1// RUN: %clang_tsan %s -o %t -framework Foundation 2// RUN: %run %t 2>&1 | FileCheck %s 3 4// UNSUPPORTED: ios 5 6#import <Foundation/Foundation.h> 7#import <xpc/xpc.h> 8 9long global; 10 11int main(int argc, const char *argv[]) { 12 fprintf(stderr, "Hello world.\n"); 13 14 dispatch_queue_t server_q = dispatch_queue_create("server.queue", DISPATCH_QUEUE_CONCURRENT); 15 xpc_connection_t server_conn = xpc_connection_create(NULL, server_q); 16 17 xpc_connection_set_event_handler(server_conn, ^(xpc_object_t client) { 18 if (client == XPC_ERROR_CONNECTION_INTERRUPTED || client == XPC_ERROR_CONNECTION_INVALID) { 19 global = 43; 20 21 dispatch_async(dispatch_get_main_queue(), ^{ 22 CFRunLoopStop(CFRunLoopGetCurrent()); 23 }); 24 } 25 }); 26 xpc_connection_resume(server_conn); 27 28 global = 42; 29 30 xpc_connection_cancel(server_conn); 31 32 CFRunLoopRun(); 33 34 fprintf(stderr, "Done.\n"); 35} 36 37// CHECK: Hello world. 38// CHECK-NOT: WARNING: ThreadSanitizer 39// CHECK: Done. 40