blob: d451cf5e8efa063be516e8576b604a004e89aefa [file] [log] [blame]
// RUN: %clang_tsan %s -o %t -framework Foundation
// RUN: %run %t 2>&1 | FileCheck %s
#import <Foundation/Foundation.h>
long global;
int main(int argc, const char *argv[]) {
fprintf(stderr, "Hello world.\n");
dispatch_queue_t q = dispatch_queue_create("my.queue", DISPATCH_QUEUE_SERIAL);
dispatch_semaphore_t sem = dispatch_semaphore_create(0);
global = 44;
dispatch_data_t data = dispatch_data_create("buffer", 6, q, ^{
fprintf(stderr, "Data destructor.\n");
global++;
dispatch_semaphore_signal(sem);
});
dispatch_release(data);
data = nil;
dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER);
data = dispatch_data_create("buffer", 6, q, DISPATCH_DATA_DESTRUCTOR_DEFAULT);
dispatch_release(data);
data = nil;
fprintf(stderr, "Done.\n");
}
// CHECK: Hello world.
// CHECK: Data destructor.
// CHECK-NOT: WARNING: ThreadSanitizer
// CHECK: Done.