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1// RUN: %clangxx_tsan %s -o %t -framework Foundation -std=c++112// RUN: %run %t 2>&1 | FileCheck %s3 4#import <Foundation/Foundation.h>5#import <libkern/OSAtomic.h>6 7#include <thread>8 9#include "../test.h"10 11typedef struct {12 void *next;13 long data;14} ListItem;15 16OSQueueHead q;17 18int main(int argc, const char *argv[]) {19 barrier_init(&barrier, 2);20 21 std::thread t1([] {22 ListItem *li = new ListItem{nullptr, 42};23 OSAtomicEnqueue(&q, li, 0);24 barrier_wait(&barrier);25 });26 27 std::thread t2([] {28 barrier_wait(&barrier);29 ListItem *li = (ListItem *)OSAtomicDequeue(&q, 0);30 fprintf(stderr, "data = %ld\n", li->data);31 });32 33 t1.join();34 t2.join();35 36 fprintf(stderr, "done\n");37 38 return 0;39}40 41// CHECK: data = 4242// CHECK: done43// CHECK-NOT: WARNING: ThreadSanitizer44