The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/sys/clockctl.h

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    1 /*      $NetBSD: clockctl.h,v 1.14 2007/03/04 06:03:40 christos Exp $ */
    2 
    3 /*-
    4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
    5  * All rights reserved.
    6  *
    7  * This code is derived from software contributed to The NetBSD Foundation
    8  * by Emmanuel Dreyfus.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  * 3. The name of the author may not be used to endorse or promote products
   19  *    derived from this software without specific prior written permission.
   20  *
   21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   31  *
   32  *
   33  */
   34 
   35 #ifndef _SYS_CLOCKCTL_H_
   36 #define _SYS_CLOCKCTL_H_
   37 
   38 #include <sys/time.h>
   39 #include <sys/timex.h>
   40 
   41 struct clockctl_settimeofday {
   42         const struct timeval *tv;
   43         const void *tzp;
   44 };
   45 
   46 #define CLOCKCTL_SETTIMEOFDAY _IOW('C', 0x1, struct clockctl_settimeofday)
   47 
   48 struct clockctl_adjtime {
   49         const struct timeval *delta;
   50         struct timeval *olddelta;
   51 };
   52 
   53 #define CLOCKCTL_ADJTIME _IOWR('C', 0x2, struct clockctl_adjtime)
   54 
   55 struct clockctl_clock_settime {
   56         clockid_t clock_id;
   57         const struct timespec *tp;
   58 };
   59 
   60 #define CLOCKCTL_CLOCK_SETTIME _IOW('C', 0x3, struct clockctl_clock_settime)
   61 
   62 struct clockctl_ntp_adjtime {
   63         struct timex *tp;
   64         register_t retval;
   65 };
   66 
   67 #define CLOCKCTL_NTP_ADJTIME _IOWR('C', 0x4, struct clockctl_ntp_adjtime)
   68 
   69 #ifdef _KERNEL
   70 void    clockctlattach(int);
   71 int     clockctlopen(dev_t, int, int, struct lwp *);
   72 int     clockctlclose(dev_t, int, int, struct lwp *);
   73 int     clockctlioctl(dev_t, u_long, void *, int, struct lwp *);
   74 #endif
   75 
   76 #endif /* _SYS_CLOCKCTL_H_ */

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