nsqd/nsqlookupd: exit when tcp server accept error

apps/nsqd/nsqd.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"crypto/tls"
+	"errors"
 	"flag"
 	"fmt"
 	"log"
@@ -14,7 +15,7 @@ import (
 	"time"
 
 	"github.com/BurntSushi/toml"
-	"github.com/judwhite/go-svc/svc"
+	"github.com/mdh67899/go-svc/svc"
 	"github.com/mreiferson/go-options"
 	"github.com/nsqio/nsq/internal/app"
 	"github.com/nsqio/nsq/internal/version"
@@ -246,3 +247,10 @@ func (p *program) Stop() error {
 	}
 	return nil
 }
+
+func (p *program) GetExitChan() (chan interface{}, error) {
+	if p.nsqd != nil {
+		return p.nsqd.GetFatalChan(), nil
+	}
+	return nil, errors.New("nsqd is not initialized yet.")
+}