Start mining as soon as any pool is found active and rely on the watchpool thread to bring up other pools.

cgminer.c

@@ -4056,12 +4056,12 @@ void enable_device(struct cgpu_info *cgpu)
 
 int main (int argc, char *argv[])
 {
-	unsigned int i, pools_active = 0;
-	unsigned int j, k;
 	struct block *block, *tmpblock;
 	struct work *work, *tmpwork;
+	bool pools_active = false;
 	struct sigaction handler;
 	struct thr_info *thr;
+	unsigned int i, j, k;
 
 	/* This dangerous functions tramples random dynamically allocated
 	 * variables so do it before anything at all */
@@ -4318,24 +4318,28 @@ int main (int argc, char *argv[])
 	/* We use the getq mutex as the staged lock */
 	stgd_lock = &getq->mutex;
 
-retry_pools:
-	/* Test each pool to see if we can retrieve and use work and for what
-	 * it supports */
 	for (i = 0; i < total_pools; i++) {
-		struct pool *pool;
+		struct pool *pool  = pools[i];
 
-		pool = pools[i];
 		pool->enabled = true;
+		pool->idle = true;
+	}
+
+	applog(LOG_NOTICE, "Probing for an alive pool");
+	do {
+		/* Look for at least one active pool before starting */
+		for (i = 0; i < total_pools; i++) {
+			struct pool *pool  = pools[i];
 			if (pool_active(pool, false)) {
 				if (!currentpool)
 					currentpool = pool;
 				applog(LOG_INFO, "Pool %d %s active", pool->pool_no, pool->rpc_url);
-			pools_active++;
+				pools_active = true;
+				break;
 			} else {
 				if (pool == currentpool)
 					currentpool = NULL;
 				applog(LOG_WARNING, "Unable to get work from pool %d %s", pool->pool_no, pool->rpc_url);
-			pool->idle = true;
 			}
 		}
 
@@ -4360,8 +4364,8 @@ retry_pools:
 				nocbreak();
 			} else
 				quit(0, "No servers could be used! Exiting.");
-		goto retry_pools;
 		}
+	} while (!pools_active);
 
 	if (want_longpoll)
 		start_longpoll();