oxedyne/fe2o3/fe2o3_text/tests/detect_corpus/go/goroutines.txt
1.2 KiB, 1 run
created by r1870400018:11976, which is this file's identity for as long as the history lasts, whatever it is later renamed to
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| 1 | package worker |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "fmt" |
| 6 | "sync" |
| 7 | "time" |
| 8 | ) |
| 9 | |
| 10 | type Job struct { |
| 11 | ID int |
| 12 | Payload string |
| 13 | } |
| 14 | |
| 15 | type Result struct { |
| 16 | JobID int |
| 17 | Output string |
| 18 | Duration time.Duration |
| 19 | } |
| 20 | |
| 21 | func worker(ctx context.Context, id int, jobs <-chan Job, results chan<- Result) { |
| 22 | for { |
| 23 | select { |
| 24 | case <-ctx.Done(): |
| 25 | return |
| 26 | case job, ok := <-jobs: |
| 27 | if !ok { |
| 28 | return |
| 29 | } |
| 30 | start := time.Now() |
| 31 | output := process(job.Payload) |
| 32 | results <- Result{ |
| 33 | JobID: job.ID, |
| 34 | Output: output, |
| 35 | Duration: time.Since(start), |
| 36 | } |
| 37 | } |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | func process(payload string) string { |
| 42 | time.Sleep(10 * time.Millisecond) |
| 43 | return fmt.Sprintf("processed: %s", payload) |
| 44 | } |
| 45 | |
| 46 | func RunPool(ctx context.Context, numWorkers int, jobs []Job) []Result { |
| 47 | jobCh := make(chan Job, len(jobs)) |
| 48 | resultCh := make(chan Result, len(jobs)) |
| 49 | |
| 50 | var wg sync.WaitGroup |
| 51 | for i := 0; i < numWorkers; i++ { |
| 52 | wg.Add(1) |
| 53 | go func(id int) { |
| 54 | defer wg.Done() |
| 55 | worker(ctx, id, jobCh, resultCh) |
| 56 | }(i) |
| 57 | } |
| 58 | |
| 59 | for _, job := range jobs { |
| 60 | jobCh <- job |
| 61 | } |
| 62 | close(jobCh) |
| 63 | |
| 64 | go func() { |
| 65 | wg.Wait() |
| 66 | close(resultCh) |
| 67 | }() |
| 68 | |
| 69 | var results []Result |
| 70 | for r := range resultCh { |
| 71 | results = append(results, r) |
| 72 | } |
| 73 | return results |
| 74 | } |