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wine/dlls/ntdll/file.c
Eric Pouech 583bb3fd3e - started implementing ntdll.NtDeviceIoControlFile and made 
kernel32.DeviceIoControl call it
- changed cdrom ioctl function's prototype to stick to
  ntdll.NtDeviceIoControlFile signature
2003-06-24 19:28:21 +00:00

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/*
* Copyright 1999, 2000 Juergen Schmied
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "wine/port.h"
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_SYS_ERRNO_H
#include <sys/errno.h>
#endif
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "wine/unicode.h"
#include "wine/debug.h"
#include "wine/server.h"
#include "ntdll_misc.h"
#include "file.h" /* FIXME */
#include "winternl.h"
#include "winioctl.h"
WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
/**************************************************************************
* NtOpenFile [NTDLL.@]
* ZwOpenFile [NTDLL.@]
* FUNCTION: Opens a file
* ARGUMENTS:
* FileHandle Variable that receives the file handle on return
* DesiredAccess Access desired by the caller to the file
* ObjectAttributes Structue describing the file to be opened
* IoStatusBlock Receives details about the result of the operation
* ShareAccess Type of shared access the caller requires
* OpenOptions Options for the file open
*/
NTSTATUS WINAPI NtOpenFile(
OUT PHANDLE FileHandle,
ACCESS_MASK DesiredAccess,
POBJECT_ATTRIBUTES ObjectAttributes,
OUT PIO_STATUS_BLOCK IoStatusBlock,
ULONG ShareAccess,
ULONG OpenOptions)
{
LPWSTR filename;
static const WCHAR szDosDevices[] = {'\\','D','o','s','D','e','v','i','c','e','s','\\',0};
DOS_FULL_NAME full_name;
NTSTATUS r;
FIXME("(%p,0x%08lx,%p,%p,0x%08lx,0x%08lx) partial stub\n",
FileHandle, DesiredAccess, ObjectAttributes,
IoStatusBlock, ShareAccess, OpenOptions);
dump_ObjectAttributes (ObjectAttributes);
if(ObjectAttributes->RootDirectory)
{
FIXME("Object root directory unknown %p\n",
ObjectAttributes->RootDirectory);
return STATUS_OBJECT_NAME_NOT_FOUND;
}
filename = ObjectAttributes->ObjectName->Buffer;
/* FIXME: DOSFS stuff should call here, not vice-versa */
if(strncmpW(filename, szDosDevices, strlenW(szDosDevices)))
return STATUS_OBJECT_NAME_NOT_FOUND;
/* FIXME: this calls SetLastError() -> bad */
if(!DOSFS_GetFullName(&filename[strlenW(szDosDevices)], TRUE,
&full_name))
return STATUS_OBJECT_NAME_NOT_FOUND;
/* FIXME: modify server protocol so
create file takes an OBJECT_ATTRIBUTES structure */
SERVER_START_REQ( create_file )
{
req->access = DesiredAccess;
req->inherit = 0;
req->sharing = ShareAccess;
req->create = OPEN_EXISTING;
req->attrs = 0;
req->drive_type = GetDriveTypeW( full_name.short_name );
wine_server_add_data( req, full_name.long_name, strlen(full_name.long_name) );
SetLastError(0);
r = wine_server_call( req );
*FileHandle = reply->handle;
}
SERVER_END_REQ;
return r;
}
/**************************************************************************
* NtCreateFile [NTDLL.@]
* ZwCreateFile [NTDLL.@]
* FUNCTION: Either causes a new file or directory to be created, or it opens
* an existing file, device, directory or volume, giving the caller a handle
* for the file object. This handle can be used by subsequent calls to
* manipulate data within the file or the file object's state of attributes.
