28 lines
386 B
Go
28 lines
386 B
Go
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// +build !windows
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package chroot
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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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// See: http://linux.die.net/include/sys/file.h
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const LOCK_EX = 2
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const LOCK_NB = 4
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const LOCK_UN = 8
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func lockFile(f *os.File) error {
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err := unix.Flock(int(f.Fd()), LOCK_EX)
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if err != nil {
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return err
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}
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return nil
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}
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func unlockFile(f *os.File) error {
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return unix.Flock(int(f.Fd()), LOCK_UN)
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}
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