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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);
}
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