Thread suspension: Implement for Linux

SConstruct

 #! -*- python -*-
 # Copyright (c) 2012 The Native Client Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import atexit
 import glob
 import os
 import platform
 import shutil
@@ skipping 733 matching lines @@
     'run_many_threads_sequential_test',
     'run_mmap_atomicity_test',
     'run_mmap_test',
     # http://code.google.com/p/nativeclient/issues/detail?id=2142
     'run_nacl_semaphore_test',
     'run_nacl_tls_unittest',
     # The next 2 tests seem flaky on QEMU
     'run_srpc_manifest_file_test',
     'run_srpc_message_untrusted_test',
     'run_thread_stack_alloc_test',
+    'run_thread_suspension_test',
     'run_thread_test',
     'run_tool_tests',
     'run_trusted_mmap_test',
 ])
 
 tests_to_disable = set()
 if ARGUMENTS.get('disable_tests', '') != '':
   tests_to_disable.update(ARGUMENTS['disable_tests'].split(','))
 
 def ShouldSkipTest(env, node_name):
@@ skipping 3077 matching lines @@
   nacl_env.ValidateSdk()
 
 if BROKEN_TEST_COUNT > 0:
   msg = "There are %d broken tests." % BROKEN_TEST_COUNT
   if GetOption('brief_comstr'):
     msg += " Add --verbose to the command line for more information."
   print msg
 
 # separate warnings from actual build output
 Banner('B U I L D - O U T P U T:')