| /* | 
 |  * 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" | 
 | #include "ddk/ntddser.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 ) | 
 | { | 
 |     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" ); | 
 |  | 
 |     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; | 
 |             req->options    = 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; | 
 |     } | 
 |  | 
 |     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                              * | 
 |  */ | 
 |  | 
 | typedef struct | 
 | { | 
 |     HANDLE              handle; | 
 |     char*               buffer; | 
 |     unsigned int        already; | 
 |     unsigned int        count; | 
 |     BOOL                avail_mode; | 
 | } async_fileio_read; | 
 |  | 
 | typedef struct | 
 | { | 
 |     HANDLE              handle; | 
 |     const char         *buffer; | 
 |     unsigned int        already; | 
 |     unsigned int        count; | 
 | } async_fileio_write; | 
 |  | 
 |  | 
 | /*********************************************************************** | 
 |  *           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_DISCONNECTED; | 
 |     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 ESPIPE:    return STATUS_ILLEGAL_FUNCTION; | 
 |     case ENOEXEC:   /* ?? */ | 
 |     case EEXIST:    /* ?? */ | 
 |     default: | 
 |         FIXME( "Converting errno %d to STATUS_UNSUCCESSFUL\n", err ); | 
 |         return STATUS_UNSUCCESSFUL; | 
 |     } | 
 | } | 
 |  | 
 | /*********************************************************************** | 
 |  *             FILE_AsyncReadService      (INTERNAL) | 
 |  */ | 
 | static NTSTATUS FILE_AsyncReadService(void *user, PIO_STATUS_BLOCK iosb, NTSTATUS status) | 
 | { | 
 |     async_fileio_read *fileio = user; | 
 |     int fd, needs_close, result; | 
 |  | 
 |     TRACE("%p %p 0x%x\n", iosb, fileio->buffer, status); | 
 |  | 
 |     switch (status) | 
 |     { | 
 |     case STATUS_ALERTED: /* got some new data */ | 
 |         /* check to see if the data is ready (non-blocking) */ | 
 |         if ((status = server_get_unix_fd( fileio->handle, FILE_READ_DATA, &fd, | 
 |                                           &needs_close, NULL, NULL ))) | 
 |             break; | 
 |  | 
 |         result = read(fd, &fileio->buffer[fileio->already], fileio->count - fileio->already); | 
 |         if (needs_close) close( fd ); | 
 |  | 
 |         if (result < 0) | 
 |         { | 
 |             if (errno == EAGAIN || errno == EINTR) | 
 |             { | 
 |                 TRACE("Deferred read %d\n", errno); | 
 |                 status = STATUS_PENDING; | 
 |             } | 
 |             else /* check to see if the transfer is complete */ | 
 |                 status = FILE_GetNtStatus(); | 
 |         } | 
 |         else if (result == 0) | 
 |         { | 
 |             status = fileio->already ? STATUS_SUCCESS : STATUS_PIPE_BROKEN; | 
 |         } | 
 |         else | 
 |         { | 
 |             fileio->already += result; | 
 |             if (fileio->already >= fileio->count || fileio->avail_mode) | 
 |                 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) | 
 |                  */ | 
 |                 status = (fileio->avail_mode) ? STATUS_SUCCESS : STATUS_PENDING; | 
 |             } | 
 |  | 
 |             TRACE("read %d more bytes %u/%u so far (%s)\n", | 
 |                   result, fileio->already, fileio->count, | 
 |                   (status == STATUS_SUCCESS) ? "success" : "pending"); | 
 |         } | 
 |         break; | 
 |  | 
 |     case STATUS_TIMEOUT: | 
 |     case STATUS_IO_TIMEOUT: | 
 |         if (fileio->already) status = STATUS_SUCCESS; | 
 |         break; | 
 |     } | 
 |     if (status != STATUS_PENDING) | 
 |     { | 
 |         iosb->u.Status = status; | 
