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 | |
11 | typedef struct { |
12 | void *next; |
13 | long data; |
14 | } ListItem; |
15 | |
16 | OSQueueHead q; |
17 | |
18 | int 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 | |