* ARGUMENTS:
* FileHandle Points to a variable which receives the file handle on return
* DesiredAccess Desired access to the file
* ObjectAttributes Structure describing the file
* IoStatusBlock Receives information about the operation on return
* AllocationSize Initial size of the file in bytes
* FileAttributes Attributes to create the file with
* ShareAccess Type of shared access the caller would like to the file
* CreateDisposition Specifies what to do, depending on whether the file already exists
* CreateOptions Options for creating a new file
* EaBuffer Undocumented
* EaLength Undocumented
*/
NTSTATUS WINAPI NtCreateFile(
OUT PHANDLE FileHandle,
ACCESS_MASK DesiredAccess,
POBJECT_ATTRIBUTES ObjectAttributes,
OUT PIO_STATUS_BLOCK IoStatusBlock,
PLARGE_INTEGER AllocateSize,
ULONG FileAttributes,
ULONG ShareAccess,
ULONG CreateDisposition,
ULONG CreateOptions,
PVOID EaBuffer,
ULONG EaLength)
{
FIXME("(%p,0x%08lx,%p,%p,%p,0x%08lx,0x%08lx,0x%08lx,0x%08lx,%p,0x%08lx) stub\n",
FileHandle,DesiredAccess,ObjectAttributes,
IoStatusBlock,AllocateSize,FileAttributes,
ShareAccess,CreateDisposition,CreateOptions,EaBuffer,EaLength);
dump_ObjectAttributes (ObjectAttributes);
return 0;
}
/* set the last error depending on errno */
NTSTATUS NTFILE_errno_to_status(int val)
{
switch (val)
{
case EAGAIN: return ( STATUS_SHARING_VIOLATION );
case ESPIPE:
case EBADF: return ( STATUS_INVALID_HANDLE );
case ENOSPC: return ( STATUS_DISK_FULL );
case EACCES:
case ESRCH:
case EPERM: return ( STATUS_ACCESS_DENIED );
case EROFS: return ( STATUS_MEDIA_WRITE_PROTECTED );
case EBUSY: return ( STATUS_FILE_LOCK_CONFLICT );
case ENOENT: return ( STATUS_NO_SUCH_FILE );
case EISDIR: return ( STATUS_FILE_IS_A_DIRECTORY );
case ENFILE:
case EMFILE: return ( STATUS_NO_MORE_FILES );
case EEXIST: return ( STATUS_OBJECT_NAME_COLLISION );
case EINVAL: return ( STATUS_INVALID_PARAMETER );
case ENOTEMPTY: return ( STATUS_DIRECTORY_NOT_EMPTY );
case EIO: return ( STATUS_ACCESS_VIOLATION );
}
perror("file_set_error");
return ( STATUS_INVALID_PARAMETER );
}
/******************************************************************************
* NtReadFile [NTDLL.@]
* ZwReadFile [NTDLL.@]
*
* Parameters
* HANDLE32 FileHandle
* HANDLE32 Event OPTIONAL
* PIO_APC_ROUTINE ApcRoutine OPTIONAL
* PVOID ApcContext OPTIONAL
* PIO_STATUS_BLOCK IoStatusBlock
* PVOID Buffer
* ULONG Length
* PLARGE_INTEGER ByteOffset OPTIONAL
* PULONG Key OPTIONAL
*
* IoStatusBlock->Information contains the number of bytes read on return.
*/
NTSTATUS WINAPI NtReadFile (
HANDLE FileHandle,
HANDLE EventHandle,
PIO_APC_ROUTINE ApcRoutine,
PVOID ApcContext,
PIO_STATUS_BLOCK IoStatusBlock,
PVOID Buffer,
ULONG Length,
PLARGE_INTEGER ByteOffset,
PULONG Key)
{
int fd, result, flags, ret;
enum fd_type type;
FIXME("(%p,%p,%p,%p,%p,%p,0x%08lx,%p,%p),partial stub!\n",
FileHandle,EventHandle,ApcRoutine,ApcContext,IoStatusBlock,Buffer,Length,ByteOffset,Key);
if (IsBadWritePtr( Buffer, Length ) ||
IsBadWritePtr( IoStatusBlock, sizeof(*IoStatusBlock)) ||
IsBadWritePtr( ByteOffset, sizeof(*ByteOffset)) )
return STATUS_ACCESS_VIOLATION;
IoStatusBlock->Information = 0;
ret = wine_server_handle_to_fd( FileHandle, GENERIC_READ, &fd, &type, &flags );
if(ret)
return ret;
/* FIXME: this code only does synchronous reads so far */
