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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>
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@ -154,6 +154,7 @@ static const struct object_ops named_pipe_ops =
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};
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/* common server and client pipe end functions */
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static obj_handle_t pipe_end_write( struct fd *fd, struct async *async_data, int blocking, file_pos_t pos );
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static void pipe_end_queue_async( struct fd *fd, struct async *async, int type, int count );
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static void pipe_end_reselect_async( struct fd *fd, struct async_queue *queue );
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@ -194,7 +195,7 @@ static const struct fd_ops pipe_server_fd_ops =
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default_poll_event, /* poll_event */
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pipe_server_get_fd_type, /* get_fd_type */
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no_fd_read, /* read */
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no_fd_write, /* write */
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pipe_end_write, /* write */
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pipe_server_flush, /* flush */
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pipe_server_ioctl, /* ioctl */
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pipe_end_queue_async, /* queue_async */
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@ -237,7 +238,7 @@ static const struct fd_ops pipe_client_fd_ops =
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default_poll_event, /* poll_event */
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pipe_client_get_fd_type, /* get_fd_type */
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no_fd_read, /* read */
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no_fd_write, /* write */
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pipe_end_write, /* write */
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pipe_client_flush, /* flush */
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default_fd_ioctl, /* ioctl */
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pipe_end_queue_async, /* queue_async */
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@ -711,6 +712,52 @@ static void reselect_write_queue( struct pipe_end *pipe_end )
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ignore_reselect = 0;
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}
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static obj_handle_t pipe_end_write( struct fd *fd, struct async *async, int blocking, file_pos_t pos )
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{
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struct pipe_end *write_end = get_fd_user( fd );
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struct pipe_end *read_end = write_end->connection;
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struct pipe_message *message;
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obj_handle_t handle = 0;
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if (!use_server_io( write_end )) return no_fd_write( fd, async, blocking, pos );
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if (!read_end)
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{
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set_error( STATUS_PIPE_DISCONNECTED );
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return 0;
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}
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if (!write_end->write_q && !(write_end->write_q = create_async_queue( fd ))) return 0;
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if (!(handle = alloc_handle( current->process, async, SYNCHRONIZE, 0 ))) return 0;
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if (!(message = mem_alloc( sizeof(*message) )))
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{
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close_handle( current->process, handle );
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return 0;
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}
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message->async = (struct async *)grab_object( async );
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message->iosb = async_get_iosb( async );
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message->read_pos = 0;
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list_add_tail( &read_end->message_queue, &message->entry );
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queue_async( write_end->write_q, async );
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reselect_write_queue( write_end );
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set_error( STATUS_PENDING );
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if (!blocking)
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{
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struct iosb *iosb;
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iosb = async_get_iosb( async );
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if (iosb->status == STATUS_PENDING)
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{
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close_handle( current->process, handle );
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handle = 0;
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}
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release_object( iosb );
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}
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return handle;
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}
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static void pipe_end_queue_async( struct fd *fd, struct async *async, int type, int count )
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{
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struct pipe_end *pipe_end = get_fd_user( fd );
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