xpc.mm
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// RUN: %clang_tsan %s -o %t -framework Foundation
// RUN: %run %t 2>&1 | FileCheck %s
// UNSUPPORTED: ios
#import <Foundation/Foundation.h>
#import <xpc/xpc.h>
long global;
int main(int argc, const char *argv[]) {
@autoreleasepool {
NSLog(@"Hello world.");
dispatch_queue_t server_q = dispatch_queue_create("server.queue", DISPATCH_QUEUE_CONCURRENT);
dispatch_queue_t client_q = dispatch_queue_create("client.queue", DISPATCH_QUEUE_CONCURRENT);
xpc_connection_t server_conn = xpc_connection_create(NULL, server_q);
global = 42;
xpc_connection_set_event_handler(server_conn, ^(xpc_object_t client) {
NSLog(@"global = %ld", global);
NSLog(@"server event handler, client = %@", client);
if (client == XPC_ERROR_CONNECTION_INTERRUPTED || client == XPC_ERROR_CONNECTION_INVALID) {
return;
}
xpc_connection_set_event_handler(client, ^(xpc_object_t object) {
NSLog(@"received message: %@", object);
xpc_object_t reply = xpc_dictionary_create_reply(object);
if (!reply)
return;
xpc_dictionary_set_string(reply, "reply", "value");
xpc_connection_t remote = xpc_dictionary_get_remote_connection(object);
xpc_connection_send_message(remote, reply);
});
xpc_connection_resume(client);
});
xpc_connection_resume(server_conn);
xpc_endpoint_t endpoint = xpc_endpoint_create(server_conn);
xpc_connection_t client_conn = xpc_connection_create_from_endpoint(endpoint);
xpc_connection_set_event_handler(client_conn, ^(xpc_object_t event) {
NSLog(@"client event handler, event = %@", event);
});
xpc_object_t msg = xpc_dictionary_create(NULL, NULL, 0);
xpc_dictionary_set_string(msg, "hello", "world");
NSLog(@"sending message: %@", msg);
xpc_connection_send_message_with_reply(
client_conn, msg, client_q, ^(xpc_object_t object) {
NSLog(@"received reply: %@", object);
xpc_connection_cancel(client_conn);
xpc_connection_cancel(server_conn);
dispatch_sync(dispatch_get_main_queue(), ^{
CFRunLoopStop(CFRunLoopGetCurrent());
});
});
xpc_connection_resume(client_conn);
CFRunLoopRun();
NSLog(@"Done.");
}
return 0;
}
// CHECK: Done.
// CHECK-NOT: WARNING: ThreadSanitizer