Executing commands / Timing out process execution / Essential Go
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package main
import (
"fmt"
"log"
"os/exec"
"sync/atomic"
"time"
)
func main() {
cmd := exec.Command("go", "version")
err := cmd.Start()
if err != nil {
log.Fatalf("cmd.Start() failed with '%s'\n", err)
}
var timedOut int32
timeout := 1 * time.Millisecond
stopTimer := time.AfterFunc(timeout, func() {
cmd.Process.Kill()
atomic.StoreInt32(&timedOut, 1)
})
err = cmd.Wait()
stopTimer.Stop()
didTimeout := atomic.LoadInt32(&timedOut) != 0
fmt.Printf("didTimeout: %v, err: %v\n", didTimeout, err)
}
Go
INFO