24 lines
673 B
Go
24 lines
673 B
Go
// Copyright 2019 The gVisor Authors.
|
|
//
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package gvsync
|
|
|
|
import (
|
|
"unsafe"
|
|
)
|
|
|
|
// Memmove is exported for SeqAtomicLoad/SeqAtomicTryLoad<T>, which can't
|
|
// define it because go_generics can't update the go:linkname annotation.
|
|
// Furthermore, go:linkname silently doesn't work if the local name is exported
|
|
// (this is of course undocumented), which is why this indirection is
|
|
// necessary.
|
|
func Memmove(to, from unsafe.Pointer, n uintptr) {
|
|
memmove(to, from, n)
|
|
}
|
|
|
|
//go:linkname memmove runtime.memmove
|
|
//go:noescape
|
|
func memmove(to, from unsafe.Pointer, n uintptr)
|