compiler-rt/test/tsan/Darwin/xpc-cancel.mm

   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
   9 long global;
  10
  11 int 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.