You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
32 lines
789 B
32 lines
789 B
// RUN: %clangxx_tsan %s -o %t -framework Foundation -fobjc-arc
|
|
// RUN: not %run %t 2>&1 | FileCheck %s
|
|
// RUN: %env_tsan_opts=detect_deadlocks=1 not %run %t 2>&1 | FileCheck %s
|
|
// RUN: %env_tsan_opts=detect_deadlocks=0 %run %t 2>&1 | FileCheck %s --check-prefix=DISABLED
|
|
|
|
#import <Foundation/Foundation.h>
|
|
|
|
int main() {
|
|
@autoreleasepool {
|
|
NSObject* obj1 = [NSObject new];
|
|
NSObject* obj2 = [NSObject new];
|
|
|
|
// obj1 -> obj2
|
|
@synchronized(obj1) {
|
|
@synchronized(obj2) {
|
|
}
|
|
}
|
|
|
|
// obj1 -> obj1
|
|
@synchronized(obj2) {
|
|
@synchronized(obj1) {
|
|
// CHECK: ThreadSanitizer: lock-order-inversion (potential deadlock)
|
|
}
|
|
}
|
|
}
|
|
|
|
NSLog(@"PASS");
|
|
// DISABLED-NOT: ThreadSanitizer
|
|
// DISABLED: PASS
|
|
return 0;
|
|
}
|