Modified the timeout and retry count: Allow 4 seconds for an NTP reply,

and 4 retries, thus NTP sync must work at least once every 5 minutes.

src/libCom/osi/os/vxWorks/osdTime.cpp

@@ -42,7 +42,9 @@ static int done = timeRegister();
 
 int osdNTPGet(struct timespec *ts)
 {
-    return sntpcTimeGet(const_cast<char *>(pserverAddr), sysClkRateGet(), ts);
+    return sntpcTimeGet(const_cast<char *>(pserverAddr),
+        4 * sysClkRateGet(),    /* 4 second timeout for NTP request*/
+        ts);
 }
 
 void osdNTPInit(void)

src/libCom/osi/osiNTPTime.c

@@ -34,6 +34,7 @@
 
 #define NSEC_PER_SEC 1000000000
 #define NTPTimeSyncInterval 60.0
+#define NTPTimeSyncRetries 4
 
 
 static struct {
@@ -153,8 +154,7 @@ static void NTPTimeSync(void *dummy)
         tickNow = osdTickGet();
 
         if (status) {
-            /* Retry before failing */
-            if (++NTPTimePvt.syncsFailed >= 2 &&
+            if (++NTPTimePvt.syncsFailed > NTPTimeSyncRetries &&
                 NTPTimePvt.synchronized) {
                 errlogPrintf("NTPTimeSync: NTP requests failing - %s\n",
                     strerror(errno));