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 @autoreleasepool { 13 NSLog(@"Hello world."); 14 15 dispatch_queue_t server_q = dispatch_queue_create("server.queue", DISPATCH_QUEUE_CONCURRENT); 16 dispatch_queue_t client_q = dispatch_queue_create("client.queue", DISPATCH_QUEUE_CONCURRENT); 17 18 xpc_connection_t server_conn = xpc_connection_create(NULL, server_q); 19 20 global = 42; 21 22 xpc_connection_set_event_handler(server_conn, ^(xpc_object_t client) { 23 NSLog(@"global = %ld", global); 24 NSLog(@"server event handler, client = %@", client); 25 26 if (client == XPC_ERROR_CONNECTION_INTERRUPTED || client == XPC_ERROR_CONNECTION_INVALID) { 27 return; 28 } 29 xpc_connection_set_event_handler(client, ^(xpc_object_t object) { 30 NSLog(@"received message: %@", object); 31 32 xpc_object_t reply = xpc_dictionary_create_reply(object); 33 if (!reply) 34 return; 35 xpc_dictionary_set_string(reply, "reply", "value"); 36 37 xpc_connection_t remote = xpc_dictionary_get_remote_connection(object); 38 xpc_connection_send_message(remote, reply); 39 }); 40 41 xpc_connection_resume(client); 42 }); 43 xpc_connection_resume(server_conn); 44 xpc_endpoint_t endpoint = xpc_endpoint_create(server_conn); 45 46 xpc_connection_t client_conn = xpc_connection_create_from_endpoint(endpoint); 47 xpc_connection_set_event_handler(client_conn, ^(xpc_object_t event) { 48 NSLog(@"client event handler, event = %@", event); 49 }); 50 51 xpc_object_t msg = xpc_dictionary_create(NULL, NULL, 0); 52 xpc_dictionary_set_string(msg, "hello", "world"); 53 NSLog(@"sending message: %@", msg); 54 55 xpc_connection_send_message_with_reply( 56 client_conn, msg, client_q, ^(xpc_object_t object) { 57 NSLog(@"received reply: %@", object); 58 59 xpc_connection_cancel(client_conn); 60 xpc_connection_cancel(server_conn); 61 62 dispatch_sync(dispatch_get_main_queue(), ^{ 63 CFRunLoopStop(CFRunLoopGetCurrent()); 64 }); 65 }); 66 xpc_connection_resume(client_conn); 67 68 CFRunLoopRun(); 69 70 NSLog(@"Done."); 71 } 72 return 0; 73} 74 75// CHECK: Done. 76// CHECK-NOT: WARNING: ThreadSanitizer 77