process_windows.go RawHistoryFolder

1//go:build windows
2
3package bot
4
5import (
6	"errors"
7	"os"
8	"time"
9
10	"golang.org/x/sys/windows"
11)
12
13const stillActive = 259
14
15func processAlive(pid int) (bool, error) {
16	h, err := windows.OpenProcess(windows.PROCESS_QUERY_LIMITED_INFORMATION, false, uint32(pid))
17	if err != nil {
18		if errors.Is(err, windows.ERROR_INVALID_PARAMETER) {
19			return false, nil
20		}
21		if errors.Is(err, windows.ERROR_ACCESS_DENIED) {
22			return true, nil
23		}
24		return false, err
25	}
26	defer windows.CloseHandle(h)
27
28	var code uint32
29	if err := windows.GetExitCodeProcess(h, &code); err != nil {
30		return false, err
31	}
32	return code == stillActive, nil
33}
34
35func stopProcess(pid int, graceful time.Duration) error {
36	proc, err := os.FindProcess(pid)
37	if err != nil {
38		return err
39	}
40	_ = proc.Signal(os.Interrupt)
41
42	deadline := time.Now().Add(graceful)
43	for time.Now().Before(deadline) {
44		alive, err := processAlive(pid)
45		if err != nil || !alive {
46			return nil
47		}
48		time.Sleep(100 * time.Millisecond)
49	}
50	_ = proc.Kill()
51	return nil
52}