 |         iosb->Information = fileio->already; | 
 |         RtlFreeHeap( GetProcessHeap(), 0, fileio ); | 
 |     } | 
 |     return status; | 
 | } | 
 |  | 
 | struct io_timeouts | 
 | { | 
 |     int interval;   /* max interval between two bytes */ | 
 |     int total;      /* total timeout for the whole operation */ | 
 |     int end_time;   /* absolute time of end of operation */ | 
 | }; | 
 |  | 
 | /* retrieve the I/O timeouts to use for a given handle */ | 
 | static NTSTATUS get_io_timeouts( HANDLE handle, enum server_fd_type type, ULONG count, BOOL is_read, | 
 |                                  struct io_timeouts *timeouts ) | 
 | { | 
 |     NTSTATUS status = STATUS_SUCCESS; | 
 |  | 
 |     timeouts->interval = timeouts->total = -1; | 
 |  | 
 |     switch(type) | 
 |     { | 
 |     case FD_TYPE_SERIAL: | 
 |         { | 
 |             /* GetCommTimeouts */ | 
 |             SERIAL_TIMEOUTS st; | 
 |             IO_STATUS_BLOCK io; | 
 |  | 
 |             status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io, | 
 |                                             IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) ); | 
 |             if (status) break; | 
 |  | 
 |             if (is_read) | 
 |             { | 
 |                 if (st.ReadIntervalTimeout) | 
 |                     timeouts->interval = st.ReadIntervalTimeout; | 
 |  | 
 |                 if (st.ReadTotalTimeoutMultiplier || st.ReadTotalTimeoutConstant) | 
 |                 { | 
 |                     timeouts->total = st.ReadTotalTimeoutConstant; | 
 |                     if (st.ReadTotalTimeoutMultiplier != MAXDWORD) | 
 |                         timeouts->total += count * st.ReadTotalTimeoutMultiplier; | 
 |                 } | 
 |                 else if (st.ReadIntervalTimeout == MAXDWORD) | 
 |                     timeouts->interval = 0; | 
 |             } | 
 |             else  /* write */ | 
 |             { | 
 |                 if (st.WriteTotalTimeoutMultiplier || st.WriteTotalTimeoutConstant) | 
 |                 { | 
 |                     timeouts->total = st.WriteTotalTimeoutConstant; | 
 |                     if (st.WriteTotalTimeoutMultiplier != MAXDWORD) | 
 |                         timeouts->total += count * st.WriteTotalTimeoutMultiplier; | 
 |                 } | 
 |             } | 
 |         } | 
 |         break; | 
 |     case FD_TYPE_MAILSLOT: | 
 |         if (is_read) | 
 |         { | 
 |             timeouts->interval = 0;  /* return as soon as we got something */ | 
 |             SERVER_START_REQ( set_mailslot_info ) | 
 |             { | 
 |                 req->handle = handle; | 
 |                 req->flags = 0; | 
 |                 if (!(status = wine_server_call( req )) && | 
 |                     reply->read_timeout != TIMEOUT_INFINITE) | 
 |                     timeouts->total = reply->read_timeout / -10000; | 
 |             } | 
 |             SERVER_END_REQ; | 
 |         } | 
 |         break; | 
 |     case FD_TYPE_SOCKET: | 
 |     case FD_TYPE_PIPE: | 
 |     case FD_TYPE_CHAR: | 
 |         if (is_read) timeouts->interval = 0;  /* return as soon as we got something */ | 
 |         break; | 
 |     default: | 
 |         break; | 
 |     } | 
 |     if (timeouts->total != -1) timeouts->end_time = NtGetTickCount() + timeouts->total; | 
 |     return STATUS_SUCCESS; | 
 | } | 
 |  | 
 |  | 
 | /* retrieve the timeout for the next wait, in milliseconds */ | 
 | static inline int get_next_io_timeout( struct io_timeouts *timeouts, ULONG already ) | 
 | { | 
 |     int ret = -1; | 
 |  | 
 |     if (timeouts->total != -1) | 
 |     { | 
 |         ret = timeouts->end_time - NtGetTickCount(); | 
 |         if (ret < 0) ret = 0; | 
 |     } | 
 |     if (already && timeouts->interval != -1) | 
 |     { | 
