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wine/dlls/ntdll/file.c
Alexandre Julliard a902632483 ntdll: Don't bother with async I/O on regular files.
2006-11-20 14:15:43 +01:00

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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <assert.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_SYS_ERRNO_H
#include <sys/errno.h>
#endif
#ifdef HAVE_LINUX_MAJOR_H
# include <linux/major.h>
#endif
#ifdef HAVE_SYS_STATVFS_H
# include <sys/statvfs.h>
#endif
#ifdef HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
#ifdef HAVE_POLL_H
#include <poll.h>
#endif
#ifdef HAVE_SYS_POLL_H
#include <sys/poll.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_UTIME_H
# include <utime.h>
#endif
#ifdef HAVE_SYS_VFS_H
# include <sys/vfs.h>
#endif
#ifdef HAVE_SYS_MOUNT_H
# include <sys/mount.h>
#endif
#ifdef HAVE_SYS_STATFS_H
# include <sys/statfs.h>
#endif
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "wine/unicode.h"
#include "wine/debug.h"
#include "thread.h"
#include "wine/server.h"
#include "ntdll_misc.h"
#include "winternl.h"
#include "winioctl.h"
WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
mode_t FILE_umask = 0;
#define SECSPERDAY 86400
#define SECS_1601_TO_1970 ((369 * 365 + 89) * (ULONGLONG)SECSPERDAY)
/**************************************************************************
* NtOpenFile [NTDLL.@]
* ZwOpenFile [NTDLL.@]
*
* Open a file.
*
* PARAMS
* handle [O] Variable that receives the file handle on return
* access [I] Access desired by the caller to the file
* attr [I] Structure describing the file to be opened
* io [O] Receives details about the result of the operation
* sharing [I] Type of shared access the caller requires
* options [I] Options for the file open
*
* RETURNS
* Success: 0. FileHandle and IoStatusBlock are updated.
* Failure: An NTSTATUS error code describing the error.
*/
NTSTATUS WINAPI NtOpenFile( PHANDLE handle, ACCESS_MASK access,
POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK io,
ULONG sharing, ULONG options )
{
return NtCreateFile( handle, access, attr, io, NULL, 0,
sharing, FILE_OPEN, options, NULL, 0 );
}
/**************************************************************************
* NtCreateFile [NTDLL.@]
* ZwCreateFile [NTDLL.@]
*
* Either create a new file or directory, or open an existing file, device,
* directory or volume.
*
* PARAMS
* handle [O] Points to a variable which receives the file handle on return
* access [I] Desired access to the file
* attr [I] Structure describing the file
* io [O] Receives information about the operation on return
* alloc_size [I] Initial size of the file in bytes
* attributes [I] Attributes to create the file with
* sharing [I] Type of shared access the caller would like to the file
* disposition [I] Specifies what to do, depending on whether the file already exists
* options [I] Options for creating a new file
* ea_buffer [I] Pointer to an extended attributes buffer
* ea_length [I] Length of ea_buffer
*
* RETURNS
* Success: 0. handle and io are updated.
* Failure: An NTSTATUS error code describing the error.
*/
NTSTATUS WINAPI NtCreateFile( PHANDLE handle, ACCESS_MASK access, POBJECT_ATTRIBUTES attr,
PIO_STATUS_BLOCK io, PLARGE_INTEGER alloc_size,
ULONG attributes, ULONG sharing, ULONG disposition,
ULONG options, PVOID ea_buffer, ULONG ea_length )
{
static const WCHAR pipeW[] = {'\\','?','?','\\','p','i','p','e','\\'};
static const WCHAR mailslotW[] = {'\\','?','?','\\','M','A','I','L','S','L','O','T','\\'};
ANSI_STRING unix_name;
int created = FALSE;
TRACE("handle=%p access=%08x name=%s objattr=%08x root=%p sec=%p io=%p alloc_size=%p\n"
"attr=%08x sharing=%08x disp=%d options=%08x ea=%p.0x%08x\n",
handle, access, debugstr_us(attr->ObjectName), attr->Attributes,
attr->RootDirectory, attr->SecurityDescriptor, io, alloc_size,
attributes, sharing, disposition, options, ea_buffer, ea_length );
if (!attr || !attr->ObjectName) return STATUS_INVALID_PARAMETER;
if (alloc_size) FIXME( "alloc_size not supported\n" );
/* check for named pipe */
if (attr->ObjectName->Length > sizeof(pipeW) &&
!memicmpW( attr->ObjectName->Buffer, pipeW, sizeof(pipeW)/sizeof(WCHAR) ))
{
SERVER_START_REQ( open_named_pipe )
{
req->access = access;
req->attributes = attr->Attributes;
req->rootdir = attr->RootDirectory;
req->flags = options;
wine_server_add_data( req, attr->ObjectName->Buffer,
attr->ObjectName->Length );
io->u.Status = wine_server_call( req );
*handle = reply->handle;
}
SERVER_END_REQ;
return io->u.Status;
}
/* check for mailslot */
if (attr->ObjectName->Length > sizeof(mailslotW) &&
!memicmpW( attr->ObjectName->Buffer, mailslotW, sizeof(mailslotW)/sizeof(WCHAR) ))
{
SERVER_START_REQ( open_mailslot )
{
req->access = access & GENERIC_WRITE;
req->attributes = attr->Attributes;
req->rootdir = attr->RootDirectory;
req->sharing = sharing;
wine_server_add_data( req, attr->ObjectName->Buffer,
attr->ObjectName->Length );
io->u.Status = wine_server_call( req );
*handle = reply->handle;
}
SERVER_END_REQ;
return io->u.Status;
}
if (attr->RootDirectory)
{
FIXME( "RootDirectory %p not supported\n", attr->RootDirectory );
return STATUS_OBJECT_NAME_NOT_FOUND;
}
io->u.Status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, disposition,
!(attr->Attributes & OBJ_CASE_INSENSITIVE) );
if (io->u.Status == STATUS_BAD_DEVICE_TYPE)
{
SERVER_START_REQ( open_file_object )
{
req->access = access;
req->attributes = attr->Attributes;
req->rootdir = attr->RootDirectory;
req->sharing = sharing;
wine_server_add_data( req, attr->ObjectName->Buffer, attr->ObjectName->Length );
io->u.Status = wine_server_call( req );
*handle = reply->handle;
}
SERVER_END_REQ;
return io->u.Status;
}
if (io->u.Status == STATUS_NO_SUCH_FILE &&
disposition != FILE_OPEN && disposition != FILE_OVERWRITE)
{
created = TRUE;
io->u.Status = STATUS_SUCCESS;
}
if (io->u.Status == STATUS_SUCCESS)
{
SERVER_START_REQ( create_file )
{
req->access = access;
req->attributes = attr->Attributes;
req->sharing = sharing;
req->create = disposition;
req->options = options;
req->attrs = attributes;
wine_server_add_data( req, unix_name.Buffer, unix_name.Length );
io->u.Status = wine_server_call( req );
*handle = reply->handle;
}
SERVER_END_REQ;
RtlFreeAnsiString( &unix_name );
}
else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), io->u.Status );
if (io->u.Status == STATUS_SUCCESS)
{
if (created) io->Information = FILE_CREATED;
else switch(disposition)
{
case FILE_SUPERSEDE:
io->Information = FILE_SUPERSEDED;
break;
case FILE_CREATE:
io->Information = FILE_CREATED;
break;
case FILE_OPEN:
case FILE_OPEN_IF:
io->Information = FILE_OPENED;
break;
case FILE_OVERWRITE:
case FILE_OVERWRITE_IF:
io->Information = FILE_OVERWRITTEN;
break;
}
}
return io->u.Status;
}
/***********************************************************************
* Asynchronous file I/O *
*/
static void WINAPI FILE_AsyncReadService(void*, PIO_STATUS_BLOCK, ULONG);
static void WINAPI FILE_AsyncWriteService(void*, PIO_STATUS_BLOCK, ULONG);
typedef struct async_fileio
{
HANDLE handle;
PIO_APC_ROUTINE apc;
void* apc_user;
char* buffer;
unsigned int count;
int queue_apc_on_error;
BOOL avail_mode;
HANDLE event;
} async_fileio;
static void fileio_terminate(async_fileio *fileio, IO_STATUS_BLOCK* iosb)
{
TRACE("data: %p\n", fileio);
if (fileio->event) NtSetEvent( fileio->event, NULL );
if (fileio->apc &&
(iosb->u.Status == STATUS_SUCCESS || fileio->queue_apc_on_error))
fileio->apc( fileio->apc_user, iosb, iosb->Information );
RtlFreeHeap( GetProcessHeap(), 0, fileio );
}
static ULONG fileio_queue_async(async_fileio* fileio, IO_STATUS_BLOCK* iosb,
BOOL do_read)
{
PIO_APC_ROUTINE apc = do_read ? FILE_AsyncReadService : FILE_AsyncWriteService;
NTSTATUS status;
SERVER_START_REQ( register_async )
{
req->handle = fileio->handle;
req->io_apc = apc;
req->io_sb = iosb;
req->io_user = fileio;
req->type = do_read ? ASYNC_TYPE_READ : ASYNC_TYPE_WRITE;
req->count = (fileio->count < iosb->Information) ?
