33 lines
1.1 KiB
Go
33 lines
1.1 KiB
Go
// Copyright 2018 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package sync
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import (
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"unsafe"
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)
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// Memmove is exported for SeqAtomicLoad/SeqAtomicTryLoad<T>, which can't
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// define it because go_generics can't update the go:linkname annotation.
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// Furthermore, go:linkname silently doesn't work if the local name is exported
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// (this is of course undocumented), which is why this indirection is
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// necessary.
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func Memmove(to, from unsafe.Pointer, n uintptr) {
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memmove(to, from, n)
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}
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//go:linkname memmove runtime.memmove
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//go:noescape
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func memmove(to, from unsafe.Pointer, n uintptr)
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