 |         if (ret == -1 || ret > timeouts->interval) ret = timeouts->interval; | 
 |     } | 
 |     return ret; | 
 | } | 
 |  | 
 |  | 
 | /* retrieve the avail_mode flag for async reads */ | 
 | static NTSTATUS get_io_avail_mode( HANDLE handle, enum server_fd_type type, BOOL *avail_mode ) | 
 | { | 
 |     NTSTATUS status = STATUS_SUCCESS; | 
 |  | 
 |     switch(type) | 
 |     { | 
 |     case FD_TYPE_SERIAL: | 
 |         { | 
 |             /* GetCommTimeouts */ | 
 |             SERIAL_TIMEOUTS st; | 
 |             IO_STATUS_BLOCK io; | 
 |  | 
 |             status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io, | 
 |                                             IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) ); | 
 |             if (status) break; | 
 |             *avail_mode = (!st.ReadTotalTimeoutMultiplier && | 
 |                            !st.ReadTotalTimeoutConstant && | 
 |                            st.ReadIntervalTimeout == MAXDWORD); | 
 |         } | 
 |         break; | 
 |     case FD_TYPE_MAILSLOT: | 
 |     case FD_TYPE_SOCKET: | 
 |     case FD_TYPE_PIPE: | 
 |     case FD_TYPE_CHAR: | 
 |         *avail_mode = TRUE; | 
 |         break; | 
 |     default: | 
 |         *avail_mode = FALSE; | 
 |         break; | 
 |     } | 
 |     return status; | 
 | } | 
 |  | 
 |  | 
 | /****************************************************************************** | 
 |  *  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, timeout_init_done = 0; | 
 |     unsigned int options; | 
 |     struct io_timeouts timeouts; | 
 |     NTSTATUS status; | 
 |     ULONG total = 0; | 
 |     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; | 
 |  | 
 |     status = server_get_unix_fd( hFile, FILE_READ_DATA, &unix_handle, | 
 |                                  &needs_close, &type, &options ); | 
 |     if (status) return status; | 
 |  | 
 |     if (type == FD_TYPE_FILE && offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */ ) | 
 |     { | 
 |         /* async I/O doesn't make sense on regular files */ | 
 |         while ((result = pread( unix_handle, buffer, length, offset->QuadPart )) == -1) | 
 |         { | 
 |             if (errno != EINTR) | 
 |             { | 
 |                 status = FILE_GetNtStatus(); | 
 |                 goto done; | 
 |             } | 
 |         } | 
 |         if (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)) | 
 |             /* update file pointer position */ | 
 |             lseek( unix_handle, offset->QuadPart + result, SEEK_SET ); | 
 |  | 
 |         total = result; | 
 |         status = total ? STATUS_SUCCESS : STATUS_END_OF_FILE; | 
 |         goto done; | 
 |     } | 
 |  | 
 |     for (;;) | 
 |     { | 
 |         if ((result = read( unix_handle, (char *)buffer + total, length - total )) >= 0) | 
 |         { | 
 |             total += result; | 
 |             if (!result || total == length) | 
 |             { | 
 |                 if (total) | 
 |                     status = STATUS_SUCCESS; | 
 |                 else | 
 |                     status = (type == FD_TYPE_FILE) ? STATUS_END_OF_FILE : STATUS_PIPE_BROKEN; | 
 |                 goto done; | 
 |             } | 
 |         } | 
 |         else | 
 |         { | 
 |             if (errno == EINTR) continue; | 
 |             if (errno != EAGAIN) | 
 |             { | 
 |                 status = FILE_GetNtStatus(); | 
 |                 goto done; | 
 |             } | 
 |         } | 
 |  | 
 |         if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT))) | 
 |         { | 
 |             async_fileio_read *fileio; | 
 |             BOOL avail_mode; | 
 |  | 
 |             if ((status = get_io_avail_mode( hFile, type, &avail_mode ))) | 
 |                 goto done; | 
 |             if (total && avail_mode) | 
