 /* Use dkio to work out device types */
2116 {
2117 # include <sys/dkio.h>
2118 # include <sys/vtoc.h>
2119 struct dk_cinfo dkinf;
2120 int retval = ioctl(fd, DKIOCINFO, &dkinf);
2121 if(retval==-1){
2122 WARN("Unable to get disk device type information - assuming a disk like device\n");
2123 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2124 }
2125 switch (dkinf.dki_ctype)
2126 {
2127 case DKC_CDROM:
2128 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
2129 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
2130 break;
2131 case DKC_NCRFLOPPY:
2132 case DKC_SMSFLOPPY:
2133 case DKC_INTEL82072:
2134 case DKC_INTEL82077:
2135 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2136 info->Characteristics |= FILE_REMOVABLE_MEDIA;
2137 break;
2138 case DKC_MD:
2139 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
2140 break;
2141 default:
2142 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2143 }
2144 }
2145 #else
2146 static int warned;
2147 if (!warned++) FIXME( "device info not properly supported on this platform\n" );
2148 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2149 #endif
2150 info->Characteristics |= FILE_DEVICE_IS_MOUNTED;
2151 }
2152 return STATUS_SUCCESS;
2153 }
2154
2155
2156 /******************************************************************************
2157 * NtQueryVolumeInformationFile [NTDLL.@]
2158 * ZwQueryVolumeInformationFile [NTDLL.@]
2159 *
2160 * Get volume information for an open file handle.
2161 *
2162 * PARAMS
2163 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
2164 * io [O] Receives information about the operation on return
2165 * buffer [O] Destination for volume information
2166 * length [I] Size of FsInformation
2167 * info_class [I] Type of volume information to set
2168 *
2169 * RETURNS
2170 * Success: 0. io and buffer are updated.
2171 * Failure: An NTSTATUS error code describing the error.
2172 */
2173 NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io,
2174 PVOID buffer, ULONG length,
2175 FS_INFORMATION_CLASS info_class )
2176 {
2177 int fd, needs_close;
2178 struct stat st;
2179
2180 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )) != STATUS_SUCCESS)
2181 return io->u.Status;
2182
2183 io->u.Status = STATUS_NOT_IMPLEMENTED;
2184 io->Information = 0;
2185
2186 switch( info_class )
2187 {
2188 case FileFsVolumeInformation:
2189 FIXME( "%p: volume info not supported\n", handle );
2190 break;
2191 case FileFsLabelInformation:
2192 FIXME( "%p: label info not supported\n", handle );
2193 break;
2194 case FileFsSizeInformation:
2195 if (length < sizeof(FILE_FS_SIZE_INFORMATION))
2196 io->u.Status = STATUS_BUFFER_TOO_SMALL;
2197 else
2198 {
2199 FILE_FS_SIZE_INFORMATION *info = buffer;
2200
2201 if (fstat( fd, &st ) < 0)
2202 {
2203 io->u.Status = FILE_GetNtStatus();
2204 break;
2205 }
2206 if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
2207 {
2208 io->u.Status = STATUS_INVALID_DEVICE_REQUEST;
2209 }
2210 else
2211 {
2212 /* Linux's fstatvfs is buggy */
2213 #if !defined(linux) || !defined(HAVE_FSTATFS)
2214 struct statvfs stfs;
2215
2216 if (fstatvfs( fd, &stfs ) < 0)
2217 {
2218 io->u.Status = FILE_GetNtStatus();
2219 break;
2220 }
2221 info->BytesPerSector = stfs.f_frsize;
2222 #else
2223 struct statfs stfs;
2224 if (fstatfs( fd, &stfs ) < 0)
