Description of problem:

If for some reason setroubleshootd dies and the connection has not be accepted yet (e.g. BZ #1871869), sealert waits forever and user must use ^C to bail out.


Version-Release number of selected component (if applicable):

setroubleshoot-server-3.3.22-2.el8.x86_64


How reproducible:

Always mimicing setroubleshootd dying


Steps to Reproduce:
1. Edit /usr/lib/python3.6/site-packas/setroubleshoot/rpc.py to exit before accepting the connection

-------- 8< ---------------- 8< ---------------- 8< ---------------- 8< --------
# diff -u /usr/lib/python3.6/site-packages/setroubleshoot/rpc.py.orig /usr/lib/python3.6/site-packas/setroubleshoot/rpc.py
--- /usr/lib/python3.6/site-packages/setroubleshoot/rpc.py.orig	2020-09-03 10:18:17.717679610 +0200
+++ /usr/lib/python3.6/site-packages/setroubleshoot/rpc.py	2020-09-03 10:18:45.670973694 +0200
@@ -703,6 +703,8 @@
 
             if io_condition & GLib.IO_IN:
                 try:
+                    import sys
+                    sys.exit(1)
                     client_socket, client_address = socket.accept()
                     fcntl.fcntl(client_socket.fileno(), fcntl.F_SETFD, fcntl.FD_CLOEXEC)
                     client_handler = self.client_connection_handler_class(self.socket_address)
-------- 8< ---------------- 8< ---------------- 8< ---------------- 8< --------

2. Execute sealert

-------- 8< ---------------- 8< ---------------- 8< ---------------- 8< --------
# sealert -l \*
-------- 8< ---------------- 8< ---------------- 8< ---------------- 8< --------

Actual results:

Hangs

Expected results:

Exit after some time / upon detecting connection is dead