net/RBindSocket: enable SO_REUSEADDR

CM4all · Jan 5, 2024 · 540fdc8 · 540fdc8
1 parent d2c4fd9
commit 540fdc8
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/src/net/RBindSocket.cxx b/src/net/RBindSocket.cxx
@@ -21,6 +21,11 @@ ResolveBindSocket(const char *host_and_port, int default_port,
 	if (!s.CreateNonBlock(ai.GetFamily(), ai.GetType(), ai.GetProtocol()))
 		throw MakeSocketError("Failed to create socket");
 
+	if (ai.IsTCP())
+		/* always set SO_REUSEADDR for TCP sockets to allow
+		   quick restarts */
+		s.SetReuseAddress();
+
 	if (!s.Bind(ai))
 		throw MakeSocketError("Failed to bind");
 
@@ -37,6 +42,11 @@ ParseBindSocket(const char *host_and_port, int default_port, int socktype)
 	if (!s.CreateNonBlock(address.GetFamily(), socktype, 0))
 		throw MakeSocketError("Failed to create socket");
 
+	if (address.IsInet() && socktype == SOCK_STREAM)
+		/* always set SO_REUSEADDR for TCP sockets to allow
+		   quick restarts */
+		s.SetReuseAddress();
+
 	if (!s.Bind(address))
 		throw MakeSocketError("Failed to bind");