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Ayush RanjanandgVisor bot
9495b294b9
Starting with Go 1.21, build tags select the language version. We currently have several `go:build go1.1` tags, which were intended to act as "true" tags. But that will break with 1.21. So replace them with "!false". Fixes #9568. PiperOrigin-RevId: 576020779
33 lines
979 B
Go
33 lines
979 B
Go
// Copyright 2020 The gVisor Authors.
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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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//go:build !false
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// +build !false
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package memutil
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import (
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"golang.org/x/sys/unix"
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)
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// MapFile returns a memory mapping configured by the given options as per
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// mmap(2).
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func MapFile(addr, size, prot, flags, fd, offset uintptr) (uintptr, error) {
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m, _, e := unix.RawSyscall6(unix.SYS_MMAP, addr, size, prot, flags, fd, offset)
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if e != 0 {
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return 0, e
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}
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return m, nil
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}
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