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Annotation of sys/dev/raidframe/rf_etimer.h, Revision 1.1.1.1

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_ */