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/* adjtime -- adjust the system clock. Linux/Alpha/tv32 version.
Copyright (C) 2019-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <shlib-compat.h>
#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1)
#include <sys/time.h>
#include <sys/timex.h>
#include <tv32-compat.h>
struct timex32 {
unsigned int modes; /* mode selector */
long offset; /* time offset (usec) */
long freq; /* frequency offset (scaled ppm) */
long maxerror; /* maximum error (usec) */
long esterror; /* estimated error (usec) */
int status; /* clock command/status */
long constant; /* pll time constant */
long precision; /* clock precision (usec) (read only) */
long tolerance; /* clock frequency tolerance (ppm)
* (read only)
*/
struct timeval32 time; /* (read only) */
long tick; /* (modified) usecs between clock ticks */
long ppsfreq; /* pps frequency (scaled ppm) (ro) */
long jitter; /* pps jitter (us) (ro) */
int shift; /* interval duration (s) (shift) (ro) */
long stabil; /* pps stability (scaled ppm) (ro) */
long jitcnt; /* jitter limit exceeded (ro) */
long calcnt; /* calibration intervals (ro) */
long errcnt; /* calibration errors (ro) */
long stbcnt; /* stability limit exceeded (ro) */
int :32; int :32; int :32; int :32;
int :32; int :32; int :32; int :32;
int :32; int :32; int :32; int :32;
};
int
attribute_compat_text_section
__adjtime_tv32 (const struct timeval32 *itv, struct timeval32 *otv)
{
struct timeval itv64 = valid_timeval32_to_timeval (*itv);
struct timeval otv64;
if (__adjtime (&itv64, &otv64) == -1)
return -1;
*otv = valid_timeval_to_timeval32 (otv64);
return 0;
}
int
attribute_compat_text_section
__adjtimex_tv32 (struct timex32 *tx)
{
struct timex tx64;
memset (&tx64, 0, sizeof tx64);
tx64.modes = tx->modes;
tx64.offset = tx->offset;
tx64.freq = tx->freq;
tx64.maxerror = tx->maxerror;
tx64.esterror = tx->esterror;
tx64.status = tx->status;
tx64.constant = tx->constant;
tx64.precision = tx->precision;
tx64.tolerance = tx->tolerance;
tx64.tick = tx->tick;
tx64.ppsfreq = tx->ppsfreq;
tx64.jitter = tx->jitter;
tx64.shift = tx->shift;
tx64.stabil = tx->stabil;
tx64.jitcnt = tx->jitcnt;
tx64.calcnt = tx->calcnt;
tx64.errcnt = tx->errcnt;
tx64.stbcnt = tx->stbcnt;
tx64.time = valid_timeval32_to_timeval (tx->time);
int status = __adjtimex (&tx64);
if (status < 0)
return status;
memset (tx, 0, sizeof *tx);
tx->modes = tx64.modes;
tx->offset = tx64.offset;
tx->freq = tx64.freq;
tx->maxerror = tx64.maxerror;
tx->esterror = tx64.esterror;
tx->status = tx64.status;
tx->constant = tx64.constant;
tx->precision = tx64.precision;
tx->tolerance = tx64.tolerance;
tx->tick = tx64.tick;
tx->ppsfreq = tx64.ppsfreq;
tx->jitter = tx64.jitter;
tx->shift = tx64.shift;
tx->stabil = tx64.stabil;
tx->jitcnt = tx64.jitcnt;
tx->calcnt = tx64.calcnt;
tx->errcnt = tx64.errcnt;
tx->stbcnt = tx64.stbcnt;
tx->time = valid_timeval_to_timeval32 (tx64.time);
return status;
}
strong_alias (__adjtimex_tv32, __adjtimex_tv32_1);
strong_alias (__adjtimex_tv32, __adjtimex_tv32_2);
compat_symbol (libc, __adjtimex_tv32_1, __adjtimex, GLIBC_2_0);
compat_symbol (libc, __adjtimex_tv32_2, adjtimex, GLIBC_2_0);
compat_symbol (libc, __adjtime_tv32, adjtime, GLIBC_2_0);
#endif /* SHLIB_COMPAT */
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