extern long copied;
+extern rtsBool work_stealing;
+
#ifdef DEBUG
extern nat mutlist_MUTVARS, mutlist_MUTARRS, mutlist_MVARS, mutlist_OTHERS;
#endif
void gcWorkerThread (Capability *cap);
void initGcThreads (void);
void waitForGcThreads (Capability *cap);
+void releaseGCThreads (Capability *cap);
#define WORK_UNIT_WORDS 128