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 global; 7*7c3d14c8STreehugger Robot 8*7c3d14c8STreehugger Robotvoid handler(void *arg) { 9*7c3d14c8STreehugger Robot fprintf(stderr, "global = %ld\n", global); 10*7c3d14c8STreehugger Robot 11*7c3d14c8STreehugger Robot dispatch_sync(dispatch_get_main_queue(), ^{ 12*7c3d14c8STreehugger Robot CFRunLoopStop(CFRunLoopGetCurrent()); 13*7c3d14c8STreehugger Robot }); 14*7c3d14c8STreehugger Robot} 15*7c3d14c8STreehugger Robot 16*7c3d14c8STreehugger Robotint main(int argc, const char *argv[]) { 17*7c3d14c8STreehugger Robot dispatch_queue_t queue = 18*7c3d14c8STreehugger Robot dispatch_queue_create("my.queue", DISPATCH_QUEUE_CONCURRENT); 19*7c3d14c8STreehugger Robot 20*7c3d14c8STreehugger Robot dispatch_source_t source = 21*7c3d14c8STreehugger Robot dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, queue); 22*7c3d14c8STreehugger Robot 23*7c3d14c8STreehugger Robot dispatch_source_set_timer(source, dispatch_walltime(NULL, 0), 1e9, 5); 24*7c3d14c8STreehugger Robot 25*7c3d14c8STreehugger Robot global = 42; 26*7c3d14c8STreehugger Robot 27*7c3d14c8STreehugger Robot dispatch_source_set_event_handler_f(source, &handler); 28*7c3d14c8STreehugger Robot 29*7c3d14c8STreehugger Robot dispatch_resume(source); 30*7c3d14c8STreehugger Robot 31*7c3d14c8STreehugger Robot CFRunLoopRun(); 32*7c3d14c8STreehugger Robot 33*7c3d14c8STreehugger Robot return 0; 34*7c3d14c8STreehugger Robot} 35*7c3d14c8STreehugger Robot 36*7c3d14c8STreehugger Robot// CHECK: global = 42 37*7c3d14c8STreehugger Robot// CHECK-NOT: WARNING: ThreadSanitizer 38