third_party/libevent/test/test-time.c

   1 /*
   2  * Compile with:
   3  * cc -I/usr/local/include -o time-test time-test.c -L/usr/local/lib -levent
   4  */
   5 #ifdef HAVE_CONFIG_H
   6 #include "config.h"
   7 #endif
   8
   9 #ifdef WIN32
  10 #include <winsock2.h>
  11 #endif
  12
  13 #include <sys/types.h>
  14 #include <sys/stat.h>
  15 #ifdef HAVE_SYS_TIME_H
  16 #include <sys/time.h>
  17 #endif
  18 #include <fcntl.h>
  19 #include <stdlib.h>
  20 #include <stdio.h>
  21 #include <string.h>
  22 #ifdef HAVE_UNISTD_H
  23 #include <unistd.h>
  24 #endif
  25 #include <errno.h>
  26
  27 #include <event.h>
  28
  29 int called = 0;
  30
  31 #define NEVENT  20000
  32
  33 struct event *ev[NEVENT];
  34
  35 static int
  36 rand_int(int n)
  37 {
  38 #ifdef WIN32
  39         return (int)(rand() * n);
  40 #else
  41         return (int)(random() % n);
  42 #endif
  43 }
  44
  45 static void
  46 time_cb(int fd, short event, void *arg)
  47 {
  48         struct timeval tv;
  49         int i, j;
  50
  51         called++;
  52
  53         if (called < 10*NEVENT) {
  54                 for (i = 0; i < 10; i++) {
  55                         j = rand_int(NEVENT);
  56                         tv.tv_sec = 0;
  57                         tv.tv_usec = rand_int(50000);
  58                         if (tv.tv_usec % 2)
  59                                 evtimer_add(ev[j], &tv);
  60                         else
  61                                 evtimer_del(ev[j]);
  62                 }
  63         }
  64 }
  65
  66 int
  67 main (int argc, char **argv)
  68 {
  69         struct timeval tv;
  70         int i;
  71
  72         /* Initalize the event library */
  73         event_init();
  74
  75         for (i = 0; i < NEVENT; i++) {
  76                 ev[i] = malloc(sizeof(struct event));
  77
  78                 /* Initalize one event */
  79                 evtimer_set(ev[i], time_cb, ev[i]);
  80                 tv.tv_sec = 0;
  81                 tv.tv_usec = rand_int(50000);
  82                 evtimer_add(ev[i], &tv);
  83         }
  84
  85         event_dispatch();
  86
  87         return (called < NEVENT);
  88 }
  89