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132 lines
4.2 KiB
C
132 lines
4.2 KiB
C
/* adjtime -- adjust the system clock. Linux/Alpha/tv32 version.
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Copyright (C) 2019-2023 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <shlib-compat.h>
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#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1)
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#include <time.h>
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#include <sys/time.h>
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#include <sys/timex.h>
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#include <string.h>
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struct timex32 {
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unsigned int modes; /* mode selector */
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long offset; /* time offset (usec) */
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long freq; /* frequency offset (scaled ppm) */
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long maxerror; /* maximum error (usec) */
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long esterror; /* estimated error (usec) */
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int status; /* clock command/status */
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long constant; /* pll time constant */
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long precision; /* clock precision (usec) (read only) */
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long tolerance; /* clock frequency tolerance (ppm)
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* (read only)
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*/
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struct __timeval32 time; /* (read only) */
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long tick; /* (modified) usecs between clock ticks */
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long ppsfreq; /* pps frequency (scaled ppm) (ro) */
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long jitter; /* pps jitter (us) (ro) */
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int shift; /* interval duration (s) (shift) (ro) */
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long stabil; /* pps stability (scaled ppm) (ro) */
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long jitcnt; /* jitter limit exceeded (ro) */
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long calcnt; /* calibration intervals (ro) */
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long errcnt; /* calibration errors (ro) */
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long stbcnt; /* stability limit exceeded (ro) */
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int :32; int :32; int :32; int :32;
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int :32; int :32; int :32; int :32;
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int :32; int :32; int :32; int :32;
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};
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int
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attribute_compat_text_section
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__adjtime_tv32 (const struct __timeval32 *itv, struct __timeval32 *otv)
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{
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struct timeval itv64 = valid_timeval32_to_timeval (*itv);
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struct timeval otv64;
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if (__adjtime (&itv64, &otv64) == -1)
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return -1;
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*otv = valid_timeval_to_timeval32 (otv64);
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return 0;
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}
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int
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attribute_compat_text_section
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__adjtimex_tv32 (struct timex32 *tx)
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{
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struct timex tx64;
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memset (&tx64, 0, sizeof tx64);
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tx64.modes = tx->modes;
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tx64.offset = tx->offset;
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tx64.freq = tx->freq;
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tx64.maxerror = tx->maxerror;
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tx64.esterror = tx->esterror;
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tx64.status = tx->status;
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tx64.constant = tx->constant;
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tx64.precision = tx->precision;
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tx64.tolerance = tx->tolerance;
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tx64.tick = tx->tick;
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tx64.ppsfreq = tx->ppsfreq;
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tx64.jitter = tx->jitter;
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tx64.shift = tx->shift;
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tx64.stabil = tx->stabil;
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tx64.jitcnt = tx->jitcnt;
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tx64.calcnt = tx->calcnt;
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tx64.errcnt = tx->errcnt;
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tx64.stbcnt = tx->stbcnt;
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tx64.time = valid_timeval32_to_timeval (tx->time);
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int status = __adjtimex (&tx64);
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if (status < 0)
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return status;
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memset (tx, 0, sizeof *tx);
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tx->modes = tx64.modes;
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tx->offset = tx64.offset;
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tx->freq = tx64.freq;
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tx->maxerror = tx64.maxerror;
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tx->esterror = tx64.esterror;
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tx->status = tx64.status;
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tx->constant = tx64.constant;
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tx->precision = tx64.precision;
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tx->tolerance = tx64.tolerance;
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tx->tick = tx64.tick;
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tx->ppsfreq = tx64.ppsfreq;
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tx->jitter = tx64.jitter;
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tx->shift = tx64.shift;
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tx->stabil = tx64.stabil;
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tx->jitcnt = tx64.jitcnt;
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tx->calcnt = tx64.calcnt;
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tx->errcnt = tx64.errcnt;
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tx->stbcnt = tx64.stbcnt;
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tx->time = valid_timeval_to_timeval32 (tx64.time);
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return status;
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}
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strong_alias (__adjtimex_tv32, __adjtimex_tv32_1);
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strong_alias (__adjtimex_tv32, __adjtimex_tv32_2);
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compat_symbol (libc, __adjtimex_tv32_1, __adjtimex, GLIBC_2_0);
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compat_symbol (libc, __adjtimex_tv32_2, adjtimex, GLIBC_2_0);
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compat_symbol (libc, __adjtime_tv32, adjtime, GLIBC_2_0);
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#endif /* SHLIB_COMPAT */
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