2 * Copyright 1999, 2000 Juergen Schmied
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.
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.
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
20 #include "wine/port.h"
30 #ifdef HAVE_SYS_ERRNO_H
31 #include <sys/errno.h>
33 #ifdef HAVE_LINUX_MAJOR_H
34 # include <linux/major.h>
36 #ifdef HAVE_SYS_STATVFS_H
37 # include <sys/statvfs.h>
39 #ifdef HAVE_SYS_PARAM_H
40 # include <sys/param.h>
42 #ifdef HAVE_SYS_TIME_H
43 # include <sys/time.h>
48 #ifdef STATFS_DEFINED_BY_SYS_VFS
51 # ifdef STATFS_DEFINED_BY_SYS_MOUNT
52 # include <sys/mount.h>
54 # ifdef STATFS_DEFINED_BY_SYS_STATFS
55 # include <sys/statfs.h>
60 #ifdef HAVE_IOKIT_IOKITLIB_H
61 # include <IOKit/IOKitLib.h>
62 # include <CoreFoundation/CFNumber.h> /* for kCFBooleanTrue, kCFBooleanFalse */
66 #define NONAMELESSUNION
67 #define NONAMELESSSTRUCT
68 #include "wine/unicode.h"
69 #include "wine/debug.h"
71 #include "wine/server.h"
72 #include "ntdll_misc.h"
77 WINE_DEFAULT_DEBUG_CHANNEL(ntdll
);
79 mode_t FILE_umask
= 0;
81 #define SECSPERDAY 86400
82 #define SECS_1601_TO_1970 ((369 * 365 + 89) * (ULONGLONG)SECSPERDAY)
84 /**************************************************************************
85 * NtOpenFile [NTDLL.@]
86 * ZwOpenFile [NTDLL.@]
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
99 * Success: 0. FileHandle and IoStatusBlock are updated.
100 * Failure: An NTSTATUS error code describing the error.
102 NTSTATUS WINAPI
NtOpenFile( PHANDLE handle
, ACCESS_MASK access
,
103 POBJECT_ATTRIBUTES attr
, PIO_STATUS_BLOCK io
,
104 ULONG sharing
, ULONG options
)
106 return NtCreateFile( handle
, access
, attr
, io
, NULL
, 0,
107 sharing
, FILE_OPEN
, options
, NULL
, 0 );
110 /**************************************************************************
111 * NtCreateFile [NTDLL.@]
112 * ZwCreateFile [NTDLL.@]
114 * Either create a new file or directory, or open an existing file, device,
115 * directory or volume.
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
131 * Success: 0. handle and io are updated.
132 * Failure: An NTSTATUS error code describing the error.
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
)
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
;
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
);
150 if (!attr
|| !attr
->ObjectName
) return STATUS_INVALID_PARAMETER
;
152 if (attr
->RootDirectory
)
154 FIXME( "RootDirectory %p not supported\n", attr
->RootDirectory
);
155 return STATUS_OBJECT_NAME_NOT_FOUND
;
157 if (alloc_size
) FIXME( "alloc_size not supported\n" );
159 /* check for named pipe */
161 if (attr
->ObjectName
->Length
> sizeof(pipeW
) &&
162 !memicmpW( attr
->ObjectName
->Buffer
, pipeW
, sizeof(pipeW
)/sizeof(WCHAR
) ))
164 SERVER_START_REQ( open_named_pipe
)
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
;
178 /* check for mailslot */
180 if (attr
->ObjectName
->Length
> sizeof(mailslotW
) &&
181 !memicmpW( attr
->ObjectName
->Buffer
, mailslotW
, sizeof(mailslotW
)/sizeof(WCHAR
) ))
183 SERVER_START_REQ( open_mailslot
)
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
;
197 io
->u
.Status
= wine_nt_to_unix_file_name( attr
->ObjectName
, &unix_name
, disposition
,
198 !(attr
->Attributes
& OBJ_CASE_INSENSITIVE
) );
200 if (io
->u
.Status
== STATUS_NO_SUCH_FILE
&&
201 disposition
!= FILE_OPEN
&& disposition
!= FILE_OVERWRITE
)
204 io
->u
.Status
= STATUS_SUCCESS
;
207 if (io
->u
.Status
== STATUS_SUCCESS
)
209 SERVER_START_REQ( create_file
)
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
;
222 RtlFreeAnsiString( &unix_name
);
224 else WARN("%s not found (%lx)\n", debugstr_us(attr
->ObjectName
), io
->u
.Status
);
226 if (io
->u
.Status
== STATUS_SUCCESS
)
228 if (created
) io
->Information
= FILE_CREATED
;
229 else switch(disposition
)
232 io
->Information
= FILE_SUPERSEDED
;
235 io
->Information
= FILE_CREATED
;
239 io
->Information
= FILE_OPENED
;
242 case FILE_OVERWRITE_IF
:
243 io
->Information
= FILE_OVERWRITTEN
;
251 /***********************************************************************
252 * Asynchronous file I/O *
254 static void WINAPI
FILE_AsyncReadService(void*, PIO_STATUS_BLOCK
, ULONG
);
255 static void WINAPI
FILE_AsyncWriteService(void*, PIO_STATUS_BLOCK
, ULONG
);
257 typedef struct async_fileio
265 int queue_apc_on_error
;
271 static void fileio_terminate(async_fileio
*fileio
, IO_STATUS_BLOCK
* iosb
)
273 TRACE("data: %p\n", fileio
);
275 wine_server_release_fd( fileio
->handle
, fileio
->fd
);
276 if ( fileio
->event
!= INVALID_HANDLE_VALUE
)
277 NtSetEvent( fileio
->event
, NULL
);
280 (iosb
->u
.Status
== STATUS_SUCCESS
|| fileio
->queue_apc_on_error
))
281 fileio
->apc( fileio
->apc_user
, iosb
, iosb
->Information
);
283 RtlFreeHeap( GetProcessHeap(), 0, fileio
);
287 static ULONG
fileio_queue_async(async_fileio
* fileio
, IO_STATUS_BLOCK
* iosb
,
290 PIO_APC_ROUTINE apc
= do_read
? FILE_AsyncReadService
: FILE_AsyncWriteService
;
293 SERVER_START_REQ( register_async
)
295 req
->handle
= fileio
->handle
;
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
);
306 if ( status
) iosb
->u
.Status
= status
;
307 if ( iosb
->u
.Status
!= STATUS_PENDING
)
309 (apc
)( fileio
, iosb
, iosb
->u
.Status
);
310 return iosb
->u
.Status
;
312 NtCurrentTeb()->num_async_io
++;
313 return STATUS_SUCCESS
;
316 /***********************************************************************
317 * FILE_GetNtStatus(void)
319 * Retrieve the Nt Status code from errno.