0 : fileio->count - iosb->Information;
status = wine_server_call( req );
}
SERVER_END_REQ;
if ( status ) iosb->u.Status = status;
if ( iosb->u.Status != STATUS_PENDING )
{
(apc)( fileio, iosb, iosb->u.Status );
return iosb->u.Status;
}
NtCurrentTeb()->num_async_io++;
return STATUS_SUCCESS;
}
/***********************************************************************
* FILE_GetNtStatus(void)
*
* Retrieve the Nt Status code from errno.
* Try to be consistent with FILE_SetDosError().
*/
NTSTATUS FILE_GetNtStatus(void)
{
int err = errno;
TRACE( "errno = %d\n", errno );
switch (err)
{
case EAGAIN: return STATUS_SHARING_VIOLATION;
case EBADF: return STATUS_INVALID_HANDLE;
case EBUSY: return STATUS_DEVICE_BUSY;
case ENOSPC: return STATUS_DISK_FULL;
case EPERM:
case EROFS:
case EACCES: return STATUS_ACCESS_DENIED;
case ENOTDIR: return STATUS_OBJECT_PATH_NOT_FOUND;
case ENOENT: return STATUS_OBJECT_NAME_NOT_FOUND;
case EISDIR: return STATUS_FILE_IS_A_DIRECTORY;
case EMFILE:
case ENFILE: return STATUS_TOO_MANY_OPENED_FILES;
case EINVAL: return STATUS_INVALID_PARAMETER;
case ENOTEMPTY: return STATUS_DIRECTORY_NOT_EMPTY;
case EPIPE: return STATUS_PIPE_BROKEN;
case EIO: return STATUS_DEVICE_NOT_READY;
#ifdef ENOMEDIUM
case ENOMEDIUM: return STATUS_NO_MEDIA_IN_DEVICE;
#endif
case ENXIO: return STATUS_NO_SUCH_DEVICE;
case ENOTTY:
case EOPNOTSUPP:return STATUS_NOT_SUPPORTED;
case ECONNRESET:return STATUS_PIPE_DISCONNECTED;
case EFAULT: return STATUS_ACCESS_VIOLATION;
case ENOEXEC: /* ?? */
case ESPIPE: /* ?? */
case EEXIST: /* ?? */
default:
FIXME( "Converting errno %d to STATUS_UNSUCCESSFUL\n", err );
return STATUS_UNSUCCESSFUL;
}
}
/***********************************************************************
* FILE_AsyncReadService (INTERNAL)
*/
static void WINAPI FILE_AsyncReadService(void *user, PIO_STATUS_BLOCK iosb, ULONG status)
{
async_fileio *fileio = (async_fileio*)user;
int fd, needs_close, result;
int already = iosb->Information;
TRACE("%p %p 0x%x\n", iosb, fileio->buffer, status);
switch (status)
{
case STATUS_ALERTED: /* got some new data */
if (iosb->u.Status != STATUS_PENDING) FIXME("unexpected status %08x\n", iosb->u.Status);
/* check to see if the data is ready (non-blocking) */
if ((iosb->u.Status = server_get_unix_fd( fileio->handle, FILE_READ_DATA, &fd,
&needs_close, NULL, NULL )))
{
fileio_terminate(fileio, iosb);
break;
}
result = read(fd, &fileio->buffer[already], fileio->count - already);
if (needs_close) close( fd );
if (result < 0)
{
if (errno == EAGAIN || errno == EINTR)
{
TRACE("Deferred read %d\n", errno);
iosb->u.Status = STATUS_PENDING;
}
else /* check to see if the transfer is complete */
iosb->u.Status = FILE_GetNtStatus();
}
else if (result == 0)
{
iosb->u.Status = iosb->Information ? STATUS_SUCCESS : STATUS_END_OF_FILE;
}
else
{
iosb->Information += result;
if (iosb->Information >= fileio->count || fileio->avail_mode)
iosb->u.Status = STATUS_SUCCESS;
else
{
/* if we only have to read the available data, and none is available,
* simply cancel the request. If data was available, it has been read
* while in by previous call (NtDelayExecution)
*/
iosb->u.Status = (fileio->avail_mode) ? STATUS_SUCCESS : STATUS_PENDING;
}
TRACE("read %d more bytes %ld/%d so far (%s)\n",
result, iosb->Information, fileio->count,
(iosb->u.Status == STATUS_SUCCESS) ? "success" : "pending");
}
/* queue another async operation ? */
if (iosb->u.Status == STATUS_PENDING)
fileio_queue_async(fileio, iosb, TRUE);
else
fileio_terminate(fileio, iosb);
break;
default:
iosb->u.Status = status;
fileio_terminate(fileio, iosb);
break;
}
}
/******************************************************************************
* NtReadFile [NTDLL.@]
* ZwReadFile [NTDLL.@]
*
* Read from an open file handle.
*
* PARAMS
* FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
* Event [I] Event to signal upon completion (or NULL)
* ApcRoutine [I] Callback to call upon completion (or NULL)
* ApcContext [I] Context for ApcRoutine (or NULL)
* IoStatusBlock [O] Receives information about the operation on return
* Buffer [O] Destination for the data read
* Length [I] Size of Buffer
* ByteOffset [O] Destination for the new file pointer position (or NULL)
* Key [O] Function unknown (may be NULL)
*
* RETURNS
* Success: 0. IoStatusBlock is updated, and the Information member contains
* The number of bytes read.
* Failure: An NTSTATUS error code describing the error.
*/
NTSTATUS WINAPI NtReadFile(HANDLE hFile, HANDLE hEvent,
PIO_APC_ROUTINE apc, void* apc_user,
PIO_STATUS_BLOCK io_status, void* buffer, ULONG length,
PLARGE_INTEGER offset, PULONG key)
{
int result, unix_handle, needs_close, flags;
enum server_fd_type type;
TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
if (!io_status) return STATUS_ACCESS_VIOLATION;
io_status->Information = 0;
io_status->u.Status = server_get_unix_fd( hFile, FILE_READ_DATA, &unix_handle,
&needs_close, &type, &flags );
if (io_status->u.Status) return io_status->u.Status;
if (type == FD_TYPE_FILE && offset)
{
/* async I/O doesn't make sense on regular files */
if (flags & FD_FLAG_OVERLAPPED)
{
while ((result = pread( unix_handle, buffer, length, offset->QuadPart )) == -1)
{
if (errno == EINTR) continue;
if (errno == EAGAIN || errno == ESPIPE)
{
io_status->u.Status = STATUS_PENDING;
break;
}
result = 0;
io_status->u.Status = FILE_GetNtStatus();
goto done;
}
if (result >= 0)
{
io_status->Information = result;
io_status->u.Status = result ? STATUS_SUCCESS : STATUS_END_OF_FILE;
if (hEvent) NtSetEvent( hEvent, NULL );
if (apc && !io_status->u.Status) apc( apc_user, io_status, io_status->Information );
goto done;
}
}
else
{
if (lseek( unix_handle, offset->QuadPart, SEEK_SET ) == (off_t)-1)
{
io_status->u.Status = FILE_GetNtStatus();
goto done;
}
}
}
if (flags & FD_FLAG_RECV_SHUTDOWN)
{
if (needs_close) close( unix_handle );
return STATUS_PIPE_DISCONNECTED;
}
if (flags & FD_FLAG_TIMEOUT)
{
if (hEvent)
{
/* this shouldn't happen, but check it */
FIXME("NIY-hEvent\n");
if (needs_close) close( unix_handle );
return STATUS_NOT_IMPLEMENTED;
}
io_status->u.Status = NtCreateEvent(&hEvent, EVENT_ALL_ACCESS, NULL, 0, 0);
if (io_status->u.Status)
{
if (needs_close) close( unix_handle );
return io_status->u.Status;
}
}
if (flags & (FD_FLAG_OVERLAPPED|FD_FLAG_TIMEOUT))
{
async_fileio* fileio;
NTSTATUS ret;
if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(async_fileio))))
{
if (needs_close) close( unix_handle );
if (flags & FD_FLAG_TIMEOUT) NtClose(hEvent);
return STATUS_NO_MEMORY;
}
fileio->handle = hFile;
fileio->count = length;
fileio->apc = apc;
fileio->apc_user = apc_user;
fileio->buffer = buffer;
fileio->queue_apc_on_error = 0;
fileio->avail_mode = (flags & FD_FLAG_AVAILABLE);
fileio->event = hEvent;
if (hEvent) NtResetEvent(hEvent, NULL);
if (needs_close) close( unix_handle );
io_status->u.Status = STATUS_PENDING;
ret = fileio_queue_async(fileio, io_status, TRUE);
if (ret != STATUS_SUCCESS)
{
if (flags & FD_FLAG_TIMEOUT) NtClose(hEvent);
return ret;
}
if (flags & FD_FLAG_TIMEOUT)
{
do
{
ret = NtWaitForSingleObject(hEvent, TRUE, NULL);
}
while (ret == STATUS_USER_APC && io_status->u.Status == STATUS_PENDING);
NtClose(hEvent);
if (ret != STATUS_USER_APC)
fileio->queue_apc_on_error = 1;
}
else
{
LARGE_INTEGER timeout;
/* let some APC be run, this will read some already pending data */
timeout.u.LowPart = timeout.u.HighPart = 0;
ret = NtDelayExecution( TRUE, &timeout );
/* the apc didn't run and therefore the completion routine now
* needs to be sent errors.
