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// RUN: %clang_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 "../test.h"
long global;
int main() {
NSLog(@"Hello world.");
NSLog(@"addr=%p\n", &global);
dispatch_queue_t q1 = dispatch_queue_create("my.queue1", DISPATCH_QUEUE_CONCURRENT);
dispatch_queue_t q2 = dispatch_queue_create("my.queue2", DISPATCH_QUEUE_SERIAL);
global = 42;
for (int i = 0; i < 10; i++) {
dispatch_async(q1, ^{
for (int i = 0; i < 100; i++) {
dispatch_sync(q2, ^{
global++;
});
}
});
}
dispatch_barrier_async(q1, ^{
dispatch_sync(dispatch_get_main_queue(), ^{
CFRunLoopStop(CFRunLoopGetCurrent());
});
});
CFRunLoopRun();
NSLog(@"Done.");
}
// CHECK: Hello world.
// CHECK: Done.
// CHECK-NOT: WARNING: ThreadSanitizer
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