[project @ 2002-04-26 22:35:54 by sof]

When the OS thread is all out of work, shut down in a gentler
manner by calling shutdownHaskell() rather than
shutdownHaskellAndExit(). Give up the sched_mutex lock also.

diff --git a/ghc/rts/RtsStartup.c b/ghc/rts/RtsStartup.c
index 4066f48..36821d0 100644 (file)
--- a/ghc/rts/RtsStartup.c
+++ b/ghc/rts/RtsStartup.c
@@ -1,5 +1,5 @@
 /* -----------------------------------------------------------------------------
- * $Id: RtsStartup.c,v 1.61 2002/02/04 20:25:39 sof Exp $
+ * $Id: RtsStartup.c,v 1.62 2002/04/26 22:35:55 sof Exp $
  *
  * (c) The GHC Team, 1998-2000
  *
@@ -272,6 +272,7 @@ shutdownHaskell(void)
 {
   if (!rts_has_started_up)
      return;
+  rts_has_started_up=0;
 
   /* start timing the shutdown */
   stat_startExit();
@@ -338,8 +339,6 @@ shutdownHaskell(void)
 #if defined(TICKY_TICKY)
   if (RtsFlags.TickyFlags.showTickyStats) PrintTickyInfo();
 #endif
-
-  rts_has_started_up=0;
 }
 
 /* 

diff --git a/ghc/rts/Schedule.c b/ghc/rts/Schedule.c
index 9d816b0..64c983e 100644 (file)
--- a/ghc/rts/Schedule.c
+++ b/ghc/rts/Schedule.c
@@ -1,5 +1,5 @@
 /* ---------------------------------------------------------------------------
- * $Id: Schedule.c,v 1.140 2002/04/23 14:20:18 sof Exp $
+ * $Id: Schedule.c,v 1.141 2002/04/26 22:35:54 sof Exp $
  *
  * (c) The GHC Team, 1998-2000
  *
@@ -685,7 +685,9 @@ schedule( void )
        /* ToDo: revisit conditions (and mechanism) for shutting
           down a multi-threaded world  */
        IF_DEBUG(scheduler, sched_belch("all done, i think...shutting down."));
-       shutdownHaskellAndExit(0);
+       RELEASE_LOCK(&sched_mutex);
+       shutdownHaskell();
+       return;
 #endif
     }
   not_deadlocked:
@@ -2195,7 +2197,6 @@ waitThread_(StgTSO *tso,
   } else 
 # endif
   {
-    IF_DEBUG(scheduler, sched_belch("sfoo"));
     do {
       waitCondition(&m->wakeup, &sched_mutex);
     } while (m->stat == NoStatus);