2225 {
2226 io->u.Status = FILE_GetNtStatus();
2227 break;
2228 }
2229 info->BytesPerSector = stfs.f_bsize;
2230 #endif
2231 info->TotalAllocationUnits.QuadPart = stfs.f_blocks;
2232 info->AvailableAllocationUnits.QuadPart = stfs.f_bavail;
2233 info->SectorsPerAllocationUnit = 1;
2234 io->Information = sizeof(*info);
2235 io->u.Status = STATUS_SUCCESS;
2236 }
2237 }
2238 break;
2239 case FileFsDeviceInformation:
2240 if (length < sizeof(FILE_FS_DEVICE_INFORMATION))
2241 io->u.Status = STATUS_BUFFER_TOO_SMALL;
2242 else
2243 {
2244 FILE_FS_DEVICE_INFORMATION *info = buffer;
2245
2246 if ((io->u.Status = get_device_info( fd, info )) == STATUS_SUCCESS)
2247 io->Information = sizeof(*info);
2248 }
2249 break;
2250 case FileFsAttributeInformation:
2251 FIXME( "%p: attribute info not supported\n", handle );
2252 break;
2253 case FileFsControlInformation:
2254 FIXME( "%p: control info not supported\n", handle );
2255 break;
2256 case FileFsFullSizeInformation:
2257 FIXME( "%p: full size info not supported\n", handle );
2258 break;
2259 case FileFsObjectIdInformation:
2260 FIXME( "%p: object id info not supported\n", handle );
2261 break;
2262 case FileFsMaximumInformation:
2263 FIXME( "%p: maximum info not supported\n", handle );
2264 break;
2265 default:
2266 io->u.Status = STATUS_INVALID_PARAMETER;
2267 break;
2268 }
2269 if (needs_close) close( fd );
2270 return io->u.Status;
2271 }
2272
2273
2274 /******************************************************************
2275 * NtFlushBuffersFile (NTDLL.@)
2276 *
2277 * Flush any buffered data on an open file handle.
2278 *
2279 * PARAMS
2280 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
2281 * IoStatusBlock [O] Receives information about the operation on return
2282 *
2283 * RETURNS
2284 * Success: 0. IoStatusBlock is updated.
2285 * Failure: An NTSTATUS error code describing the error.
2286 */
2287 NTSTATUS WINAPI NtFlushBuffersFile( HANDLE hFile, IO_STATUS_BLOCK* IoStatusBlock )
2288 {
2289 NTSTATUS ret;
2290 HANDLE hEvent = NULL;
2291
2292 SERVER_START_REQ( flush_file )
2293 {
2294 req->handle = hFile;
2295 ret = wine_server_call( req );
2296 hEvent = reply->event;
2297 }
2298 SERVER_END_REQ;
2299 if (!ret && hEvent)
2300 {
2301 ret = NtWaitForSingleObject( hEvent, FALSE, NULL );
2302 NtClose( hEvent );
2303 }
2304 return ret;
2305 }
2306
2307 /******************************************************************
2308 * NtLockFile (NTDLL.@)
2309 *
2310 *
2311 */
2312 NTSTATUS WINAPI NtLockFile( HANDLE hFile, HANDLE lock_granted_event,
2313 PIO_APC_ROUTINE apc, void* apc_user,
2314 PIO_STATUS_BLOCK io_status, PLARGE_INTEGER offset,
2315 PLARGE_INTEGER count, ULONG* key, BOOLEAN dont_wait,
2316 BOOLEAN exclusive )
2317 {
2318 NTSTATUS ret;
2319 HANDLE handle;
2320 BOOLEAN async;
2321
2322 if (apc || io_status || key)
2323 {
2324 FIXME("Unimplemented yet parameter\n");
2325 return STATUS_NOT_IMPLEMENTED;
2326 }
2327
2328 if (apc_user) FIXME("I/O completion on lock not implemented yet\n");
2329
2330 for (;;)
2331 {
2332 SERVER_START_REQ( lock_file )
2333 {
2334 req->handle = hFile;
2335 req->offset = offset->QuadPart;
2336 req->count = count->QuadPart;
2337 req->shared = !exclusive;
2338 req->wait = !dont_wait;
2339 ret = wine_server_call( req );
2340 handle = reply->handle;
2341 async = reply->overlapped;
