/* Copyright (C) 1998,2000,2002,2003,2004,2006 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <shlib-compat.h>
#include <sysdep.h>
#include <sys/time.h>
#include <kernel-features.h>
#if !defined __ASSUME_TIMEVAL64 || SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1)
struct timeval32
{
int tv_sec, tv_usec;
};
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;
};
#define TIMEVAL timeval32
#define TIMEX timex32
#define ADJTIME attribute_compat_text_section __adjtime_tv32
#define ADJTIMEX(x) INLINE_SYSCALL (old_adjtimex, 1, x)
#define ADJTIMEX32(x) INLINE_SYSCALL (old_adjtimex, 1, x)
#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1)
#define LINKAGE
#else
#define LINKAGE static
#endif
LINKAGE int ADJTIME (const struct TIMEVAL *itv, struct TIMEVAL *otv);
#include <sysdeps/unix/sysv/linux/adjtime.c>
#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1)
int
attribute_compat_text_section
__adjtimex_tv32 (struct timex32 *tx) { return ADJTIMEX (tx); }
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
#endif /* !__ASSUME_TIMEVAL64 || SHLIB_COMPAT */
#undef TIMEVAL
#define TIMEVAL timeval
#undef TIMEX
#define TIMEX timex
#undef ADJTIMEX
#define ADJTIMEX(x) INLINE_SYSCALL (adjtimex, 1, x)
#undef LINKAGE
#undef ADJTIME
#if !defined __ASSUME_TIMEVAL64
#define LINKAGE static
#define ADJTIME __adjtime_tv64
#endif
#include <sysdeps/unix/sysv/linux/adjtime.c>
#include <stdbool.h>
#if !defined __ASSUME_TIMEVAL64
static bool missing_adjtimex;
int
__adjtime (itv, otv)
const struct timeval *itv;
struct timeval *otv;
{
struct timeval32 itv32, otv32;
int ret;
switch (missing_adjtimex)
{
case false:
ret = __adjtime_tv64 (itv, otv);
if (ret && errno == ENOSYS)
missing_adjtimex = 1;
else
break;
/* FALLTHRU */
default:
itv32.tv_sec = itv->tv_sec;
itv32.tv_usec = itv->tv_usec;
ret = __adjtime_tv32 (&itv32, &otv32);
if (ret == 0)
{
otv->tv_sec = otv32.tv_sec;
otv->tv_usec = otv32.tv_usec;
}
break;
}
return ret;
}
#endif
versioned_symbol (libc, __adjtime, adjtime, GLIBC_2_1);
int
__adjtimex_tv64 (struct timex *tx)
{
#if defined __ASSUME_TIMEVAL64
return ADJTIMEX (tx);
#else
struct timex32 tx32;
int ret;
switch (missing_adjtimex)
{
case false:
ret = ADJTIMEX (tx);
if (ret && errno == ENOSYS)
missing_adjtimex = 1;
else
break;
/* FALLTHRU */
default:
tx32.modes = tx->modes;
tx32.offset = tx->offset;
tx32.freq = tx->freq;
tx32.maxerror = tx->maxerror;
tx32.esterror = tx->esterror;
tx32.status = tx->status;
tx32.constant = tx->constant;
tx32.precision = tx->precision;
tx32.tolerance = tx->tolerance;
tx32.time.tv_sec = tx->time.tv_sec;
tx32.time.tv_sec = tx->time.tv_usec;
tx32.tick = tx->tick;
tx32.ppsfreq = tx->ppsfreq;
tx32.jitter = tx->jitter;
tx32.shift = tx->shift;
tx32.stabil = tx->stabil;
tx32.jitcnt = tx->jitcnt;
tx32.calcnt = tx->calcnt;
tx32.errcnt = tx->errcnt;
tx32.stbcnt = tx->stbcnt;
ret = ADJTIMEX32 (&tx32);
if (ret == 0)
{
tx->modes = tx32.modes;
tx->offset = tx32.offset;
tx->freq = tx32.freq;
tx->maxerror = tx32.maxerror;
tx->esterror = tx32.esterror;
tx->status = tx32.status;
tx->constant = tx32.constant;
tx->precision = tx32.precision;
tx->tolerance = tx32.tolerance;
tx->time.tv_sec = tx32.time.tv_sec;
tx->time.tv_usec = tx32.time.tv_sec;
tx->tick = tx32.tick;
tx->ppsfreq = tx32.ppsfreq;
tx->jitter = tx32.jitter;
tx->shift = tx32.shift;
tx->stabil = tx32.stabil;
tx->jitcnt = tx32.jitcnt;
tx->calcnt = tx32.calcnt;
tx->errcnt = tx32.errcnt;
tx->stbcnt = tx32.stbcnt;
}
break;
}
return ret;
#endif
}
strong_alias (__adjtimex_tv64, __adjtimex_internal);
strong_alias (__adjtimex_tv64, __adjtimex_tv64p);
weak_alias (__adjtimex_tv64, ntp_adjtime);
versioned_symbol (libc, __adjtimex_tv64, __adjtimex, GLIBC_2_1);
versioned_symbol (libc, __adjtimex_tv64p, adjtimex, GLIBC_2_1);