XS_KEEPALIVE options added

This option allows to turn on TCP keepalives on the underlying connections.

Signed-off-by: Martin Sustrik <sustrik@250bpm.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/src/options.hpp b/src/options.hpp
index 1ea61bd..3e47336 100644
--- a/src/options.hpp
+++ b/src/options.hpp
@@ -89,6 +89,9 @@ namespace xs
         //  connect to and accept connections from both IPv4 and IPv6 hosts.
         int ipv4only;
 
+        //  If 1, keepalives are to be sent periodically.
+        int keepalive;
+
         //  If true, session reads all the pending messages from the pipe and
         //  sends them to the network when socket is closed.
         bool delay_on_close;