 |             { | 
 |                 status = STATUS_SUCCESS; | 
 |                 goto done; | 
 |             } | 
 |  | 
 |             if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*fileio)))) | 
 |             { | 
 |                 status = STATUS_NO_MEMORY; | 
 |                 goto done; | 
 |             } | 
 |             fileio->handle = hFile; | 
 |             fileio->already = total; | 
 |             fileio->count = length; | 
 |             fileio->buffer = buffer; | 
 |             fileio->avail_mode = avail_mode; | 
 |  | 
 |             SERVER_START_REQ( register_async ) | 
 |             { | 
 |                 req->handle = hFile; | 
 |                 req->type   = ASYNC_TYPE_READ; | 
 |                 req->count  = length; | 
 |                 req->async.callback = FILE_AsyncReadService; | 
 |                 req->async.iosb     = io_status; | 
 |                 req->async.arg      = fileio; | 
 |                 req->async.apc      = apc; | 
 |                 req->async.apc_arg  = apc_user; | 
 |                 req->async.event    = hEvent; | 
 |                 status = wine_server_call( req ); | 
 |             } | 
 |             SERVER_END_REQ; | 
 |  | 
 |             if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio ); | 
 |             else NtCurrentTeb()->num_async_io++; | 
 |             goto done; | 
 |         } | 
 |         else  /* synchronous read, wait for the fd to become ready */ | 
 |         { | 
 |             struct pollfd pfd; | 
 |             int ret, timeout; | 
 |  | 
 |             if (!timeout_init_done) | 
 |             { | 
 |                 timeout_init_done = 1; | 
 |                 if ((status = get_io_timeouts( hFile, type, length, TRUE, &timeouts ))) | 
 |                     goto done; | 
 |                 if (hEvent) NtResetEvent( hEvent, NULL ); | 
 |             } | 
 |             timeout = get_next_io_timeout( &timeouts, total ); | 
 |  | 
 |             pfd.fd = unix_handle; | 
 |             pfd.events = POLLIN; | 
 |  | 
 |             if (!timeout || !(ret = poll( &pfd, 1, timeout ))) | 
 |             { | 
 |                 if (total)  /* return with what we got so far */ | 
 |                     status = STATUS_SUCCESS; | 
 |                 else | 
 |                     status = (type == FD_TYPE_MAILSLOT) ? STATUS_IO_TIMEOUT : STATUS_TIMEOUT; | 
 |                 goto done; | 
 |             } | 
 |             if (ret == -1 && errno != EINTR) | 
 |             { | 
 |                 status = FILE_GetNtStatus(); | 
 |                 goto done; | 
 |             } | 
 |             /* will now restart the read */ | 
 |         } | 
 |     } | 
 |  | 
 | done: | 
 |     if (needs_close) close( unix_handle ); | 
 |     if (status == STATUS_SUCCESS) | 
 |     { | 
 |         io_status->u.Status = status; | 
 |         io_status->Information = total; | 
 |         TRACE("= SUCCESS (%u)\n", total); | 
 |         if (hEvent) NtSetEvent( hEvent, NULL ); | 
 |         if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc, | 
 |                                    (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 ); | 
 |     } | 
 |     else | 
 |     { | 
 |         TRACE("= 0x%08x\n", status); | 
 |         if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL ); | 
 |     } | 
 |     return status; | 
 | } | 
 |  | 
 | /*********************************************************************** | 
 |  *             FILE_AsyncWriteService      (INTERNAL) | 
 |  */ | 
 | static NTSTATUS FILE_AsyncWriteService(void *user, IO_STATUS_BLOCK *iosb, NTSTATUS status) | 
 | { | 
 |     async_fileio_write *fileio = user; | 
 |     int result, fd, needs_close; | 
 |     enum server_fd_type type; | 
 |  | 
 |     TRACE("(%p %p 0x%x)\n",iosb, fileio->buffer, status); | 
