| // 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[]) { |
| dispatch_queue_t target_queue = dispatch_queue_create(NULL, DISPATCH_QUEUE_SERIAL); |
| dispatch_queue_t q1 = dispatch_queue_create(NULL, DISPATCH_QUEUE_CONCURRENT); |
| dispatch_queue_t q2 = dispatch_queue_create(NULL, DISPATCH_QUEUE_CONCURRENT); |
| dispatch_set_target_queue(q1, target_queue); |
| dispatch_set_target_queue(q2, target_queue); |
| |
| for (int i = 0; i < 100000; i++) { |
| dispatch_async(q1, ^{ |
| global++; |
| |
| if (global == 200000) { |
| dispatch_sync(dispatch_get_main_queue(), ^{ |
| CFRunLoopStop(CFRunLoopGetCurrent()); |
| }); |
| } |
| }); |
| dispatch_async(q2, ^{ |
| global++; |
| |
| if (global == 200000) { |
| dispatch_sync(dispatch_get_main_queue(), ^{ |
| CFRunLoopStop(CFRunLoopGetCurrent()); |
| }); |
| } |
| }); |
| } |
| |
| CFRunLoopRun(); |
| NSLog(@"Done."); |
| return 0; |
| } |
| |
| // CHECK-NOT: WARNING: ThreadSanitizer |