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

src/shared/platform/win/nacl_host_dir.c

Index: src/shared/platform/win/nacl_host_dir.c
diff --git a/src/shared/platform/win/nacl_host_dir.c b/src/shared/platform/win/nacl_host_dir.c
index 6c04f4db4ab90f095978ec866246c7940b510acf..72e87158b5c2519f2139d43d59f516a102097dd0 100644
--- a/src/shared/platform/win/nacl_host_dir.c
+++ b/src/shared/platform/win/nacl_host_dir.c
@@ -270,3 +270,39 @@ int NaClHostDirClose(struct NaClHostDir *d) {
   }
   return 0;
 }
+
+int NaClHostDirFchdir(struct NaClHostDir *d) {
+  NaClLog(1, "NaClHostDirFchdir Not yet implemented.\n");
+  /* TODO(smklein) Implement this function */
+
+  return -NACL_ABI_EINVAL;
+}
+
+int NaClHostDirFchmod(struct NaClHostDir *d, int mode) {
+  NaClLog(1, "NaClHostDirFchmod Not yet implemented.\n");
+  /* TODO(smklein) Implement this function */
+
+  return -NACL_ABI_EINVAL;
+}
+
+int NaClHostDirFsync(struct NaClHostDir *d) {
+  DWORD err;
+
+  if (!FlushFileBuffers(d->handle)) {
+    err = GetLastError();
+    return -NaClXlateSystemError(err);
+  }
+
+  return 0;
+}
+
+int NaClHostDirFdatasync(struct NaClHostDir *d) {
+  DWORD err;
+
+  if (!FlushFileBuffers(d->handle)) {
+    err = GetLastError();
+    return -NaClXlateSystemError(err);
+  }
+
+  return 0;
+}