/* FIXME: depending on how libc implements this, between two processes
there could be a race condition between the seek and read here */
do
{
result = pread( fd, Buffer, Length, ByteOffset->QuadPart);
}
while ( (result == -1) && ((errno == EAGAIN) || (errno == EINTR)) );
close( fd );
if (result == -1)
{
return IoStatusBlock->u.Status = NTFILE_errno_to_status(errno);
}
IoStatusBlock->Information = result;
IoStatusBlock->u.Status = 0;
return STATUS_SUCCESS;
}
/******************************************************************************
* NtWriteFile [NTDLL.@]
* ZwWriteFile [NTDLL.@]
*
* Parameters
* HANDLE32 FileHandle
* HANDLE32 Event OPTIONAL
* PIO_APC_ROUTINE ApcRoutine OPTIONAL
* PVOID ApcContext OPTIONAL
* PIO_STATUS_BLOCK IoStatusBlock
* PVOID Buffer
* ULONG Length
* PLARGE_INTEGER ByteOffset OPTIONAL
* PULONG Key OPTIONAL
*/
NTSTATUS WINAPI NtWriteFile (
HANDLE FileHandle,
HANDLE EventHandle,
PIO_APC_ROUTINE ApcRoutine,
PVOID ApcContext,
PIO_STATUS_BLOCK IoStatusBlock,
PVOID Buffer,
ULONG Length,
PLARGE_INTEGER ByteOffset,
PULONG Key)
{
FIXME("(%p,%p,%p,%p,%p,%p,0x%08lx,%p,%p),stub!\n",
FileHandle,EventHandle,ApcRoutine,ApcContext,IoStatusBlock,Buffer,Length,ByteOffset,Key);
return 0;
}
/**************************************************************************
* NtDeviceIoControlFile [NTDLL.@]
* ZwDeviceIoControlFile [NTDLL.@]
*/
NTSTATUS WINAPI NtDeviceIoControlFile(HANDLE DeviceHandle, HANDLE hEvent,
PIO_APC_ROUTINE UserApcRoutine,
PVOID UserApcContext,
PIO_STATUS_BLOCK IoStatusBlock,
ULONG IoControlCode,
PVOID InputBuffer,
ULONG InputBufferSize,
PVOID OutputBuffer,
ULONG OutputBufferSize)
{
DWORD clientID = 0;
char str[3];
TRACE("(%p,%p,%p,%p,%p,0x%08lx,%p,0x%08lx,%p,0x%08lx)\n",
DeviceHandle, hEvent, UserApcRoutine, UserApcContext,
IoStatusBlock, IoControlCode,
InputBuffer, InputBufferSize, OutputBuffer, OutputBufferSize);
/* FIXME: clientID hack should disappear */
SERVER_START_REQ( get_device_id )
{
req->handle = DeviceHandle;
if (!wine_server_call( req )) clientID = reply->id;
}
SERVER_END_REQ;
if (!clientID) return STATUS_INVALID_PARAMETER;
strcpy(str, "A:");
str[0] += LOBYTE(clientID);
/* FIXME: should use the NTDLL equivalent */
if (GetDriveTypeA(str) == DRIVE_CDROM)
{
return CDROM_DeviceIoControl(clientID, DeviceHandle, hEvent,
UserApcRoutine, UserApcContext,
IoStatusBlock, IoControlCode,
InputBuffer, InputBufferSize,
OutputBuffer, OutputBufferSize);
}
FIXME("Unimplemented dwIoControlCode=%08lx\n", IoControlCode);
IoStatusBlock->u.Status = STATUS_NOT_IMPLEMENTED;
IoStatusBlock->Information = 0;
if (hEvent) NtSetEvent(hEvent, NULL);
return STATUS_NOT_IMPLEMENTED;
}
/******************************************************************************
* NtFsControlFile [NTDLL.@]
* ZwFsControlFile [NTDLL.@]
*/
NTSTATUS WINAPI NtFsControlFile(
IN HANDLE DeviceHandle,
IN HANDLE Event OPTIONAL,
IN PIO_APC_ROUTINE ApcRoutine OPTIONAL,
IN PVOID ApcContext OPTIONAL,
OUT PIO_STATUS_BLOCK IoStatusBlock,
IN ULONG IoControlCode,
IN PVOID InputBuffer,
IN ULONG InputBufferSize,
OUT PVOID OutputBuffer,
IN ULONG OutputBufferSize)
{
FIXME("(%p,%p,%p,%p,%p,0x%08lx,%p,0x%08lx,%p,0x%08lx): stub\n",
DeviceHandle,Event,ApcRoutine,ApcContext,IoStatusBlock,IoControlCode,
InputBuffer,InputBufferSize,OutputBuffer,OutputBufferSize);
