diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux')
| -rw-r--r-- | sysdeps/unix/sysv/linux/Makefile | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/Versions | 3 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/ntp_adjtime.c | 34 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/ntp_gettime.c | 38 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/sys/timex.h | 44 |
5 files changed, 104 insertions, 17 deletions
diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile index ac99436a8d..64baeb10d6 100644 --- a/sysdeps/unix/sysv/linux/Makefile +++ b/sysdeps/unix/sysv/linux/Makefile @@ -53,6 +53,8 @@ endif ifeq ($(subdir),time) sysdep_headers += sys/timex.h + +sysdep_routines += ntp_adjtime ntp_gettime endif ifeq ($(subdir),socket) diff --git a/sysdeps/unix/sysv/linux/Versions b/sysdeps/unix/sysv/linux/Versions index eeaed93fc3..6210830cce 100644 --- a/sysdeps/unix/sysv/linux/Versions +++ b/sysdeps/unix/sysv/linux/Versions @@ -73,6 +73,9 @@ libc { # c* capget; capset; + # n* + ntp_adjtime; ntp_gettime; + # s* sendfile; diff --git a/sysdeps/unix/sysv/linux/ntp_adjtime.c b/sysdeps/unix/sysv/linux/ntp_adjtime.c new file mode 100644 index 0000000000..d9f3ca7b9c --- /dev/null +++ b/sysdeps/unix/sysv/linux/ntp_adjtime.c @@ -0,0 +1,34 @@ +/* Copyright (C) 1999 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <sys/timex.h> + +#ifndef MOD_OFFSET +# define modes mode +#endif + +int +ntp_adjtime (amode, tntx) + int amode; + struct timex *tntx; +{ + /* Relies on the fact that C lib's struct timex corresponds to kernel's + struct timex. Otherwise you'll need a wrapper. */ + tntx->modes = amode; + return __adjtimex (tntx); +} diff --git a/sysdeps/unix/sysv/linux/ntp_gettime.c b/sysdeps/unix/sysv/linux/ntp_gettime.c new file mode 100644 index 0000000000..664d85f92f --- /dev/null +++ b/sysdeps/unix/sysv/linux/ntp_gettime.c @@ -0,0 +1,38 @@ +/* Copyright (C) 1999 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <sys/timex.h> + +#ifndef MOD_OFFSET +# define modes mode +#endif + +int +ntp_gettime (ntv) + struct ntptimeval *ntv; +{ + struct timex tntx; + int result; + + tntx.modes = 0; + result = __adjtimex (&tntx); + ntv->time = tntx.time; + ntv->maxerror = tntx.maxerror; + ntv->esterror = tntx.esterror; + return result; +} diff --git a/sysdeps/unix/sysv/linux/sys/timex.h b/sysdeps/unix/sysv/linux/sys/timex.h index aa3ee39d22..da1e33e85a 100644 --- a/sysdeps/unix/sysv/linux/sys/timex.h +++ b/sysdeps/unix/sysv/linux/sys/timex.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. +/* Copyright (C) 1995, 1996, 1997, 1999 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 @@ -24,28 +24,35 @@ /* These definitions from linux/timex.h as of 2.1.130. */ +struct ntptimeval +{ + struct timeval time; /* current time (ro) */ + long int maxerror; /* maximum error (us) (ro) */ + long int esterror; /* estimated error (us) (ro) */ +}; + struct timex { 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) */ + long int offset; /* time offset (usec) */ + long int freq; /* frequency offset (scaled ppm) */ + long int maxerror; /* maximum error (usec) */ + long int 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) */ + long int constant; /* pll time constant */ + long int precision; /* clock precision (usec) (read only) */ + long int tolerance; /* clock frequency tolerance (ppm) (read only) */ struct timeval time; /* (read only) */ - long tick; /* (modified) usecs between clock ticks */ + long int 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) */ + long int ppsfreq; /* pps frequency (scaled ppm) (ro) */ + long int jitter; /* pps jitter (us) (ro) */ + int shift; /* interval duration (s) (shift) (ro) */ + long int stabil; /* pps stability (scaled ppm) (ro) */ + long int jitcnt; /* jitter limit exceeded (ro) */ + long int calcnt; /* calibration intervals (ro) */ + long int errcnt; /* calibration errors (ro) */ + long int stbcnt; /* stability limit exceeded (ro) */ /* ??? */ int :32; int :32; int :32; int :32; @@ -109,6 +116,9 @@ __BEGIN_DECLS extern int __adjtimex __P ((struct timex *__ntx)); extern int adjtimex __P ((struct timex *__ntx)); +extern int ntp_gettime __P ((struct ntptimeval *__ntv)); +extern int ntp_adjtime __P ((int __amode, struct timex *__tntx)); + __END_DECLS #endif /* sys/timex.h */ |