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server: Create iosb objects inside read/write request handlers. 

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2017-01-26 00:51:49 +01:00 committed by Alexandre Julliard
parent 437123b58a
commit cf08bd0e38
3 changed files with 62 additions and 47 deletions
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34
server/device.c
View File

@ -176,9 +176,9 @@ static int device_file_close_handle( struct object *obj, struct process *process
static void device_file_destroy( struct object *obj );
static enum server_fd_type device_file_get_fd_type( struct fd *fd );
static obj_handle_t device_file_read( struct fd *fd, const async_data_t *async_data, int blocking,
file_pos_t pos );
file_pos_t pos, struct iosb *iosb );
static obj_handle_t device_file_write( struct fd *fd, const async_data_t *async_data, int blocking,
file_pos_t pos, data_size_t *written );
file_pos_t pos, struct iosb *iosb );
static obj_handle_t device_file_flush( struct fd *fd, const async_data_t *async_data, int blocking );
static obj_handle_t device_file_ioctl( struct fd *fd, ioctl_code_t code, const async_data_t *async_data,
int blocking );
@ -246,8 +246,7 @@ static void irp_call_destroy( struct object *obj )
if (irp->thread) release_object( irp->thread );
}
static struct irp_call *create_irp( struct device_file *file, const irp_params_t *params,
const void *in_data, data_size_t in_size, data_size_t out_size )
static struct irp_call *create_irp( struct device_file *file, const irp_params_t *params, struct iosb *iosb )
{
struct irp_call *irp;
@ -264,7 +263,11 @@ static struct irp_call *create_irp( struct device_file *file, const irp_params_t
irp->async = NULL;
irp->params = *params;
if (!(irp->iosb = create_iosb( in_data, in_size, out_size )))
if (iosb)
{
irp->iosb = (struct iosb *)grab_object( iosb );
}
else if (!(irp->iosb = create_iosb( NULL, 0, 0 )))
{
release_object( irp );
irp = NULL;
@ -381,7 +384,7 @@ static struct object *device_open_file( struct object *obj, unsigned int access,
params.create.options = options;
params.create.device = file->device->user_ptr;
if ((irp = create_irp( file, &params, NULL, 0, 0 )))
if ((irp = create_irp( file, &params, NULL )))
{
add_irp_to_queue( file, irp, NULL );
release_object( irp );
@ -417,7 +420,7 @@ static int device_file_close_handle( struct object *obj, struct process *process
params.close.major = IRP_MJ_CLOSE;
params.close.file = file->user_ptr;
if ((irp = create_irp( file, &params, NULL, 0, 0 )))
if ((irp = create_irp( file, &params, NULL )))
{
add_irp_to_queue( file, irp, NULL );
release_object( irp );
@ -489,7 +492,7 @@ static enum server_fd_type device_file_get_fd_type( struct fd *fd )
}
static obj_handle_t device_file_read( struct fd *fd, const async_data_t *async_data, int blocking,
file_pos_t pos )
file_pos_t pos, struct iosb *iosb )
{
struct device_file *file = get_fd_user( fd );
struct irp_call *irp;
@ -502,7 +505,7 @@ static obj_handle_t device_file_read( struct fd *fd, const async_data_t *async_d
params.read.pos = pos;
params.read.file = file->user_ptr;
irp = create_irp( file, &params, NULL, 0, get_reply_max_size() );
irp = create_irp( file, &params, iosb );
if (!irp) return 0;
handle = queue_irp( file, irp, async_data, blocking );
@ -511,7 +514,7 @@ static obj_handle_t device_file_read( struct fd *fd, const async_data_t *async_d
}
static obj_handle_t device_file_write( struct fd *fd, const async_data_t *async_data, int blocking,
file_pos_t pos, data_size_t *written )
file_pos_t pos, struct iosb *iosb )
{
struct device_file *file = get_fd_user( fd );
struct irp_call *irp;
@ -524,7 +527,7 @@ static obj_handle_t device_file_write( struct fd *fd, const async_data_t *async_
params.write.pos = pos;
params.write.file = file->user_ptr;
irp = create_irp( file, &params, get_req_data(), get_req_data_size(), 0 );
irp = create_irp( file, &params, iosb );
if (!irp) return 0;
handle = queue_irp( file, irp, async_data, blocking );
@ -543,7 +546,7 @@ static obj_handle_t device_file_flush( struct fd *fd, const async_data_t *async_
params.flush.major = IRP_MJ_FLUSH_BUFFERS;
params.flush.file = file->user_ptr;
irp = create_irp( file, &params, NULL, 0, 0 );
irp = create_irp( file, &params, NULL );
if (!irp) return 0;
handle = queue_irp( file, irp, async_data, blocking );
@ -558,14 +561,17 @@ static obj_handle_t device_file_ioctl( struct fd *fd, ioctl_code_t code, const a
struct irp_call *irp;
obj_handle_t handle;
irp_params_t params;
struct iosb *iosb;
memset( &params, 0, sizeof(params) );
params.ioctl.major = IRP_MJ_DEVICE_CONTROL;
params.ioctl.code = code;
params.ioctl.file = file->user_ptr;
irp = create_irp( file, &params, get_req_data(), get_req_data_size(),
get_reply_max_size() );
iosb = create_iosb( get_req_data(), get_req_data_size(), get_reply_max_size() );
if (!iosb) return 0;
irp = create_irp( file, &params, iosb );
release_object(iosb);
if (!irp) return 0;
handle = queue_irp( file, irp, async_data, blocking );

