Added a method on UDPConn so they can actually send broadcast packets.

R=rsc https://golang.org/cl/162046

Added a method on UDPConn so they can actually send broadcast packets.
R=rsc https://golang.org/cl/162046
229807c8 · Jonathan Wills · Russ Cox · a85c258e · 229807c8
Commit 229807c8 authored Nov 30, 2009 by Jonathan Wills Committed by Russ Cox Nov 30, 2009
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udpsock.go src/pkg/net/udpsock.go +5 -1

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--- a/src/pkg/net/udpsock.go
+++ b/src/pkg/net/udpsock.go
@@ -71,7 +71,11 @@ type UDPConn struct {
 	fd *netFD;
 }
-func newUDPConn(fd *netFD) *UDPConn	{ return &UDPConn{fd} }
+func newUDPConn(fd *netFD) *UDPConn {
+	c := &UDPConn{fd};
+	setsockoptInt(fd.fd, syscall.SOL_SOCKET, syscall.SO_BROADCAST, 1);
+	return c;
+}
 func (c *UDPConn) ok() bool	{ return c != nil && c.fd != nil }