 |  | 
 |     switch (status) | 
 |     { | 
 |     case STATUS_ALERTED: | 
 |         /* write some data (non-blocking) */ | 
 |         if ((status = server_get_unix_fd( fileio->handle, FILE_WRITE_DATA, &fd, | 
 |                                           &needs_close, &type, NULL ))) | 
 |             break; | 
 |  | 
 |         if (!fileio->count && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET)) | 
 |             result = send( fd, fileio->buffer, 0, 0 ); | 
 |         else | 
 |             result = write( fd, &fileio->buffer[fileio->already], fileio->count - fileio->already ); | 
 |  | 
 |         if (needs_close) close( fd ); | 
 |  | 
 |         if (result < 0) | 
 |         { | 
 |             if (errno == EAGAIN || errno == EINTR) status = STATUS_PENDING; | 
 |             else status = FILE_GetNtStatus(); | 
 |         } | 
 |         else | 
 |         { | 
 |             fileio->already += result; | 
 |             status = (fileio->already < fileio->count) ? STATUS_PENDING : STATUS_SUCCESS; | 
 |             TRACE("wrote %d more bytes %u/%u so far\n", result, fileio->already, fileio->count); | 
 |         } | 
 |         break; | 
 |  | 
 |     case STATUS_TIMEOUT: | 
 |     case STATUS_IO_TIMEOUT: | 
 |         if (fileio->already) status = STATUS_SUCCESS; | 
 |         break; | 
 |     } | 
 |     if (status != STATUS_PENDING) | 
 |     { | 
 |         iosb->u.Status = status; | 
 |         iosb->Information = fileio->already; | 
 |         RtlFreeHeap( GetProcessHeap(), 0, fileio ); | 
 |     } | 
 |     return status; | 
 | } | 
 |  | 
 | /****************************************************************************** | 
 |  *  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, timeout_init_done = 0; | 
 |     unsigned int options; | 
 |     struct io_timeouts timeouts; | 
 |     NTSTATUS status; | 
 |     ULONG total = 0; | 
 |     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; | 
 |  | 
 |     status = server_get_unix_fd( hFile, FILE_WRITE_DATA, &unix_handle, | 
 |                                  &needs_close, &type, &options ); | 
 |     if (status) return status; | 
 |  | 
 |     if (type == FD_TYPE_FILE && offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */ ) | 
 |     { | 
 |         /* async I/O doesn't make sense on regular files */ | 
 |         while ((result = pwrite( unix_handle, buffer, length, offset->QuadPart )) == -1) | 
 |         { | 
 |             if (errno != EINTR) | 
 |             { | 
 |                 if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER; | 
 |                 else status = FILE_GetNtStatus(); | 
 |                 goto done; | 
 |             } | 
 |         } | 
 |  | 
 |         if (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)) | 
 |             /* update file pointer position */ | 
 |             lseek( unix_handle, offset->QuadPart + result, SEEK_SET ); | 
 |  | 
 |         total = result; | 
 |         status = STATUS_SUCCESS; | 
 |         goto done; | 
 |     } | 
 |  | 
 |     for (;;) | 
 |     { | 
 |         /* zero-length writes on sockets may not work with plain write(2) */ | 
 |         if (!length && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET)) | 
 |             result = send( unix_handle, buffer, 0, 0 ); | 
 |         else | 
 |             result = write( unix_handle, (const char *)buffer + total, length - total ); | 
 |  | 
 |         if (result >= 0) | 
 |         { | 
 |             total += result; | 
 |             if (total == length) | 
 |             { | 
 |                 status = STATUS_SUCCESS; | 
 |                 goto done; | 
 |             } | 
 |         } | 
 |         else | 
 |         { | 
 |             if (errno == EINTR) continue; | 
 |             if (errno != EAGAIN) | 
 |             { | 