320 * Try to be consistent with FILE_SetDosError().
322 NTSTATUS
FILE_GetNtStatus(void)
326 TRACE( "errno = %d\n", errno
);
329 case EAGAIN
: return STATUS_SHARING_VIOLATION
;
330 case EBADF
: return STATUS_INVALID_HANDLE
;
331 case ENOSPC
: return STATUS_DISK_FULL
;
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
;
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
;
345 case ENOMEDIUM
: return STATUS_NO_MEDIA_IN_DEVICE
;
348 case EOPNOTSUPP
:return STATUS_NOT_SUPPORTED
;
349 case ECONNRESET
:return STATUS_PIPE_DISCONNECTED
;
350 case ENOEXEC
: /* ?? */
351 case ESPIPE
: /* ?? */
352 case EEXIST
: /* ?? */
354 FIXME( "Converting errno %d to STATUS_UNSUCCESSFUL\n", err
);
355 return STATUS_UNSUCCESSFUL
;
359 /***********************************************************************
360 * FILE_AsyncReadService (INTERNAL)
362 * This function is called while the client is waiting on the
363 * server, so we can't make any server calls here.
365 static void WINAPI
FILE_AsyncReadService(void *user
, PIO_STATUS_BLOCK iosb
, ULONG status
)
367 async_fileio
*fileio
= (async_fileio
*)user
;
369 int already
= iosb
->Information
;
371 TRACE("%p %p 0x%lx\n", iosb
, fileio
->buffer
, status
);
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
);
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
);
393 if (errno
== EAGAIN
|| errno
== EINTR
)
395 TRACE("Deferred read %d\n", errno
);
396 iosb
->u
.Status
= STATUS_PENDING
;
398 else /* check to see if the transfer is complete */
399 iosb
->u
.Status
= FILE_GetNtStatus();
401 else if (result
== 0)
403 iosb
->u
.Status
= iosb
->Information
? STATUS_SUCCESS
: STATUS_END_OF_FILE
;
407 iosb
->Information
+= result
;
408 if (iosb
->Information
>= fileio
->count
|| fileio
->avail_mode
)
409 iosb
->u
.Status
= STATUS_SUCCESS
;
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)
416 iosb
->u
.Status
= (fileio
->avail_mode
) ? STATUS_SUCCESS
: STATUS_PENDING
;
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");
423 /* queue another async operation ? */
424 if (iosb
->u
.Status
== STATUS_PENDING
)
425 fileio_queue_async(fileio
, iosb
, TRUE
);
427 fileio_terminate(fileio
, iosb
);
430 iosb
->u
.Status
= status
;
431 fileio_terminate(fileio
, iosb
);
437 /******************************************************************************
438 * NtReadFile [NTDLL.@]
439 * ZwReadFile [NTDLL.@]
441 * Read from an open file handle.
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)
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.
