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net: enable UDP broadcast before it is needed (instead of after)
Fixes #526. R=r CC=golang-dev https://golang.org/cl/186211
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@ -35,6 +35,9 @@ func socket(net string, f, p, t int, la, ra syscall.Sockaddr, toAddr func(syscal
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// Allow reuse of recently-used addresses.
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syscall.SetsockoptInt(s, syscall.SOL_SOCKET, syscall.SO_REUSEADDR, 1)
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// Allow broadcast.
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syscall.SetsockoptInt(s, syscall.SOL_SOCKET, syscall.SO_BROADCAST, 1)
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if la != nil {
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e = syscall.Bind(s, la)
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if e != 0 {
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@ -71,11 +71,7 @@ type UDPConn struct {
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fd *netFD
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}
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func newUDPConn(fd *netFD) *UDPConn {
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c := &UDPConn{fd}
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setsockoptInt(fd.sysfd, syscall.SOL_SOCKET, syscall.SO_BROADCAST, 1)
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return c
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}
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func newUDPConn(fd *netFD) *UDPConn { return &UDPConn{fd} }
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func (c *UDPConn) ok() bool { return c != nil && c.fd != nil }
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