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authorHenning Brauer <henning@cvs.openbsd.org>2008-06-11 05:30:36 +0000
committerHenning Brauer <henning@cvs.openbsd.org>2008-06-11 05:30:36 +0000
commit19bd3957dcae701353d7ded2db29ad9e6bcff394 (patch)
tree07fefbf9098afc20e545ef53853a504f8d89f13c
parentad66566195aa5616177ec78419cccd6344788fd7 (diff)
use monotime instead of wallclock.
makes us independent from system time changes. diff from japan,was hiding... ok claudio some time ago
-rw-r--r--usr.sbin/bgpd/timer.c23
1 files changed, 18 insertions, 5 deletions
diff --git a/usr.sbin/bgpd/timer.c b/usr.sbin/bgpd/timer.c
index f58820f8e70..8b30fae7adf 100644
--- a/usr.sbin/bgpd/timer.c
+++ b/usr.sbin/bgpd/timer.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: timer.c,v 1.11 2008/05/08 09:53:12 henning Exp $ */
+/* $OpenBSD: timer.c,v 1.12 2008/06/11 05:30:35 henning Exp $ */
/*
* Copyright (c) 2003-2007 Henning Brauer <henning@openbsd.org>
@@ -23,6 +23,19 @@
#include "bgpd.h"
#include "session.h"
+time_t getmonotime(void);
+
+time_t
+getmonotime(void)
+{
+ struct timespec ts;
+
+ if (clock_gettime(CLOCK_MONOTONIC, &ts) != 0)
+ fatal("clock_gettime");
+
+ return (ts.tv_sec);
+}
+
struct peer_timer *
timer_get(struct peer *p, enum Timer timer)
{
@@ -41,7 +54,7 @@ timer_nextisdue(struct peer *p)
struct peer_timer *pt;
pt = TAILQ_FIRST(&p->timers);
- if (pt != NULL && pt->val > 0 && pt->val <= time(NULL))
+ if (pt != NULL && pt->val > 0 && pt->val <= getmonotime())
return (pt);
return (NULL);
}
@@ -63,7 +76,7 @@ timer_running(struct peer *p, enum Timer timer, time_t *left)
if (pt != NULL && pt->val > 0) {
if (left != NULL)
- *left = pt->val - time(NULL);
+ *left = pt->val - getmonotime();
return (1);
}
return (0);
@@ -79,12 +92,12 @@ timer_set(struct peer *p, enum Timer timer, u_int offset)
fatal("timer_set");
pt->type = timer;
} else {
- if (pt->val == time(NULL) + (time_t)offset)
+ if (pt->val == getmonotime() + (time_t)offset)
return;
TAILQ_REMOVE(&p->timers, pt, entry);
}
- pt->val = time(NULL) + offset;
+ pt->val = getmonotime() + offset;
TAILQ_FOREACH(t, &p->timers, entry)
if (t->val == 0 || t->val > pt->val)