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Lorenzo Ferrillo
wine
Commits
c07a0561
Commit
c07a0561
authored
9 years ago
by
Alexandre Julliard
Browse files
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Patches
Plain Diff
ntdll: Fallback to server calls for read and write on objects without a file descriptor.
parent
6073e75a
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Changes
1
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1 changed file
dlls/ntdll/file.c
+140
-39
140 additions, 39 deletions
dlls/ntdll/file.c
with
140 additions
and
39 deletions
dlls/ntdll/file.c
+
140
−
39
View file @
c07a0561
...
...
@@ -353,6 +353,14 @@ struct async_fileio_write
unsigned
int
count
;
};
struct
async_irp
{
struct
async_fileio
io
;
HANDLE
event
;
/* async event */
void
*
buffer
;
/* buffer for output */
ULONG
size
;
/* size of buffer */
};
static
struct
async_fileio
*
fileio_freelist
;
static
void
release_fileio
(
struct
async_fileio
*
io
)
...
...
@@ -387,6 +395,33 @@ static struct async_fileio *alloc_fileio( DWORD size, HANDLE handle, PIO_APC_ROU
return
io
;
}
/* callback for irp async I/O completion */
static
NTSTATUS
irp_completion
(
void
*
user
,
IO_STATUS_BLOCK
*
io
,
NTSTATUS
status
,
void
**
apc
,
void
**
arg
)
{
struct
async_irp
*
async
=
user
;
if
(
status
==
STATUS_ALERTED
)
{
SERVER_START_REQ
(
get_irp_result
)
{
req
->
handle
=
wine_server_obj_handle
(
async
->
io
.
handle
);
req
->
user_arg
=
wine_server_client_ptr
(
async
);
wine_server_set_reply
(
req
,
async
->
buffer
,
async
->
size
);
status
=
wine_server_call
(
req
);
if
(
status
!=
STATUS_PENDING
)
io
->
Information
=
reply
->
size
;
}
SERVER_END_REQ
;
}
if
(
status
!=
STATUS_PENDING
)
{
io
->
u
.
Status
=
status
;
*
apc
=
async
->
io
.
apc
;
*
arg
=
async
->
io
.
apc_arg
;
release_fileio
(
&
async
->
io
);
}
return
status
;
}
/***********************************************************************
* FILE_GetNtStatus(void)
*
...
...
@@ -499,6 +534,102 @@ static NTSTATUS FILE_AsyncReadService( void *user, IO_STATUS_BLOCK *iosb,
return
status
;
}
/* do a read call through the server */
static
NTSTATUS
server_read_file
(
HANDLE
handle
,
HANDLE
event
,
PIO_APC_ROUTINE
apc
,
void
*
apc_context
,
IO_STATUS_BLOCK
*
io
,
void
*
buffer
,
ULONG
size
,
LARGE_INTEGER
*
offset
,
ULONG
*
key
)
{
struct
async_irp
*
async
;
NTSTATUS
status
;
HANDLE
wait_handle
;
ULONG
options
;
ULONG_PTR
cvalue
=
apc
?
0
:
(
ULONG_PTR
)
apc_context
;
if
(
!
(
async
=
(
struct
async_irp
*
)
alloc_fileio
(
sizeof
(
*
async
),
handle
,
apc
,
apc_context
)))
return
STATUS_NO_MEMORY
;
async
->
event
=
event
;
async
->
buffer
=
buffer
;
async
->
size
=
size
;
SERVER_START_REQ
(
read
)
{
req
->
blocking
=
!
apc
&&
!
event
&&
!
cvalue
;
req
->
async
.
handle
=
wine_server_obj_handle
(
handle
);
req
->
async
.
callback
=
wine_server_client_ptr
(
irp_completion
);
req
->
async
.
iosb
=
wine_server_client_ptr
(
io
);
req
->
async
.
arg
=
wine_server_client_ptr
(
async
);
req
->
async
.
event
=
wine_server_obj_handle
(
event
);
req
->
async
.
cvalue
=
cvalue
;
req
->
pos
=
offset
?