2342 }
2343 SERVER_END_REQ;
2344 if (ret != STATUS_PENDING)
2345 {
2346 if (!ret && lock_granted_event) NtSetEvent(lock_granted_event, NULL);
2347 return ret;
2348 }
2349
2350 if (async)
2351 {
2352 FIXME( "Async I/O lock wait not implemented, might deadlock\n" );
2353 if (handle) NtClose( handle );
2354 return STATUS_PENDING;
2355 }
2356 if (handle)
2357 {
2358 NtWaitForSingleObject( handle, FALSE, NULL );
2359 NtClose( handle );
2360 }
2361 else
2362 {
2363 LARGE_INTEGER time;
2364
2365 /* Unix lock conflict, sleep a bit and retry */
2366 time.QuadPart = 100 * (ULONGLONG)10000;
2367 time.QuadPart = -time.QuadPart;
2368 NtDelayExecution( FALSE, &time );
2369 }
2370 }
2371 }
2372
2373
2374 /******************************************************************
2375 * NtUnlockFile (NTDLL.@)
2376 *
2377 *
2378 */
2379 NTSTATUS WINAPI NtUnlockFile( HANDLE hFile, PIO_STATUS_BLOCK io_status,
2380 PLARGE_INTEGER offset, PLARGE_INTEGER count,
2381 PULONG key )
2382 {
2383 NTSTATUS status;
2384
2385 TRACE( "%p %x%08x %x%08x\n",
2386 hFile, offset->u.HighPart, offset->u.LowPart, count->u.HighPart, count->u.LowPart );
2387
2388 if (io_status || key)
2389 {
2390 FIXME("Unimplemented yet parameter\n");
2391 return STATUS_NOT_IMPLEMENTED;
2392 }
2393
2394 SERVER_START_REQ( unlock_file )
2395 {
2396 req->handle = hFile;
2397 req->offset = offset->QuadPart;
2398 req->count = count->QuadPart;
2399 status = wine_server_call( req );
2400 }
2401 SERVER_END_REQ;
2402 return status;
2403 }
2404
2405 /******************************************************************
2406 * NtCreateNamedPipeFile (NTDLL.@)
2407 *
2408 *
2409 */
2410 NTSTATUS WINAPI NtCreateNamedPipeFile( PHANDLE handle, ULONG access,
2411 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK iosb,
2412 ULONG sharing, ULONG dispo, ULONG options,
2413 ULONG pipe_type, ULONG read_mode,
2414 ULONG completion_mode, ULONG max_inst,
2415 ULONG inbound_quota, ULONG outbound_quota,
2416 PLARGE_INTEGER timeout)
2417 {
2418 NTSTATUS status;
2419
2420 TRACE("(%p %x %s %p %x %d %x %d %d %d %d %d %d %p)\n",
2421 handle, access, debugstr_w(attr->ObjectName->Buffer), iosb, sharing, dispo,
2422 options, pipe_type, read_mode, completion_mode, max_inst, inbound_quota,
2423 outbound_quota, timeout);
2424
2425 /* assume we only get relative timeout */
2426 if (timeout->QuadPart > 0)
2427 FIXME("Wrong time %s\n", wine_dbgstr_longlong(timeout->QuadPart));
2428
2429 SERVER_START_REQ( create_named_pipe )
2430 {
2431 req->access = access;
2432 req->attributes = attr->Attributes;
2433 req->rootdir = attr->RootDirectory;
2434 req->options = options;
2435 req->flags =
2436 (pipe_type) ? NAMED_PIPE_MESSAGE_STREAM_WRITE : 0 |
2437 (read_mode) ? NAMED_PIPE_MESSAGE_STREAM_READ : 0 |
2438 (completion_mode) ? NAMED_PIPE_NONBLOCKING_MODE : 0;
2439 req->maxinstances = max_inst;
2440 req->outsize = outbound_quota;
2441 req->insize = inbound_quota;
2442 req->timeout = timeout->QuadPart;
2443 wine_server_add_data( req, attr->ObjectName->Buffer,
2444 attr->ObjectName->Length );
2445 status = wine_server_call( req );
2446 if (!status) *handle = reply->handle;
2447 }
2448 SERVER_END_REQ;
2449 return status;
2450 }
2451
2452 /******************************************************************
2453 * NtDeleteFile (NTDLL.@)
2454 *
