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// RUN: %clangxx_tsan %s -o %t -framework Foundation
// RUN: %env_tsan_opts=ignore_interceptors_accesses=1 %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
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