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
)
464 int unix_handle
, flags
;
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
);
469 if (!io_status
) return STATUS_ACCESS_VIOLATION
;
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
;
475 if (flags
& FD_FLAG_RECV_SHUTDOWN
)
477 wine_server_release_fd( hFile
, unix_handle
);
478 return STATUS_PIPE_DISCONNECTED
;
481 if (flags
& FD_FLAG_TIMEOUT
)
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
;
490 io_status
->u
.Status
= NtCreateEvent(&hEvent
, EVENT_ALL_ACCESS
, NULL
, 0, 0);
491 if (io_status
->u
.Status
)
493 wine_server_release_fd( hFile
, unix_handle
);
494 return io_status
->u
.Status
;
498 if (flags
& (FD_FLAG_OVERLAPPED
|FD_FLAG_TIMEOUT
))
500 async_fileio
* fileio
;
503 if (!(fileio
= RtlAllocateHeap(GetProcessHeap(), 0, sizeof(async_fileio
))))
505 wine_server_release_fd( hFile
, unix_handle
);
506 if (flags
& FD_FLAG_TIMEOUT
) NtClose(hEvent
);
507 return STATUS_NO_MEMORY
;
509 fileio
->handle
= hFile
;
510 fileio
->count
= length
;
511 if ( offset
== NULL
)
515 fileio
->offset
= offset
->QuadPart
;
516 if (offset
->u
.HighPart
&& fileio
->offset
== offset
->u
.LowPart
)
517 FIXME("High part of offset is lost\n");
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
);
528 io_status
->u
.Status
= STATUS_PENDING
;
529 ret
= fileio_queue_async(fileio
, io_status
, TRUE
);
530 if (ret
!= STATUS_SUCCESS
)
532 wine_server_release_fd( hFile
, unix_handle
);
533 if (flags
& FD_FLAG_TIMEOUT
) NtClose(hEvent
);
536 if (flags
& FD_FLAG_TIMEOUT
)
540 ret
= NtWaitForSingleObject(hEvent
, TRUE
, NULL
);
542 while (ret
== STATUS_USER_APC
&& io_status
->u
.Status
== STATUS_PENDING
);
544 if (ret
!= STATUS_USER_APC
)
545 fileio
->queue_apc_on_error
= 1;
549 LARGE_INTEGER timeout
;
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
559 if (ret
!= STATUS_USER_APC
)
560 fileio
->queue_apc_on_error
= 1;
562 TRACE("= 0x%08lx\n", io_status
->u
.Status
);
563 return io_status
->u
.Status
;
568 FILE_POSITION_INFORMATION fpi
;
570 fpi
.CurrentByteOffset
= *offset
;
571 io_status
->u
.Status
= NtSetInformationFile(hFile
, io_status
, &fpi
, sizeof(fpi
),
572 FilePositionInformation
);
573 if (io_status
->u
.Status
)
575 wine_server_release_fd( hFile
, unix_handle
);
576 return io_status
->u
.Status
;
579 /* code for synchronous reads */
580 while ((io_status
->Information
= read( unix_handle
, buffer
, length
)) == -1)
582 if ((errno
== EAGAIN
) || (errno
== EINTR
)) continue;
585 io_status
->Information
= 0;
586 io_status
->u
.Status
= STATUS_ACCESS_VIOLATION
;
588 else io_status
->u
.Status
= FILE_GetNtStatus();
591 wine_server_release_fd( hFile
, unix_handle
);
592 TRACE("= 0x%08lx\n", io_status
->u
.Status
);
593 return io_status
->u
.Status
;
596 /***********************************************************************
597 * FILE_AsyncWriteService (INTERNAL)
599 * This function is called while the client is waiting on the
600 * server, so we can't make any server calls here.
602 static void WINAPI
FILE_AsyncWriteService(void *ovp
, IO_STATUS_BLOCK
*iosb
, ULONG status
)
604 async_fileio
*fileio
= (async_fileio
*) ovp
;
606 int already
= iosb
->Information
;
608 TRACE("(%p %p 0x%lx)\n",iosb
, fileio
->buffer
, status
);
613 /* write some data (non-blocking) */
614 if ( fileio
->avail_mode
)
615 result
= write(fileio
->fd
, &fileio
->buffer
[already
],
616 fileio
->count
- already
);
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
);
628 if (errno
== EAGAIN
|| errno
== EINTR
) iosb
->u
.Status
= STATUS_PENDING
;
629 else iosb
->u
.Status
= FILE_GetNtStatus();
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
);
638 if (iosb
->u
.Status
== STATUS_PENDING
)
639 fileio_queue_async(fileio
, iosb
, FALSE
);
641 fileio_terminate(fileio
, iosb
);
644 iosb
->u
.Status
= status
;
645 fileio_terminate(fileio
, iosb
);
650 /******************************************************************************
651 * NtWriteFile [NTDLL.@]
652 * ZwWriteFile [NTDLL.@]
654 * Write to an open file handle.
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)
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.
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
)
678 int unix_handle
, flags
;
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
);
683 if (!io_status
) return STATUS_ACCESS_VIOLATION
;
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
;
689 if (flags
& FD_FLAG_SEND_SHUTDOWN
)
691 wine_server_release_fd( hFile
, unix_handle
);
692 return STATUS_PIPE_DISCONNECTED
;
695 if (flags
& FD_FLAG_TIMEOUT
)
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
;
704 io_status
->u
.Status
= NtCreateEvent(&hEvent
, EVENT_ALL_ACCESS
, NULL
, 0, 0);
705 if (io_status
->u
.Status
)
707 wine_server_release_fd( hFile
, unix_handle
);
708 return io_status
->u
.Status
;
712 if (flags
& (FD_FLAG_OVERLAPPED
|FD_FLAG_TIMEOUT
))
714 async_fileio
* fileio
;
717 if (!(fileio
= RtlAllocateHeap(GetProcessHeap(), 0, sizeof(async_fileio
))))
719 wine_server_release_fd( hFile
, unix_handle
);
720 if (flags
& FD_FLAG_TIMEOUT
) NtClose(hEvent
);
721 return STATUS_NO_MEMORY
;
723 fileio
->handle
= hFile
;
724 fileio
->count
= length
;
727 fileio
->offset
= offset
->QuadPart
;
728 if (offset
->u
.HighPart
&& fileio
->offset
== offset
->u
.LowPart
)
729 FIXME("High part of offset is lost\n");
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
);
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
)
749 wine_server_release_fd( hFile
, unix_handle
);
750 if (flags
& FD_FLAG_TIMEOUT
) NtClose(hEvent
);
753 if (flags
& FD_FLAG_TIMEOUT
)
757 ret
= NtWaitForSingleObject(hEvent
, TRUE
, NULL
);
759 while (ret
== STATUS_USER_APC
&& io_status
->u
.Status
== STATUS_PENDING
);
761 if (ret
!= STATUS_USER_APC
)
762 fileio
->queue_apc_on_error
= 1;
766 LARGE_INTEGER timeout
;
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
776 if (ret
!= STATUS_USER_APC
)
777 fileio
->queue_apc_on_error
= 1;
779 return io_status
->u
.Status
;
784 FILE_POSITION_INFORMATION fpi
;
786 fpi
.CurrentByteOffset
= *offset
;
787 io_status
->u
.Status
= NtSetInformationFile(hFile
, io_status
, &fpi
, sizeof(fpi
),
788 FilePositionInformation
);
789 if (io_status
->u
.Status
)
791 wine_server_release_fd( hFile
, unix_handle
);
792 return io_status
->u
.Status
;
796 /* synchronous file write */
797 while ((io_status
->Information
= write( unix_handle
, buffer
, length
)) == -1)
799 if ((errno
== EAGAIN
) || (errno
== EINTR
)) continue;
802 io_status
->Information
= 0;
803 io_status
->u
.Status
= STATUS_INVALID_USER_BUFFER
;
805 else if (errno
== ENOSPC
) io_status
->u
.Status
= STATUS_DISK_FULL
;
806 else io_status
->u
.Status
= FILE_GetNtStatus();
809 wine_server_release_fd( hFile
, unix_handle
);
810 return io_status
->u
.Status
;
813 /**************************************************************************
814 * NtDeviceIoControlFile [NTDLL.@]
815 * ZwDeviceIoControlFile [NTDLL.@]
817 * Perform an I/O control operation on an open file handle.
