extern int forkOS_createThread ( HsStablePtr entry );
extern StgInt forkProcess(HsStablePtr *entry);
extern StgBool rtsSupportsBoundThreads(void);
+extern StgInt newSpark (StgRegTable *reg, StgClosure *p);
/* grimy low-level support functions defined in StgPrimFloat.c */
extern StgDouble __encodeDouble (I_ size, StgByteArray arr, I_ e);