forked from OSchip/llvm-project
51 lines
956 B
Plaintext
51 lines
956 B
Plaintext
// RUN: %clangxx_tsan %s -o %t -framework Foundation
|
|
// RUN: %run %t 2>&1 | FileCheck %s
|
|
|
|
#import <Foundation/Foundation.h>
|
|
|
|
#import <memory>
|
|
|
|
#import "../test.h"
|
|
|
|
long my_global;
|
|
|
|
struct MyStruct {
|
|
void setGlobal() {
|
|
my_global = 42;
|
|
}
|
|
~MyStruct() {
|
|
my_global = 43;
|
|
}
|
|
};
|
|
|
|
int main(int argc, const char *argv[]) {
|
|
fprintf(stderr, "Hello world.\n");
|
|
print_address("addr=", 1, &my_global);
|
|
barrier_init(&barrier, 2);
|
|
|
|
std::shared_ptr<MyStruct> shared(new MyStruct());
|
|
|
|
dispatch_queue_t q = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
|
|
|
|
std::weak_ptr<MyStruct> weak(shared);
|
|
|
|
dispatch_async(q, ^{
|
|
{
|
|
std::shared_ptr<MyStruct> strong = weak.lock();
|
|
if (!strong) exit(1);
|
|
|
|
strong->setGlobal();
|
|
}
|
|
barrier_wait(&barrier);
|
|
});
|
|
|
|
barrier_wait(&barrier);
|
|
shared.reset();
|
|
|
|
fprintf(stderr, "Done.\n");
|
|
}
|
|
|
|
// CHECK: Hello world.
|
|
// CHECK: Done.
|
|
// CHECK-NOT: WARNING: ThreadSanitizer
|