Copyright 2018 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 !openbsd

package runtime
osStackAlloc performs OS-specific initialization before s is used as stack memory.
func ( *mspan) {
}
osStackFree undoes the effect of osStackAlloc before s is returned to the heap.
func ( *mspan) {