usr/src/lib/libfakekernel/common/clock.c

   1 /*
   2  * This file and its contents are supplied under the terms of the
   3  * Common Development and Distribution License ("CDDL"), version 1.0.
   4  * You may only use this file in accordance with the terms of version
   5  * 1.0 of the CDDL.
   6  *
   7  * A full copy of the text of the CDDL should have accompanied this
   8  * source.  A copy of the CDDL is also available via the Internet at
   9  * http://www.illumos.org/license/CDDL.
  10  */
  11
  12 /*
  13  * Copyright 2015 Nexenta Systems, Inc.  All rights reserved.
  14  */
  15
  16
  17 #include <sys/types.h>
  18 #include <sys/time.h>
  19 #include <sys/thread.h>
  20 #include <sys/proc.h>
  21
  22 #include <sys/poll.h>
  23
  24 #include <time.h>
  25
  26 int hz = 1000;
  27 int tick_per_msec = 0;
  28 int msec_per_tick = 1;
  29 int usec_per_tick = 1000;
  30 int nsec_per_tick = 1000000;
  31 time_t boot_time = 0;
  32
  33 #pragma init(_boot_time_init)
  34 static int
  35 _boot_time_init(void)
  36 {
  37         boot_time = time(NULL);
  38         return (0);
  39 }
  40
  41 clock_t
  42 ddi_get_lbolt(void)
  43 {
  44         hrtime_t hrt;
  45
  46         hrt = gethrtime();
  47         return (hrt / nsec_per_tick);
  48 }
  49
  50 int64_t
  51 ddi_get_lbolt64(void)
  52 {
  53         hrtime_t hrt;
  54
  55         hrt = gethrtime();
  56         return (hrt / nsec_per_tick);
  57 }
  58
  59 void
  60 clock2ts(clock_t clk, timespec_t *ts)
  61 {
  62         ts->tv_sec = clk / hz;
  63         ts->tv_nsec = (clk % hz) * (NANOSEC / hz);
  64 }
  65
  66 hrtime_t
  67 gethrtime_unscaled(void)
  68 {
  69         return (gethrtime());
  70 }
  71
  72 void
  73 gethrestime(timespec_t *ts)
  74 {
  75         struct timeval tv;
  76
  77         (void) gettimeofday(&tv, NULL);
  78         ts->tv_sec = tv.tv_sec;
  79         ts->tv_nsec = tv.tv_usec * 1000;
  80 }
  81
  82 time_t
  83 gethrestime_sec(void)
  84 {
  85         return (time(NULL));
  86 }
  87
  88 /* ARGSUSED */
  89 void
  90 scalehrtime(hrtime_t *t)
  91 {
  92 }