1// RUN: %clang_tsan %s -o %t -framework Foundation 2// RUN: %env_tsan_opts=ignore_interceptors_accesses=1 %run %t 2>&1 | FileCheck %s 3 4#import <Foundation/Foundation.h> 5#import <xpc/xpc.h> 6 7long global; 8 9int main(int argc, const char *argv[]) { 10 @autoreleasepool { 11 NSLog(@"Hello world."); 12 13 dispatch_queue_t server_q = dispatch_queue_create("server.queue", DISPATCH_QUEUE_CONCURRENT); 14 dispatch_queue_t client_q = dispatch_queue_create("client.queue", DISPATCH_QUEUE_CONCURRENT); 15 16 xpc_connection_t server_conn = xpc_connection_create(NULL, server_q); 17 18 global = 42; 19 20 xpc_connection_set_event_handler(server_conn, ^(xpc_object_t client) { 21 NSLog(@"global = %ld", global); 22 NSLog(@"server event handler, client = %@", client); 23 24 if (client == XPC_ERROR_CONNECTION_INTERRUPTED || client == XPC_ERROR_CONNECTION_INVALID) { 25 return; 26 } 27 xpc_connection_set_event_handler(client, ^(xpc_object_t object) { 28 NSLog(@"received message: %@", object); 29 30 xpc_object_t reply = xpc_dictionary_create_reply(object); 31 if (!reply) 32 return; 33 xpc_dictionary_set_string(reply, "reply", "value"); 34 35 xpc_connection_t remote = xpc_dictionary_get_remote_connection(object); 36 xpc_connection_send_message(remote, reply); 37 }); 38 39 xpc_connection_resume(client); 40 }); 41 xpc_connection_resume(server_conn); 42 xpc_endpoint_t endpoint = xpc_endpoint_create(server_conn); 43 44 xpc_connection_t client_conn = xpc_connection_create_from_endpoint(endpoint); 45 xpc_connection_set_event_handler(client_conn, ^(xpc_object_t event) { 46 NSLog(@"client event handler, event = %@", event); 47 }); 48 49 xpc_object_t msg = xpc_dictionary_create(NULL, NULL, 0); 50 xpc_dictionary_set_string(msg, "hello", "world"); 51 NSLog(@"sending message: %@", msg); 52 53 xpc_connection_send_message_with_reply( 54 client_conn, msg, client_q, ^(xpc_object_t object) { 55 NSLog(@"received reply: %@", object); 56 57 xpc_connection_cancel(client_conn); 58 xpc_connection_cancel(server_conn); 59 60 dispatch_sync(dispatch_get_main_queue(), ^{ 61 CFRunLoopStop(CFRunLoopGetCurrent()); 62 }); 63 }); 64 xpc_connection_resume(client_conn); 65 66 CFRunLoopRun(); 67 68 NSLog(@"Done."); 69 } 70 return 0; 71} 72 73// CHECK: Done. 74// CHECK-NOT: WARNING: ThreadSanitizer 75