offset
->
QuadPart
:
0
;
wine_server_set_reply
(
req
,
buffer
,
size
);
status
=
wine_server_call
(
req
);
wait_handle
=
wine_server_ptr_handle
(
reply
->
wait
);
options
=
reply
->
options
;
if
(
status
!=
STATUS_PENDING
)
io
->
Information
=
wine_server_reply_size
(
reply
);
}
SERVER_END_REQ
;
if
(
status
!=
STATUS_PENDING
)
RtlFreeHeap
(
GetProcessHeap
(),
0
,
async
);
if
(
wait_handle
)
{
NtWaitForSingleObject
(
wait_handle
,
(
options
&
FILE_SYNCHRONOUS_IO_ALERT
),
NULL
);
status
=
io
->
u
.
Status
;
NtClose
(
wait_handle
);
}
return
status
;
}
/* do a write call through the server */
static
NTSTATUS
server_write_file
(
HANDLE
handle
,
HANDLE
event
,
PIO_APC_ROUTINE
apc
,
void
*
apc_context
,
IO_STATUS_BLOCK
*
io
,
const
void
*
buffer
,
ULONG
size
,
LARGE_INTEGER
*
offset
,
ULONG
*
key
)
{
struct
async_irp
*
async
;
NTSTATUS
status
;
HANDLE
wait_handle
;
ULONG
options
;
ULONG_PTR
cvalue
=
apc
?
0
:
(
ULONG_PTR
)
apc_context
;
if
(
!
(
async
=
(
struct
async_irp
*
)
alloc_fileio
(
sizeof
(
*
async
),
handle
,
apc
,
apc_context
)))
return
STATUS_NO_MEMORY
;
async
->
event
=
event
;
async
->
buffer
=
NULL
;
async
->
size
=
0
;
SERVER_START_REQ
(
write
)
{
req
->
blocking
=
!
apc
&&
!
event
&&
!
cvalue
;
req
->
async
.
handle
=
wine_server_obj_handle
(
handle
);
req
->
async
.
callback
=
wine_server_client_ptr
(
irp_completion
);
req
->
async
.
iosb
=
wine_server_client_ptr
(
io
);
req
->
async
.
arg
=
wine_server_client_ptr
(
async
);
req
->
async
.
event
=
wine_server_obj_handle
(
event
);
req
->
async
.
cvalue
=
cvalue
;
req
->
pos
=
offset
?
offset
->
QuadPart
:
0
;
wine_server_add_data
(
req
,
buffer
,
size
);
status
=
wine_server_call
(
req
);
wait_handle
=
wine_server_ptr_handle
(
reply
->
wait
);
options
=
reply
->
options
;
if
(
status
!=
STATUS_PENDING
)
io
->
Information
=
reply
->
size
;
}
SERVER_END_REQ
;
if
(
status
!=
STATUS_PENDING
)
RtlFreeHeap
(
GetProcessHeap
(),
0
,
async
);
if
(
wait_handle
)
{
NtWaitForSingleObject
(
wait_handle
,
(
options
&
FILE_SYNCHRONOUS_IO_ALERT
),
NULL
);
status
=
io
->
u
.
Status
;
NtClose
(
wait_handle
);
}
return
status
;
}
struct
io_timeouts
{
int
interval
;
/* max interval between two bytes */
...
...
@@ -675,6 +806,9 @@ NTSTATUS WINAPI NtReadFile(HANDLE hFile, HANDLE hEvent,
status
=
server_get_unix_fd
(
hFile
,
FILE_READ_DATA
,
&
unix_handle
,
&
needs_close
,
&
type
,
&
options
);
if
(
status
==
STATUS_BAD_DEVICE_TYPE
)
return
server_read_file
(
hFile
,
hEvent
,
apc
,
apc_user
,
io_status
,
buffer
,
length
,
offset
,
key
);
if
(
status
)
return
status
;
async_read
=
!
(
options
&
(
FILE_SYNCHRONOUS_IO_ALERT
|
FILE_SYNCHRONOUS_IO_NONALERT
));
...
...