return 0;
}
/******************************************************************************
* NtSetVolumeInformationFile [NTDLL.@]
* ZwSetVolumeInformationFile [NTDLL.@]
*/
NTSTATUS WINAPI NtSetVolumeInformationFile(
IN HANDLE FileHandle,
PIO_STATUS_BLOCK IoStatusBlock,
PVOID FsInformation,
ULONG Length,
FS_INFORMATION_CLASS FsInformationClass)
{
FIXME("(%p,%p,%p,0x%08lx,0x%08x) stub\n",
FileHandle,IoStatusBlock,FsInformation,Length,FsInformationClass);
return 0;
}
/******************************************************************************
* NtQueryInformationFile [NTDLL.@]
* ZwQueryInformationFile [NTDLL.@]
*/
NTSTATUS WINAPI NtQueryInformationFile(HANDLE hFile, PIO_STATUS_BLOCK io_status,
PVOID ptr, LONG len,
FILE_INFORMATION_CLASS class)
{
NTSTATUS status;
LONG used = 0;
BYTE answer[256];
time_t ct = 0, wt = 0, at = 0;
TRACE("(%p,%p,%p,0x%08lx,0x%08x)\n", hFile, io_status, ptr, len, class);
switch (class)
{
case FileBasicInformation:
{
FILE_BASIC_INFORMATION* fbi = (FILE_BASIC_INFORMATION*)answer;
if (sizeof(answer) < sizeof(*fbi)) goto too_small;
SERVER_START_REQ( get_file_info )
{
req->handle = hFile;
if (!(status = wine_server_call( req )))
{
/* FIXME: which file types are supported ?
* Serial ports (FILE_TYPE_CHAR) are not,
* and MSDN also says that pipes are not supported.
* FILE_TYPE_REMOTE seems to be supported according to
* MSDN q234741.txt */
if ((reply->type == FILE_TYPE_DISK) ||
(reply->type == FILE_TYPE_REMOTE))
{
at = reply->access_time;
wt = reply->write_time;
ct = reply->change_time;
fbi->FileAttributes = reply->attr;
used = sizeof(*fbi);
}
else status = STATUS_INVALID_HANDLE; /* FIXME ??? */
}
}
SERVER_END_REQ;
if (used)
{
RtlSecondsSince1970ToTime(wt, &fbi->CreationTime);
RtlSecondsSince1970ToTime(wt, &fbi->LastWriteTime);
RtlSecondsSince1970ToTime(ct, &fbi->ChangeTime);
RtlSecondsSince1970ToTime(at, &fbi->LastAccessTime);
}
}
break;
case FileStandardInformation:
{
FILE_STANDARD_INFORMATION* fsi = (FILE_STANDARD_INFORMATION*)answer;
if (sizeof(answer) < sizeof(*fsi)) goto too_small;
SERVER_START_REQ( get_file_info )
{
req->handle = hFile;
if (!(status = wine_server_call( req )))
{
/* FIXME: which file types are supported ?
* Serial ports (FILE_TYPE_CHAR) are not,
* and MSDN also says that pipes are not supported.
* FILE_TYPE_REMOTE seems to be supported according to
* MSDN q234741.txt */
if ((reply->type == FILE_TYPE_DISK) ||
(reply->type == FILE_TYPE_REMOTE))
{
fsi->AllocationSize.s.HighPart = reply->alloc_high;
fsi->AllocationSize.s.LowPart = reply->alloc_low;
fsi->EndOfFile.s.HighPart = reply->size_high;
fsi->EndOfFile.s.LowPart = reply->size_low;
fsi->NumberOfLinks = reply->links;
fsi->DeletePending = FALSE; /* FIXME */
fsi->Directory = (reply->attr & FILE_ATTRIBUTE_DIRECTORY);
used = sizeof(*fsi);
}
else status = STATUS_INVALID_HANDLE; /* FIXME ??? */
}
}
SERVER_END_REQ;
}
break;
case FilePositionInformation:
{
FILE_POSITION_INFORMATION* fpi = (FILE_POSITION_INFORMATION*)answer;
if (sizeof(answer) < sizeof(*fpi)) goto too_small;
SERVER_START_REQ( set_file_pointer )
{
req->handle = hFile;
req->low = 0;
req->high = 0;
req->whence = SEEK_CUR;
if (!(status = wine_server_call( req )))
{
fpi->CurrentByteOffset.s.HighPart = reply->new_high;
fpi->CurrentByteOffset.s.LowPart = reply->new_low;
