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28 lines
574 B
Go
28 lines
574 B
Go
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// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//+build darwin
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package filch
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import (
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"fmt"
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"os"
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"syscall"
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"golang.org/x/sys/unix"
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)
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func openFileSync(path string, flag int, perm os.FileMode) (*os.File, error) {
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f, err := os.OpenFile(path, flag, perm)
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if err != nil {
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return nil, err
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}
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_, err = unix.FcntlInt(uintptr(f.Fd()), syscall.F_NOCACHE, 1)
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if err != nil {
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return nil, fmt.Errorf("openFileSync: %w", err)
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}
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return f, nil
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}
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