forked from OSchip/llvm-project
56 lines
1.2 KiB
Plaintext
56 lines
1.2 KiB
Plaintext
// RUN: %clang_tsan %s -o %t -framework Foundation
|
|
// RUN: %deflake %run %t 2>&1 | FileCheck %s
|
|
|
|
#import <Foundation/Foundation.h>
|
|
|
|
#import "../test.h"
|
|
|
|
@interface MyClass : NSObject {
|
|
long instance_variable;
|
|
}
|
|
- (void)method:(long)value;
|
|
@end
|
|
|
|
@implementation MyClass
|
|
|
|
- (void)method:(long)value {
|
|
self->instance_variable = value;
|
|
}
|
|
|
|
@end
|
|
|
|
int main() {
|
|
NSLog(@"Hello world.");
|
|
barrier_init(&barrier, 2);
|
|
|
|
MyClass *my_object = [MyClass new];
|
|
[my_object method:42];
|
|
|
|
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
|
|
[my_object method:43];
|
|
barrier_wait(&barrier);
|
|
});
|
|
|
|
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
|
|
barrier_wait(&barrier);
|
|
[my_object method:44];
|
|
|
|
dispatch_sync(dispatch_get_main_queue(), ^{
|
|
CFRunLoopStop(CFRunLoopGetCurrent());
|
|
});
|
|
});
|
|
|
|
CFRunLoopRun();
|
|
NSLog(@"Done.");
|
|
return 0;
|
|
}
|
|
|
|
// CHECK: Hello world.
|
|
// CHECK: WARNING: ThreadSanitizer: data race
|
|
// CHECK: Write of size 8
|
|
// CHECK: #0 -[MyClass method:]
|
|
// CHECK: Previous write of size 8
|
|
// CHECK: #0 -[MyClass method:]
|
|
// CHECK: Location is heap block
|
|
// CHECK: Done.
|