testing/dispatch_deadname.c

   1 #include <dispatch/dispatch.h>
   2 #include <mach/mach.h>
   3 #include <stdio.h>
   4 #include <unistd.h>
   5 #include <stdlib.h>
   6 #include <assert.h>
   7
   8 #include "dispatch_test.h"
   9
  10 int
  11 main(void)
  12 {
  13         test_start("Dispatch dead-name notification");
  14
  15         dispatch_async(dispatch_get_concurrent_queue(0), ^{
  16                 mach_port_t mp = pthread_mach_thread_np(pthread_self());
  17                 dispatch_source_t ds0;
  18                 kern_return_t kr;
  19
  20                 assert(mp);
  21
  22                 kr = mach_port_mod_refs(mach_task_self(), mp, MACH_PORT_RIGHT_SEND, 1);
  23
  24                 assert(kr == 0);
  25
  26                 ds0 = dispatch_source_machport_create(mp, DISPATCH_MACHPORT_DEAD, NULL, dispatch_get_main_queue(),
  27                                         ^(dispatch_event_t de) {
  28                         dispatch_release(dispatch_event_get_source(de));
  29                         test_stop();
  30                         exit(EXIT_SUCCESS);
  31                 });
  32
  33                 test_ptr_notnull("dispatch_source_machport_create", ds0);
  34
  35                 // give the mgr queue time to start, otherwise the mgr queue will run
  36                 // on this thread, thus defeating the test which assumes that this
  37                 // thread will die.
  38                 sleep(1);
  39         });
  40
  41         dispatch_main();
  42
  43         return 0;
  44 }