forked from Lainports/freebsd-ports
48ad275b3d
Research Council Canada (NRC). This software uses signals from radio station CHU to set and frequency discipline the system clock on a Linux (FreeBSD) based system. WWW: http://www.rossi.com/chu/ PR: ports/103369 Submitted by: Diane Bruce <db(at)db.net>
76 lines
1.3 KiB
C
76 lines
1.3 KiB
C
--- chu.c.orig Wed Mar 17 11:42:18 1999
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+++ chu.c Mon Sep 18 17:46:42 2006
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@@ -20,15 +20,21 @@
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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+#include <errno.h>
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+#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#include <unistd.h>
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-#define USE_TIMEX
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+#define ADJTIME
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+#undef USE_TIMEX
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+#define USE_ADJTIME
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+
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+#ifdef ADJTIME
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#ifdef USE_TIMEX
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#include <sys/timex.h>
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#endif
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-
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+#endif
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#define SAMPLE_RATE 8000
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#define SAMPLES 512
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#define OVERLAP 50
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@@ -389,6 +395,21 @@
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}
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}
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+#ifdef USE_ADJTIME
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+void
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+do_adjtime(int microsec)
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+{
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+ struct timeval delta;
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+ int status;
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+
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+ printf("do_adjtime adjustment: %d\n", microsec);
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+ delta.tv_sec = 0;
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+ delta.tv_usec = microsec;
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+ status = adjtime(&delta, NULL);
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+ printf("do_adjtime status: %d\n", status);
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+}
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+#endif
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+
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#ifdef USE_TIMEX
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void timex_adjustment(int microsec)
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{
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@@ -462,7 +483,8 @@
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adjtimex(&t);
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offset = t.offset;
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#endif
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-
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+#ifdef USE_ADJTIME
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+#endif
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return (double) offset;
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}
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@@ -655,12 +677,17 @@
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tv.tv_usec += 1000000;
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}
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+#ifdef ADJTIME
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#ifdef USE_TIMEX
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if (fabs(d) < ((double)MAXPHASE))
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{
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timex_adjustment((int)-d);
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}
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+#else
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+ if (fabs(d) < ((double)1000000))
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+ do_adjtime((int)-d);
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else
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+#endif
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#endif
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{
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printf("standard adjustment ");
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