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/* 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 <stdio.h>
#include <stdlib.h>
#include <sys/time.h>
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);
}