24
server/fd.c
View File

@ -2163,7 +2163,7 @@ static void unmount_device( struct fd *device_fd )
}
/* default read() routine */
obj_handle_t no_fd_read( struct fd *fd, const async_data_t *async, int blocking, file_pos_t pos )
obj_handle_t no_fd_read( struct fd *fd, const async_data_t *async, int blocking, file_pos_t pos, struct iosb *iosb )
{
set_error( STATUS_OBJECT_TYPE_MISMATCH );
return 0;
@ -2171,7 +2171,7 @@ obj_handle_t no_fd_read( struct fd *fd, const async_data_t *async, int blocking,
/* default write() routine */
obj_handle_t no_fd_write( struct fd *fd, const async_data_t *async, int blocking,
file_pos_t pos, data_size_t *written )
file_pos_t pos, struct iosb *iosb )
{
set_error( STATUS_OBJECT_TYPE_MISMATCH );
return 0;
@ -2446,26 +2446,34 @@ DECL_HANDLER(get_handle_fd)
DECL_HANDLER(read)
{
struct fd *fd = get_handle_fd_obj( current->process, req->async.handle, FILE_READ_DATA );
struct iosb *iosb;
if (fd)
if (!fd) return;
if ((iosb = create_iosb( NULL, 0, get_reply_max_size() )))
{
reply->wait = fd->fd_ops->read( fd, &req->async, req->blocking, req->pos );
reply->wait = fd->fd_ops->read( fd, &req->async, req->blocking, req->pos, iosb );
reply->options = fd->options;
release_object( fd );
release_object( iosb );
}
release_object( fd );
}
/* perform a write on a file object */
DECL_HANDLER(write)
{
struct fd *fd = get_handle_fd_obj( current->process, req->async.handle, FILE_WRITE_DATA );
struct iosb *iosb;
if (fd)
if (!fd) return;
if ((iosb = create_iosb( get_req_data(), get_req_data_size(), 0 )))
{
reply->wait = fd->fd_ops->write( fd, &req->async, req->blocking, req->pos, &reply->size );
reply->wait = fd->fd_ops->write( fd, &req->async, req->blocking, req->pos, iosb );
reply->options = fd->options;
release_object( fd );
release_object( iosb );
}
release_object( fd );
}
/* perform an ioctl on a file */

51
server/file.h
View File

@ -30,29 +30,6 @@ struct mapping;
struct async_queue;
struct completion;
/* operations valid on file descriptor objects */
struct fd_ops
{
/* get the events we want to poll() for on this object */
int (*get_poll_events)(struct fd *);
/* a poll() event occurred */
void (*poll_event)(struct fd *,int event);
/* get file information */
enum server_fd_type (*get_fd_type)(struct fd *fd);
/* perform a read on the file */
obj_handle_t (*read)(struct fd *, const async_data_t *, int, file_pos_t );
/* perform a write on the file */
obj_handle_t (*write)(struct fd *, const async_data_t *, int, file_pos_t, data_size_t * );
/* flush the object buffers */
obj_handle_t (*flush)(struct fd *, const async_data_t *, int);
/* perform an ioctl on the file */
obj_handle_t (*ioctl)(struct fd *fd, ioctl_code_t code, const async_data_t *async, int blocking );
/* queue an async operation */
void (*queue_async)(struct fd *, const async_data_t *data, int type, int count);
/* selected events for async i/o need an update */
void (*reselect_async)( struct fd *, struct async_queue *queue );
};
/* server-side representation of I/O status block */
struct iosb
{
@ -65,6 +42,29 @@ struct iosb
void *out_data; /* output data */
};
/* operations valid on file descriptor objects */
struct fd_ops
{
/* get the events we want to poll() for on this object */
int (*get_poll_events)(struct fd *);
/* a poll() event occurred */
void (*poll_event)(struct fd *,int event);
/* get file information */
enum server_fd_type (*get_fd_type)(struct fd *fd);
/* perform a read on the file */
obj_handle_t (*read)(struct fd *, const async_data_t *, int, file_pos_t, struct iosb * );
/* perform a write on the file */
obj_handle_t (*write)(struct fd *, const async_data_t *, int, file_pos_t, struct iosb * );
/* flush the object buffers */
obj_handle_t (*flush)(struct fd *, const async_data_t *, int);
/* perform an ioctl on the file */
obj_handle_t (*ioctl)(struct fd *fd, ioctl_code_t code, const async_data_t *async, int blocking );
/* queue an async operation */
void (*queue_async)(struct fd *, const async_data_t *data, int type, int count);
/* selected events for async i/o need an update */
void (*reselect_async)( struct fd *, struct async_queue *queue );
};
/* file descriptor functions */
extern struct fd *alloc_pseudo_fd( const struct fd_ops *fd_user_ops, struct object *user,
@ -100,9 +100,10 @@ extern void default_poll_event( struct fd *fd, int event );
extern struct async *fd_queue_async( struct fd *fd, const async_data_t *data, struct iosb *iosb, int type );
extern void fd_async_wake_up( struct fd *fd, int type, unsigned int status );
extern void fd_reselect_async( struct fd *fd, struct async_queue *queue );
extern obj_handle_t no_fd_read( struct fd *fd, const async_data_t *async, int blocking, file_pos_t pos );
extern obj_handle_t no_fd_read( struct fd *fd, const async_data_t *async, int blocking, file_pos_t pos,
struct iosb *iosb );
extern obj_handle_t no_fd_write( struct fd *fd, const async_data_t *async, int blocking,
file_pos_t pos, data_size_t *written );
file_pos_t pos, struct iosb *iosb );
extern obj_handle_t no_fd_flush( struct fd *fd, const async_data_t *async, int blocking );
extern obj_handle_t no_fd_ioctl( struct fd *fd, ioctl_code_t code, const async_data_t *async, int blocking );
extern obj_handle_t default_fd_ioctl( struct fd *fd, ioctl_code_t code, const async_data_t *async, int blocking );