test-suite/waiter.c

   1 /*
   2  * Copyright (C) 1996-2021 The Squid Software Foundation and contributors
   3  *
   4  * Squid software is distributed under GPLv2+ license and includes
   5  * contributions from numerous individuals and organizations.
   6  * Please see the COPYING and CONTRIBUTORS files for details.
   7  */
   8
   9 #include "squid.h"
  10
  11 #if HAVE_ASSERT_H
  12 #include <assert.h>
  13 #endif
  14
  15 int
  16 main(int argc, char *argv[])
  17 {
  18     int i;
  19     struct timeval now;
  20     struct timeval alarm;
  21     struct timeval to;
  22     assert(argc == 2);
  23     i = atoi(argv[1]);
  24     gettimeofday(&now, NULL);
  25     alarm.tv_sec = now.tv_sec + i + (now.tv_sec % i);
  26     alarm.tv_usec = 0;
  27     to.tv_sec = alarm.tv_sec - now.tv_sec;
  28     to.tv_usec = alarm.tv_usec - now.tv_usec;
  29     if (to.tv_usec < 0) {
  30         to.tv_usec += 1000000;
  31         to.tv_sec -= 1;
  32     }
  33     select(1, NULL, NULL, NULL, &to);
  34     return 0;
  35 }
  36