1// RUN: %clangxx_tsan %s -o %t -framework Foundation -std=c++11
2// RUN: %run %t 2>&1 | FileCheck %s
3
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: &barrier, count: 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, format: "done\n");
37
38 return 0;
39}
40
41// CHECK: data = 42
42// CHECK: done
43// CHECK-NOT: WARNING: ThreadSanitizer
44

source code of compiler-rt/test/tsan/Darwin/osatomics-list.mm