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Current versions of gccgo issue a duplicate definition error when both a definition and an empty declaration occur. Use build tags to avoid that case for the issue9400 subdirectory. Change-Id: I18517af87bab05e9ca43f2f295459cf34347c317 Reviewed-on: https://go-review.googlesource.com/119896 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
27 lines
611 B
Go
27 lines
611 B
Go
// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build gccgo
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package issue9400
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import (
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"runtime"
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"sync/atomic"
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)
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// The test for the gc compiler resets the stack pointer so that the
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// stack gets modified. We don't have a way to do that for gccgo
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// without writing more assembly code, which we haven't bothered to
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// do. So this is not much of a test.
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var Baton int32
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func RewindAndSetgid() {
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atomic.StoreInt32(&Baton, 1)
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for atomic.LoadInt32(&Baton) != 0 {
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runtime.Gosched()
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}
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}
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