Fix some scan-build warnings

[pgbouncer] / src / pooler.c

diff --git a/src/pooler.c b/src/pooler.c
index 1a74cff7943cf974f18ea04b8136d0d9beb03d4a..9dd9a3bd9ce6956696c0ba4f6ec561227cc0bcb7 100644 (file)
--- a/src/pooler.c
+++ b/src/pooler.c
@@ -120,6 +120,30 @@ static bool add_listen(int af, const struct sockaddr *sa, int salen)
        }
 #endif
 
+       /*
+        * If configured, set SO_REUSEPORT or equivalent.  If it's not
+        * enabled, just leave the socket alone.  (We could also unset
+        * the socket option in that case, but this area is fairly
+        * unportable, so perhaps better to avoid it.)
+        */
+       if (af != AF_UNIX && cf_so_reuseport) {
+#if defined(SO_REUSEPORT)
+               int val = 1;
+               errpos = "setsockopt/SO_REUSEPORT";
+               res = setsockopt(sock, SOL_SOCKET, SO_REUSEPORT, &val, sizeof(val));
+               if (res < 0)
+                       goto failed;
+#elif defined(SO_REUSEPORT_LB)
+               int val = 1;
+               errpos = "setsockopt/SO_REUSEPORT_LB";
+               res = setsockopt(sock, SOL_SOCKET, SO_REUSEPORT_LB, &val, sizeof(val));
+               if (res < 0)
+                       goto failed;
+#else
+               fatal("so_reuseport not supported on this platform");
+#endif
+       }
+
        /* bind it */
        errpos = "bind";
        res = bind(sock, sa, salen);