diff options
Diffstat (limited to 'abs/core/openntpd/linux-adjtimex.patch')
| -rw-r--r-- | abs/core/openntpd/linux-adjtimex.patch | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/abs/core/openntpd/linux-adjtimex.patch b/abs/core/openntpd/linux-adjtimex.patch new file mode 100644 index 0000000..e7b72da --- /dev/null +++ b/abs/core/openntpd/linux-adjtimex.patch @@ -0,0 +1,168 @@ +Only in openntpd-3.9p1.old: configure +diff -ur --unidirectional-new-file openntpd-3.9p1.old/configure.ac openntpd-3.9p1/configure.ac +--- openntpd-3.9p1.old/configure.ac 2006-05-14 07:29:23.000000000 +0200 ++++ openntpd-3.9p1/configure.ac 2008-02-07 13:13:18.066366142 +0100 +@@ -583,6 +583,11 @@ + [ builtin_arc4random=$withval ] + ) + ++AC_ARG_WITH(adjtimex, ++ [ --with-adjtimex Use adjtimex to adjust kernel skew], ++ [ AC_DEFINE(USE_ADJTIMEX, [], [Use adjust skew with adjtimex (experimental)]) ] ++ ) ++ + AC_ARG_WITH(mantype, + [ --with-mantype=man|cat|doc Set man page type], + [ +diff -ur --unidirectional-new-file openntpd-3.9p1.old/defines.h openntpd-3.9p1/defines.h +--- openntpd-3.9p1.old/defines.h 2006-05-14 07:29:21.000000000 +0200 ++++ openntpd-3.9p1/defines.h 2008-02-07 13:14:34.488711868 +0100 +@@ -20,6 +20,10 @@ + # define setproctitle(x) + #endif + ++#ifdef USE_ADJTIMEX ++# define adjtime(a,b) (_compat_adjtime((a),(b))) ++#endif ++ + #if !defined(SA_LEN) + # if defined(HAVE_STRUCT_SOCKADDR_SA_LEN) + # define SA_LEN(x) ((x)->sa_len) +Only in openntpd-3.9p1.old: ntpd.0 +Only in openntpd-3.9p1.old: ntpd.conf.0 +diff -ur --unidirectional-new-file openntpd-3.9p1.old/openbsd-compat/Makefile.in openntpd-3.9p1/openbsd-compat/Makefile.in +--- openntpd-3.9p1.old/openbsd-compat/Makefile.in 2006-05-14 07:29:19.000000000 +0200 ++++ openntpd-3.9p1/openbsd-compat/Makefile.in 2008-02-07 13:31:39.499728930 +0100 +@@ -9,7 +9,7 @@ + COMPAT= atomicio.o bsd-arc4random.o bsd-misc.o bsd-poll.o \ + bsd-snprintf.o bsd-getifaddrs.o bsd-setresuid.o \ + bsd-setresgid.o fake-rfc2553.o +-PORT= port-qnx.o ++PORT= port-linux.o port-qnx.o + + VPATH=@srcdir@ + CC=@CC@ +diff -ur --unidirectional-new-file openntpd-3.9p1.old/openbsd-compat/openbsd-compat.h openntpd-3.9p1/openbsd-compat/openbsd-compat.h +--- openntpd-3.9p1.old/openbsd-compat/openbsd-compat.h 2006-05-14 07:29:19.000000000 +0200 ++++ openntpd-3.9p1/openbsd-compat/openbsd-compat.h 2008-02-07 13:17:00.272366764 +0100 +@@ -46,6 +46,11 @@ + __attribute__((__format__ (printf, 2, 3))); + #endif + ++#ifdef USE_ADJTIMEX ++# include <sys/time.h> ++int _compat_adjtime(const struct timeval *, struct timeval *); ++#endif ++ + #ifndef HAVE_INET_PTON + int inet_pton(int, const char *, void *); + #endif +diff -ur --unidirectional-new-file openntpd-3.9p1.old/openbsd-compat/port-linux.c openntpd-3.9p1/openbsd-compat/port-linux.c +--- openntpd-3.9p1.old/openbsd-compat/port-linux.c 1970-01-01 01:00:00.000000000 +0100 ++++ openntpd-3.9p1/openbsd-compat/port-linux.c 2008-02-07 13:24:43.800366563 +0100 +@@ -0,0 +1,105 @@ ++ ++ ++/* ++ * Copyright (c) 2004 Darren Tucker <dtucker at zip com au> ++ * ++ * Permission to use, copy, modify, and distribute this software for any ++ * purpose with or without fee is hereby granted, provided that the above ++ * copyright notice and this permission notice appear in all copies. ++ * ++ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES ++ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF ++ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ++ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES ++ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ++ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF ++ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ++ */ ++ ++#include "includes.h" ++ ++#ifdef USE_ADJTIMEX ++#include <sys/timex.h> ++#include <errno.h> ++#ifdef adjtime ++# undef adjtime ++#endif ++ ++#include "ntpd.h" ++ ++/* scale factor used by adjtimex freq param. 1 ppm = 65536 */ ++#define ADJTIMEX_FREQ_SCALE 65536 ++ ++/* maximum change to skew per adjustment, in PPM */ ++#define MAX_SKEW_DELTA 5.0 ++ ++int ++_compat_adjtime(const struct timeval *delta, struct timeval *olddelta) ++{ ++ static struct timeval tlast = {0,0}; ++ static double tskew = 0; ++ static int synced = -1; ++ struct timeval tnow, tdelta; ++ double skew = 0, newskew, deltaskew, adjust, interval = 0; ++ struct timex tmx; ++ int result, saved_errno; ++ ++ gettimeofday(&tnow, NULL); ++ adjust = (double)delta->tv_sec; ++ adjust += (double)delta->tv_usec / 1000000; ++ ++ /* Even if the caller doesn't care about the olddelta, we do */ ++ if (olddelta == NULL) ++ olddelta = &tdelta; ++ ++ result = adjtime(delta, olddelta); ++ saved_errno = errno; ++ ++ if (olddelta->tv_sec == 0 && olddelta->tv_usec == 0 && ++ synced != INT_MAX) ++ synced++; ++ else ++ synced = 0; ++ ++ /* ++ * do skew calculations if we have synced ++ */ ++ if (synced == 0 ) { ++ tmx.modes = 0; ++ if (adjtimex(&tmx) == -1) ++ log_warn("adjtimex get failed"); ++ else ++ tskew = (double)tmx.freq / ADJTIMEX_FREQ_SCALE; ++ } else if (synced >= 1) { ++ interval = (double)(tnow.tv_sec - tlast.tv_sec); ++ interval += (double)(tnow.tv_usec - tlast.tv_usec) / 1000000; ++ ++ skew = (adjust * 1000000) / interval; ++ newskew = ((tskew * synced) + skew) / synced; ++ deltaskew = newskew - tskew; ++ ++ if (deltaskew > MAX_SKEW_DELTA) { ++ log_info("skew change %0.3lf exceeds limit", deltaskew); ++ tskew += MAX_SKEW_DELTA; ++ } else if (deltaskew < -MAX_SKEW_DELTA) { ++ log_info("skew change %0.3lf exceeds limit", deltaskew); ++ tskew -= MAX_SKEW_DELTA; ++ } else { ++ tskew = newskew; ++ } ++ ++ /* Adjust the kernel skew. */ ++ tmx.freq = (long)(tskew * ADJTIMEX_FREQ_SCALE); ++ tmx.modes = ADJ_FREQUENCY; ++ if (adjtimex(&tmx) == -1) ++ log_warn("adjtimex set freq failed"); ++ } ++ ++ log_debug("interval %0.3lf skew %0.3lf total skew %0.3lf", interval, ++ skew, tskew); ++ ++ tlast = tnow; ++ errno = saved_errno; ++ return result; ++} ++#endif |