Base: disable GetNumberOfThreads unittest on Android.

base/process_util_unittest.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.
 
 #define _CRT_SECURE_NO_WARNINGS
 
 #include <limits>
 
 #include "base/command_line.h"
 #include "base/debug/alias.h"
@@ skipping 928 matching lines @@
   // cat /proc/self/stat on a random other machine I have.
   const char kSelfStat[] = "5364 (cat) R 5354 5364 5354 34819 5364 "
       "0 142 0 0 0 "
       "0 0 0 0 "  // <- No CPU, apparently.
       "16 0 1 0 1676099790 2957312 114 4294967295 134512640 134528148 "
       "3221224832 3221224344 3086339742 0 0 0 0 0 0 0 17 0 0 0";
 
   EXPECT_EQ(0, base::ParseProcStatCPU(kSelfStat));
 }
 
+// Disable on Android because base_unittests runs inside a Dalvik VM that
+// starts and stop threads (crbug.com/175563).
+#if !defined(OS_ANDROID)
 TEST_F(ProcessUtilTest, GetNumberOfThreads) {
   const base::ProcessHandle current = base::GetCurrentProcessHandle();
   const int initial_threads = base::GetNumberOfThreads(current);
   ASSERT_GT(initial_threads, 0);
   const int kNumAdditionalThreads = 10;
   {
     scoped_ptr<base::Thread> my_threads[kNumAdditionalThreads];
     for (int i = 0; i < kNumAdditionalThreads; ++i) {
       my_threads[i].reset(new base::Thread("GetNumberOfThreadsTest"));
       my_threads[i]->Start();
       ASSERT_EQ(base::GetNumberOfThreads(current), initial_threads + 1 + i);
     }
   }
   // The Thread destructor will stop them.
   ASSERT_EQ(initial_threads, base::GetNumberOfThreads(current));
 }
+#endif  // !defined(OS_ANDROID)
 
 #endif  // defined(OS_LINUX) || defined(OS_ANDROID)
 
 // TODO(port): port those unit tests.
 bool IsProcessDead(base::ProcessHandle child) {
   // waitpid() will actually reap the process which is exactly NOT what we
   // want to test for.  The good thing is that if it can't find the process
   // we'll get a nice value for errno which we can test for.
   const pid_t result = HANDLE_EINTR(waitpid(child, NULL, WNOHANG));
   return result == -1 && errno == ECHILD;
@@ skipping 255 matching lines @@
       SetUpInDeathAssert();
       while ((value_ = base::AllocatePsychoticallyBigObjCObject())) {}
     }, "");
 }
 
 #endif  // !ARCH_CPU_64_BITS
 #endif  // OS_MACOSX
 
 #endif  // !defined(OS_ANDROID) && !defined(OS_OPENBSD) &&
         // !defined(OS_WIN) && !defined(ADDRESS_SANITIZER)