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Hide the private parts of timecounter from a couple of places that don't

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really need to know the gory details.
This commit is contained in:
Poul-Henning Kamp 2002-04-26 21:31:44 +00:00
parent 14021ab570
commit b4a1d0deb1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=95529
5 changed files with 16 additions and 11 deletions
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6
sys/kern/kern_ntptime.c
View file

@ -436,13 +436,11 @@ ntp_adjtime(struct thread *td, struct ntp_adjtime_args *uap)
* simulation.
*/
void
ntp_update_second(struct timecounter *tcp)
ntp_update_second(int64_t *adjustment, time_t *newsec)
{
u_int32_t *newsec;
int tickrate;
l_fp ftemp; /* 32/64-bit temporary */
newsec = &tcp->tc_offset.sec;
/*
* On rollover of the second both the nanosecond and microsecond
* clocks are updated and the state machine cranked as
@ -558,7 +556,7 @@ ntp_update_second(struct timecounter *tcp)
L_LINT(ftemp, tickrate * 1000);
L_ADD(time_adj, ftemp);
}
tcp->tc_adjustment = time_adj;
*adjustment = time_adj;
#ifdef PPS_SYNC
if (pps_valid > 0)

14
sys/kern/kern_tc.c
View file

@ -312,6 +312,13 @@ tc_setclock(struct timespec *ts)
tc_windup();
}
u_int32_t
tc_getfrequency(void)
{
return (timecounter->tc_frequency);
}
static void
switch_timecounter(struct timecounter *newtc)
{
@ -362,10 +369,9 @@ tc_windup(void)
*/
if (tco->tc_poll_pps)
tco->tc_poll_pps(tco);
for (i = tc->tc_offset.sec - tco->tc_offset.sec; i > 0; i--) {
ntp_update_second(tc); /* XXX only needed if xntpd runs */
tc_setscales(tc);
}
for (i = tc->tc_offset.sec - tco->tc_offset.sec; i > 0; i--)
ntp_update_second(&tc->tc_adjustment, &tc->tc_offset.sec);
tc_setscales(tc);
bt = tc->tc_offset;
bintime_add(&bt, &boottimebin);

2
sys/kern/kern_time.c
View file

@ -222,7 +222,7 @@ clock_getres(td, uap)
error = 0;
if (SCARG(uap, tp)) {
ts.tv_sec = 0;
ts.tv_nsec = 1000000000 / timecounter->tc_frequency;
ts.tv_nsec = 1000000000 / tc_getfrequency();
error = copyout(&ts, SCARG(uap, tp), sizeof(ts));
}
return (error);

1
sys/sys/timetc.h
View file

@ -93,6 +93,7 @@ struct timecounter {
#ifdef _KERNEL
extern struct timecounter *volatile timecounter;
u_int32_t tc_getfrequency(void);
void tc_init(struct timecounter *tc);
void tc_setclock(struct timespec *ts);
#endif /* !_KERNEL */

4
sys/sys/timex.h
View file

@ -220,8 +220,8 @@ struct timex {
#ifdef __FreeBSD__
#ifdef _KERNEL
struct timecounter;
void ntp_update_second(struct timecounter *tc);
struct timehands;
void ntp_update_second(int64_t *adjustment, time_t *newsec);
#else /* !_KERNEL */
#include <sys/cdefs.h>