1 // Copyright 2014 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 // +build gccgo 6 7 package issue9400 8 9 import ( 10 "runtime" 11 "sync/atomic" 12 ) 13 14 // The test for the gc compiler resets the stack pointer so that the 15 // stack gets modified. We don't have a way to do that for gccgo 16 // without writing more assembly code, which we haven't bothered to 17 // do. So this is not much of a test. 18 19 func RewindAndSetgid() { 20 atomic.StoreInt32(&Baton, 1) 21 for atomic.LoadInt32(&Baton) != 0 { 22 runtime.Gosched() 23 } 24 } 25
