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 Robotlong array[2]; 10*7c3d14c8STreehugger Robot 11*7c3d14c8STreehugger Robotvoid callback(void *context, size_t i) { 12*7c3d14c8STreehugger Robot long n = global; 13*7c3d14c8STreehugger Robot array[i] = n + i; 14*7c3d14c8STreehugger Robot barrier_wait(&barrier); 15*7c3d14c8STreehugger Robot} 16*7c3d14c8STreehugger Robot 17*7c3d14c8STreehugger Robotint main(int argc, const char *argv[]) { 18*7c3d14c8STreehugger Robot barrier_init(&barrier, 2); 19*7c3d14c8STreehugger Robot fprintf(stderr, "start\n"); 20*7c3d14c8STreehugger Robot dispatch_queue_t q = dispatch_queue_create("my.queue", DISPATCH_QUEUE_CONCURRENT); 21*7c3d14c8STreehugger Robot 22*7c3d14c8STreehugger Robot global = 42; 23*7c3d14c8STreehugger Robot 24*7c3d14c8STreehugger Robot dispatch_apply(100, q, ^(size_t i) { 25*7c3d14c8STreehugger Robot long n = global; 26*7c3d14c8STreehugger Robot array[i] = n + i; 27*7c3d14c8STreehugger Robot barrier_wait(&barrier); 28*7c3d14c8STreehugger Robot }); 29*7c3d14c8STreehugger Robot 30*7c3d14c8STreehugger Robot for (int i = 0; i < 100; i++) { 31*7c3d14c8STreehugger Robot fprintf(stderr, "array[%d] = %ld\n", i, array[i]); 32*7c3d14c8STreehugger Robot } 33*7c3d14c8STreehugger Robot 34*7c3d14c8STreehugger Robot global = 43; 35*7c3d14c8STreehugger Robot 36*7c3d14c8STreehugger Robot dispatch_apply_f(100, q, NULL, &callback); 37*7c3d14c8STreehugger Robot 38*7c3d14c8STreehugger Robot fprintf(stderr, "done\n"); 39*7c3d14c8STreehugger Robot return 0; 40*7c3d14c8STreehugger Robot} 41*7c3d14c8STreehugger Robot 42*7c3d14c8STreehugger Robot// CHECK: start 43*7c3d14c8STreehugger Robot// CHECK: done 44*7c3d14c8STreehugger Robot// CHECK-NOT: WARNING: ThreadSanitizer 45