forked from OSchip/llvm-project
30 lines
621 B
Plaintext
30 lines
621 B
Plaintext
// RUN: %clang_tsan %s -o %t -framework Foundation
|
|
// RUN: %run %t 2>&1 | FileCheck %s
|
|
|
|
#import <Foundation/Foundation.h>
|
|
|
|
long global;
|
|
|
|
int main() {
|
|
NSLog(@"Hello world.");
|
|
|
|
global = 42;
|
|
|
|
dispatch_semaphore_t sem = dispatch_semaphore_create(0);
|
|
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
|
|
|
|
global = 43;
|
|
dispatch_semaphore_signal(sem);
|
|
});
|
|
|
|
dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER);
|
|
global = 44;
|
|
|
|
NSLog(@"Done.");
|
|
return 0;
|
|
}
|
|
|
|
// CHECK: Hello world.
|
|
// CHECK: Done.
|
|
// CHECK-NOT: WARNING: ThreadSanitizer
|