used = sizeof(*fpi);
}
}
SERVER_END_REQ;
}
break;
default:
FIXME("Unsupported class (%d)\n", class);
return io_status->u.Status = STATUS_NOT_IMPLEMENTED;
}
if (used) memcpy(ptr, answer, min(used, len));
io_status->u.Status = status;
io_status->Information = len;
return status;
too_small:
io_status->Information = 0;
return io_status->u.Status = STATUS_BUFFER_TOO_SMALL;
}
/******************************************************************************
* NtSetInformationFile [NTDLL.@]
* ZwSetInformationFile [NTDLL.@]
*/
NTSTATUS WINAPI NtSetInformationFile(HANDLE hFile, PIO_STATUS_BLOCK io_status,
PVOID ptr, ULONG len,
FILE_INFORMATION_CLASS class)
{
NTSTATUS status = STATUS_INVALID_PARAMETER_3;
TRACE("(%p,%p,%p,0x%08lx,0x%08x)\n", hFile, io_status, ptr, len, class);
switch (class)
{
case FilePositionInformation:
if (len >= sizeof(FILE_POSITION_INFORMATION))
{
FILE_POSITION_INFORMATION* fpi = (FILE_POSITION_INFORMATION*)ptr;
SERVER_START_REQ( set_file_pointer )
{
req->handle = hFile;
req->low = fpi->CurrentByteOffset.s.LowPart;
req->high = fpi->CurrentByteOffset.s.HighPart;
req->whence = SEEK_SET;
status = wine_server_call( req );
}
SERVER_END_REQ;
status = STATUS_SUCCESS;
}
break;
default:
FIXME("Unsupported class (%d)\n", class);
return STATUS_NOT_IMPLEMENTED;
}
io_status->u.Status = status;
io_status->Information = 0;
return status;
}
/******************************************************************************
* NtQueryDirectoryFile [NTDLL.@]
* ZwQueryDirectoryFile [NTDLL.@]
* ZwQueryDirectoryFile
*/
NTSTATUS WINAPI NtQueryDirectoryFile(
IN HANDLE FileHandle,
IN HANDLE Event OPTIONAL,
IN PIO_APC_ROUTINE ApcRoutine OPTIONAL,
IN PVOID ApcContext OPTIONAL,
OUT PIO_STATUS_BLOCK IoStatusBlock,
OUT PVOID FileInformation,
IN ULONG Length,
IN FILE_INFORMATION_CLASS FileInformationClass,
IN BOOLEAN ReturnSingleEntry,
IN PUNICODE_STRING FileName OPTIONAL,
IN BOOLEAN RestartScan)
{
FIXME("(%p %p %p %p %p %p 0x%08lx 0x%08x 0x%08x %p 0x%08x\n",
FileHandle, Event, ApcRoutine, ApcContext, IoStatusBlock, FileInformation,
Length, FileInformationClass, ReturnSingleEntry,
debugstr_us(FileName),RestartScan);
return 0;
}
/******************************************************************************
* NtQueryVolumeInformationFile [NTDLL.@]
* ZwQueryVolumeInformationFile [NTDLL.@]
*/
NTSTATUS WINAPI NtQueryVolumeInformationFile (
IN HANDLE FileHandle,
OUT PIO_STATUS_BLOCK IoStatusBlock,
OUT PVOID FSInformation,
IN ULONG Length,
IN FS_INFORMATION_CLASS FSInformationClass)
{
ULONG len = 0;
FIXME("(%p %p %p 0x%08lx 0x%08x) stub!\n",
FileHandle, IoStatusBlock, FSInformation, Length, FSInformationClass);
switch ( FSInformationClass )
{
case FileFsVolumeInformation:
len = sizeof( FILE_FS_VOLUME_INFORMATION );
break;
case FileFsLabelInformation:
len = 0;
break;
case FileFsSizeInformation:
len = sizeof( FILE_FS_SIZE_INFORMATION );
break;
case FileFsDeviceInformation:
len = sizeof( FILE_FS_DEVICE_INFORMATION );
break;
case FileFsAttributeInformation:
len = sizeof( FILE_FS_ATTRIBUTE_INFORMATION );
break;
case FileFsControlInformation:
len = 0;
break;
case FileFsFullSizeInformation:
len = 0;
break;
case FileFsObjectIdInformation:
len = 0;
break;
case FileFsMaximumInformation:
len = 0;
break;
}
if (Length < len)
return STATUS_BUFFER_TOO_SMALL;
