X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=backend.c;h=4f1aad8564bf675cb9a0e54f797909925fc67f4a;hb=6a7b0bcfb46092809ac826bf99652b9bce5d9a10;hp=29b473b22e006cc0d5ab515884cf7ae1943de63d;hpb=d45b23cf75433a48797cfc5e81ce8fdcfea7c94b;p=xboard.git

diff --git a/backend.c b/backend.c
index 29b473b..4f1aad8 100644
--- a/backend.c
+++ b/backend.c
@@ -14784,18 +14784,25 @@ EditTagsEvent ()
 }
 
 void
-ToggleSecond ()
+StartSecond ()
 {
-  if(second.analyzing) {
-    SendToProgram("exit\n", &second);
-    second.analyzing = FALSE;
-  } else {
-    if (second.pr == NoProc) StartChessProgram(&second);
+    if(WaitForEngine(&second, StartSecond)) return;
     InitChessProgram(&second, FALSE);
     FeedMovesToProgram(&second, currentMove);
 
     SendToProgram("analyze\n", &second);
     second.analyzing = TRUE;
+    ThawUI();
+}
+
+void
+ToggleSecond ()
+{
+  if(second.analyzing) {
+    SendToProgram("exit\n", &second);
+    second.analyzing = FALSE;
+  } else {
+    StartSecond();
   }
 }
 
@@ -17398,7 +17405,7 @@ FeatureDone (ChessProgramState *cps, int val)
   DelayedEventCallback cb = GetDelayedEvent();
   if ((cb == InitBackEnd3 && cps == &first) ||
       (cb == SettingsMenuIfReady && cps == &second) ||
-      (cb == LoadEngine) ||
+      (cb == LoadEngine) || (cb == StartSecond) ||
       (cb == TwoMachinesEventIfReady)) {
     CancelDelayedEvent();
     ScheduleDelayedEvent(cb, val ? 1 : 3600000);