X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=rts%2FSchedule.h;h=d311801405664523698714ce492f7f9170b9de40;hb=77b7c34fa24860c91f56250defa91b2d1a7a1c00;hp=6ed759821290df32dd222a2ab9ad0fc91c6beb0d;hpb=9f076a02084843d54bcb6d8c63c443e9af820b67;p=ghc-hetmet.git

diff --git a/rts/Schedule.h b/rts/Schedule.h
index 6ed7598..d311801 100644
--- a/rts/Schedule.h
+++ b/rts/Schedule.h
@@ -89,11 +89,6 @@ void    awaken_blocked_queue(StgTSO *q);
 void    initThread(StgTSO *tso, nat stack_size);
 #endif
 
-/* Context switch flag.
- * Locks required  : none (conflicts are harmless)
- */
-extern int RTS_VAR(context_switch);
-
 /* The state of the scheduler.  This is used to control the sequence
  * of events during shutdown, and when the runtime is interrupted
  * using ^C.
@@ -102,7 +97,7 @@ extern int RTS_VAR(context_switch);
 #define SCHED_INTERRUPTING  1  /* ^C detected, before threads are deleted */
 #define SCHED_SHUTTING_DOWN 2  /* final shutdown */
 
-extern rtsBool RTS_VAR(sched_state);
+extern volatile StgWord RTS_VAR(sched_state);
 
 /* 
  * flag that tracks whether we have done any execution in this time slice.
@@ -118,7 +113,7 @@ extern rtsBool RTS_VAR(sched_state);
  * INACTIVE to DONE_GC happens under sched_mutex.  No lock required
  * to set it to ACTIVITY_YES.
  */
-extern nat recent_activity;
+extern volatile StgWord recent_activity;
 
 /* Thread queues.
  * Locks required  : sched_mutex
@@ -144,6 +139,8 @@ extern  StgTSO *RTS_VAR(sleeping_queue);
  */
 extern rtsBool blackholes_need_checking;
 
+extern rtsBool heap_overflow;
+
 #if defined(THREADED_RTS)
 extern Mutex RTS_VAR(sched_mutex);
 #endif