* Note that there is no race between setting this flag and
* returning errors because apc's are run only during alertable
* waits */
if (ret != STATUS_USER_APC)
fileio->queue_apc_on_error = 1;
}
TRACE("= 0x%08x\n", io_status->u.Status);
return io_status->u.Status;
}
/* code for synchronous reads */
while ((result = read( unix_handle, buffer, length )) == -1)
{
if ((errno == EAGAIN) || (errno == EINTR)) continue;
io_status->u.Status = FILE_GetNtStatus();
result = 0;
break;
}
io_status->Information = result;
if (io_status->u.Status == STATUS_SUCCESS && io_status->Information == 0)
{
struct stat st;
if (fstat( unix_handle, &st ) != -1 && S_ISSOCK( st.st_mode ))
io_status->u.Status = STATUS_PIPE_BROKEN;
else
io_status->u.Status = STATUS_END_OF_FILE;
}
done:
if (needs_close) close( unix_handle );
TRACE("= 0x%08x (%lu)\n", io_status->u.Status, io_status->Information);
return io_status->u.Status;
}
/***********************************************************************
* FILE_AsyncWriteService (INTERNAL)
*/
static void WINAPI FILE_AsyncWriteService(void *ovp, IO_STATUS_BLOCK *iosb, ULONG status)
{
async_fileio *fileio = (async_fileio *) ovp;
int result, fd, needs_close;
int already = iosb->Information;
TRACE("(%p %p 0x%x)\n",iosb, fileio->buffer, status);
switch (status)
{
case STATUS_ALERTED:
/* write some data (non-blocking) */
if ((iosb->u.Status = server_get_unix_fd( fileio->handle, FILE_WRITE_DATA, &fd,
&needs_close, NULL, NULL )))
{
fileio_terminate(fileio, iosb);
break;
}
result = write(fd, &fileio->buffer[already], fileio->count - already);
if (needs_close) close( fd );
if (result < 0)
{
if (errno == EAGAIN || errno == EINTR) iosb->u.Status = STATUS_PENDING;
else iosb->u.Status = FILE_GetNtStatus();
}
else
{
iosb->Information += result;
iosb->u.Status = (iosb->Information < fileio->count) ? STATUS_PENDING : STATUS_SUCCESS;
TRACE("wrote %d more bytes %ld/%d so far\n",
result, iosb->Information, fileio->count);
}
if (iosb->u.Status == STATUS_PENDING)
fileio_queue_async(fileio, iosb, FALSE);
else
fileio_terminate(fileio, iosb);
break;
default:
iosb->u.Status = status;
fileio_terminate(fileio, iosb);
break;
}
}
/******************************************************************************
* NtWriteFile [NTDLL.@]
* ZwWriteFile [NTDLL.@]
*
* Write to an open file handle.
*
* PARAMS
* FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
* Event [I] Event to signal upon completion (or NULL)
* ApcRoutine [I] Callback to call upon completion (or NULL)
* ApcContext [I] Context for ApcRoutine (or NULL)
* IoStatusBlock [O] Receives information about the operation on return
* Buffer [I] Source for the data to write
* Length [I] Size of Buffer
* ByteOffset [O] Destination for the new file pointer position (or NULL)
* Key [O] Function unknown (may be NULL)
*
* RETURNS
* Success: 0. IoStatusBlock is updated, and the Information member contains
* The number of bytes written.
* Failure: An NTSTATUS error code describing the error.
*/
NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
PIO_APC_ROUTINE apc, void* apc_user,
PIO_STATUS_BLOCK io_status,
const void* buffer, ULONG length,
PLARGE_INTEGER offset, PULONG key)
{
int result, unix_handle, needs_close, flags;
enum server_fd_type type;
TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p)!\n",
hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
if (!io_status) return STATUS_ACCESS_VIOLATION;
io_status->Information = 0;
io_status->u.Status = server_get_unix_fd( hFile, FILE_WRITE_DATA, &unix_handle,
&needs_close, &type, &flags );
if (io_status->u.Status) return io_status->u.Status;
if (type == FD_TYPE_FILE && offset)
{
if (flags & FD_FLAG_OVERLAPPED)
{
/* async I/O doesn't make sense on regular files */
while ((result = pwrite( unix_handle, buffer, length, offset->QuadPart )) == -1)
{
if (errno == EINTR) continue;
if (errno == EAGAIN || errno == ESPIPE)
{
io_status->u.Status = STATUS_PENDING;
break;
}
result = 0;
if (errno == EFAULT) io_status->u.Status = STATUS_INVALID_USER_BUFFER;
else io_status->u.Status = FILE_GetNtStatus();
goto done;
}
if (result >= 0)
{
io_status->Information = result;
io_status->u.Status = STATUS_SUCCESS;
if (hEvent) NtSetEvent( hEvent, NULL );
if (apc) apc( apc_user, io_status, io_status->Information );
goto done;
}
}
else
{
if (lseek( unix_handle, offset->QuadPart, SEEK_SET ) == (off_t)-1)
{
io_status->u.Status = FILE_GetNtStatus();
goto done;
}
}
}
if (flags & FD_FLAG_SEND_SHUTDOWN)
{
if (needs_close) close( unix_handle );
return STATUS_PIPE_DISCONNECTED;
}
if (flags & FD_FLAG_TIMEOUT)
{
if (hEvent)
{
/* this shouldn't happen, but check it */
FIXME("NIY-hEvent\n");
if (needs_close) close( unix_handle );
return STATUS_NOT_IMPLEMENTED;
}
io_status->u.Status = NtCreateEvent(&hEvent, EVENT_ALL_ACCESS, NULL, 0, 0);
if (io_status->u.Status)
{
if (needs_close) close( unix_handle );
return io_status->u.Status;
}
}
if (flags & (FD_FLAG_OVERLAPPED|FD_FLAG_TIMEOUT))
{
async_fileio* fileio;
NTSTATUS ret;
if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(async_fileio))))
{
if (needs_close) close( unix_handle );
if (flags & FD_FLAG_TIMEOUT) NtClose(hEvent);
return STATUS_NO_MEMORY;
}
fileio->handle = hFile;
fileio->count = length;
fileio->apc = apc;
fileio->apc_user = apc_user;
fileio->buffer = (void*)buffer;
fileio->queue_apc_on_error = 0;
fileio->avail_mode = (flags & FD_FLAG_AVAILABLE);
fileio->event = hEvent;
if (hEvent) NtResetEvent(hEvent, NULL);
if (needs_close) close( unix_handle );
io_status->Information = 0;
io_status->u.Status = STATUS_PENDING;
ret = fileio_queue_async(fileio, io_status, FALSE);
if (ret != STATUS_SUCCESS)
{
if (flags & FD_FLAG_TIMEOUT) NtClose(hEvent);
return ret;
}
if (flags & FD_FLAG_TIMEOUT)
{
do
{
ret = NtWaitForSingleObject(hEvent, TRUE, NULL);
}
while (ret == STATUS_USER_APC && io_status->u.Status == STATUS_PENDING);
NtClose(hEvent);
if (ret != STATUS_USER_APC)
fileio->queue_apc_on_error = 1;
}
else
{
LARGE_INTEGER timeout;
/* let some APC be run, this will write as much data as possible */
timeout.u.LowPart = timeout.u.HighPart = 0;
ret = NtDelayExecution( TRUE, &timeout );
/* the apc didn't run and therefore the completion routine now
* needs to be sent errors.
