rts/sm/MarkWeak.h

   1 /* -----------------------------------------------------------------------------
   2  *
   3  * (c) The GHC Team 1998-2008
   4  *
   5  * Weak pointers and weak-like things in the GC
   6  *
   7  * Documentation on the architecture of the Garbage Collector can be
   8  * found in the online commentary:
   9  *
  10  *   http://hackage.haskell.org/trac/ghc/wiki/Commentary/Rts/Storage/GC
  11  *
  12  * ---------------------------------------------------------------------------*/
  13
  14 #ifndef SM_MARKWEAK_H
  15 #define SM_MARKWEAK_H
  16
  17 extern StgWeak *old_weak_ptr_list;
  18 extern StgTSO *resurrected_threads;
  19 extern StgTSO *exception_threads;
  20
  21 void    initWeakForGC          ( void );
  22 rtsBool traverseWeakPtrList    ( void );
  23 void    markWeakPtrList        ( void );
  24 rtsBool traverseBlackholeQueue ( void );
  25
  26 #endif /* SM_MARKWEAK_H */