| // 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 queue = |
| dispatch_queue_create("my.queue", DISPATCH_QUEUE_CONCURRENT); |
| |
| dispatch_source_t source = |
| dispatch_source_create(DISPATCH_SOURCE_TYPE_SIGNAL, SIGHUP, 0, queue); |
| |
| global = 42; |
| |
| dispatch_source_set_registration_handler(source, ^{ |
| fprintf(stderr, "global = %ld\n", global); |
| |
| dispatch_sync(dispatch_get_main_queue(), ^{ |
| CFRunLoopStop(CFRunLoopGetCurrent()); |
| }); |
| }); |
| |
| dispatch_resume(source); |
| |
| CFRunLoopRun(); |
| |
| return 0; |
| } |
| |
| // CHECK: global = 42 |
| // CHECK-NOT: WARNING: ThreadSanitizer |
