resident_lease_windows.go RawHistoryFolder

1//go:build windows
2
3package subagents
4
5import (
6	"errors"
7	"os"
8
9	"golang.org/x/sys/windows"
10)
11
12func lockResidentLease(file *os.File) error {
13	err := windows.LockFileEx(
14		windows.Handle(file.Fd()),
15		windows.LOCKFILE_EXCLUSIVE_LOCK|windows.LOCKFILE_FAIL_IMMEDIATELY,
16		0,
17		1,
18		0,
19		&windows.Overlapped{},
20	)
21	if errors.Is(err, windows.ERROR_LOCK_VIOLATION) || errors.Is(err, windows.ERROR_SHARING_VIOLATION) {
22		return ErrResidentLeaseBusy
23	}
24	return err
25}
26
27func unlockResidentLease(file *os.File) error {
28	return windows.UnlockFileEx(windows.Handle(file.Fd()), 0, 1, 0, &windows.Overlapped{})
29}