stream.py: Make usage() function return a string.

[sliver-openvswitch.git] / lib / netlink-socket.c

diff --git a/lib/netlink-socket.c b/lib/netlink-socket.c
index 3674bac..0f4e3e7 100644 (file)
--- a/lib/netlink-socket.c
+++ b/lib/netlink-socket.c
@@ -668,6 +668,14 @@ nl_sock_wait(const struct nl_sock *sock, short int events)
     poll_fd_wait(sock->fd, events);
 }
 
+/* Checks whether this socket caused a wakeup in the previous run of the poll
+ * loop. */
+short int
+nl_sock_woke(const struct nl_sock *sock)
+{
+    return poll_fd_woke(sock->fd);
+}
+
 /* Returns the PID associated with this socket. */
 uint32_t
 nl_sock_pid(const struct nl_sock *sock)