compiler-rt/test/lsan/TestCases/Darwin/dispatch_continuations.mm

   1 // Test that dispatch continuation memory region is scanned.
   2 // RUN: %clangxx_lsan %s  -o %t -framework Foundation
   3 // RUN: %env_lsan_opts="report_objects=1" %run %t 2>&1 && echo "" | FileCheck %s
   4
   5 #include <dispatch/dispatch.h>
   6 #include <sanitizer/lsan_interface.h>
   7
   8 int main() {
   9   // Reduced from `CFRunLoopCreate`
  10   dispatch_queue_t fake_rl_queue = dispatch_get_global_queue(2, 0);
  11   dispatch_source_t timer =
  12       dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, fake_rl_queue);
  13   dispatch_source_set_event_handler(timer, ^{
  14                                     });
  15   dispatch_source_set_timer(timer, DISPATCH_TIME_FOREVER, DISPATCH_TIME_FOREVER,
  16                             321);
  17   dispatch_resume(timer);
  18   __lsan_do_leak_check();
  19   dispatch_source_cancel(timer);
  20   dispatch_release(timer);
  21   return 0;
  22 }
  23
  24 // CHECK-NOT: LeakSanitizer: detected memory leaks