Non-SFI mode: Add syscalls which are needed for nacl_helper_nonsfi's sandbox.

tests/nonsfi/nacl.scons

 # -*- python -*-
 # Copyright 2014 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('env')
 
 # Tests in this directory are for syscall wrappers required by newlib
 # based non-SFI nacl_helper. The rest of NaCl does not need them.
 if not env.Bit('nonsfi_nacl') or env.Bit('tests_use_irt'):
   Return()
 
 nexe = env.ComponentProgram('fcntl_test',
                             'fcntl_test.cc',
                             EXTRA_LIBS=['${NONIRT_LIBS}'])
 
 node = env.CommandSelLdrTestNacl('fcntl_test.out', nexe,
                                  args=[env.MakeEmptyFile(prefix='tmp_fcntl')])
 
 env.AddNodeToTestSuite(node, ['small_tests'], 'run_fcntl_test')
 
+nexe = env.ComponentProgram('file_descriptor_test',
+                            'file_descriptor_test.cc',
+                            EXTRA_LIBS=['${NONIRT_LIBS}'])
+
+node = env.CommandSelLdrTestNacl(
+  'file_descriptor_test.out', nexe,
+  args=[env.MakeTempDir(prefix='tmp_file_desciprtor')])
+
+env.AddNodeToTestSuite(node, ['small_tests'], 'run_file_descriptor_test')
+
 nexe = env.ComponentProgram('fork_test',
                             'fork_test.cc',
                             EXTRA_LIBS=['${NONIRT_LIBS}'])
 
 node = env.CommandSelLdrTestNacl('fork_test.out', nexe)
 
 env.AddNodeToTestSuite(node, ['small_tests'], 'run_fork_test')
 
 nexe = env.ComponentProgram('socket_test',
                             'socket_test.cc',
@@ skipping 30 matching lines @@
 
 nexe = env.ComponentProgram('signal_sigbus_test',
                             'signal_sigbus_test.cc',
                             EXTRA_LIBS=['${NONIRT_LIBS}'])
 
 node = env.CommandSelLdrTestNacl('signal_sigbus_test.out', nexe,
                                  args=[env.File('test_file')])
 
 env.AddNodeToTestSuite(node, ['small_tests'], 'run_signal_sigbus_test',
                        is_broken=env.UsingEmulator())