testing/queue_finalizer.c

   1 #include <dispatch/dispatch.h>
   2 #include <unistd.h>
   3 #include <stdarg.h>
   4 #include <stdio.h>
   5 #include <stdlib.h>
   6 #include <assert.h>
   7
   8 #include "dispatch_test.h"
   9
  10 int main(void) {
  11         long res;
  12
  13         test_start("Dispatch Queue Finalizer");
  14
  15 #ifdef __LP64__
  16         void* ctxt_magic = (void*)((uintptr_t)arc4random() << 32 | arc4random());
  17 #else
  18         void* ctxt_magic = (void*)arc4random();
  19 #endif
  20
  21         dispatch_queue_attr_t attr = dispatch_queue_attr_create();
  22         test_ptr_notnull("dispatch_queue_attr_create", attr);
  23
  24         __block long finalizer_ran = 0;
  25
  26         res = dispatch_queue_attr_set_finalizer(attr, ^(dispatch_queue_t dq) {
  27                 void* ctxt = dispatch_queue_get_context(dq);
  28                 test_ptr("dispatch_queue_get_context", ctxt, ctxt_magic);
  29                 test_ptr_notnull("finalizer ran", dq);
  30                 test_stop();
  31         });
  32         test_long("dispatch_queue_attr_set_finalizer", res, 0);
  33
  34         dispatch_queue_t q = dispatch_queue_create(NULL, attr);
  35         test_ptr_notnull("dispatch_queue_new", q);
  36
  37         dispatch_queue_set_context(q, ctxt_magic);
  38
  39         dispatch_release(attr);
  40
  41         dispatch_release(q);
  42
  43         dispatch_main();
  44
  45         return 0;
  46 }