@@ -1056,6 +1190,9 @@ NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
status
=
server_get_unix_fd
(
hFile
,
FILE_WRITE_DATA
,
&
unix_handle
,
&
needs_close
,
&
type
,
&
options
);
if
(
status
==
STATUS_BAD_DEVICE_TYPE
)
return
server_write_file
(
hFile
,
hEvent
,
apc
,
apc_user
,
io_status
,
buffer
,
length
,
offset
,
key
);
if
(
status
==
STATUS_ACCESS_DENIED
)
{
status
=
server_get_unix_fd
(
hFile
,
FILE_APPEND_DATA
,
&
unix_handle
,
...
...
@@ -1352,42 +1489,6 @@ NTSTATUS WINAPI NtWriteFileGather( HANDLE file, HANDLE event, PIO_APC_ROUTINE ap
}
struct
async_ioctl
{
struct
async_fileio
io
;
HANDLE
event
;
/* async event */
void
*
buffer
;
/* buffer for output */
ULONG
size
;
/* size of buffer */
};
/* callback for ioctl async I/O completion */
static
NTSTATUS
ioctl_completion
(
void
*
user
,
IO_STATUS_BLOCK
*
io
,
NTSTATUS
status
,
void
**
apc
,
void
**
arg
)
{
struct
async_ioctl
*
async
=
user
;
if
(
status
==
STATUS_ALERTED
)
{
SERVER_START_REQ
(
get_irp_result
)
{
req
->
handle
=
wine_server_obj_handle
(
async
->
io
.
handle
);
req
->
user_arg
=
wine_server_client_ptr
(
async
);
wine_server_set_reply
(
req
,
async
->
buffer
,
async
->
size
);
status
=
wine_server_call
(
req
);
if
(
status
!=
STATUS_PENDING
)
io
->
Information
=
wine_server_reply_size
(
reply
);
}
SERVER_END_REQ
;
}
if
(
status
!=
STATUS_PENDING
)
{
io
->
u
.
Status
=
status
;
*
apc
=
async
->
io
.
apc
;
*
arg
=
async
->
io
.
apc_arg
;
release_fileio
(
&
async
->
io
);
}
return
status
;
}
/* do an ioctl call through the server */
static
NTSTATUS
server_ioctl_file
(
HANDLE
handle
,
HANDLE
event
,
PIO_APC_ROUTINE
apc
,
PVOID
apc_context
,
...
...
@@ -1395,13 +1496,13 @@ static NTSTATUS server_ioctl_file( HANDLE handle, HANDLE event,
const
void
*
in_buffer
,
ULONG
in_size
,
PVOID
out_buffer
,
ULONG
out_size
)
{
struct
async_i
octl
*
async
;
struct
async_i
rp
*
async
;
NTSTATUS
status
;
HANDLE
wait_handle
;
ULONG
options
;
ULONG_PTR
cvalue
=
apc
?
0
:
(
ULONG_PTR
)
apc_context
;
if
(
!
(
async
=
(
struct
async_i
octl
*
)
alloc_fileio
(
sizeof
(
*
async
),
handle
,
apc
,
apc_context
)))
if
(
!
(
async
=
(
struct
async_i
rp
*
)
alloc_fileio
(
sizeof
(
*
async
),
handle
,
apc
,
apc_context
)))
return
STATUS_NO_MEMORY
;
async
->
event
=
event
;
async
->
buffer
=
out_buffer
;
...
...
@@ -1412,7 +1513,7 @@ static NTSTATUS server_ioctl_file( HANDLE handle, HANDLE event,
req
->
code
=
code
;
req
->
blocking
=
!
apc
&&
!
event
&&
!
cvalue
;
req
->
async
.
handle
=
wine_server_obj_handle
(
handle
);
req
->
async
.
callback
=
wine_server_client_ptr
(
i
octl
_completion
);
req
->
async
.
callback
=
wine_server_client_ptr
(
i
rp
_completion
);
req
->
async
.
iosb
=
wine_server_client_ptr
(
io
);
req
->
async
.
arg
=
wine_server_client_ptr
(
async
);
req
->
async
.
event
=
wine_server_obj_handle
(
event
);
...
...
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