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
832 * Success: 0. IoStatusBlock is updated.
833 * Failure: An NTSTATUS error code describing the error.
835 NTSTATUS WINAPI
NtDeviceIoControlFile(HANDLE DeviceHandle
, HANDLE hEvent
,
836 PIO_APC_ROUTINE UserApcRoutine
,
837 PVOID UserApcContext
,
838 PIO_STATUS_BLOCK IoStatusBlock
,
841 ULONG InputBufferSize
,
843 ULONG OutputBufferSize
)
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
);
850 if (CDROM_DeviceIoControl(DeviceHandle
, hEvent
,
851 UserApcRoutine
, UserApcContext
,
852 IoStatusBlock
, IoControlCode
,
853 InputBuffer
, InputBufferSize
,
854 OutputBuffer
, OutputBufferSize
) == STATUS_NO_SUCH_DEVICE
)
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
);
862 return IoStatusBlock
->u
.Status
;
865 /******************************************************************************
866 * NtFsControlFile [NTDLL.@]
867 * ZwFsControlFile [NTDLL.@]
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
)
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
);
879 if(!IoStatusBlock
) return STATUS_INVALID_PARAMETER
;
881 switch(IoControlCode
)
883 case FSCTL_PIPE_DISCONNECT
:
884 SERVER_START_REQ(disconnect_named_pipe
)
886 req
->handle
= DeviceHandle
;
887 ret
= wine_server_call(req
);
888 if (!ret
&& reply
->fd
!= -1) close(reply
->fd
);
893 FIXME("Unsupported IoControlCode %lx\n", IoControlCode
);
894 return STATUS_NOT_SUPPORTED
;
898 /******************************************************************************
899 * NtSetVolumeInformationFile [NTDLL.@]
900 * ZwSetVolumeInformationFile [NTDLL.@]
902 * Set volume information for an open file handle.
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
912 * Success: 0. IoStatusBlock is updated.
913 * Failure: An NTSTATUS error code describing the error.
915 NTSTATUS WINAPI
NtSetVolumeInformationFile(
916 IN HANDLE FileHandle
,
917 PIO_STATUS_BLOCK IoStatusBlock
,
920 FS_INFORMATION_CLASS FsInformationClass
)
922 FIXME("(%p,%p,%p,0x%08lx,0x%08x) stub\n",
923 FileHandle
,IoStatusBlock
,FsInformation
,Length
,FsInformationClass
);
927 /******************************************************************************
928 * NtQueryInformationFile [NTDLL.@]
929 * ZwQueryInformationFile [NTDLL.@]
931 * Get information about an open file handle.
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
941 * Success: 0. IoStatusBlock and FileInformation are updated.
942 * Failure: An NTSTATUS error code describing the error.
