testing/dispatch_timer_bit63.c

   1 #include <assert.h>
   2 #include <stdio.h>
   3 #include <string.h>
   4 #include <sys/time.h>
   5
   6 #include <dispatch/dispatch.h>
   7
   8 #include "dispatch_test.h"
   9
  10 int main(void)
  11 {
  12         test_start("Dispatch Source Timer, bit 63");
  13
  14         //uint64_t interval = 0xffffffffffffffffull;
  15         uint64_t interval = 0x8000000000000001ull;
  16
  17         dispatch_queue_t mainq = dispatch_get_main_queue();
  18
  19         __block int i = 0;
  20         struct timeval start_time;
  21
  22         gettimeofday(&start_time, NULL);
  23
  24         dispatch_source_t ds;
  25         ds = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, mainq);
  26         assert(ds);
  27         dispatch_source_set_event_handler(ds, ^{
  28                 assert(i < 1);
  29                 printf("%d\n", i++);
  30         });
  31         dispatch_source_set_timer(ds, DISPATCH_TIME_NOW, interval, 0);
  32         dispatch_resume(ds);
  33
  34         dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 1*NSEC_PER_SEC),
  35                 dispatch_get_main_queue(), ^{
  36                 test_stop();
  37         });
  38
  39         dispatch_main();
  40
  41         return 0;
  42 }