 |                 if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER; | 
 |                 else status = FILE_GetNtStatus(); | 
 |                 goto done; | 
 |             } | 
 |         } | 
 |  | 
 |         if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT))) | 
 |         { | 
 |             async_fileio_write *fileio; | 
 |  | 
 |             if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*fileio)))) | 
 |             { | 
 |                 status = STATUS_NO_MEMORY; | 
 |                 goto done; | 
 |             } | 
 |             fileio->handle = hFile; | 
 |             fileio->already = total; | 
 |             fileio->count = length; | 
 |             fileio->buffer = buffer; | 
 |  | 
 |             SERVER_START_REQ( register_async ) | 
 |             { | 
 |                 req->handle = hFile; | 
 |                 req->type   = ASYNC_TYPE_WRITE; | 
 |                 req->count  = length; | 
 |                 req->async.callback = FILE_AsyncWriteService; | 
 |                 req->async.iosb     = io_status; | 
 |                 req->async.arg      = fileio; | 
 |                 req->async.apc      = apc; | 
 |                 req->async.apc_arg  = apc_user; | 
 |                 req->async.event    = hEvent; | 
 |                 status = wine_server_call( req ); | 
 |             } | 
 |             SERVER_END_REQ; | 
 |  | 
 |             if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio ); | 
 |             else NtCurrentTeb()->num_async_io++; | 
 |             goto done; | 
 |         } | 
 |         else  /* synchronous write, wait for the fd to become ready */ | 
 |         { | 
 |             struct pollfd pfd; | 
 |             int ret, timeout; | 
 |  | 
 |             if (!timeout_init_done) | 
 |             { | 
 |                 timeout_init_done = 1; | 
 |                 if ((status = get_io_timeouts( hFile, type, length, FALSE, &timeouts ))) | 
 |                     goto done; | 
 |                 if (hEvent) NtResetEvent( hEvent, NULL ); | 
 |             } | 
 |             timeout = get_next_io_timeout( &timeouts, total ); | 
 |  | 
 |             pfd.fd = unix_handle; | 
 |             pfd.events = POLLIN; | 
 |  | 
 |             if (!timeout || !(ret = poll( &pfd, 1, timeout ))) | 
 |             { | 
 |                 /* return with what we got so far */ | 
 |                 status = total ? STATUS_SUCCESS : STATUS_TIMEOUT; | 
 |                 goto done; | 
 |             } | 
 |             if (ret == -1 && errno != EINTR) | 
 |             { | 
 |                 status = FILE_GetNtStatus(); | 
 |                 goto done; | 
 |             } | 
 |             /* will now restart the write */ | 
 |         } | 
 |     } | 
 |  | 
 | done: | 
 |     if (needs_close) close( unix_handle ); | 
 |     if (status == STATUS_SUCCESS) | 
 |     { | 
 |         io_status->u.Status = status; | 
 |         io_status->Information = total; | 
 |         TRACE("= SUCCESS (%u)\n", total); | 
 |         if (hEvent) NtSetEvent( hEvent, NULL ); | 
 |         if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc, | 
 |                                    (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 ); | 
 |     } | 
 |     else | 
 |     { | 
 |         TRACE("= 0x%08x\n", status); | 
 |         if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL ); | 
 |     } | 
 |     return status; | 
 | } | 
 |  | 
 |  | 
 | /* callback for ioctl async I/O completion */ | 
 | static NTSTATUS ioctl_completion( void *arg, IO_STATUS_BLOCK *io, NTSTATUS status ) | 
 | { | 
 |     io->u.Status = status; | 
 |     return status; | 
 | } | 
 |  | 
 | /* do a ioctl call through the server */ | 
 | static NTSTATUS server_ioctl_file( HANDLE handle, HANDLE event, | 
 |                                    PIO_APC_ROUTINE apc, PVOID apc_context, | 
