1 | // RUN: %clangxx_tsan %s -o %t -framework Foundation -fobjc-arc |
2 | // RUN: %run %t 2>&1 | FileCheck %s |
3 | |
4 | #import <Foundation/Foundation.h> |
5 | |
6 | int main() { |
7 | @autoreleasepool { |
8 | NSObject* obj1 = [NSObject new]; |
9 | NSObject* obj2 = [NSObject new]; |
10 | |
11 | @synchronized(obj1) { |
12 | @synchronized(obj1) { |
13 | NSLog(@"nested 1-1" ); |
14 | // CHECK: nested 1-1 |
15 | } |
16 | } |
17 | |
18 | @synchronized(obj1) { |
19 | @synchronized(obj2) { |
20 | @synchronized(obj1) { |
21 | @synchronized(obj2) { |
22 | NSLog(@"nested 1-2-1-2" ); |
23 | // CHECK: nested 1-2-1-2 |
24 | } |
25 | } |
26 | } |
27 | } |
28 | |
29 | } |
30 | |
31 | NSLog(@"PASS" ); |
32 | // CHECK-NOT: ThreadSanitizer |
33 | // CHECK: PASS |
34 | return 0; |
35 | } |
36 | |