30 lines
549 B
Go
30 lines
549 B
Go
//go:build windows
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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/windows"
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)
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func acquireHeldFileLock(file *os.File) error {
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err := windows.LockFileEx(
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windows.Handle(file.Fd()),
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windows.LOCKFILE_EXCLUSIVE_LOCK|windows.LOCKFILE_FAIL_IMMEDIATELY,
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0,
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1,
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0,
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&windows.Overlapped{},
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)
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if errors.Is(err, windows.ERROR_LOCK_VIOLATION) {
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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 windows.UnlockFileEx(windows.Handle(file.Fd()), 0, 1, 0, &windows.Overlapped{})
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}
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