diff options
| -rw-r--r-- | mbbsd/mbbsd.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/mbbsd/mbbsd.c b/mbbsd/mbbsd.c index 0fe860e1..c6d9f182 100644 --- a/mbbsd/mbbsd.c +++ b/mbbsd/mbbsd.c @@ -1462,8 +1462,15 @@ set_connection_opt(int sock) const struct linger lin = {0}; // keep alive: server will check target connection (default 2 hours) - const int on = 1; + const int on = 1; setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE, (void*)&on, sizeof(on)); + +#if defined(SOL_TCP) && defined(TCP_KEEPIDLE) + { + const int idle = 300*2; // experimental, minimal keep alive check + setsockopt(sock, SOL_TCP, TCP_KEEPIDLE, (void*)idle, sizeof(idle)); + } +#endif // fast close setsockopt(sock, SOL_SOCKET, SO_LINGER, &lin, sizeof(lin)); |