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

src/trusted/service_runtime/nacl_syscall_list.c

 /*
  * Copyright (c) 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.
  */
 
 #include "native_client/src/trusted/service_runtime/nacl_syscall_common.h"
 #include "native_client/src/trusted/service_runtime/nacl_syscall_handlers.h"
 #include "native_client/src/trusted/service_runtime/nacl_syscall_register.h"
 #include "native_client/src/trusted/service_runtime/nacl_text.h"
@@ skipping 34 matching lines @@
 NACL_DEFINE_SYSCALL_0(NaClSysGetpid)
 NACL_DEFINE_SYSCALL_1(NaClSysThreadExit)
 NACL_DEFINE_SYSCALL_1(NaClSysGetTimeOfDay)
 NACL_DEFINE_SYSCALL_0(NaClSysClock)
 NACL_DEFINE_SYSCALL_2(NaClSysNanosleep)
 NACL_DEFINE_SYSCALL_2(NaClSysClockGetRes)
 NACL_DEFINE_SYSCALL_2(NaClSysClockGetTime)
 NACL_DEFINE_SYSCALL_2(NaClSysMkdir)
 NACL_DEFINE_SYSCALL_1(NaClSysRmdir)
 NACL_DEFINE_SYSCALL_1(NaClSysChdir)
+NACL_DEFINE_SYSCALL_1(NaClSysFchdir)
+NACL_DEFINE_SYSCALL_2(NaClSysFchmod)
+NACL_DEFINE_SYSCALL_2(NaClSysFtruncate)
+NACL_DEFINE_SYSCALL_1(NaClSysFsync)
+NACL_DEFINE_SYSCALL_1(NaClSysFdatasync)
 NACL_DEFINE_SYSCALL_2(NaClSysGetcwd)
 NACL_DEFINE_SYSCALL_1(NaClSysUnlink)
 NACL_DEFINE_SYSCALL_2(NaClSysTruncate)
 NACL_DEFINE_SYSCALL_2(NaClSysLstat)
 NACL_DEFINE_SYSCALL_2(NaClSysLink)
 NACL_DEFINE_SYSCALL_2(NaClSysRename)
 NACL_DEFINE_SYSCALL_2(NaClSysSymlink)
 NACL_DEFINE_SYSCALL_2(NaClSysChmod)
 NACL_DEFINE_SYSCALL_2(NaClSysAccess)
 NACL_DEFINE_SYSCALL_3(NaClSysReadlink)
@@ skipping 62 matching lines @@
   NACL_REGISTER_SYSCALL(nap, NaClSysGetpid, NACL_sys_getpid);
   NACL_REGISTER_SYSCALL(nap, NaClSysThreadExit, NACL_sys_thread_exit);
   NACL_REGISTER_SYSCALL(nap, NaClSysGetTimeOfDay, NACL_sys_gettimeofday);
   NACL_REGISTER_SYSCALL(nap, NaClSysClock, NACL_sys_clock);
   NACL_REGISTER_SYSCALL(nap, NaClSysNanosleep, NACL_sys_nanosleep);
   NACL_REGISTER_SYSCALL(nap, NaClSysClockGetRes, NACL_sys_clock_getres);
   NACL_REGISTER_SYSCALL(nap, NaClSysClockGetTime, NACL_sys_clock_gettime);
   NACL_REGISTER_SYSCALL(nap, NaClSysMkdir, NACL_sys_mkdir);
   NACL_REGISTER_SYSCALL(nap, NaClSysRmdir, NACL_sys_rmdir);
   NACL_REGISTER_SYSCALL(nap, NaClSysChdir, NACL_sys_chdir);
+  NACL_REGISTER_SYSCALL(nap, NaClSysFchdir, NACL_sys_fchdir);
+  NACL_REGISTER_SYSCALL(nap, NaClSysFchmod, NACL_sys_fchmod);
+  NACL_REGISTER_SYSCALL(nap, NaClSysFtruncate, NACL_sys_ftruncate);
+  NACL_REGISTER_SYSCALL(nap, NaClSysFsync, NACL_sys_fsync);
+  NACL_REGISTER_SYSCALL(nap, NaClSysFdatasync, NACL_sys_fdatasync);
   NACL_REGISTER_SYSCALL(nap, NaClSysGetcwd, NACL_sys_getcwd);
   NACL_REGISTER_SYSCALL(nap, NaClSysUnlink, NACL_sys_unlink);
   NACL_REGISTER_SYSCALL(nap, NaClSysTruncate, NACL_sys_truncate);
   NACL_REGISTER_SYSCALL(nap, NaClSysLstat, NACL_sys_lstat);
   NACL_REGISTER_SYSCALL(nap, NaClSysLink, NACL_sys_link);
   NACL_REGISTER_SYSCALL(nap, NaClSysRename, NACL_sys_rename);
   NACL_REGISTER_SYSCALL(nap, NaClSysSymlink, NACL_sys_symlink);
   NACL_REGISTER_SYSCALL(nap, NaClSysChmod, NACL_sys_chmod);
   NACL_REGISTER_SYSCALL(nap, NaClSysAccess, NACL_sys_access);
   NACL_REGISTER_SYSCALL(nap, NaClSysReadlink, NACL_sys_readlink);
@@ skipping 38 matching lines @@
                         NACL_sys_exception_handler);
   NACL_REGISTER_SYSCALL(nap, NaClSysExceptionStack, NACL_sys_exception_stack);
   NACL_REGISTER_SYSCALL(nap, NaClSysExceptionClearFlag,
                         NACL_sys_exception_clear_flag);
   NACL_REGISTER_SYSCALL(nap, NaClSysTestInfoLeak, NACL_sys_test_infoleak);
   NACL_REGISTER_SYSCALL(nap, NaClSysTestCrash, NACL_sys_test_crash);
   NACL_REGISTER_SYSCALL(nap, NaClSysFutexWaitAbs, NACL_sys_futex_wait_abs);
   NACL_REGISTER_SYSCALL(nap, NaClSysFutexWake, NACL_sys_futex_wake);
   NACL_REGISTER_SYSCALL(nap, NaClSysGetRandomBytes, NACL_sys_get_random_bytes);
 }