944 NTSTATUS WINAPI
NtQueryInformationFile( HANDLE hFile
, PIO_STATUS_BLOCK io
,
945 PVOID ptr
, LONG len
, FILE_INFORMATION_CLASS
class )
947 static const size_t info_sizes
[] =
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 */
991 TRACE("(%p,%p,%p,0x%08lx,0x%08x)\n", hFile
, io
, ptr
, len
, class);
995 if (class <= 0 || class >= FileMaximumInformation
)
996 return io
->u
.Status
= STATUS_INVALID_INFO_CLASS
;
997 if (!info_sizes
[class])
999 FIXME("Unsupported class (%d)\n", class);
1000 return io
->u
.Status
= STATUS_NOT_IMPLEMENTED
;
1002 if (len
< info_sizes
[class])
1003 return io
->u
.Status
= STATUS_INFO_LENGTH_MISMATCH
;
1005 if ((io
->u
.Status
= wine_server_handle_to_fd( hFile
, 0, &fd
, NULL
)))
1006 return io
->u
.Status
;
1010 case FileBasicInformation
:
1012 FILE_BASIC_INFORMATION
*info
= ptr
;
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
;
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
);
1031 case FileStandardInformation
:
1033 FILE_STANDARD_INFORMATION
*info
= ptr
;
1035 if (fstat( fd
, &st
) == -1) io
->u
.Status
= FILE_GetNtStatus();
1038 if ((info
->Directory
= S_ISDIR(st
.st_mode
)))
1040 info
->AllocationSize
.QuadPart
= 0;
1041 info
->EndOfFile
.QuadPart
= 0;
1042 info
->NumberOfLinks
= 1;
1043 info
->DeletePending
= FALSE
;
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 */
1055 case FilePositionInformation
:
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
;
1063 case FileInternalInformation
:
1065 FILE_INTERNAL_INFORMATION
*info
= ptr
;
1067 if (fstat( fd
, &st
) == -1) io
->u
.Status
= FILE_GetNtStatus();
1068 else info
->IndexNumber
.QuadPart
= st
.st_ino
;
1071 case FileEaInformation
:
1073 FILE_EA_INFORMATION
*info
= ptr
;
1077 case FileEndOfFileInformation
:
1079 FILE_END_OF_FILE_INFORMATION
*info
= ptr
;
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
;
1085 case FileAllInformation
:
1087 FILE_ALL_INFORMATION
*info
= ptr
;
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
;
1094 if ((info
->StandardInformation
.Directory
= S_ISDIR(st
.st_mode
)))
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
;
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 */
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
);
1127 case FileMailslotQueryInformation
:
1129 FILE_MAILSLOT_QUERY_INFORMATION
*info
= ptr
;
1131 SERVER_START_REQ( set_mailslot_info
)
1133 req
->handle
= hFile
;
1135 io
->u
.Status
= wine_server_call( req
);
1136 if( io
->u
.Status
== STATUS_SUCCESS
)
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;
1149 FIXME("Unsupported class (%d)\n", class);
1150 io
->u
.Status
= STATUS_NOT_IMPLEMENTED
;
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
;
1158 /******************************************************************************
1159 * NtSetInformationFile [NTDLL.@]
1160 * ZwSetInformationFile [NTDLL.@]
1162 * Set information about an open file handle.
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
1172 * Success: 0. io is updated.
1173 * Failure: An NTSTATUS error code describing the error.
1175 NTSTATUS WINAPI
NtSetInformationFile(HANDLE handle
, PIO_STATUS_BLOCK io
,
1176 PVOID ptr
, ULONG len
, FILE_INFORMATION_CLASS
class)
1180 TRACE("(%p,%p,%p,0x%08lx,0x%08x)\n", handle
, io
, ptr
, len
, class);
1182 if ((io
->u
.Status
= wine_server_handle_to_fd( handle
, 0, &fd
, NULL
)))
1183 return io
->u
.Status
;
1185 io
->u
.Status
= STATUS_SUCCESS
;
1188 case FileBasicInformation
:
1189 if (len
>= sizeof(FILE_BASIC_INFORMATION
))
1192 const FILE_BASIC_INFORMATION
*info
= ptr
;
1194 if (info
->LastAccessTime
.QuadPart
|| info
->LastWriteTime
.QuadPart
)
1196 ULONGLONG sec
, nsec
;
1197 struct timeval tv
[2];
1199 if (!info
->LastAccessTime
.QuadPart
|| !info
->LastWriteTime
.QuadPart
)
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
))
1206 tv
[0].tv_sec
= st
.st_atime
;
1207 tv
[1].tv_sec
= st
.st_mtime
;
1210 if (info
->LastAccessTime
.QuadPart
)
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;
1216 if (info
->LastWriteTime
.QuadPart
)
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;
1222 if (futimes( fd
, tv
) == -1) io
->u
.Status
= FILE_GetNtStatus();
1225 if (io
->u
.Status
== STATUS_SUCCESS
&& info
->FileAttributes
)
1227 if (fstat( fd
, &st
) == -1) io
->u
.Status
= FILE_GetNtStatus();
1230 if (info
->FileAttributes
& FILE_ATTRIBUTE_READONLY
)
1232 if (S_ISDIR( st
.st_mode
))
1233 WARN("FILE_ATTRIBUTE_READONLY ignored for directory.\n");
1235 st
.st_mode
&= ~0222; /* clear write permission bits */
1239 /* add write permission only where we already have read permission */
1240 st
.st_mode
|= (0600 | ((st
.st_mode
& 044) >> 1)) & (~FILE_umask
);
1242 if (fchmod( fd
, st
.st_mode
) == -1) io
->u
.Status
= FILE_GetNtStatus();
1246 else io
->u
.Status
= STATUS_INVALID_PARAMETER_3
;
1249 case FilePositionInformation
:
1250 if (len
>= sizeof(FILE_POSITION_INFORMATION
))
1252 const FILE_POSITION_INFORMATION
*info
= ptr
;
1254 if (lseek( fd
, info
->CurrentByteOffset
.QuadPart
, SEEK_SET
) == (off_t
)-1)
1255 io
->u
.Status
= FILE_GetNtStatus();
1257 else io
->u
.Status
= STATUS_INVALID_PARAMETER_3
;
1260 case FileEndOfFileInformation
:
1261 if (len
>= sizeof(FILE_END_OF_FILE_INFORMATION
))
1264 const FILE_END_OF_FILE_INFORMATION
*info
= ptr
;
1266 /* first try normal truncate */
1267 if (ftruncate( fd
, (off_t
)info
->EndOfFile
.QuadPart
) != -1) break;
