conn: move booleans to bottom of StdNetBind struct
This results in a more compact structure. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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@ -29,17 +29,19 @@ var (
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// methods for sending and receiving multiple datagrams per-syscall. See the
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// proposal in https://github.com/golang/go/issues/45886#issuecomment-1218301564.
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type StdNetBind struct {
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mu sync.Mutex // protects following fields
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mu sync.Mutex // protects all fields except as specified
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ipv4 *net.UDPConn
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ipv6 *net.UDPConn
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blackhole4 bool
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blackhole6 bool
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ipv4PC *ipv4.PacketConn // will be nil on non-Linux
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ipv6PC *ipv6.PacketConn // will be nil on non-Linux
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udpAddrPool sync.Pool // following fields are not guarded by mu
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// these three fields are not guarded by mu
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udpAddrPool sync.Pool
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ipv4MsgsPool sync.Pool
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ipv6MsgsPool sync.Pool
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blackhole4 bool
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blackhole6 bool
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}
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func NewStdNetBind() Bind {
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