1*7c3d14c8STreehugger Robot// RUN: %clang_tsan %s -o %t -framework Foundation 2*7c3d14c8STreehugger Robot// RUN: %env_tsan_opts=ignore_interceptors_accesses=1 %deflake %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(int argc, const char *argv[]) { 11*7c3d14c8STreehugger Robot barrier_init(&barrier, 2); 12*7c3d14c8STreehugger Robot fprintf(stderr, "start\n"); 13*7c3d14c8STreehugger Robot dispatch_queue_t q = dispatch_queue_create("my.queue", DISPATCH_QUEUE_CONCURRENT); 14*7c3d14c8STreehugger Robot dispatch_apply(2, q, ^(size_t i) { 15*7c3d14c8STreehugger Robot global = i; 16*7c3d14c8STreehugger Robot barrier_wait(&barrier); 17*7c3d14c8STreehugger Robot }); 18*7c3d14c8STreehugger Robot 19*7c3d14c8STreehugger Robot fprintf(stderr, "done\n"); 20*7c3d14c8STreehugger Robot return 0; 21*7c3d14c8STreehugger Robot} 22*7c3d14c8STreehugger Robot 23*7c3d14c8STreehugger Robot// CHECK: start 24*7c3d14c8STreehugger Robot// CHECK: WARNING: ThreadSanitizer: data race 25*7c3d14c8STreehugger Robot// CHECK: Location is global 'global' 26*7c3d14c8STreehugger Robot// CHECK: done 27