fix: refactoring code of graceful exits (#1885)

* fix: plant a layer

* fix: print chanal

* fix: print sigs

* fix: print the sigs

* fix: reconstruct exit gracefully

* fix: fix the timeout

* fix: fix the netDone

* fix: fix the process exit

* fix: refactor the elegant startup code

* fix: fix the Signal.Notify

* fix: fix the code

* fix: remove not used header import.

* Update init.go

* fix: fix the InitConfig error

* fix: fix branch name

* fix: fix the signal value

* fix: replace the signal with SIGTERM

* fix: fix the script

* fix: fix the unsolve error

* fix: return the SIGTERM received,shutting down

* fix: fix the tranfer exit error

* fix: fix the error

* fix: replace the SIGnal

* fix: del the error return in tranfer

* fix: fix SIGTERM error

* fix: del the unreachalbe code

* fix: fix the make stop print  error

---------

Co-authored-by: OpenIM-Gordon <46924906+FGadvancer@users.noreply.github.com>
Co-authored-by: Xinwei Xiong (cubxxw) <3293172751nss@gmail.com>

internal/push/push_rpc_server.go

@@ -16,8 +16,6 @@ package push
 
 import (
 	"context"
-	"sync"
-
 	"github.com/OpenIMSDK/tools/utils"
 
 	"google.golang.org/grpc"
@@ -58,23 +56,18 @@ func Start(client discoveryregistry.SvcDiscoveryRegistry, server *grpc.Server) e
 		&groupRpcClient,
 		&msgRpcClient,
 	)
-	var wg sync.WaitGroup
-	wg.Add(2)
-	go func() {
-		defer wg.Done()
-		pbpush.RegisterPushMsgServiceServer(server, &pushServer{
-			pusher: pusher,
-		})
-	}()
+
+	pbpush.RegisterPushMsgServiceServer(server, &pushServer{
+		pusher: pusher,
+	})
+
 	consumer, err := NewConsumer(pusher)
 	if err != nil {
 		return err
 	}
-	go func() {
-		defer wg.Done()
-		consumer.Start()
-	}()
-	wg.Wait()
+
+	consumer.Start()
+
 	return nil
 }