* Note that there is no race between setting this flag and
* returning errors because apc's are run only during alertable
* waits */
if (ret != STATUS_USER_APC)
fileio->queue_apc_on_error = 1;
}
return io_status->u.Status;
}
/* synchronous file write */
while ((result = write( unix_handle, buffer, length )) == -1)
{
if ((errno == EAGAIN) || (errno == EINTR)) continue;
result = 0;
if (errno == EFAULT) io_status->u.Status = STATUS_INVALID_USER_BUFFER;
else io_status->u.Status = FILE_GetNtStatus();
break;
}
io_status->Information = result;
done:
if (needs_close) close( unix_handle );
return io_status->u.Status;
}
/**************************************************************************
* NtDeviceIoControlFile [NTDLL.@]
* ZwDeviceIoControlFile [NTDLL.@]
*
* Perform an I/O control operation on an open file handle.
*
* PARAMS
* handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
* event [I] Event to signal upon completion (or NULL)
* apc [I] Callback to call upon completion (or NULL)
* apc_context [I] Context for ApcRoutine (or NULL)
* io [O] Receives information about the operation on return
* code [I] Control code for the operation to perform
* in_buffer [I] Source for any input data required (or NULL)
* in_size [I] Size of InputBuffer
* out_buffer [O] Source for any output data returned (or NULL)
* out_size [I] Size of OutputBuffer
*
* RETURNS
* Success: 0. IoStatusBlock is updated.
* Failure: An NTSTATUS error code describing the error.
*/
NTSTATUS WINAPI NtDeviceIoControlFile(HANDLE handle, HANDLE event,
PIO_APC_ROUTINE apc, PVOID apc_context,
PIO_STATUS_BLOCK io, ULONG code,
PVOID in_buffer, ULONG in_size,
PVOID out_buffer, ULONG out_size)
{
ULONG device = (code >> 16);
TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
handle, event, apc, apc_context, io, code,
in_buffer, in_size, out_buffer, out_size);
switch(device)
{
case FILE_DEVICE_DISK:
case FILE_DEVICE_CD_ROM:
case FILE_DEVICE_DVD:
case FILE_DEVICE_CONTROLLER:
case FILE_DEVICE_MASS_STORAGE:
io->u.Status = CDROM_DeviceIoControl(handle, event, apc, apc_context, io, code,
in_buffer, in_size, out_buffer, out_size);
break;
case FILE_DEVICE_SERIAL_PORT:
io->u.Status = COMM_DeviceIoControl(handle, event, apc, apc_context, io, code,
in_buffer, in_size, out_buffer, out_size);
break;
case FILE_DEVICE_TAPE:
io->u.Status = TAPE_DeviceIoControl(handle, event, apc, apc_context, io, code,
in_buffer, in_size, out_buffer, out_size);
break;
default:
FIXME("Unsupported ioctl %x (device=%x access=%x func=%x method=%x)\n",
code, device, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
io->u.Status = STATUS_NOT_SUPPORTED;
break;
}
return io->u.Status;
}
/***********************************************************************
* pipe_completion_wait (Internal)
*/
static void CALLBACK pipe_completion_wait(HANDLE event, PIO_STATUS_BLOCK iosb, ULONG status)
{
TRACE("for %p/%p, status=%08x\n", event, iosb, status);
if (iosb)
iosb->u.Status = status;
NtSetEvent(event, NULL);
TRACE("done\n");
}
/**************************************************************************
* NtFsControlFile [NTDLL.@]
* ZwFsControlFile [NTDLL.@]
*
* Perform a file system control operation on an open file handle.
*
* PARAMS
* handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
* event [I] Event to signal upon completion (or NULL)
* apc [I] Callback to call upon completion (or NULL)
* apc_context [I] Context for ApcRoutine (or NULL)
* io [O] Receives information about the operation on return
* code [I] Control code for the operation to perform
* in_buffer [I] Source for any input data required (or NULL)
* in_size [I] Size of InputBuffer
* out_buffer [O] Source for any output data returned (or NULL)
* out_size [I] Size of OutputBuffer
*
* RETURNS
* Success: 0. IoStatusBlock is updated.
* Failure: An NTSTATUS error code describing the error.
*/
NTSTATUS WINAPI NtFsControlFile(HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc,
PVOID apc_context, PIO_STATUS_BLOCK io, ULONG code,
PVOID in_buffer, ULONG in_size, PVOID out_buffer, ULONG out_size)
{
TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
handle, event, apc, apc_context, io, code,
in_buffer, in_size, out_buffer, out_size);
if (!io) return STATUS_INVALID_PARAMETER;
switch(code)
{
case FSCTL_DISMOUNT_VOLUME:
io->u.Status = DIR_unmount_device( handle );
break;
case FSCTL_PIPE_LISTEN:
{
HANDLE internal_event = 0;
if(!event)
{
io->u.Status = NtCreateEvent(&internal_event, EVENT_ALL_ACCESS, NULL, FALSE, FALSE);
if (io->u.Status != STATUS_SUCCESS) return io->u.Status;
}
SERVER_START_REQ(connect_named_pipe)
{
req->handle = handle;
req->event = event ? event : internal_event;
req->func = pipe_completion_wait;
io->u.Status = wine_server_call(req);
}
SERVER_END_REQ;
if(io->u.Status == STATUS_SUCCESS)
{
if(event) io->u.Status = STATUS_PENDING;
else
{
do
io->u.Status = NtWaitForSingleObject(internal_event, TRUE, NULL);
while(io->u.Status == STATUS_USER_APC);
}
}
if (internal_event) NtClose(internal_event);
}
break;
case FSCTL_PIPE_WAIT:
{
HANDLE internal_event = 0;
FILE_PIPE_WAIT_FOR_BUFFER *buff = in_buffer;
if(!event)
{
io->u.Status = NtCreateEvent(&internal_event, EVENT_ALL_ACCESS, NULL, FALSE, FALSE);
if (io->u.Status != STATUS_SUCCESS) return io->u.Status;
}
SERVER_START_REQ(wait_named_pipe)
{
req->handle = handle;
req->timeout = buff->TimeoutSpecified ? buff->Timeout.QuadPart / -10000L
: NMPWAIT_USE_DEFAULT_WAIT;
req->event = event ? event : internal_event;
req->func = pipe_completion_wait;
wine_server_add_data( req, buff->Name, buff->NameLength );
io->u.Status = wine_server_call( req );
}
SERVER_END_REQ;
if(io->u.Status == STATUS_SUCCESS)
{
if(event)
io->u.Status = STATUS_PENDING;
else
{
do
io->u.Status = NtWaitForSingleObject(internal_event, TRUE, NULL);
while(io->u.Status == STATUS_USER_APC);
}
}
if (internal_event) NtClose(internal_event);
}
break;
case FSCTL_PIPE_PEEK:
{
FILE_PIPE_PEEK_BUFFER *buffer = out_buffer;
int avail = 0, fd, needs_close, flags;
if (out_size < FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data ))
{
io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
break;
}
if ((io->u.Status = server_get_unix_fd( handle, FILE_READ_DATA, &fd,
&needs_close, NULL, &flags )))
break;
if (flags & FD_FLAG_RECV_SHUTDOWN)
{
if (needs_close) close( fd );
io->u.Status = STATUS_PIPE_DISCONNECTED;
break;
}
#ifdef FIONREAD
if (ioctl( fd, FIONREAD, &avail ) != 0)
{
TRACE("FIONREAD failed reason: %s\n",strerror(errno));
if (needs_close) close( fd );
io->u.Status = FILE_GetNtStatus();
break;
}
#endif
if (!avail) /* check for closed pipe */
{
struct pollfd pollfd;
int ret;
pollfd.fd = fd;
pollfd.events = POLLIN;
pollfd.revents = 0;
ret = poll( &pollfd, 1, 0 );
if (ret == -1 || (ret == 1 && (pollfd.revents & (POLLHUP|POLLERR))))
{
if (needs_close) close( fd );
io->u.Status = STATUS_PIPE_BROKEN;
break;
}
}
buffer->NamedPipeState = 0; /* FIXME */
buffer->ReadDataAvailable = avail;
buffer->NumberOfMessages = 0; /* FIXME */
buffer->MessageLength = 0; /* FIXME */
io->Information = FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
io->u.Status = STATUS_SUCCESS;
if (avail)
{
ULONG data_size = out_size - FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
if (data_size)
{
int res = recv( fd, buffer->Data, data_size, MSG_PEEK );
if (res >= 0) io->Information += res;
}
}
if (needs_close) close( fd );
}
break;
case FSCTL_PIPE_DISCONNECT:
SERVER_START_REQ(disconnect_named_pipe)
{
req->handle = handle;
io->u.Status = wine_server_call(req);
if (!io->u.Status) server_remove_fd_from_cache( handle );
}
SERVER_END_REQ;
break;
case FSCTL_LOCK_VOLUME:
case FSCTL_UNLOCK_VOLUME:
FIXME("stub! return success - Unsupported fsctl %x (device=%x access=%x func=%x method=%x)\n",
code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
io->u.Status = STATUS_SUCCESS;
break;
default:
FIXME("Unsupported fsctl %x (device=%x access=%x func=%x method=%x)\n",
code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
io->u.Status = STATUS_NOT_SUPPORTED;
break;
}
return io->u.Status;
}
/******************************************************************************
* NtSetVolumeInformationFile [NTDLL.@]
* ZwSetVolumeInformationFile [NTDLL.@]
*
* Set volume information for an open file handle.
