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21 lines
342 B
Go
21 lines
342 B
Go
//go:build unix
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package srs
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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 mmapFile(file *os.File, size int) ([]byte, func(), error) {
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data, err := unix.Mmap(int(file.Fd()), 0, size, unix.PROT_READ, unix.MAP_PRIVATE)
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if err != nil {
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return nil, nil, err
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}
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os.Remove(file.Name())
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return data, func() {
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unix.Munmap(data)
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}, nil
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}
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