Fix the benchmark feature by bypassing the new networking code.

cgminer.c

@@ -2043,25 +2043,30 @@ static void *get_work_thread(void *userdata)
 	else
 		ret_work->thr = NULL;
 
-	pool = ret_work->pool = select_pool(wc->lagging);
-	ce = pop_curl_entry(pool);
+	if (opt_benchmark)
+		get_benchmark_work(ret_work);
+	else {
+		pool = ret_work->pool = select_pool(wc->lagging);
+		
+		ce = pop_curl_entry(pool);
+
+		/* obtain new work from bitcoin via JSON-RPC */
+		while (!get_upstream_work(ret_work, ce->curl)) {
+			if (unlikely((opt_retries >= 0) && (++failures > opt_retries))) {
+				applog(LOG_ERR, "json_rpc_call failed, terminating workio thread");
+				free_work(ret_work);
+				kill_work();
+				goto out;
+			}
 
-	/* obtain new work from bitcoin via JSON-RPC */
-	while (!get_upstream_work(ret_work, ce->curl)) {
-		if (unlikely((opt_retries >= 0) && (++failures > opt_retries))) {
-			applog(LOG_ERR, "json_rpc_call failed, terminating workio thread");
-			free_work(ret_work);
-			kill_work();
-			goto out;
+			/* pause, then restart work-request loop */
+			applog(LOG_DEBUG, "json_rpc_call failed on get work, retry after %d seconds",
+				fail_pause);
+			sleep(fail_pause);
+			fail_pause += opt_fail_pause;
 		}
-
-		/* pause, then restart work-request loop */
-		applog(LOG_DEBUG, "json_rpc_call failed on get work, retry after %d seconds",
-			fail_pause);
-		sleep(fail_pause);
-		fail_pause += opt_fail_pause;
+		fail_pause = opt_fail_pause;
 	}
-	fail_pause = opt_fail_pause;
 
 	applog(LOG_DEBUG, "Pushing work to requesting thread");
 
@@ -2074,7 +2079,8 @@ static void *get_work_thread(void *userdata)
 
 out:
 	workio_cmd_free(wc);
-	push_curl_entry(ce, pool);
+	if (!opt_benchmark)
+		push_curl_entry(ce, pool);
 	return NULL;
 }