mirror of
https://github.com/golang/go
synced 2024-11-08 03:46:10 -07:00
29673a4be6
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.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
// +build gccgo
|
|
|
|
package issue9400
|
|
|
|
import (
|
|
"runtime"
|
|
"sync/atomic"
|
|
)
|
|
|
|
// The test for the gc compiler resets the stack pointer so that the
|
|
// stack gets modified. We don't have a way to do that for gccgo
|
|
// without writing more assembly code, which we haven't bothered to
|
|
// do. So this is not much of a test.
|
|
|
|
var Baton int32
|
|
|
|
func RewindAndSetgid() {
|
|
atomic.StoreInt32(&Baton, 1)
|
|
for atomic.LoadInt32(&Baton) != 0 {
|
|
runtime.Gosched()
|
|
}
|
|
}
|