1 // RUN: %clang_tsan %s -o %t -framework Foundation
2 // RUN: %env_tsan_opts=ignore_interceptors_accesses=1 %run %t 2>&1 | FileCheck %s
4 #import <Foundation/Foundation.h>
8 int main(int argc, const char *argv[]) {
9 dispatch_queue_t queue =
10 dispatch_queue_create("my.queue", DISPATCH_QUEUE_CONCURRENT);
12 dispatch_source_t source =
13 dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, queue);
15 dispatch_source_set_timer(source, dispatch_walltime(NULL, 0), 1e9, 5);
19 dispatch_source_set_event_handler(source, ^{
20 fprintf(stderr, "global = %ld\n", global);
22 dispatch_sync(dispatch_get_main_queue(), ^{
23 CFRunLoopStop(CFRunLoopGetCurrent());
27 dispatch_resume(source);
35 // CHECK-NOT: WARNING: ThreadSanitizer