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 Robot#import "../test.h" 7*7c3d14c8STreehugger Robot 8*7c3d14c8STreehugger Robotlong global; 9*7c3d14c8STreehugger Robot 10*7c3d14c8STreehugger Robotint main() { 11*7c3d14c8STreehugger Robot fprintf(stderr, "Hello world.\n"); 12*7c3d14c8STreehugger Robot print_address("addr=", 1, &global); 13*7c3d14c8STreehugger Robot barrier_init(&barrier, 2); 14*7c3d14c8STreehugger Robot 15*7c3d14c8STreehugger Robot dispatch_queue_t q = dispatch_queue_create("my.queue", DISPATCH_QUEUE_CONCURRENT); 16*7c3d14c8STreehugger Robot dispatch_queue_t bgq = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0); 17*7c3d14c8STreehugger Robot 18*7c3d14c8STreehugger Robot dispatch_async(bgq, ^{ 19*7c3d14c8STreehugger Robot dispatch_sync(q, ^{ 20*7c3d14c8STreehugger Robot global = 42; 21*7c3d14c8STreehugger Robot }); 22*7c3d14c8STreehugger Robot barrier_wait(&barrier); 23*7c3d14c8STreehugger Robot }); 24*7c3d14c8STreehugger Robot 25*7c3d14c8STreehugger Robot dispatch_async(bgq, ^{ 26*7c3d14c8STreehugger Robot barrier_wait(&barrier); 27*7c3d14c8STreehugger Robot dispatch_barrier_sync(q, ^{ 28*7c3d14c8STreehugger Robot global = 43; 29*7c3d14c8STreehugger Robot }); 30*7c3d14c8STreehugger Robot 31*7c3d14c8STreehugger Robot dispatch_async(bgq, ^{ 32*7c3d14c8STreehugger Robot barrier_wait(&barrier); 33*7c3d14c8STreehugger Robot global = 44; 34*7c3d14c8STreehugger Robot }); 35*7c3d14c8STreehugger Robot 36*7c3d14c8STreehugger Robot barrier_wait(&barrier); 37*7c3d14c8STreehugger Robot 38*7c3d14c8STreehugger Robot dispatch_sync(dispatch_get_main_queue(), ^{ 39*7c3d14c8STreehugger Robot CFRunLoopStop(CFRunLoopGetCurrent()); 40*7c3d14c8STreehugger Robot }); 41*7c3d14c8STreehugger Robot }); 42*7c3d14c8STreehugger Robot 43*7c3d14c8STreehugger Robot CFRunLoopRun(); 44*7c3d14c8STreehugger Robot fprintf(stderr, "Done.\n"); 45*7c3d14c8STreehugger Robot} 46*7c3d14c8STreehugger Robot 47*7c3d14c8STreehugger Robot// CHECK: Hello world. 48*7c3d14c8STreehugger Robot// CHECK: Done. 49*7c3d14c8STreehugger Robot// CHECK-NOT: WARNING: ThreadSanitizer 50