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net: fix build on old Linux kernels
Thanks to Mike Beller for identifying the problem. Fixes #1442. R=bradfitz, bradfitzgo CC=golang-dev https://golang.org/cl/4102042
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@ -25,7 +25,7 @@ func runEcho(fd io.ReadWriter, done chan<- int) {
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for {
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n, err := fd.Read(buf[0:])
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if err != nil || n == 0 {
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if err != nil || n == 0 || string(buf[:n]) == "END" {
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break
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}
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fd.Write(buf[0:n])
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@ -79,6 +79,13 @@ func connect(t *testing.T, network, addr string, isEmpty bool) {
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if n != len(b) || err1 != nil {
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t.Fatalf("fd.Read() = %d, %v (want %d, nil)", n, err1, len(b))
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}
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// Send explicit ending for unixpacket.
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// Older Linux kernels do stop reads on close.
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if network == "unixpacket" {
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fd.Write([]byte("END"))
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}
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fd.Close()
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}
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