Annotation of sys/dev/raidframe/rf_etimer.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: rf_etimer.h,v 1.7 2004/06/24 19:35:24 tholo Exp $ */
! 2: /* $NetBSD: rf_etimer.h,v 1.4 1999/08/13 03:26:55 oster Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1995 Carnegie-Mellon University.
! 6: * All rights reserved.
! 7: *
! 8: * Author: Mark Holland
! 9: *
! 10: * Permission to use, copy, modify and distribute this software and
! 11: * its documentation is hereby granted, provided that both the copyright
! 12: * notice and this permission notice appear in all copies of the
! 13: * software, derivative works or modified versions, and any portions
! 14: * thereof, and that both notices appear in supporting documentation.
! 15: *
! 16: * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
! 17: * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
! 18: * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
! 19: *
! 20: * Carnegie Mellon requests users of this software to return to
! 21: *
! 22: * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
! 23: * School of Computer Science
! 24: * Carnegie Mellon University
! 25: * Pittsburgh PA 15213-3890
! 26: *
! 27: * any improvements or extensions that they make and grant Carnegie the
! 28: * rights to redistribute these changes.
! 29: */
! 30:
! 31: #ifndef _RF__RF_TIMER_H_
! 32: #define _RF__RF_TIMER_H_
! 33:
! 34:
! 35: #include "rf_options.h"
! 36: #include "rf_utils.h"
! 37:
! 38: #include <sys/time.h>
! 39:
! 40: struct RF_Etimer_s {
! 41: struct timeval st;
! 42: struct timeval et;
! 43: struct timeval diff;
! 44: };
! 45:
! 46: #if defined(_KERNEL)
! 47: #include <sys/kernel.h>
! 48:
! 49: #define RF_ETIMER_START(_t_) \
! 50: do { \
! 51: bzero(&(_t_), sizeof (_t_)); \
! 52: getmicrouptime(&(_t_).st); \
! 53: } while (0)
! 54:
! 55: #define RF_ETIMER_STOP(_t_) \
! 56: do { \
! 57: getmicrouptime(&(_t_).et); \
! 58: } while (0)
! 59:
! 60: #define RF_ETIMER_EVAL(_t_) \
! 61: do { \
! 62: RF_TIMEVAL_DIFF(&(_t_).st, &(_t_).et, &(_t_).diff); \
! 63: } while (0)
! 64:
! 65: #define RF_ETIMER_VAL_US(_t_) (RF_TIMEVAL_TO_US((_t_).diff))
! 66: #define RF_ETIMER_VAL_MS(_t_) (RF_TIMEVAL_TO_US((_t_).diff)/1000)
! 67:
! 68: #endif /* _KERNEL */
! 69:
! 70: #endif /* !_RF__RF_TIMER_H_ */
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