From e558ea934a4ba7bca5888f3223cc4aaa0fcd7b0e Mon Sep 17 00:00:00 2001
From: simonmar <unknown>
Date: Mon, 12 Feb 2001 13:14:13 +0000
Subject: [PATCH] [project @ 2001-02-12 13:14:13 by simonmar] check for
 ThreadRelocated when unblocking a thread blocked on
 delivering an async exception.

---
 ghc/rts/Schedule.c |   14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/ghc/rts/Schedule.c b/ghc/rts/Schedule.c
index 5e58d86..18efd8e 100644
--- a/ghc/rts/Schedule.c
+++ b/ghc/rts/Schedule.c
@@ -1,5 +1,5 @@
 /* ---------------------------------------------------------------------------
- * $Id: Schedule.c,v 1.90 2001/02/11 17:51:08 simonmar Exp $
+ * $Id: Schedule.c,v 1.91 2001/02/12 13:14:13 simonmar Exp $
  *
  * (c) The GHC Team, 1998-2000
  *
@@ -2490,6 +2490,12 @@ unblockThread(StgTSO *tso)
       StgTSO *target  = tso->block_info.tso;
 
       ASSERT(get_itbl(target)->type == TSO);
+
+      if (target->what_next == ThreadRelocated) {
+	  target = target->link;
+	  ASSERT(get_itbl(target)->type == TSO);
+      }
+
       ASSERT(target->blocked_exceptions != NULL);
 
       last = (StgBlockingQueueElement **)&target->blocked_exceptions;
@@ -2610,6 +2616,12 @@ unblockThread(StgTSO *tso)
       StgTSO *target  = tso->block_info.tso;
 
       ASSERT(get_itbl(target)->type == TSO);
+
+      while (target->what_next == ThreadRelocated) {
+	  target = target->link;
+	  ASSERT(get_itbl(target)->type == TSO);
+      }
+      
       ASSERT(target->blocked_exceptions != NULL);
 
       last = &target->blocked_exceptions;
-- 
1.7.10.4