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31 lines
884 B
Go
31 lines
884 B
Go
// Copyright 2017 The Prometheus Authors
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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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//go:build !windows && !plan9 && !js
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package fileutil
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import (
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"os"
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"golang.org/x/sys/unix"
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)
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func mmap(f *os.File, length int) ([]byte, error) {
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return unix.Mmap(int(f.Fd()), 0, length, unix.PROT_READ, unix.MAP_SHARED)
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}
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func munmap(b []byte) (err error) {
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return unix.Munmap(b)
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}
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