1 files changed, 5 insertions, 4 deletions

diff --git a/ot_socket.h b/ot_socket.h
index 20fd839..21d04b1 100644
--- a/ot_socket.h
+++ b/ot_socket.h
@@ -15,13 +15,14 @@
    cleared, so one descriptor serves both families and an IPv4 peer arrives
    as the v4 mapped address */
 
-/* Ask the kernel to let several processes bind the same address */
-extern int g_socket_reuseport;
+/* How an address may be shared with other sockets. Which socket option says
+   so differs between kernels, which is socket_set_sharing's business */
+typedef enum { SOCKET_EXCLUSIVE, SOCKET_SHARED } socket_sharing;
 
 /* Create, bind and, for TCP, listen. The returned socket is non blocking
    Returns -1 on failure with errno set */
-int     socket_tcp_listen(const ot_ip6 ip, uint16_t port);
-int     socket_udp_bind(const ot_ip6 ip, uint16_t port);
+int     socket_tcp_listen(const ot_ip6 ip, uint16_t port, socket_sharing sharing);
+int     socket_udp_bind(const ot_ip6 ip, uint16_t port, socket_sharing sharing);
 
 int     socket_tcp_connect(const ot_ip6 srcip, uint16_t srcport, const ot_ip6 dstip, uint16_t dstport);
 int     socket_is_connected(int s);