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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);
+}