23 lines
427 B
Go
23 lines
427 B
Go
//go:build linux || darwin
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package artifacts
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import (
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"errors"
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"os"
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"golang.org/x/sys/unix"
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)
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func acquireHeldFileLock(file *os.File) error {
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err := unix.Flock(int(file.Fd()), unix.LOCK_EX|unix.LOCK_NB)
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if errors.Is(err, unix.EWOULDBLOCK) || errors.Is(err, unix.EAGAIN) {
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return errHeldLockConflict
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}
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return err
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}
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func releaseHeldFileLock(file *os.File) error {
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return unix.Flock(int(file.Fd()), unix.LOCK_UN)
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}
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