Prevent spawning more than one ntp/pps thread. This also fixes some process killing problems I have been seeing. Thanks to John Arthur <lists@davey.net.au>.

1 files changed, 7 insertions, 0 deletions

diff --git a/serial.c b/serial.c
index d07b7f3a..5e1c7e24 100644
--- a/serial.c
+++ b/serial.c
@@ -333,6 +333,13 @@ void gpsd_assert_sync(struct gps_device_t *session)
      * 1pps derived time data to ntpd.
      */
     ntpd_link_activate(session);
+
+    gpsd_report(LOG_INF, "ntpd_link_activate: %d\n",
+      (int)session->shmindex >=0 );
+    /* do not start more than one ntp thread */
+    if (!(session->shmindex >=0))
+       ntpd_link_activate(session);
+
 #endif /* NTPSHM_ENABLE */
 }