*
* PARAMS
* FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
* IoStatusBlock [O] Receives information about the operation on return
* FsInformation [I] Source for volume information
* Length [I] Size of FsInformation
* FsInformationClass [I] Type of volume information to set
*
* RETURNS
* Success: 0. IoStatusBlock is updated.
* Failure: An NTSTATUS error code describing the error.
*/
NTSTATUS WINAPI NtSetVolumeInformationFile(
IN HANDLE FileHandle,
PIO_STATUS_BLOCK IoStatusBlock,
PVOID FsInformation,
ULONG Length,
FS_INFORMATION_CLASS FsInformationClass)
{
FIXME("(%p,%p,%p,0x%08x,0x%08x) stub\n",
FileHandle,IoStatusBlock,FsInformation,Length,FsInformationClass);
return 0;
}
/******************************************************************************
* NtQueryInformationFile [NTDLL.@]
* ZwQueryInformationFile [NTDLL.@]
*
* Get information about an open file handle.
*
* PARAMS
* hFile [I] Handle returned from ZwOpenFile() or ZwCreateFile()
* io [O] Receives information about the operation on return
* ptr [O] Destination for file information
* len [I] Size of FileInformation
* class [I] Type of file information to get
*
* RETURNS
* Success: 0. IoStatusBlock and FileInformation are updated.
* Failure: An NTSTATUS error code describing the error.
*/
NTSTATUS WINAPI NtQueryInformationFile( HANDLE hFile, PIO_STATUS_BLOCK io,
PVOID ptr, LONG len, FILE_INFORMATION_CLASS class )
{
static const size_t info_sizes[] =
{
0,
sizeof(FILE_DIRECTORY_INFORMATION), /* FileDirectoryInformation */
sizeof(FILE_FULL_DIRECTORY_INFORMATION), /* FileFullDirectoryInformation */
sizeof(FILE_BOTH_DIRECTORY_INFORMATION), /* FileBothDirectoryInformation */
sizeof(FILE_BASIC_INFORMATION), /* FileBasicInformation */
sizeof(FILE_STANDARD_INFORMATION), /* FileStandardInformation */
sizeof(FILE_INTERNAL_INFORMATION), /* FileInternalInformation */
sizeof(FILE_EA_INFORMATION), /* FileEaInformation */
sizeof(FILE_ACCESS_INFORMATION), /* FileAccessInformation */
sizeof(FILE_NAME_INFORMATION)-sizeof(WCHAR), /* FileNameInformation */
sizeof(FILE_RENAME_INFORMATION)-sizeof(WCHAR), /* FileRenameInformation */
0, /* FileLinkInformation */
sizeof(FILE_NAMES_INFORMATION)-sizeof(WCHAR), /* FileNamesInformation */
sizeof(FILE_DISPOSITION_INFORMATION), /* FileDispositionInformation */
sizeof(FILE_POSITION_INFORMATION), /* FilePositionInformation */
sizeof(FILE_FULL_EA_INFORMATION), /* FileFullEaInformation */
sizeof(FILE_MODE_INFORMATION), /* FileModeInformation */
sizeof(FILE_ALIGNMENT_INFORMATION), /* FileAlignmentInformation */
sizeof(FILE_ALL_INFORMATION)-sizeof(WCHAR), /* FileAllInformation */
sizeof(FILE_ALLOCATION_INFORMATION), /* FileAllocationInformation */
sizeof(FILE_END_OF_FILE_INFORMATION), /* FileEndOfFileInformation */
0, /* FileAlternateNameInformation */
sizeof(FILE_STREAM_INFORMATION)-sizeof(WCHAR), /* FileStreamInformation */
0, /* FilePipeInformation */
sizeof(FILE_PIPE_LOCAL_INFORMATION), /* FilePipeLocalInformation */
0, /* FilePipeRemoteInformation */
sizeof(FILE_MAILSLOT_QUERY_INFORMATION), /* FileMailslotQueryInformation */
0, /* FileMailslotSetInformation */
0, /* FileCompressionInformation */
0, /* FileObjectIdInformation */
0, /* FileCompletionInformation */
0, /* FileMoveClusterInformation */
0, /* FileQuotaInformation */
0, /* FileReparsePointInformation */
0, /* FileNetworkOpenInformation */
0, /* FileAttributeTagInformation */
0 /* FileTrackingInformation */
};
struct stat st;
int fd, needs_close;
TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", hFile, io, ptr, len, class);
io->Information = 0;
if (class <= 0 || class >= FileMaximumInformation)
return io->u.Status = STATUS_INVALID_INFO_CLASS;
if (!info_sizes[class])
{
FIXME("Unsupported class (%d)\n", class);
return io->u.Status = STATUS_NOT_IMPLEMENTED;
}
if (len < info_sizes[class])
return io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
if (class != FilePipeLocalInformation)
{
if ((io->u.Status = server_get_unix_fd( hFile, 0, &fd, &needs_close, NULL, NULL )))
return io->u.Status;
}
switch (class)
{
case FileBasicInformation:
{
FILE_BASIC_INFORMATION *info = ptr;
if (fstat( fd, &st ) == -1)
io->u.Status = FILE_GetNtStatus();
else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
io->u.Status = STATUS_INVALID_INFO_CLASS;
else
{
if (S_ISDIR(st.st_mode)) info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
else info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime);
RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime);
RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime);
RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime);
}
}
break;
case FileStandardInformation:
{
FILE_STANDARD_INFORMATION *info = ptr;
if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
else
{
if ((info->Directory = S_ISDIR(st.st_mode)))
{
info->AllocationSize.QuadPart = 0;
info->EndOfFile.QuadPart = 0;
info->NumberOfLinks = 1;
info->DeletePending = FALSE;
}
else
{
info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
info->EndOfFile.QuadPart = st.st_size;
info->NumberOfLinks = st.st_nlink;
info->DeletePending = FALSE; /* FIXME */
}
}
}
break;
case FilePositionInformation:
{
FILE_POSITION_INFORMATION *info = ptr;
off_t res = lseek( fd, 0, SEEK_CUR );
if (res == (off_t)-1) io->u.Status = FILE_GetNtStatus();
else info->CurrentByteOffset.QuadPart = res;
}
break;
case FileInternalInformation:
{
FILE_INTERNAL_INFORMATION *info = ptr;
if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
else info->IndexNumber.QuadPart = st.st_ino;
}
break;
case FileEaInformation:
{
FILE_EA_INFORMATION *info = ptr;
info->EaSize = 0;
}
break;
case FileEndOfFileInformation:
{
FILE_END_OF_FILE_INFORMATION *info = ptr;
if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
else info->EndOfFile.QuadPart = S_ISDIR(st.st_mode) ? 0 : st.st_size;
}
break;
case FileAllInformation:
{
FILE_ALL_INFORMATION *info = ptr;
if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
io->u.Status = STATUS_INVALID_INFO_CLASS;
else
{
if ((info->StandardInformation.Directory = S_ISDIR(st.st_mode)))
{
info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
info->StandardInformation.AllocationSize.QuadPart = 0;
info->StandardInformation.EndOfFile.QuadPart = 0;
info->StandardInformation.NumberOfLinks = 1;
info->StandardInformation.DeletePending = FALSE;
}
else
{
info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
info->StandardInformation.AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
info->StandardInformation.EndOfFile.QuadPart = st.st_size;
info->StandardInformation.NumberOfLinks = st.st_nlink;
info->StandardInformation.DeletePending = FALSE; /* FIXME */
}
if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
info->BasicInformation.FileAttributes |= FILE_ATTRIBUTE_READONLY;
RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.CreationTime);
RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.LastWriteTime);
RtlSecondsSince1970ToTime( st.st_ctime, &info->BasicInformation.ChangeTime);
RtlSecondsSince1970ToTime( st.st_atime, &info->BasicInformation.LastAccessTime);
info->InternalInformation.IndexNumber.QuadPart = st.st_ino;
info->EaInformation.EaSize = 0;
info->AccessInformation.AccessFlags = 0; /* FIXME */
info->PositionInformation.CurrentByteOffset.QuadPart = lseek( fd, 0, SEEK_CUR );
info->ModeInformation.Mode = 0; /* FIXME */
info->AlignmentInformation.AlignmentRequirement = 1; /* FIXME */
info->NameInformation.FileNameLength = 0;
io->Information = sizeof(*info) - sizeof(WCHAR);
}
}
break;
case FileMailslotQueryInformation:
{
FILE_MAILSLOT_QUERY_INFORMATION *info = ptr;
SERVER_START_REQ( set_mailslot_info )
{
req->handle = hFile;
req->flags = 0;
io->u.Status = wine_server_call( req );
if( io->u.Status == STATUS_SUCCESS )
{
info->MaximumMessageSize = reply->max_msgsize;
info->MailslotQuota = 0;
info->NextMessageSize = 0;
info->MessagesAvailable = 0;
info->ReadTimeout.QuadPart = reply->read_timeout * -10000;
}
}
SERVER_END_REQ;
if (!io->u.Status)
{
ULONG size = info->MaximumMessageSize ? info->MaximumMessageSize : 0x10000;
char *tmpbuf = RtlAllocateHeap( GetProcessHeap(), 0, size );
if (tmpbuf)
{
int fd, needs_close;
if (!server_get_unix_fd( hFile, FILE_READ_DATA, &fd, &needs_close, NULL, NULL ))
{
int res = recv( fd, tmpbuf, size, MSG_PEEK );
info->MessagesAvailable = (res > 0);
info->NextMessageSize = (res >= 0) ? res : MAILSLOT_NO_MESSAGE;
if (needs_close) close( fd );
}
RtlFreeHeap( GetProcessHeap(), 0, tmpbuf );
}
}
}
break;
case FilePipeLocalInformation:
{
FILE_PIPE_LOCAL_INFORMATION* pli = ptr;
SERVER_START_REQ( get_named_pipe_info )
{
req->handle = hFile;
if (!(io->u.Status = wine_server_call( req )))
{
pli->NamedPipeType = (reply->flags & NAMED_PIPE_MESSAGE_STREAM_WRITE) ?
FILE_PIPE_TYPE_MESSAGE : FILE_PIPE_TYPE_BYTE;
pli->NamedPipeConfiguration = 0; /* FIXME */
pli->MaximumInstances = reply->maxinstances;
pli->CurrentInstances = reply->instances;
pli->InboundQuota = reply->insize;
pli->ReadDataAvailable = 0; /* FIXME */
pli->OutboundQuota = reply->outsize;
pli->WriteQuotaAvailable = 0; /* FIXME */
pli->NamedPipeState = 0; /* FIXME */
pli->NamedPipeEnd = (reply->flags & NAMED_PIPE_SERVER_END) ?
FILE_PIPE_SERVER_END : FILE_PIPE_CLIENT_END;
}
}
SERVER_END_REQ;
}
break;
default:
FIXME("Unsupported class (%d)\n", class);
io->u.Status = STATUS_NOT_IMPLEMENTED;
break;
}
if (needs_close) close( fd );
if (io->u.Status == STATUS_SUCCESS && !io->Information) io->Information = info_sizes[class];
return io->u.Status;
}
/******************************************************************************
* NtSetInformationFile [NTDLL.@]
* ZwSetInformationFile [NTDLL.@]
*
* Set information about an open file handle.
*
* PARAMS
* handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
* io [O] Receives information about the operation on return
* ptr [I] Source for file information
* len [I] Size of FileInformation
* class [I] Type of file information to set
*
* RETURNS
* Success: 0. io is updated.
* Failure: An NTSTATUS error code describing the error.
*/
NTSTATUS WINAPI NtSetInformationFile(HANDLE handle, PIO_STATUS_BLOCK io,
PVOID ptr, ULONG len, FILE_INFORMATION_CLASS class)
{
int fd, needs_close;
TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", handle, io, ptr, len, class);
if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
return io->u.Status;
io->u.Status = STATUS_SUCCESS;
switch (class)
{
case FileBasicInformation:
if (len >= sizeof(FILE_BASIC_INFORMATION))
{
struct stat st;
const FILE_BASIC_INFORMATION *info = ptr;
if (info->LastAccessTime.QuadPart || info->LastWriteTime.QuadPart)
{
ULONGLONG sec, nsec;
struct timeval tv[2];
if (!info->LastAccessTime.QuadPart || !info->LastWriteTime.QuadPart)
{
tv[0].tv_sec = tv[0].tv_usec = 0;
tv[1].tv_sec = tv[1].tv_usec = 0;
if (!fstat( fd, &st ))
{
tv[0].tv_sec = st.st_atime;
tv[1].tv_sec = st.st_mtime;
}
}
if (info->LastAccessTime.QuadPart)
{
sec = RtlLargeIntegerDivide( info->LastAccessTime.QuadPart, 10000000, &nsec );
tv[0].tv_sec = sec - SECS_1601_TO_1970;
tv[0].tv_usec = (UINT)nsec / 10;
}
if (info->LastWriteTime.QuadPart)
{
sec = RtlLargeIntegerDivide( info->LastWriteTime.QuadPart, 10000000, &nsec );
tv[1].tv_sec = sec - SECS_1601_TO_1970;
tv[1].tv_usec = (UINT)nsec / 10;
}
if (futimes( fd, tv ) == -1) io->u.Status = FILE_GetNtStatus();
}
if (io->u.Status == STATUS_SUCCESS && info->FileAttributes)
{
if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
else
{
if (info->FileAttributes & FILE_ATTRIBUTE_READONLY)
{
if (S_ISDIR( st.st_mode))
WARN("FILE_ATTRIBUTE_READONLY ignored for directory.\n");
else
st.st_mode &= ~0222; /* clear write permission bits */
}
else
{
/* add write permission only where we already have read permission */
st.st_mode |= (0600 | ((st.st_mode & 044) >> 1)) & (~FILE_umask);
}
if (fchmod( fd, st.st_mode ) == -1) io->u.Status = FILE_GetNtStatus();
}
}
}
else io->u.Status = STATUS_INVALID_PARAMETER_3;
break;
case FilePositionInformation:
if (len >= sizeof(FILE_POSITION_INFORMATION))
{
const FILE_POSITION_INFORMATION *info = ptr;
if (lseek( fd, info->CurrentByteOffset.QuadPart, SEEK_SET ) == (off_t)-1)
io->u.Status = FILE_GetNtStatus();
}
else io->u.Status = STATUS_INVALID_PARAMETER_3;
break;
case FileEndOfFileInformation:
if (len >= sizeof(FILE_END_OF_FILE_INFORMATION))
{
struct stat st;
const FILE_END_OF_FILE_INFORMATION *info = ptr;
/* first try normal truncate */
if (ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
/* now check for the need to extend the file */
if (fstat( fd, &st ) != -1 && (off_t)info->EndOfFile.QuadPart > st.st_size)
{
static const char zero;
/* extend the file one byte beyond the requested size and then truncate it */
/* this should work around ftruncate implementations that can't extend files */
if (pwrite( fd, &zero, 1, (off_t)info->EndOfFile.QuadPart ) != -1 &&
ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
}
io->u.Status = FILE_GetNtStatus();
}
else io->u.Status = STATUS_INVALID_PARAMETER_3;
break;
case FileMailslotSetInformation:
{
FILE_MAILSLOT_SET_INFORMATION *info = ptr;
SERVER_START_REQ( set_mailslot_info )
{
req->handle = handle;
req->flags = MAILSLOT_SET_READ_TIMEOUT;
req->read_timeout = info->ReadTimeout.QuadPart / -10000;
io->u.Status = wine_server_call( req );
}
SERVER_END_REQ;
}
break;
default:
FIXME("Unsupported class (%d)\n", class);
io->u.Status = STATUS_NOT_IMPLEMENTED;
break;
}
if (needs_close) close( fd );
io->Information = 0;
return io->u.Status;
}
/******************************************************************************
* NtQueryFullAttributesFile (NTDLL.@)
*/
NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr,
FILE_NETWORK_OPEN_INFORMATION *info )
{
ANSI_STRING unix_name;
NTSTATUS status;
