From fe39ffb8b90ae4e002ed73fe98617cd590abb467 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 08:33:50 +0200 Subject: Adding upstream version 2.4.56. Signed-off-by: Daniel Baumann --- test/test_select.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 test/test_select.c (limited to 'test/test_select.c') diff --git a/test/test_select.c b/test/test_select.c new file mode 100644 index 0000000..af11035 --- /dev/null +++ b/test/test_select.c @@ -0,0 +1,46 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* This is just a quick test program to see how long a wait is + * produced by a select loop with an exponential backoff. + * + * gcc -g -O2 -o test_select test_select.c + * test_select + * + * Roy Fielding, 1996 + */ + +#include +#include +#include + +int main (void) +{ + int srv; + long waittime = 4096; + struct timeval tv; + + printf("Start\n"); + while ((waittime > 0) && (waittime < 3000000)) { + printf("%d\n", waittime); + tv.tv_sec = waittime/1000000; + tv.tv_usec = waittime%1000000; + waittime <<= 1; + srv = select(0, NULL, NULL, NULL, &tv); + } + printf("End\n"); + exit(0); +} -- cgit v1.2.3