36 lines
859 B
Go
36 lines
859 B
Go
package main
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"os"
|
|
"os/signal"
|
|
"time"
|
|
|
|
"github.com/alitto/pond"
|
|
)
|
|
|
|
// Pressing Ctrl+C while this program is running will cause the program to terminate gracefully.
|
|
// Tasks being processed will continue until they finish, but queued tasks are cancelled.
|
|
func main() {
|
|
|
|
// Create a context that will be cancelled when the user presses Ctrl+C (process receives termination signal).
|
|
ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt)
|
|
defer stop()
|
|
|
|
// Create a pool and pass the context to it.
|
|
pool := pond.New(1, 1000, pond.Context(ctx))
|
|
defer pool.StopAndWait()
|
|
|
|
// Submit several long runnning tasks
|
|
var count int = 100
|
|
for i := 0; i < count; i++ {
|
|
n := i
|
|
pool.Submit(func() {
|
|
fmt.Printf("Task #%d started\n", n)
|
|
time.Sleep(1 * time.Second)
|
|
fmt.Printf("Task #%d finished\n", n)
|
|
})
|
|
}
|
|
}
|