Android: creates fifo for test runners in internal directory.

testing/android/native_test_launcher.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This class sets up the environment for running the native tests inside an
 // android application. It outputs (to a fifo) markers identifying the
 // START/PASSED/CRASH of the test suite, FAILURE/SUCCESS of individual tests,
 // etc.
 // These markers are read by the test runner script to generate test results.
 // It installs signal handlers to detect crashes.
@@ skipping 100 matching lines @@
   argv->resize(argc + 1);
   for (int i = 0; i < argc; ++i)
     (*argv)[i] = const_cast<char*>(args[i].c_str());
   (*argv)[argc] = NULL;  // argv must be NULL terminated.
 
   return argc;
 }
 
 void CreateFIFO(const char* fifo_path) {
   unlink(fifo_path);
-  if (mkfifo(fifo_path, 0666)) {
+  // Default permissions for mkfifo is ignored, chmod is required.
+  if (mkfifo(fifo_path, 0666) || chmod(fifo_path, 0666)) {
     AndroidLogError("Failed to create fifo %s: %s\n",
                     fifo_path, strerror(errno));
     exit(EXIT_FAILURE);
   }
 }
 
 void Redirect(FILE* stream, const char* path, const char* mode) {
   if (!freopen(path, mode, stream)) {
     AndroidLogError("Failed to redirect stream to file: %s: %s\n",
                     path, strerror(errno));
@@ skipping 95 matching lines @@
   InstallHandlers();
 
   base::android::InitVM(vm);
   JNIEnv* env = base::android::AttachCurrentThread();
   if (!RegisterNativesImpl(env)) {
     return -1;
   }
 
   return JNI_VERSION_1_4;
 }