testing/test.c

   1 #include <mach/mach.h>
   2 #include <mach/mach_time.h>
   3 #include <stdio.h>
   4 #include <stdlib.h>
   5 #include <assert.h>
   6 #include <pthread.h>
   7 #include <dispatch.h>
   8
   9 int
  10 main(void)
  11 {
  12         void (^wb)(dispatch_item_t) = ^(dispatch_item_t di) {
  13                 printf("%p\t%p\t%s:\t%llu\n", pthread_self(), di, __func__, mach_absolute_time());
  14         };
  15         void (^cb)(dispatch_item_t) = ^(dispatch_item_t di) {
  16                 printf("%p\t%p\t%s:\t%llu\n", pthread_self(), di, __func__, mach_absolute_time());
  17         };
  18         dispatch_queue_t q;
  19         dispatch_item_t di_r;
  20         size_t i;
  21         bool r;
  22
  23         q = dispatch_queue_new("test", 0, NULL, NULL, NULL);
  24         assert(q != NULL);
  25
  26         for (i = 0; i < 1000; i++) {
  27                 r = dispatch_call_wait(q, wb, NULL);
  28                 assert(r);
  29         }
  30
  31         printf("done with dispatch_call_wait()\n");
  32
  33         r = dispatch_apply_wait(wb, 10, NULL);
  34         assert(r);
  35
  36         r = dispatch_call(q, wb, cb, NULL, &di_r);
  37         assert(r);
  38         assert(di_r);
  39
  40         printf("waiting for dispatch_call() callback\n");
  41
  42         dispatch_main();
  43
  44         return 0;
  45 }