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io: use SetFinalizer more elegantly in Pipe
(this works now that issue 751 is resolved) R=rsc CC=golang-dev https://golang.org/cl/2834041
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@ -292,20 +292,14 @@ func Pipe() (*PipeReader, *PipeWriter) {
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r.c2 = p.r2
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r.cclose = p.rclose
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r.done = p.done
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// TODO(rsc): Should be able to write
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// runtime.SetFinalizer(r, (*PipeReader).finalizer)
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// but 6g doesn't see the finalizer method.
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runtime.SetFinalizer(&r.pipeHalf, (*pipeHalf).finalizer)
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runtime.SetFinalizer(r, (*PipeReader).finalizer)
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w := new(PipeWriter)
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w.c1 = p.w1
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w.c2 = p.w2
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w.cclose = p.wclose
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w.done = p.done
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// TODO(rsc): Should be able to write
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// runtime.SetFinalizer(w, (*PipeWriter).finalizer)
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// but 6g doesn't see the finalizer method.
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runtime.SetFinalizer(&w.pipeHalf, (*pipeHalf).finalizer)
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runtime.SetFinalizer(w, (*PipeWriter).finalizer)
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return r, w
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}
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