1269 /* now check for the need to extend the file */
1270 if (fstat( fd
, &st
) != -1 && (off_t
)info
->EndOfFile
.QuadPart
> st
.st_size
)
1272 static const char zero
;
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;
1279 io
->u
.Status
= FILE_GetNtStatus();
1281 else io
->u
.Status
= STATUS_INVALID_PARAMETER_3
;
1284 case FileMailslotSetInformation
:
1286 FILE_MAILSLOT_SET_INFORMATION
*info
= ptr
;
1288 SERVER_START_REQ( set_mailslot_info
)
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
);
1300 FIXME("Unsupported class (%d)\n", class);
1301 io
->u
.Status
= STATUS_NOT_IMPLEMENTED
;
1304 wine_server_release_fd( handle
, fd
);
1305 io
->Information
= 0;
1306 return io
->u
.Status
;
1310 /******************************************************************************
1311 * NtQueryFullAttributesFile (NTDLL.@)
1313 NTSTATUS WINAPI
NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES
*attr
,
1314 FILE_NETWORK_OPEN_INFORMATION
*info
)
1316 ANSI_STRING unix_name
;
1319 if (!(status
= wine_nt_to_unix_file_name( attr
->ObjectName
, &unix_name
, FILE_OPEN
,
1320 !(attr
->Attributes
& OBJ_CASE_INSENSITIVE
) )))
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
;
1330 if (S_ISDIR(st
.st_mode
))
1332 info
->FileAttributes
= FILE_ATTRIBUTE_DIRECTORY
;
1333 info
->AllocationSize
.QuadPart
= 0;
1334 info
->EndOfFile
.QuadPart
= 0;
1338 info
->FileAttributes
= FILE_ATTRIBUTE_ARCHIVE
;
1339 info
->AllocationSize
.QuadPart
= (ULONGLONG
)st
.st_blocks
* 512;
1340 info
->EndOfFile
.QuadPart
= st
.st_size
;
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
;
1351 RtlFreeAnsiString( &unix_name
);
1353 else WARN("%s not found (%lx)\n", debugstr_us(attr
->ObjectName
), status
);
1358 /******************************************************************************
1359 * NtQueryAttributesFile (NTDLL.@)
1360 * ZwQueryAttributesFile (NTDLL.@)
1362 NTSTATUS WINAPI
NtQueryAttributesFile( const OBJECT_ATTRIBUTES
*attr
, FILE_BASIC_INFORMATION
*info
)
1364 FILE_NETWORK_OPEN_INFORMATION full_info
;
1367 if (!(status
= NtQueryFullAttributesFile( attr
, &full_info
)))
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
;
1379 /******************************************************************************
1380 * NtQueryVolumeInformationFile [NTDLL.@]
1381 * ZwQueryVolumeInformationFile [NTDLL.@]
1383 * Get volume information for an open file handle.
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
1393 * Success: 0. io and buffer are updated.
1394 * Failure: An NTSTATUS error code describing the error.
1396 NTSTATUS WINAPI
NtQueryVolumeInformationFile( HANDLE handle
, PIO_STATUS_BLOCK io
,
1397 PVOID buffer
, ULONG length
,
1398 FS_INFORMATION_CLASS info_class
)
1403 if ((io
->u
.Status
= wine_server_handle_to_fd( handle
, 0, &fd
, NULL
)) != STATUS_SUCCESS
)
1404 return io
->u
.Status
;
1406 io
->u
.Status
= STATUS_NOT_IMPLEMENTED
;
1407 io
->Information
= 0;
1409 switch( info_class
)
1411 case FileFsVolumeInformation
:
1412 FIXME( "%p: volume info not supported\n", handle
);
1414 case FileFsLabelInformation
:
1415 FIXME( "%p: label info not supported\n", handle
);
1417 case FileFsSizeInformation
:
1418 if (length
< sizeof(FILE_FS_SIZE_INFORMATION
))
1419 io
->u
.Status
= STATUS_BUFFER_TOO_SMALL
;
1422 FILE_FS_SIZE_INFORMATION
*info
= buffer
;
1424 if (fstat( fd
, &st
) < 0)
1426 io
->u
.Status
= FILE_GetNtStatus();
1429 if (!S_ISREG(st
.st_mode
) && !S_ISDIR(st
.st_mode
))
1431 io
->u
.Status
= STATUS_INVALID_DEVICE_REQUEST
;
1435 /* Linux's fstatvfs is buggy */
1436 #if !defined(linux) || !defined(HAVE_FSTATFS)
1437 struct statvfs stfs
;
1439 if (fstatvfs( fd
, &stfs
) < 0)
1441 io
->u
.Status
= FILE_GetNtStatus();
1444 info
->BytesPerSector
= stfs
.f_frsize
;
1447 if (fstatfs( fd
, &stfs
) < 0)
1449 io
->u
.Status
= FILE_GetNtStatus();
1452 info
->BytesPerSector
= stfs
.f_bsize
;
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
;
1462 case FileFsDeviceInformation
:
1463 if (length
< sizeof(FILE_FS_DEVICE_INFORMATION
))
1464 io
->u
.Status
= STATUS_BUFFER_TOO_SMALL
;
1467 FILE_FS_DEVICE_INFORMATION
*info
= buffer
;
1469 info
->Characteristics
= 0;
1470 if (fstat( fd
, &st
) < 0)
1472 io
->u
.Status
= FILE_GetNtStatus();
1475 if (S_ISCHR( st
.st_mode
))
1477 info
->DeviceType
= FILE_DEVICE_UNKNOWN
;
1479 switch(major(st
.st_rdev
))
1482 info
->DeviceType
= FILE_DEVICE_NULL
;
1485 info
->DeviceType
= FILE_DEVICE_SERIAL_PORT
;
1488 info
->DeviceType
= FILE_DEVICE_PARALLEL_PORT
;
1493 else if (S_ISBLK( st
.st_mode
))
1495 info
->DeviceType
= FILE_DEVICE_DISK
;
1497 else if (S_ISFIFO( st
.st_mode
) || S_ISSOCK( st
.st_mode
))
1499 info
->DeviceType
= FILE_DEVICE_NAMED_PIPE
;
1501 else /* regular file or directory */
1503 #if defined(linux) && defined(HAVE_FSTATFS)
1506 /* check for floppy disk */
1507 if (major(st
.st_dev
) == FLOPPY_MAJOR
)
1508 info
->Characteristics
|= FILE_REMOVABLE_MEDIA
;
1510 if (fstatfs( fd
, &stfs
) < 0) stfs
.f_type
= 0;
1511 switch (stfs
.f_type
)
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
;
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
;
1524 case 0x01021994: /* tmpfs */
1525 case 0x28cd3d45: /* cramfs */
1526 case 0x1373: /* devfs */
1527 case 0x9fa0: /* procfs */
1528 info
->DeviceType
= FILE_DEVICE_VIRTUAL_DISK
;
1531 info
->DeviceType
= FILE_DEVICE_DISK_FILE_SYSTEM
;
1534 #elif defined(__FreeBSD__)
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.
