stuzer05 hat die Gist bearbeitet . Zu Änderung gehen
1 file changed, 23 insertions
main.go(Datei erstellt)
| @@ -0,0 +1,23 @@ | |||
| 1 | + | func doWork(ctx context.Context) { | |
| 2 | + | for { | |
| 3 | + | select { | |
| 4 | + | case <-ctx.Done(): | |
| 5 | + | return | |
| 6 | + | default: | |
| 7 | + | } | |
| 8 | + | ||
| 9 | + | time.Sleep(1 * time.Second) | |
| 10 | + | fmt.Println("doing work...") | |
| 11 | + | } | |
| 12 | + | } | |
| 13 | + | ||
| 14 | + | func main() { | |
| 15 | + | bgCtx := context.Background() | |
| 16 | + | innerCtx, cancel := context.WithCancel(bgCtx) | |
| 17 | + | ||
| 18 | + | go doWork(innerCtx) // call goroutine | |
| 19 | + | time.Sleep(3 * time.Second) // do work in main | |
| 20 | + | ||
| 21 | + | // well, if `doWork` is still not done, just cancel it | |
| 22 | + | cancel() | |
| 23 | + | } | |
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