if (!(status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, FILE_OPEN,
!(attr->Attributes & OBJ_CASE_INSENSITIVE) )))
{
struct stat st;
if (stat( unix_name.Buffer, &st ) == -1)
status = FILE_GetNtStatus();
else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
status = STATUS_INVALID_INFO_CLASS;
else
{
if (S_ISDIR(st.st_mode))
{
info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
info->AllocationSize.QuadPart = 0;
info->EndOfFile.QuadPart = 0;
}
else
{
info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
info->EndOfFile.QuadPart = st.st_size;
}
if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime );
RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime );
RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime );
RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime );
if (DIR_is_hidden_file( attr->ObjectName ))
info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
}
RtlFreeAnsiString( &unix_name );
}
else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
return status;
}
/******************************************************************************
* NtQueryAttributesFile (NTDLL.@)
* ZwQueryAttributesFile (NTDLL.@)
*/
NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC_INFORMATION *info )
{
FILE_NETWORK_OPEN_INFORMATION full_info;
NTSTATUS status;
if (!(status = NtQueryFullAttributesFile( attr, &full_info )))
{
info->CreationTime.QuadPart = full_info.CreationTime.QuadPart;
info->LastAccessTime.QuadPart = full_info.LastAccessTime.QuadPart;
info->LastWriteTime.QuadPart = full_info.LastWriteTime.QuadPart;
info->ChangeTime.QuadPart = full_info.ChangeTime.QuadPart;
info->FileAttributes = full_info.FileAttributes;
}
return status;
}
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__APPLE__)
/* helper for FILE_GetDeviceInfo to hide some platform differences in fstatfs */
static inline void get_device_info_fstatfs( FILE_FS_DEVICE_INFORMATION *info, const char *fstypename,
size_t fstypesize, unsigned int flags )
{
if (!strncmp("cd9660", fstypename, fstypesize) ||
!strncmp("udf", fstypename, fstypesize))
{
info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
/* Don't assume read-only, let the mount options set it below */
info->Characteristics |= FILE_REMOVABLE_MEDIA;
}
else if (!strncmp("nfs", fstypename, fstypesize) ||
!strncmp("nwfs", fstypename, fstypesize) ||
!strncmp("smbfs", fstypename, fstypesize) ||
!strncmp("afpfs", fstypename, fstypesize))
{
info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
info->Characteristics |= FILE_REMOTE_DEVICE;
}
else if (!strncmp("procfs", fstypename, fstypesize))
info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
else
info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
if (flags & MNT_RDONLY)
info->Characteristics |= FILE_READ_ONLY_DEVICE;
if (!(flags & MNT_LOCAL))
{
info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
info->Characteristics |= FILE_REMOTE_DEVICE;
}
}
#endif
/******************************************************************************
* get_device_info
*
* Implementation of the FileFsDeviceInformation query for NtQueryVolumeInformationFile.
*/
static NTSTATUS get_device_info( int fd, FILE_FS_DEVICE_INFORMATION *info )
{
struct stat st;
info->Characteristics = 0;
if (fstat( fd, &st ) < 0) return FILE_GetNtStatus();
if (S_ISCHR( st.st_mode ))
{
info->DeviceType = FILE_DEVICE_UNKNOWN;
#ifdef linux
switch(major(st.st_rdev))
{
case MEM_MAJOR:
info->DeviceType = FILE_DEVICE_NULL;
break;
case TTY_MAJOR:
info->DeviceType = FILE_DEVICE_SERIAL_PORT;
break;
case LP_MAJOR:
info->DeviceType = FILE_DEVICE_PARALLEL_PORT;
break;
case SCSI_TAPE_MAJOR:
info->DeviceType = FILE_DEVICE_TAPE;
break;
}
#endif
}
else if (S_ISBLK( st.st_mode ))
{
info->DeviceType = FILE_DEVICE_DISK;
}
else if (S_ISFIFO( st.st_mode ) || S_ISSOCK( st.st_mode ))
{
info->DeviceType = FILE_DEVICE_NAMED_PIPE;
}
else /* regular file or directory */
{
#if defined(linux) && defined(HAVE_FSTATFS)
struct statfs stfs;
/* check for floppy disk */
if (major(st.st_dev) == FLOPPY_MAJOR)
info->Characteristics |= FILE_REMOVABLE_MEDIA;
if (fstatfs( fd, &stfs ) < 0) stfs.f_type = 0;
switch (stfs.f_type)
{
case 0x9660: /* iso9660 */
case 0x9fa1: /* supermount */
case 0x15013346: /* udf */
info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
break;
case 0x6969: /* nfs */
case 0x517B: /* smbfs */
case 0x564c: /* ncpfs */
info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
info->Characteristics |= FILE_REMOTE_DEVICE;
break;
case 0x01021994: /* tmpfs */
case 0x28cd3d45: /* cramfs */
case 0x1373: /* devfs */
case 0x9fa0: /* procfs */
info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
break;
default:
info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
break;
}
#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__APPLE__)
struct statfs stfs;
if (fstatfs( fd, &stfs ) < 0)
info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
else
get_device_info_fstatfs( info, stfs.f_fstypename,
sizeof(stfs.f_fstypename), stfs.f_flags );
#elif defined(__NetBSD__)
struct statvfs stfs;
if (fstatvfs( fd, &stfs) < 0)
info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
else
get_device_info_fstatfs( info, stfs.f_fstypename,
sizeof(stfs.f_fstypename), stfs.f_flag );
#elif defined(sun)
/* Use dkio to work out device types */
{
# include <sys/dkio.h>
# include <sys/vtoc.h>
struct dk_cinfo dkinf;
int retval = ioctl(fd, DKIOCINFO, &dkinf);
if(retval==-1){
WARN("Unable to get disk device type information - assuming a disk like device\n");
info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
}
switch (dkinf.dki_ctype)
{
case DKC_CDROM:
info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
break;
case DKC_NCRFLOPPY:
case DKC_SMSFLOPPY:
case DKC_INTEL82072:
case DKC_INTEL82077:
info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
info->Characteristics |= FILE_REMOVABLE_MEDIA;
break;
case DKC_MD:
info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
break;
default:
info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
}
}
#else
static int warned;
if (!warned++) FIXME( "device info not properly supported on this platform\n" );
info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
#endif
info->Characteristics |= FILE_DEVICE_IS_MOUNTED;
}
return STATUS_SUCCESS;
}
/******************************************************************************
* NtQueryVolumeInformationFile [NTDLL.@]
* ZwQueryVolumeInformationFile [NTDLL.@]
*
* Get volume information for an open file handle.
*
* PARAMS
* handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
* io [O] Receives information about the operation on return
* buffer [O] Destination for volume information
* length [I] Size of FsInformation
* info_class [I] Type of volume information to set
*
* RETURNS
* Success: 0. io and buffer are updated.
* Failure: An NTSTATUS error code describing the error.