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
)))
1546 info
->DeviceType
= FILE_DEVICE_CD_ROM_FILE_SYSTEM
;
1547 /* Don't assume read-only, let the mount options set it
1550 info
->Characteristics
|= FILE_REMOVABLE_MEDIA
;
1552 else if (!strncmp("nfs", stfs
.f_fstypename
,
1553 sizeof(stfs
.f_fstypename
)))
1555 info
->DeviceType
= FILE_DEVICE_NETWORK_FILE_SYSTEM
;
1556 info
->Characteristics
|= FILE_REMOTE_DEVICE
;
1558 else if (!strncmp("nwfs", stfs
.f_fstypename
,
1559 sizeof(stfs
.f_fstypename
)))
1561 info
->DeviceType
= FILE_DEVICE_NETWORK_FILE_SYSTEM
;
1562 info
->Characteristics
|= FILE_REMOTE_DEVICE
;
1564 else if (!strncmp("procfs", stfs
.f_fstypename
,
1565 sizeof(stfs
.f_fstypename
)))
1566 info
->DeviceType
= FILE_DEVICE_VIRTUAL_DISK
;
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
))
1573 info
->DeviceType
= FILE_DEVICE_NETWORK_FILE_SYSTEM
;
1574 info
->Characteristics
|= FILE_REMOTE_DEVICE
;
1576 #elif defined (__APPLE__)
1579 info
->DeviceType
= FILE_DEVICE_DISK_FILE_SYSTEM
;
1581 if (fstatfs( fd
, &stfs
) < 0) break;
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
;
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;
1592 kernResult
= IOMasterPort(MACH_PORT_NULL
, &masterPort
);
1594 if (kernResult
== KERN_SUCCESS
)
1596 CFMutableDictionaryRef matching
= IOBSDNameMatching(masterPort
, 0, bsdName
);
1600 CFMutableDictionaryRef properties
;
1601 io_service_t devService
= IOServiceGetMatchingService(masterPort
, matching
);
1603 if (IORegistryEntryCreateCFProperties(devService
,
1605 kCFAllocatorDefault
, 0) != KERN_SUCCESS
)
1608 CFDictionaryGetValue(properties
, CFSTR("Removable")),
1610 ) info
->Characteristics
|= FILE_REMOVABLE_MEDIA
;
1613 CFDictionaryGetValue(properties
, CFSTR("Writable")),
1615 ) info
->Characteristics
|= FILE_READ_ONLY_DEVICE
;
1618 NB : mounted disk image (.img/.dmg) don't provide specific type
1621 if ( (type
= CFDictionaryGetValue(properties
, CFSTR("Type"))) )
1623 if ( CFStringCompare(type
, CFSTR("CD-ROM"), 0) == kCFCompareEqualTo
1624 || CFStringCompare(type
, CFSTR("DVD-ROM"), 0) == kCFCompareEqualTo
1627 info
->DeviceType
= FILE_DEVICE_CD_ROM_FILE_SYSTEM
;
1632 CFRelease(properties
);
1636 /* Use dkio to work out device types */
1638 # include <sys/dkio.h>
1639 # include <sys/vtoc.h>
1640 struct dk_cinfo dkinf
;
1641 int retval
= ioctl(fd
, DKIOCINFO
, &dkinf
);
1643 WARN("Unable to get disk device type information - assuming a disk like device\n");
1644 info
->DeviceType
= FILE_DEVICE_DISK_FILE_SYSTEM
;
1646 switch (dkinf
.dki_ctype
)
1649 info
->DeviceType
= FILE_DEVICE_CD_ROM_FILE_SYSTEM
;
1650 info
->Characteristics
|= FILE_REMOVABLE_MEDIA
|FILE_READ_ONLY_DEVICE
;
1654 case DKC_INTEL82072
:
1655 case DKC_INTEL82077
:
1656 info
->DeviceType
= FILE_DEVICE_DISK_FILE_SYSTEM
;
1657 info
->Characteristics
|= FILE_REMOVABLE_MEDIA
;
1660 info
->DeviceType
= FILE_DEVICE_VIRTUAL_DISK
;
1663 info
->DeviceType
= FILE_DEVICE_DISK_FILE_SYSTEM
;
1668 if (!warned
++) FIXME( "device info not properly supported on this platform\n" );
1669 info
->DeviceType
= FILE_DEVICE_DISK_FILE_SYSTEM
;
1671 info
->Characteristics
|= FILE_DEVICE_IS_MOUNTED
;
1673 io
->Information
= sizeof(*info
);
1674 io
->u
.Status
= STATUS_SUCCESS
;
1677 case FileFsAttributeInformation
:
1678 FIXME( "%p: attribute info not supported\n", handle
);
1680 case FileFsControlInformation
:
1681 FIXME( "%p: control info not supported\n", handle
);
1683 case FileFsFullSizeInformation
:
1684 FIXME( "%p: full size info not supported\n", handle
);
1686 case FileFsObjectIdInformation
:
1687 FIXME( "%p: object id info not supported\n", handle
);
1689 case FileFsMaximumInformation
:
1690 FIXME( "%p: maximum info not supported\n", handle
);
1693 io
->u
.Status
= STATUS_INVALID_PARAMETER
;
1696 wine_server_release_fd( handle
, fd
);
1697 return io
->u
.Status
;
1701 /******************************************************************
1702 * NtFlushBuffersFile (NTDLL.@)
1704 * Flush any buffered data on an open file handle.