 |                                    IO_STATUS_BLOCK *io, ULONG code, | 
 |                                    PVOID in_buffer, ULONG in_size, | 
 |                                    PVOID out_buffer, ULONG out_size ) | 
 | { | 
 |     NTSTATUS status; | 
 |  | 
 |     SERVER_START_REQ( ioctl ) | 
 |     { | 
 |         req->handle         = handle; | 
 |         req->code           = code; | 
 |         req->async.callback = ioctl_completion; | 
 |         req->async.iosb     = io; | 
 |         req->async.arg      = NULL; | 
 |         req->async.apc      = apc; | 
 |         req->async.apc_arg  = apc_context; | 
 |         req->async.event    = event; | 
 |         wine_server_add_data( req, in_buffer, in_size ); | 
 |         wine_server_set_reply( req, out_buffer, out_size ); | 
 |         if (!(status = wine_server_call( req ))) | 
 |             io->Information = wine_server_reply_size( reply ); | 
 |     } | 
 |     SERVER_END_REQ; | 
 |  | 
 |     if (status == STATUS_NOT_SUPPORTED) | 
 |         FIXME("Unsupported ioctl %x (device=%x access=%x func=%x method=%x)\n", | 
 |               code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3); | 
 |  | 
 |     return 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); | 
 |     NTSTATUS status; | 
 |  | 
 |     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: | 
 |         status = CDROM_DeviceIoControl(handle, event, apc, apc_context, io, code, | 
 |                                        in_buffer, in_size, out_buffer, out_size); | 
 |         break; | 
 |     case FILE_DEVICE_SERIAL_PORT: | 
 |         status = COMM_DeviceIoControl(handle, event, apc, apc_context, io, code, | 
 |                                       in_buffer, in_size, out_buffer, out_size); | 
 |         break; | 
 |     case FILE_DEVICE_TAPE: | 
 |         status = TAPE_DeviceIoControl(handle, event, apc, apc_context, io, code, | 
 |                                       in_buffer, in_size, out_buffer, out_size); | 
 |         break; | 
 |     default: | 
 |         status = server_ioctl_file( handle, event, apc, apc_context, io, code, | 
 |                                     in_buffer, in_size, out_buffer, out_size ); | 
 |         break; | 
 |     } | 
 |     if (status != STATUS_PENDING) io->u.Status = status; | 
 |     return status; | 
 | } | 
 |  | 
 |  | 
 | /************************************************************************** | 
 |  *              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) | 
 | { | 
 |     NTSTATUS status; | 
 |  | 
 |     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: | 
 |         status = server_ioctl_file( handle, event, apc, apc_context, io, code, | 
 |                                     in_buffer, in_size, out_buffer, out_size ); | 
 |         if (!status) status = DIR_unmount_device( handle ); | 
 |         break; | 
 |  | 
 |     case FSCTL_PIPE_LISTEN: | 
 |     case FSCTL_PIPE_WAIT: | 
 |         { | 
 |             HANDLE internal_event = 0; | 
 |  | 
 |             if(!event && !apc) | 
 |             { | 
 |                 status = NtCreateEvent(&internal_event, EVENT_ALL_ACCESS, NULL, FALSE, FALSE); | 
 |                 if (status != STATUS_SUCCESS) break; | 
 |                 event = internal_event; | 
 |             } | 
 |             status = server_ioctl_file( handle, event, apc, apc_context, io, code, | 
 |                                         in_buffer, in_size, out_buffer, out_size ); | 
 |  | 
 |             if (internal_event && status == STATUS_PENDING) | 
 |             { | 
 |                 while (NtWaitForSingleObject(internal_event, TRUE, NULL) == STATUS_USER_APC) /*nothing*/ ; | 
 |                 status = io->u.Status; | 
 |             } | 
 |             if (internal_event) NtClose(internal_event); | 
