DON'T USE THIS -- Providing some missing POSIX File syscalls.

tests/syscalls/nacl.scons

 # -*- 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 multiprocessing
 import os
 
 Import('env')
 
@@ skipping 26 matching lines @@
 inputs = env.Command(env.File('file_ok_rdwr.txt'), env.File('file_ok.txt'),
            [Copy(env.File('file_ok_rdwr.txt'), env.File('file_ok.txt')),
             Chmod(env.File('file_ok_rdwr.txt'), 0644)])
 Default(inputs)
 
 # syscalls_test exercise open/read/write, so need filesystem access
 # via the debug flag to sel_ldr
 node = env.CommandSelLdrTestNacl(
     'syscalls_test.out',
     syscalls_nexe,
-    args=[env.File('file_ok_rdwr.txt')],
+    # Arg 1) Test file name
+    # arg 2) 'w' if running on windows, else ' '.
+    args=[env.File('file_ok_rdwr.txt'), 'w' if env.Bit('host_windows') else 'p'],
     sel_ldr_flags=['-a'])
 env.AddNodeToTestSuite(node, ['small_tests'], 'run_syscall_test')
 
 # getpid() works with nacl-glibc, but only via the IRT (there is no
 # direct syscall version).
 getpid_is_broken = env.Bit('nacl_glibc') and not env.Bit('tests_use_irt')
 
 getpid_test_nexe = env.ComponentProgram('getpid_test',
                                         ['getpid_test.cc'],
                                         EXTRA_LIBS=['syscall_test_framework',
@@ skipping 238 matching lines @@
                        'run_file_access_enabled_test',
                        is_broken=fs_disabling_test_is_broken)
 
 node = env.CommandSelLdrTestNacl(
     'file_access_disabled.out',
     file_access_disabling_nexe,
     ['--disabled', env.MakeTempDir(prefix='tmp_file_access_disabled_test')])
 env.AddNodeToTestSuite(node, ['small_tests', 'sel_ldr_tests'],
                        'run_file_access_disabled_test',
                        is_broken=fs_disabling_test_is_broken)