trackrdrd: move the "workers running" warning into the monitor thread

trackrdrd/src/child.c

@@ -690,9 +690,6 @@ OSL_Track(void *priv, enum VSL_tag_e tag, unsigned fd, unsigned len,
         return 1;
 
     wrk_running = WRK_Running();
-    if (wrk_running < config.nworkers)
-        LOG_Log(LOG_WARNING, "%d of %d workers running", wrk_running,
-            config.nworkers);
     
     /* spec != 'c' */
     if ((spec & VSL_S_CLIENT) == 0)

trackrdrd/src/monitor.c

@@ -86,7 +86,11 @@ log_output(void)
     /* locking would be overkill */
     dtbl.r_stats.occ_hi_this = 0;
 
-    if (config.monitor_workers)
+    if (config.monitor_workers) {
+        int wrk_running = WRK_Running();
+        if (wrk_running < config.nworkers)
+            LOG_Log(LOG_WARNING, "%d of %d workers running", wrk_running,
+                config.nworkers);
         WRK_Stats();
 }