File sendfdcont.diff of Package screen.38827

--- attacher.c.orig	2017-10-23 11:32:41.000000000 +0000
+++ attacher.c	2025-05-22 11:59:54.654423395 +0000
@@ -110,7 +110,7 @@ QueryResultFail SIGDEFARG
  *  Understands  MSG_ATTACH, MSG_DETACH, MSG_POW_DETACH
  *               MSG_CONT, MSG_WINCH and nothing else!
  *
- *  if type == MSG_ATTACH and sockets are used, attaches
+ *  if type == MSG_ATTACH or MSG_CONT and sockets are used, attaches
  *  tty filedescriptor.
  */
 
@@ -123,7 +123,7 @@ struct msg *m;
   bool is_socket;
 
   is_socket = IsSocket(SockPath);
-  if (is_socket && m->type == MSG_ATTACH)
+  if (is_socket && (m->type == MSG_ATTACH || m->type == MSG_CONT))
     return SendAttachMsg(s, m, attach_fd);
 
   while(l > 0)
--- socket.c.orig	2017-10-23 11:32:41.000000000 +0000
+++ socket.c	2025-05-22 11:59:12.146490712 +0000
@@ -1166,7 +1166,7 @@ ReceiveMsg()
     }
 
   debug2("*** RecMsg: type %d tty %s\n", m.type, m.m_tty);
-  if (m.type != MSG_ATTACH && recvfd != -1)
+  if (m.type != MSG_ATTACH && m.type != MSG_CONT && recvfd != -1)
     {
       close(recvfd);
       recvfd = -1;
@@ -1219,7 +1219,11 @@ ReceiveMsg()
         break;
       case MSG_CONT:
         if (display && D_userpid != 0 && kill(D_userpid, 0) == 0)
-          break; /* Intruder Alert */
+          {
+            if (recvfd != -1)
+              close(recvfd);
+            break; /* Intruder Alert */
+          }
         debug2("RecMsg: apid=%d,was %d\n", m.m.attach.apid,
                display ? D_userpid : 0);
       /* FALLTHROUGH */