*/
NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io,
PVOID buffer, ULONG length,
FS_INFORMATION_CLASS info_class )
{
int fd, needs_close;
struct stat st;
if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )) != STATUS_SUCCESS)
return io->u.Status;
io->u.Status = STATUS_NOT_IMPLEMENTED;
io->Information = 0;
switch( info_class )
{
case FileFsVolumeInformation:
FIXME( "%p: volume info not supported\n", handle );
break;
case FileFsLabelInformation:
FIXME( "%p: label info not supported\n", handle );
break;
case FileFsSizeInformation:
if (length < sizeof(FILE_FS_SIZE_INFORMATION))
io->u.Status = STATUS_BUFFER_TOO_SMALL;
else
{
FILE_FS_SIZE_INFORMATION *info = buffer;
if (fstat( fd, &st ) < 0)
{
io->u.Status = FILE_GetNtStatus();
break;
}
if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
{
io->u.Status = STATUS_INVALID_DEVICE_REQUEST;
}
else
{
/* Linux's fstatvfs is buggy */
#if !defined(linux) || !defined(HAVE_FSTATFS)
struct statvfs stfs;
if (fstatvfs( fd, &stfs ) < 0)
{
io->u.Status = FILE_GetNtStatus();
break;
}
info->BytesPerSector = stfs.f_frsize;
#else
struct statfs stfs;
if (fstatfs( fd, &stfs ) < 0)
{
io->u.Status = FILE_GetNtStatus();
break;
}
info->BytesPerSector = stfs.f_bsize;
#endif
info->TotalAllocationUnits.QuadPart = stfs.f_blocks;
info->AvailableAllocationUnits.QuadPart = stfs.f_bavail;
info->SectorsPerAllocationUnit = 1;
io->Information = sizeof(*info);
io->u.Status = STATUS_SUCCESS;
}
}
break;
case FileFsDeviceInformation:
if (length < sizeof(FILE_FS_DEVICE_INFORMATION))
io->u.Status = STATUS_BUFFER_TOO_SMALL;
else
{
FILE_FS_DEVICE_INFORMATION *info = buffer;
if ((io->u.Status = get_device_info( fd, info )) == STATUS_SUCCESS)
io->Information = sizeof(*info);
}
break;
case FileFsAttributeInformation:
FIXME( "%p: attribute info not supported\n", handle );
break;
case FileFsControlInformation:
FIXME( "%p: control info not supported\n", handle );
break;
case FileFsFullSizeInformation:
FIXME( "%p: full size info not supported\n", handle );
break;
case FileFsObjectIdInformation:
FIXME( "%p: object id info not supported\n", handle );
break;
case FileFsMaximumInformation:
FIXME( "%p: maximum info not supported\n", handle );
break;
default:
io->u.Status = STATUS_INVALID_PARAMETER;
break;
}
if (needs_close) close( fd );
return io->u.Status;
}
/******************************************************************
* NtFlushBuffersFile (NTDLL.@)
*
* Flush any buffered data on an open file handle.
*
* PARAMS
* FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
* IoStatusBlock [O] Receives information about the operation on return
*
* RETURNS
* Success: 0. IoStatusBlock is updated.
* Failure: An NTSTATUS error code describing the error.
*/
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->u.LowPart;
req->offset_high = offset->u.HighPart;
req->count_low = count->u.LowPart;
req->count_high = count->u.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;
NtDelayExecution( 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 %x%08x %x%08x\n",
hFile, offset->u.HighPart, offset->u.LowPart, count->u.HighPart, count->u.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->u.LowPart;
req->offset_high = offset->u.HighPart;
req->count_low = count->u.LowPart;
req->count_high = count->u.HighPart;
status = wine_server_call( req );
}
SERVER_END_REQ;
return status;
}
/******************************************************************
* NtCreateNamedPipeFile (NTDLL.@)
*
*
*/
NTSTATUS WINAPI NtCreateNamedPipeFile( PHANDLE handle, ULONG access,
POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK iosb,
ULONG sharing, ULONG dispo, ULONG options,
ULONG pipe_type, ULONG read_mode,
ULONG completion_mode, ULONG max_inst,
ULONG inbound_quota, ULONG outbound_quota,
PLARGE_INTEGER timeout)
{
NTSTATUS status;
static const WCHAR leadin[] = {'\\','?','?','\\','P','I','P','E','\\'};
TRACE("(%p %x %s %p %x %d %x %d %d %d %d %d %d %p)\n",
handle, access, debugstr_w(attr->ObjectName->Buffer), iosb, sharing, dispo,
options, pipe_type, read_mode, completion_mode, max_inst, inbound_quota,
outbound_quota, timeout);
if (attr->ObjectName->Length < sizeof(leadin) ||
strncmpiW( attr->ObjectName->Buffer,
leadin, sizeof(leadin)/sizeof(leadin[0]) ))
return STATUS_OBJECT_NAME_INVALID;
/* assume we only get relative timeout, and storable in a DWORD as ms */
if (timeout->QuadPart > 0 || (timeout->QuadPart / -10000) >> 32)
FIXME("Wrong time %s\n", wine_dbgstr_longlong(timeout->QuadPart));
SERVER_START_REQ( create_named_pipe )
{
req->access = access;
req->attributes = (attr) ? attr->Attributes : 0;
req->rootdir = attr ? attr->RootDirectory : 0;
req->options = options;
req->flags =
(pipe_type) ? NAMED_PIPE_MESSAGE_STREAM_WRITE : 0 |
(read_mode) ? NAMED_PIPE_MESSAGE_STREAM_READ : 0 |
(completion_mode) ? NAMED_PIPE_NONBLOCKING_MODE : 0;
req->maxinstances = max_inst;
req->outsize = outbound_quota;
req->insize = inbound_quota;
req->timeout = timeout->QuadPart / -10000;
wine_server_add_data( req, attr->ObjectName->Buffer,
attr->ObjectName->Length );
status = wine_server_call( req );
if (!status) *handle = reply->handle;
}
SERVER_END_REQ;
return status;
}
/******************************************************************
* NtDeleteFile (NTDLL.@)
*
*
*/
NTSTATUS WINAPI NtDeleteFile( POBJECT_ATTRIBUTES ObjectAttributes )
{
NTSTATUS status;
HANDLE hFile;
IO_STATUS_BLOCK io;
TRACE("%p\n", ObjectAttributes);
status = NtCreateFile( &hFile, GENERIC_READ | GENERIC_WRITE | DELETE,
ObjectAttributes, &io, NULL, 0,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
FILE_OPEN, FILE_DELETE_ON_CLOSE, NULL, 0 );
if (status == STATUS_SUCCESS) status = NtClose(hFile);
return status;
}
/******************************************************************
* NtCancelIoFile (NTDLL.@)
*
*
*/
NTSTATUS WINAPI NtCancelIoFile( HANDLE hFile, PIO_STATUS_BLOCK io_status )
{
LARGE_INTEGER timeout;
TRACE("%p %p\n", hFile, io_status );
SERVER_START_REQ( cancel_async )
{
req->handle = hFile;
wine_server_call( req );
}
SERVER_END_REQ;
/* Let some APC be run, so that we can run the remaining APCs on hFile
* either the cancelation of the pending one, but also the execution
* of the queued APC, but not yet run. This is needed to ensure proper
* clean-up of allocated data.
*/
timeout.u.LowPart = timeout.u.HighPart = 0;
return io_status->u.Status = NtDelayExecution( TRUE, &timeout );
}
/******************************************************************************
* NtCreateMailslotFile [NTDLL.@]
* ZwCreateMailslotFile [NTDLL.@]
*
* PARAMS
* pHandle [O] pointer to receive the handle created
* DesiredAccess [I] access mode (read, write, etc)
* ObjectAttributes [I] fully qualified NT path of the mailslot
* IoStatusBlock [O] receives completion status and other info
* CreateOptions [I]
* MailslotQuota [I]
* MaxMessageSize [I]
* TimeOut [I]
*
* RETURNS
* An NT status code
*/
NTSTATUS WINAPI NtCreateMailslotFile(PHANDLE pHandle, ULONG DesiredAccess,
POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK IoStatusBlock,
ULONG CreateOptions, ULONG MailslotQuota, ULONG MaxMessageSize,
PLARGE_INTEGER TimeOut)
{
static const WCHAR leadin[] = {
'\\','?','?','\\','M','A','I','L','S','L','O','T','\\'};
NTSTATUS ret;
TRACE("%p %08x %p %p %08x %08x %08x %p\n",
pHandle, DesiredAccess, attr, IoStatusBlock,
CreateOptions, MailslotQuota, MaxMessageSize, TimeOut);
if (attr->ObjectName->Length < sizeof(leadin) ||
strncmpiW( attr->ObjectName->Buffer,
leadin, sizeof(leadin)/sizeof(leadin[0]) ))
{
return STATUS_OBJECT_NAME_INVALID;
}
SERVER_START_REQ( create_mailslot )
{
req->access = DesiredAccess;
req->attributes = (attr) ? attr->Attributes : 0;
req->rootdir = attr ? attr->RootDirectory : 0;
req->max_msgsize = MaxMessageSize;
req->read_timeout = (TimeOut->QuadPart <= 0) ? TimeOut->QuadPart / -10000 : -1;
wine_server_add_data( req, attr->ObjectName->Buffer,
attr->ObjectName->Length );
ret = wine_server_call( req );
if( ret == STATUS_SUCCESS )
*pHandle = reply->handle;
}
SERVER_END_REQ;
return ret;
}
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