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

src/trusted/service_runtime/include/bits/nacl_syscalls.h

Index: src/trusted/service_runtime/include/bits/nacl_syscalls.h
diff --git a/src/trusted/service_runtime/include/bits/nacl_syscalls.h b/src/trusted/service_runtime/include/bits/nacl_syscalls.h
index 615cc193f520175293c99e2fadcd75db3263e5dc..5aa712f61325696c884e6ae03e68931c1f18e7eb 100644
--- a/src/trusted/service_runtime/include/bits/nacl_syscalls.h
+++ b/src/trusted/service_runtime/include/bits/nacl_syscalls.h
@@ -31,7 +31,6 @@
 #define NACL_sys_fstat                  17
 #define NACL_sys_chmod                  18
 #define NACL_sys_isatty                 19
-/* no fchmod emulation on windows */
 
 #define NACL_sys_brk                    20
 #define NACL_sys_mmap                   21
@@ -43,6 +42,10 @@
 
 #define NACL_sys_list_mappings          25
 
+#define NACL_sys_fsync                  26
+#define NACL_sys_fdatasync              27
+#define NACL_sys_fchmod                 28
+
 #define NACL_sys_exit                   30
 #define NACL_sys_getpid                 31
 #define NACL_sys_sched_yield            32
@@ -59,6 +62,9 @@
 #define NACL_sys_chdir                  47
 #define NACL_sys_getcwd                 48
 #define NACL_sys_unlink                 49
+#define NACL_sys_fchdir                 50
+
+#define NACL_sys_ftruncate              52
 
 /* 50-58 previously used for multimedia syscalls */