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Diffstat (limited to 'misc/cgo/test/issue9400/gccgo.go')
-rw-r--r-- | misc/cgo/test/issue9400/gccgo.go | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/misc/cgo/test/issue9400/gccgo.go b/misc/cgo/test/issue9400/gccgo.go new file mode 100644 index 0000000..a9b62b0 --- /dev/null +++ b/misc/cgo/test/issue9400/gccgo.go @@ -0,0 +1,26 @@ +// 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() + } +} |