switch ( FSInformationClass )
{
case FileFsVolumeInformation:
break;
case FileFsLabelInformation:
break;
case FileFsSizeInformation:
break;
case FileFsDeviceInformation:
if (FSInformation)
{
FILE_FS_DEVICE_INFORMATION * DeviceInfo = FSInformation;
DeviceInfo->DeviceType = FILE_DEVICE_DISK;
DeviceInfo->Characteristics = 0;
break;
};
case FileFsAttributeInformation:
break;
case FileFsControlInformation:
break;
case FileFsFullSizeInformation:
break;
case FileFsObjectIdInformation:
break;
case FileFsMaximumInformation:
break;
}
IoStatusBlock->u.Status = STATUS_SUCCESS;
IoStatusBlock->Information = len;
return STATUS_SUCCESS;
}
/******************************************************************
* NtFlushBuffersFile (NTDLL.@)
*/
NTSTATUS WINAPI NtFlushBuffersFile( HANDLE hFile, IO_STATUS_BLOCK* IoStatusBlock )
{
NTSTATUS ret;
HANDLE hEvent = NULL;
SERVER_START_REQ( flush_file )
{
req->handle = hFile;
ret = wine_server_call( req );
hEvent = reply->event;
}
SERVER_END_REQ;
if( !ret && hEvent )
{
ret = NtWaitForSingleObject( hEvent, FALSE, NULL );
NtClose( hEvent );
}
return ret;
}
/******************************************************************
* NtLockFile (NTDLL.@)
*
*
*/
NTSTATUS WINAPI NtLockFile( HANDLE hFile, HANDLE lock_granted_event,
PIO_APC_ROUTINE apc, void* apc_user,
PIO_STATUS_BLOCK io_status, PLARGE_INTEGER offset,
PLARGE_INTEGER count, ULONG* key, BOOLEAN dont_wait,
BOOLEAN exclusive )
{
NTSTATUS ret;
HANDLE handle;
BOOLEAN async;
if (apc || io_status || key)
{
FIXME("Unimplemented yet parameter\n");
return STATUS_NOT_IMPLEMENTED;
}
for (;;)
{
SERVER_START_REQ( lock_file )
{
req->handle = hFile;
req->offset_low = offset->s.LowPart;
req->offset_high = offset->s.HighPart;
req->count_low = count->s.LowPart;
req->count_high = count->s.HighPart;
req->shared = !exclusive;
req->wait = !dont_wait;
ret = wine_server_call( req );
handle = reply->handle;
async = reply->overlapped;
}
SERVER_END_REQ;
if (ret != STATUS_PENDING)
{
if (!ret && lock_granted_event) NtSetEvent(lock_granted_event, NULL);
return ret;
}
if (async)
{
FIXME( "Async I/O lock wait not implemented, might deadlock\n" );
if (handle) NtClose( handle );
return STATUS_PENDING;
}
if (handle)
{
NtWaitForSingleObject( handle, FALSE, NULL );
NtClose( handle );
}
else
{
LARGE_INTEGER time;
/* Unix lock conflict, sleep a bit and retry */
time.QuadPart = 100 * (ULONGLONG)10000;
time.QuadPart = -time.QuadPart;
NtWaitForMultipleObjects( 0, NULL, FALSE, FALSE, &time );
}
}
}
/******************************************************************
* NtUnlockFile (NTDLL.@)
*
*
*/
NTSTATUS WINAPI NtUnlockFile( HANDLE hFile, PIO_STATUS_BLOCK io_status,
PLARGE_INTEGER offset, PLARGE_INTEGER count,
PULONG key )
{
NTSTATUS status;
TRACE( "%p %lx%08lx %lx%08lx\n",
hFile, offset->s.HighPart, offset->s.LowPart, count->s.HighPart, count->s.LowPart );
if (io_status || key)
{
FIXME("Unimplemented yet parameter\n");
return STATUS_NOT_IMPLEMENTED;
}
SERVER_START_REQ( unlock_file )
{
req->handle = hFile;
req->offset_low = offset->s.LowPart;
req->offset_high = offset->s.HighPart;
req->count_low = count->s.LowPart;
req->count_high = count->s.HighPart;
status = wine_server_call( req );
}
SERVER_END_REQ;
return status;
}
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