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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_ */