add a txflush callback to osmo_stream_srv_send()stsp/destroy_conn_with_txflush_callback

Define a txlush() callback which can be set on a connection and
which will be invoked whenever the tx queue is empty upon entry
to osmo_stream_srv_send().

Change-Id: I4c63584af69f9a1ee5622a709756916bfef474ee

1 files changed, 1 insertions, 0 deletions

diff --git a/include/osmocom/netif/stream.h b/include/osmocom/netif/stream.h
index 4e1beb6..27a1be2 100644
--- a/include/osmocom/netif/stream.h
+++ b/include/osmocom/netif/stream.h
@@ -41,6 +41,7 @@ struct osmo_stream_srv_link *osmo_stream_srv_get_master(struct osmo_stream_srv *
 struct osmo_fd *osmo_stream_srv_get_ofd(struct osmo_stream_srv *srv);
 void osmo_stream_srv_destroy(struct osmo_stream_srv *conn);
 
+void osmo_stream_srv_set_txflushed_cb(struct osmo_stream_srv *conn, void (*txflushed_cb)(struct osmo_stream_srv *conn, void *data));
 void osmo_stream_srv_set_data(struct osmo_stream_srv *conn, void *data);
 
 void osmo_stream_srv_send(struct osmo_stream_srv *conn, struct msgb *msg);