ghc/rts/Schedule.h

   1 /* -----------------------------------------------------------------------------
   2  * $Id: Schedule.h,v 1.2 1998/12/02 13:28:46 simonm Exp $
   3  *
   4  * (c) The GHC Team 1998
   5  *
   6  * Prototypes for functions in Schedule.c
   7  * (RTS internal scheduler interface)
   8  *
   9  * ---------------------------------------------------------------------------*/
  10
  11 /*
  12  * Initialisation
  13  */
  14
  15 void    initScheduler(void);
  16
  17 /*
  18  * Miscellany
  19  */
  20
  21 void    awaken_blocked_queue(StgTSO *tso);
  22
  23 void    initThread(StgTSO *tso, nat stack_size);
  24
  25 void    interruptStgRts(void);
  26
  27 extern  nat context_switch;
  28
  29 extern  StgTSO *run_queue_hd, *run_queue_tl;
  30 extern  StgTSO *blocked_queue_hd, *blocked_queue_tl;
  31
  32 extern StgTSO *MainTSO; /* temporary hack */
  33
  34 #define END_TSO_QUEUE  ((StgTSO *)(void*)&END_TSO_QUEUE_closure)
  35
  36 #define PUSH_ON_RUN_QUEUE(tso)                  \
  37     if (run_queue_hd == END_TSO_QUEUE) {        \
  38       run_queue_hd = tso;                       \
  39     } else {                                    \
  40       run_queue_tl->link = tso;                 \
  41     }                                           \
  42     run_queue_tl = tso;
  43
  44 #define END_CAF_LIST  stgCast(StgCAF*,(void*)&END_TSO_QUEUE_closure)