2455 *
2456 */
2457 NTSTATUS WINAPI NtDeleteFile( POBJECT_ATTRIBUTES ObjectAttributes )
2458 {
2459 NTSTATUS status;
2460 HANDLE hFile;
2461 IO_STATUS_BLOCK io;
2462
2463 TRACE("%p\n", ObjectAttributes);
2464 status = NtCreateFile( &hFile, GENERIC_READ | GENERIC_WRITE | DELETE,
2465 ObjectAttributes, &io, NULL, 0,
2466 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
2467 FILE_OPEN, FILE_DELETE_ON_CLOSE, NULL, 0 );
2468 if (status == STATUS_SUCCESS) status = NtClose(hFile);
2469 return status;
2470 }
2471
2472 /******************************************************************
2473 * NtCancelIoFile (NTDLL.@)
2474 *
2475 *
2476 */
2477 NTSTATUS WINAPI NtCancelIoFile( HANDLE hFile, PIO_STATUS_BLOCK io_status )
2478 {
2479 LARGE_INTEGER timeout;
2480
2481 TRACE("%p %p\n", hFile, io_status );
2482
2483 SERVER_START_REQ( cancel_async )
2484 {
2485 req->handle = hFile;
2486 wine_server_call( req );
2487 }
2488 SERVER_END_REQ;
2489 /* Let some APC be run, so that we can run the remaining APCs on hFile
2490 * either the cancelation of the pending one, but also the execution
2491 * of the queued APC, but not yet run. This is needed to ensure proper
2492 * clean-up of allocated data.
2493 */
2494 timeout.u.LowPart = timeout.u.HighPart = 0;
2495 return io_status->u.Status = NtDelayExecution( TRUE, &timeout );
2496 }
2497
2498 /******************************************************************************
2499 * NtCreateMailslotFile [NTDLL.@]
2500 * ZwCreateMailslotFile [NTDLL.@]
2501 *
2502 * PARAMS
2503 * pHandle [O] pointer to receive the handle created
2504 * DesiredAccess [I] access mode (read, write, etc)
2505 * ObjectAttributes [I] fully qualified NT path of the mailslot
2506 * IoStatusBlock [O] receives completion status and other info
2507 * CreateOptions [I]
2508 * MailslotQuota [I]
2509 * MaxMessageSize [I]
2510 * TimeOut [I]
2511 *
2512 * RETURNS
2513 * An NT status code
2514 */
2515 NTSTATUS WINAPI NtCreateMailslotFile(PHANDLE pHandle, ULONG DesiredAccess,
2516 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK IoStatusBlock,
2517 ULONG CreateOptions, ULONG MailslotQuota, ULONG MaxMessageSize,
2518 PLARGE_INTEGER TimeOut)
2519 {
2520 LARGE_INTEGER timeout;
2521 NTSTATUS ret;
2522
2523 TRACE("%p %08x %p %p %08x %08x %08x %p\n",
2524 pHandle, DesiredAccess, attr, IoStatusBlock,
2525 CreateOptions, MailslotQuota, MaxMessageSize, TimeOut);
2526
2527 if (!pHandle) return STATUS_ACCESS_VIOLATION;
2528 if (!attr) return STATUS_INVALID_PARAMETER;
2529 if (!attr->ObjectName) return STATUS_OBJECT_PATH_SYNTAX_BAD;
2530
2531 /*
2532 * For a NULL TimeOut pointer set the default timeout value
2533 */
2534 if (!TimeOut)
2535 timeout.QuadPart = -1;
2536 else
2537 timeout.QuadPart = TimeOut->QuadPart;
2538
2539 SERVER_START_REQ( create_mailslot )
2540 {
2541 req->access = DesiredAccess;
2542 req->attributes = attr->Attributes;
2543 req->rootdir = attr->RootDirectory;
2544 req->max_msgsize = MaxMessageSize;
2545 req->read_timeout = timeout.QuadPart;
2546 wine_server_add_data( req, attr->ObjectName->Buffer,
2547 attr->ObjectName->Length );
2548 ret = wine_server_call( req );
2549 if( ret == STATUS_SUCCESS )
2550 *pHandle = reply->handle;
2551 }
2552 SERVER_END_REQ;
2553
2554 return ret;
2555 }
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