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server: Implement server-side named pipe write. 

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2017-03-21 13:03:39 +01:00 committed by Alexandre Julliard
parent 4b2d5171e0
commit 7ae689d668
1 changed files with 49 additions and 2 deletions
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51
server/named_pipe.c
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@ -154,6 +154,7 @@ static const struct object_ops named_pipe_ops =
};
/* common server and client pipe end functions */
static obj_handle_t pipe_end_write( struct fd *fd, struct async *async_data, int blocking, file_pos_t pos );
static void pipe_end_queue_async( struct fd *fd, struct async *async, int type, int count );
static void pipe_end_reselect_async( struct fd *fd, struct async_queue *queue );
@ -194,7 +195,7 @@ static const struct fd_ops pipe_server_fd_ops =
default_poll_event, /* poll_event */
pipe_server_get_fd_type, /* get_fd_type */
no_fd_read, /* read */
no_fd_write, /* write */
pipe_end_write, /* write */
pipe_server_flush, /* flush */
pipe_server_ioctl, /* ioctl */
pipe_end_queue_async, /* queue_async */
@ -237,7 +238,7 @@ static const struct fd_ops pipe_client_fd_ops =
default_poll_event, /* poll_event */
pipe_client_get_fd_type, /* get_fd_type */
no_fd_read, /* read */
no_fd_write, /* write */
pipe_end_write, /* write */
pipe_client_flush, /* flush */
default_fd_ioctl, /* ioctl */
pipe_end_queue_async, /* queue_async */
@ -711,6 +712,52 @@ static void reselect_write_queue( struct pipe_end *pipe_end )
ignore_reselect = 0;
}
static obj_handle_t pipe_end_write( struct fd *fd, struct async *async, int blocking, file_pos_t pos )
{
struct pipe_end *write_end = get_fd_user( fd );
struct pipe_end *read_end = write_end->connection;
struct pipe_message *message;
obj_handle_t handle = 0;
if (!use_server_io( write_end )) return no_fd_write( fd, async, blocking, pos );
if (!read_end)
{
set_error( STATUS_PIPE_DISCONNECTED );
return 0;
}
if (!write_end->write_q && !(write_end->write_q = create_async_queue( fd ))) return 0;
if (!(handle = alloc_handle( current->process, async, SYNCHRONIZE, 0 ))) return 0;
if (!(message = mem_alloc( sizeof(*message) )))
{
close_handle( current->process, handle );
return 0;
}
message->async = (struct async *)grab_object( async );
message->iosb = async_get_iosb( async );
message->read_pos = 0;
list_add_tail( &read_end->message_queue, &message->entry );
queue_async( write_end->write_q, async );
reselect_write_queue( write_end );
set_error( STATUS_PENDING );
if (!blocking)
{
struct iosb *iosb;
iosb = async_get_iosb( async );
if (iosb->status == STATUS_PENDING)
{
close_handle( current->process, handle );
handle = 0;
}
release_object( iosb );
}
return handle;
}
static void pipe_end_queue_async( struct fd *fd, struct async *async, int type, int count )
{
struct pipe_end *pipe_end = get_fd_user( fd );