X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Frts%2FItimer.h;h=47fbbb6fb90cb0bc4a16394c341374a51de690d2;hb=845db8182942e006a9164e41e9839adb39f24268;hp=f3a185ad1877bd9691b5d2f7e69c171bca910a10;hpb=b88636e4adb08964c77467b70858ee5bc6bcf4e5;p=ghc-hetmet.git diff --git a/ghc/rts/Itimer.h b/ghc/rts/Itimer.h index f3a185a..47fbbb6 100644 --- a/ghc/rts/Itimer.h +++ b/ghc/rts/Itimer.h @@ -1,27 +1,20 @@ /* ----------------------------------------------------------------------------- - * $Id: Itimer.h,v 1.8 2001/11/21 20:55:10 sof 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 */ - -/* Total number of ticks since startup */ -extern lnat total_ticks; - -int 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__ */