example.lsp: use (wait PID)

example.lsp

@@ -3,34 +3,39 @@
     (progn
       (format (error-output) "Usage: ~A ~A USERNAME@DOMAIN PASSWORD~%" $EXECUTABLE_NAME $PROGRAM_NAME)
       (return-from main nil)))
-  (defglobal account (car args))
-  (defglobal password (cadr args))
 
-  (with-handler
-    (lambda (c)
-      (format (error-output) "ssh is not found~%")
-      (return-from main nil))
-    (spawn "ssh" account))
+  (let ((account (car args))
+        (password (cadr args))
+        (sshpid nil))
 
-  (expect*
-    ("[fingerprint])?"
-     (sendln "yes")
-     (expect "password: ")
-     (sendln password))
-    ("password: "
-     (sendln password))
-    (("Connection refused"
-      "Could not resolve hostname")
-     (return-from main nil))
-    (30
-     (format (error-output) "TIME OUT~%")
-     (return-from main nil)))
+    (with-handler
+      (lambda (c)
+        (format (error-output) "ssh is not found~%")
+        (return-from main nil))
+      (setq sshpid (spawn "ssh" account)))
 
-  (expect*
-    ("Permission denied"
-     (return-from main nil)
-     )
-    ("$ "))
-  (sendln "echo YOU CAN CALL SOME COMMAND HERE")
-  (expect "$ ")
-  (sendln "exit"))
+    (expect*
+      ("[fingerprint])?"
+       (sendln "yes")
+       (expect "password: ")
+       (sendln password))
+      ("password: "
+       (sendln password))
+      (("Connection refused"
+        "Could not resolve hostname")
+       (return-from main nil))
+      (30
+       (format (error-output) "TIME OUT~%")
+       (return-from main nil)))
+
+    (expect*
+      ("Permission denied"
+       (return-from main nil)
+       )
+      ("$ "))
+    (sendln "echo YOU CAN CALL SOME COMMAND HERE")
+    (expect "$ ")
+    (sendln "exit")
+    (wait sshpid)
+    )
+  )