1707 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1708 * IoStatusBlock [O] Receives information about the operation on return
1711 * Success: 0. IoStatusBlock is updated.
1712 * Failure: An NTSTATUS error code describing the error.
1714 NTSTATUS WINAPI
NtFlushBuffersFile( HANDLE hFile
, IO_STATUS_BLOCK
* IoStatusBlock
)
1717 HANDLE hEvent
= NULL
;
1719 SERVER_START_REQ( flush_file
)
1721 req
->handle
= hFile
;
1722 ret
= wine_server_call( req
);
1723 hEvent
= reply
->event
;
1728 ret
= NtWaitForSingleObject( hEvent
, FALSE
, NULL
);
1734 /******************************************************************
1735 * NtLockFile (NTDLL.@)
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
,
1749 if (apc
|| io_status
|| key
)
1751 FIXME("Unimplemented yet parameter\n");
1752 return STATUS_NOT_IMPLEMENTED
;
1757 SERVER_START_REQ( lock_file
)
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
;
1771 if (ret
!= STATUS_PENDING
)
1773 if (!ret
&& lock_granted_event
) NtSetEvent(lock_granted_event
, NULL
);
1779 FIXME( "Async I/O lock wait not implemented, might deadlock\n" );
1780 if (handle
) NtClose( handle
);
1781 return STATUS_PENDING
;
1785 NtWaitForSingleObject( handle
, FALSE
, NULL
);
1792 /* Unix lock conflict, sleep a bit and retry */
1793 time
.QuadPart
= 100 * (ULONGLONG
)10000;
1794 time
.QuadPart
= -time
.QuadPart
;
1795 NtDelayExecution( FALSE
, &time
);
1801 /******************************************************************
1802 * NtUnlockFile (NTDLL.@)
1806 NTSTATUS WINAPI
NtUnlockFile( HANDLE hFile
, PIO_STATUS_BLOCK io_status
,
1807 PLARGE_INTEGER offset
, PLARGE_INTEGER count
,
1812 TRACE( "%p %lx%08lx %lx%08lx\n",
1813 hFile
, offset
->u
.HighPart
, offset
->u
.LowPart
, count
->u
.HighPart
, count
->u
.LowPart
);
1815 if (io_status
|| key
)
1817 FIXME("Unimplemented yet parameter\n");
1818 return STATUS_NOT_IMPLEMENTED
;
1821 SERVER_START_REQ( unlock_file
)
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
);
1834 /******************************************************************
1835 * NtCreateNamedPipeFile (NTDLL.@)
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
)
1848 static const WCHAR leadin
[] = {'\\','?','?','\\','P','I','P','E','\\'};
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
);
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
));
1863 SERVER_START_REQ( create_named_pipe
)
1865 req
->options
= options
; /* FIXME not used in server yet !!!! */
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
;
1884 /******************************************************************
1885 * NtDeleteFile (NTDLL.@)
1889 NTSTATUS WINAPI
NtDeleteFile( POBJECT_ATTRIBUTES ObjectAttributes
)
1895 TRACE("%p\n", ObjectAttributes
);
1896 status
= NtCreateFile( &hFile
, GENERIC_READ
| GENERIC_WRITE
, ObjectAttributes
,
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
);
1904 /******************************************************************
1905 * NtCancelIoFile (NTDLL.@)
1909 NTSTATUS WINAPI
NtCancelIoFile( HANDLE hFile
, PIO_STATUS_BLOCK io_status
)
1911 LARGE_INTEGER timeout
;
1913 TRACE("%p %p\n", hFile
, io_status
);
1915 SERVER_START_REQ( cancel_async
)
1917 req
->handle
= hFile
;
1918 wine_server_call( 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.
1926 timeout
.u
.LowPart
= timeout
.u
.HighPart
= 0;
1927 return io_status
->u
.Status
= NtDelayExecution( TRUE
, &timeout
);
1930 /******************************************************************************
1931 * NtCreateMailslotFile [NTDLL.@]
1932 * ZwCreateMailslotFile [NTDLL.@]
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
1941 * MaxMessageSize [I]
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
)
1952 static const WCHAR leadin
[] = {
1953 '\\','?','?','\\','M','A','I','L','S','L','O','T','\\'};
1956 TRACE("%p %08lx %p %p %08lx %08lx %08lx %p\n",
1957 pHandle
, DesiredAccess
, attr
, IoStatusBlock
,
1958 CreateOptions
, MailslotQuota
, MaxMessageSize
, TimeOut
);
1960 if (attr
->ObjectName
->Length
< sizeof(leadin
) ||
1961 strncmpiW( attr
->ObjectName
->Buffer
,
1962 leadin
, sizeof(leadin
)/sizeof(leadin
[0]) ))
1964 return STATUS_OBJECT_NAME_INVALID
;
1967 SERVER_START_REQ( create_mailslot
)
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
;