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-rw-r--r--src/timesync/timesyncd-manager.c9
-rw-r--r--src/timesync/timesyncd-manager.h3
2 files changed, 7 insertions, 5 deletions
diff --git a/src/timesync/timesyncd-manager.c b/src/timesync/timesyncd-manager.c
index dadf213a80..5570408fa1 100644
--- a/src/timesync/timesyncd-manager.c
+++ b/src/timesync/timesyncd-manager.c
@@ -137,11 +137,10 @@ static int manager_send_request(Manager *m) {
}
/* re-arm timer with increasing timeout, in case the packets never arrive back */
- if (m->retry_interval > 0) {
- if (m->retry_interval < m->poll_interval_max_usec)
- m->retry_interval *= 2;
- } else
- m->retry_interval = m->poll_interval_min_usec;
+ if (m->retry_interval == 0)
+ m->retry_interval = NTP_RETRY_INTERVAL_MIN_USEC;
+ else
+ m->retry_interval = MIN(m->retry_interval * 4/3, NTP_RETRY_INTERVAL_MAX_USEC);
r = manager_arm_timer(m, m->retry_interval);
if (r < 0)
diff --git a/src/timesync/timesyncd-manager.h b/src/timesync/timesyncd-manager.h
index 97c4e2ff34..d74521c9cf 100644
--- a/src/timesync/timesyncd-manager.h
+++ b/src/timesync/timesyncd-manager.h
@@ -24,6 +24,9 @@ typedef struct Manager Manager;
#define NTP_POLL_INTERVAL_MIN_USEC (32 * USEC_PER_SEC)
#define NTP_POLL_INTERVAL_MAX_USEC (2048 * USEC_PER_SEC)
+#define NTP_RETRY_INTERVAL_MIN_USEC (15 * USEC_PER_SEC)
+#define NTP_RETRY_INTERVAL_MAX_USEC (6 * 60 * USEC_PER_SEC) /* 6 minutes */
+
struct Manager {
sd_bus *bus;
sd_event *event;