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server: Allow cancelling async I/O for all object types.

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This commit is contained in:
Alexandre Julliard 2015-05-06 13:48:05 +09:00
parent 62802339a5
commit 83e3a9c9ba
3 changed files with 11 additions and 10 deletions
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8
server/fd.c
View file

@ -2100,15 +2100,14 @@ void default_fd_reselect_async( struct fd *fd, struct async_queue *queue )
}
/* default cancel_async() fd routine */
void default_fd_cancel_async( struct fd *fd, struct process *process, struct thread *thread, client_ptr_t iosb )
int default_fd_cancel_async( struct fd *fd, struct process *process, struct thread *thread, client_ptr_t iosb )
{
int n = 0;
n += async_wake_up_by( fd->read_q, process, thread, iosb, STATUS_CANCELLED );
n += async_wake_up_by( fd->write_q, process, thread, iosb, STATUS_CANCELLED );
n += async_wake_up_by( fd->wait_q, process, thread, iosb, STATUS_CANCELLED );
if (!n && iosb)
set_error( STATUS_NOT_FOUND );
return n;
}
static inline int is_valid_mounted_device( struct stat *st )
@ -2377,7 +2376,8 @@ DECL_HANDLER(cancel_async)
if (fd)
{
if (get_unix_fd( fd ) != -1) fd->fd_ops->cancel_async( fd, current->process, thread, req->iosb );
int count = fd->fd_ops->cancel_async( fd, current->process, thread, req->iosb );
if (!count && req->iosb) set_error( STATUS_NOT_FOUND );
release_object( fd );
}
}

4
server/file.h
View file

@ -52,7 +52,7 @@ struct fd_ops
/* selected events for async i/o need an update */
void (*reselect_async)( struct fd *, struct async_queue *queue );
/* cancel an async operation */
void (*cancel_async)(struct fd *, struct process *process, struct thread *thread, client_ptr_t iosb);
int (*cancel_async)(struct fd *, struct process *process, struct thread *thread, client_ptr_t iosb);
};
/* file descriptor functions */
@ -98,7 +98,7 @@ extern obj_handle_t default_fd_ioctl( struct fd *fd, ioctl_code_t code, const as
extern void no_fd_queue_async( struct fd *fd, const async_data_t *data, int type, int count );
extern void default_fd_queue_async( struct fd *fd, const async_data_t *data, int type, int count );
extern void default_fd_reselect_async( struct fd *fd, struct async_queue *queue );
extern void default_fd_cancel_async( struct fd *fd, struct process *process, struct thread *thread, client_ptr_t iosb );
extern int default_fd_cancel_async( struct fd *fd, struct process *process, struct thread *thread, client_ptr_t iosb );
extern void main_loop(void);
extern void remove_process_locks( struct process *process );

9
server/sock.c
View file

@ -133,7 +133,7 @@ static enum server_fd_type sock_get_fd_type( struct fd *fd );
static obj_handle_t sock_ioctl( struct fd *fd, ioctl_code_t code, const async_data_t *async, int blocking );
static void sock_queue_async( struct fd *fd, const async_data_t *data, int type, int count );
static void sock_reselect_async( struct fd *fd, struct async_queue *queue );
static void sock_cancel_async( struct fd *fd, struct process *process, struct thread *thread, client_ptr_t iosb );
static int sock_cancel_async( struct fd *fd, struct process *process, struct thread *thread, client_ptr_t iosb );
static int sock_get_ntstatus( int err );
static int sock_get_error( int err );
@ -609,16 +609,17 @@ static void sock_reselect_async( struct fd *fd, struct async_queue *queue )
sock_reselect( sock );
}
static void sock_cancel_async( struct fd *fd, struct process *process, struct thread *thread, client_ptr_t iosb )
static int sock_cancel_async( struct fd *fd, struct process *process, struct thread *thread, client_ptr_t iosb )
{
struct sock *sock = get_fd_user( fd );
int n = 0;
assert( sock->obj.ops == &sock_ops );
n += async_wake_up_by( sock->read_q, process, thread, iosb, STATUS_CANCELLED );
n += async_wake_up_by( sock->write_q, process, thread, iosb, STATUS_CANCELLED );
if (!n && iosb)
set_error( STATUS_NOT_FOUND );
n += async_wake_up_by( sock->ifchange_q, process, thread, iosb, STATUS_CANCELLED );
return n;
}
static struct fd *sock_get_fd( struct object *obj )