1*7c3d14c8STreehugger Robot// RUN: %clang_tsan %s -o %t -framework Foundation 2*7c3d14c8STreehugger Robot// RUN: %env_tsan_opts=ignore_interceptors_accesses=1 %run %t 2>&1 | FileCheck %s 3*7c3d14c8STreehugger Robot 4*7c3d14c8STreehugger Robot#import <Foundation/Foundation.h> 5*7c3d14c8STreehugger Robot 6*7c3d14c8STreehugger Robotlong my_global; 7*7c3d14c8STreehugger Robotlong my_global2; 8*7c3d14c8STreehugger Robot 9*7c3d14c8STreehugger Robotvoid callback(void *context) { 10*7c3d14c8STreehugger Robot my_global2 = 42; 11*7c3d14c8STreehugger Robot 12*7c3d14c8STreehugger Robot dispatch_async(dispatch_get_main_queue(), ^{ 13*7c3d14c8STreehugger Robot CFRunLoopStop(CFRunLoopGetMain()); 14*7c3d14c8STreehugger Robot }); 15*7c3d14c8STreehugger Robot} 16*7c3d14c8STreehugger Robot 17*7c3d14c8STreehugger Robotint main(int argc, const char *argv[]) { 18*7c3d14c8STreehugger Robot fprintf(stderr, "start\n"); 19*7c3d14c8STreehugger Robot 20*7c3d14c8STreehugger Robot my_global = 10; 21*7c3d14c8STreehugger Robot dispatch_queue_t q = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0); 22*7c3d14c8STreehugger Robot dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(10 * NSEC_PER_MSEC)), q, ^{ 23*7c3d14c8STreehugger Robot my_global = 42; 24*7c3d14c8STreehugger Robot 25*7c3d14c8STreehugger Robot dispatch_async(dispatch_get_main_queue(), ^{ 26*7c3d14c8STreehugger Robot CFRunLoopStop(CFRunLoopGetMain()); 27*7c3d14c8STreehugger Robot }); 28*7c3d14c8STreehugger Robot }); 29*7c3d14c8STreehugger Robot CFRunLoopRun(); 30*7c3d14c8STreehugger Robot 31*7c3d14c8STreehugger Robot my_global2 = 10; 32*7c3d14c8STreehugger Robot dispatch_after_f(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(10 * NSEC_PER_MSEC)), q, NULL, &callback); 33*7c3d14c8STreehugger Robot CFRunLoopRun(); 34*7c3d14c8STreehugger Robot 35*7c3d14c8STreehugger Robot fprintf(stderr, "done\n"); 36*7c3d14c8STreehugger Robot return 0; 37*7c3d14c8STreehugger Robot} 38*7c3d14c8STreehugger Robot 39*7c3d14c8STreehugger Robot// CHECK: start 40*7c3d14c8STreehugger Robot// CHECK: done 41*7c3d14c8STreehugger Robot// CHECK-NOT: WARNING: ThreadSanitizer 42