X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Frts%2FItimer.h;h=47fbbb6fb90cb0bc4a16394c341374a51de690d2;hb=cbc7228335a0489362d8f5deadaecacc8731a4ce;hp=257d2748e618cae5307e8455429ca80e2f340d41;hpb=66f7a41dfbf02a000ef3fb2a2b84c89f5dd53177;p=ghc-hetmet.git

diff --git a/ghc/rts/Itimer.h b/ghc/rts/Itimer.h
index 257d274..47fbbb6 100644
--- a/ghc/rts/Itimer.h
+++ b/ghc/rts/Itimer.h
@@ -1,24 +1,20 @@
 /* -----------------------------------------------------------------------------
- * $Id: Itimer.h,v 1.6 2000/08/03 11:28:35 simonmar Exp $
  *
- * (c) The GHC Team 1998-1999
+ * (c) The GHC Team 1998-2001
  *
  * Interval timer for profiling and pre-emptive scheduling.
  *
  * ---------------------------------------------------------------------------*/
+#ifndef __ITIMER_H__
+#define __ITIMER_H__
 
-# define TICK_FREQUENCY   50                      /* ticks per second */
-# define TICK_MILLISECS   (1000/TICK_FREQUENCY)   /* ms per tick */
+extern int startTicker( nat ms, TickProc handle_tick);
+extern int stopTicker ( void );
 
-/* Context switch timing constants. Context switches happen after a
- * whole number of ticks, the default being every tick.
- */
-#define CS_MIN_MILLISECS TICK_MILLISECS       /* milliseconds per slice */
- 
-extern rtsBool do_prof_ticks;	/* profiling ticks on/off */
-
-nat  initialize_virtual_timer  ( nat ms );
-int  install_vtalrm_handler    ( void );
-void block_vtalrm_signal       ( void );
-void unblock_vtalrm_signal     ( void );
-unsigned int getourtimeofday   ( void );
+extern nat getourtimeofday   ( void );
+#if 0
+/* unused */
+extern void block_vtalrm_signal       ( void );
+extern void unblock_vtalrm_signal     ( void );
+#endif
+#endif /* __ITIMER_H__ */