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lines changed Original file line number Diff line number Diff line change @@ -28,7 +28,10 @@ import (
2828func main() {
2929 // start
3030 diskqueue.Config.Path = "/tmp"
31- queue := diskqueue.Start()
31+ queue, err := diskqueue.Start()
32+ if err != nil {
33+ log.Fatalln(err)
34+ }
3235
3336 // write data
3437 err := queue.Write([]byte("data"))
Original file line number Diff line number Diff line change @@ -3,6 +3,7 @@ package diskqueue
33import (
44 "errors"
55 "io"
6+ "os"
67 "sync"
78 "time"
89)
3031)
3132
3233// Start diskqueue
33- func Start () * Diskqueue {
34+ func Start () (* Diskqueue , error ) {
35+ if _ , err := os .Stat (Config .Path ); err != nil {
36+ return nil , err
37+ }
38+
3439 queue := & Diskqueue {close : false }
3540 queue .ticker = time .NewTicker (Config .BatchTime )
3641 Reader .restore ()
@@ -44,7 +49,8 @@ func Start() *Diskqueue {
4449 queue .Unlock ()
4550 }
4651 }()
47- return queue
52+
53+ return queue , nil
4854}
4955
5056// Write data
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