dont close until they close themself

tcp.go

@@ -1,7 +1,6 @@
 package main
 
 import (
-	"context"
 	"crypto/tls"
 	"io"
 	"log"
@@ -44,27 +43,19 @@ func (tcp TCP) Listen() error {
 			}
 			defer conn2.Close()
 
-			ctx, can := context.WithCancel(context.Background())
-			defer can()
-
 			errc := make(chan error)
 			go func() {
 				_, err := io.Copy(conn, conn2)
-				select {
+				errc <- err
-				case errc <- err:
-				case <-ctx.Done():
-					close(errc)
-				}
 			}()
 			go func() {
 				_, err := io.Copy(conn2, conn)
-				select {
+				errc <- err
-				case errc <- err:
-				case <-ctx.Done():
-					close(errc)
-				}
 			}()
+			for i := 0; i < 2; i++ {
 				<-errc
+			}
+			close(errc)
 		}()
 	}
 }