 |         } | 
 |         break; | 
 |  | 
 |     case FSCTL_PIPE_PEEK: | 
 |         { | 
 |             FILE_PIPE_PEEK_BUFFER *buffer = out_buffer; | 
 |             int avail = 0, fd, needs_close; | 
 |  | 
 |             if (out_size < FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data )) | 
 |             { | 
 |                 status = STATUS_INFO_LENGTH_MISMATCH; | 
 |                 break; | 
 |             } | 
 |  | 
 |             if ((status = server_get_unix_fd( handle, FILE_READ_DATA, &fd, &needs_close, NULL, NULL ))) | 
 |                 break; | 
 |  | 
 | #ifdef FIONREAD | 
 |             if (ioctl( fd, FIONREAD, &avail ) != 0) | 
 |             { | 
 |                 TRACE("FIONREAD failed reason: %s\n",strerror(errno)); | 
 |                 if (needs_close) close( fd ); | 
 |                 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 ); | 
 |                     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 ); | 
 |             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: | 
 |         status = server_ioctl_file( handle, event, apc, apc_context, io, code, | 
 |                                     in_buffer, in_size, out_buffer, out_size ); | 
 |         if (!status) | 
 |         { | 
 |             int fd = server_remove_fd_from_cache( handle ); | 
 |             if (fd != -1) close( fd ); | 
 |         } | 
 |         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); | 
 |         status = STATUS_SUCCESS; | 
 |         break; | 
 |  | 
 |     default: | 
 |         status = server_ioctl_file( handle, event, apc, apc_context, io, code, | 
 |                                     in_buffer, in_size, out_buffer, out_size ); | 
 |         break; | 
 |     } | 
 |  | 
 |     if (status != STATUS_PENDING) io->u.Status = status; | 
 |     return 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 = FALSE; | 
 |  | 
 |     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; | 
 |                 } | 
 |             } | 
 |             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; | 
 |                 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; | 
 |  | 
 |     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); | 
 |  | 
 |     /* assume we only get relative timeout */ | 
 |     if (timeout->QuadPart > 0) | 
 |         FIXME("Wrong time %s\n", wine_dbgstr_longlong(timeout->QuadPart)); | 
 |  | 
 |     SERVER_START_REQ( create_named_pipe ) | 
 |     { | 
 |         req->access  = access; | 
 |         req->attributes = attr->Attributes; | 
 |         req->rootdir = attr->RootDirectory; | 
 |         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; | 
 |         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) | 
 | { | 
 |     LARGE_INTEGER timeout; | 
 |     NTSTATUS ret; | 
 |  | 
 |     TRACE("%p %08x %p %p %08x %08x %08x %p\n", | 
 |               pHandle, DesiredAccess, attr, IoStatusBlock, | 
 |               CreateOptions, MailslotQuota, MaxMessageSize, TimeOut); | 
 |  | 
 |     if (!pHandle) return STATUS_ACCESS_VIOLATION; | 
 |     if (!attr) return STATUS_INVALID_PARAMETER; | 
 |     if (!attr->ObjectName) return STATUS_OBJECT_PATH_SYNTAX_BAD; | 
 |  | 
 |     /* | 
 |      *  For a NULL TimeOut pointer set the default timeout value | 
 |      */ | 
 |     if  (!TimeOut) | 
 |         timeout.QuadPart = -1; | 
 |     else | 
 |         timeout.QuadPart = TimeOut->QuadPart; | 
 |  | 
 |     SERVER_START_REQ( create_mailslot ) | 
 |     { | 
 |         req->access = DesiredAccess; | 
 |         req->attributes = attr->Attributes; | 
 |         req->rootdir = attr->RootDirectory; | 
 |         req->max_msgsize = MaxMessageSize; | 
 |         req->read_timeout = timeout.QuadPart; | 
 |         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; | 
 | } |