traverse the spark pools only once during GC rather than twice

[ghc-hetmet.git] / rts / sm / GC.h

diff --git a/rts/sm/GC.h b/rts/sm/GC.h
index 519925e..6331320 100644 (file)
--- a/rts/sm/GC.h
+++ b/rts/sm/GC.h
@@ -1,9 +1,14 @@
 /* -----------------------------------------------------------------------------
  *
- * (c) The GHC Team 1998-2006
+ * (c) The GHC Team 1998-2008
  *
  * Generational garbage collector
  *
+ * Documentation on the architecture of the Garbage Collector can be
+ * found in the online commentary:
+ * 
+ *   http://hackage.haskell.org/trac/ghc/wiki/Commentary/Rts/Storage/GC
+ *
  * ---------------------------------------------------------------------------*/
 
 #ifndef GC_H
@@ -11,12 +16,6 @@
 
 extern nat N;
 extern rtsBool major_gc;
-extern nat evac_gen;
-extern rtsBool eager_promotion;
-extern rtsBool failed_to_evac;
-
-extern StgClosure* static_objects;
-extern StgClosure* scavenged_static_objects;
 
 extern bdescr *mark_stack_bdescr;
 extern StgPtr *mark_stack;
@@ -27,13 +26,20 @@ extern rtsBool mark_stack_overflowed;
 extern bdescr *oldgen_scan_bd;
 extern StgPtr  oldgen_scan;
 
-extern lnat new_blocks;                 // blocks allocated during this GC 
-extern lnat new_scavd_blocks;   // ditto, but depth-first blocks
+extern long copied;
 
 #ifdef DEBUG
-extern nat mutlist_MUTVARS, mutlist_MUTARRS, mutlist_OTHERS;
+extern nat mutlist_MUTVARS, mutlist_MUTARRS, mutlist_MVARS, mutlist_OTHERS;
+#endif
+
+#ifdef THREADED_RTS
+extern SpinLock gc_alloc_block_sync;
+#endif
+
+#if defined(PROF_SPIN) && defined(THREADED_RTS)
+extern StgWord64 whitehole_spin;
 #endif
 
-StgClosure * isAlive(StgClosure *p);
+#define WORK_UNIT_WORDS 128
 
 #endif /* GC_H */