[NaCl SDK] Fix SDK waterfall: unistd.h does not exist on windows.

BUG=none
TBR=noelallen@chromium.org

Review URL: https://codereview.chromium.org/17234004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@207878 0039d316-1c4b-4281-b951-d872f2087c98

native_client_sdk/src/build_tools/sdk_files.list

@@ -257,6 +257,7 @@ include/nacl_io/osinttypes.h
 include/nacl_io/osmman.h
 include/nacl_io/osstat.h
 include/nacl_io/ostypes.h
+include/nacl_io/osunistd.h
 include/nacl_io/path.h
 include/nacl_io/pepper/all_interfaces.h
 include/nacl_io/pepper/define_empty_macros.h

native_client_sdk/src/libraries/nacl_io/kernel_handle.cc

@@ -8,13 +8,9 @@
 #include <fcntl.h>
 #include <pthread.h>
 
-#ifndef WIN32
-// Needed for SEEK_SET/SEEK_CUR/SEEK_END.
-#include <unistd.h>
-#endif
-
 #include "nacl_io/mount.h"
 #include "nacl_io/mount_node.h"
+#include "nacl_io/osunistd.h"
 
 // It is only legal to construct a handle while the kernel lock is held.
 KernelHandle::KernelHandle(Mount* mnt, MountNode* node)

native_client_sdk/src/libraries/nacl_io/library.dsc

@@ -62,6 +62,7 @@
         "osmman.h",
         "osstat.h",
         "ostypes.h",
+        "osunistd.h",
         "path.h",
         "pepper_interface.h",
         "real_pepper_interface.h",

native_client_sdk/src/libraries/nacl_io/mount_dev.cc

@@ -9,11 +9,11 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <string.h>
-#include <unistd.h>
 #include "nacl_io/kernel_wrap_real.h"
 #include "nacl_io/mount_dev.h"
 #include "nacl_io/mount_node.h"
 #include "nacl_io/mount_node_dir.h"
+#include "nacl_io/osunistd.h"
 #include "nacl_io/pepper_interface.h"
 #include "sdk_util/auto_lock.h"
 

native_client_sdk/src/libraries/nacl_io/mount_http.cc

@@ -13,7 +13,6 @@
 #include <string.h>
 #include <sys/stat.h>
 #include <sys/types.h>
-#include <unistd.h>
 
 #include <vector>
 
@@ -22,6 +21,7 @@
 #include "nacl_io/mount_node_dir.h"
 #include "nacl_io/mount_node_http.h"
 #include "nacl_io/osinttypes.h"
+#include "nacl_io/osunistd.h"
 #include "sdk_util/auto_lock.h"
 
 namespace {

native_client_sdk/src/libraries/nacl_io/mount_mem.cc

@@ -6,7 +6,6 @@
 
 #include <errno.h>
 #include <fcntl.h>
-#include <unistd.h>
 
 #include <string>
 
@@ -15,6 +14,7 @@
 #include "nacl_io/mount_node_dir.h"
 #include "nacl_io/mount_node_mem.h"
 #include "nacl_io/osstat.h"
+#include "nacl_io/osunistd.h"
 #include "nacl_io/path.h"
 #include "sdk_util/auto_lock.h"
 #include "sdk_util/ref_object.h"

native_client_sdk/src/libraries/nacl_io/osunistd.h

+/* Copyright (c) 2013 The Chromium Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+#ifndef LIBRARIES_NACL_IO_OSUNISTD_H_
+#define LIBRARIES_NACL_IO_OSUNISTD_H_
+
+#if defined(WIN32)
+
+#define R_OK 4
+#define W_OK 2
+#define X_OK 1
+#define F_OK 0
+
+#else
+
+#include <unistd.h>
+
+#endif
+
+#endif  // LIBRARIES_NACL_IO_OSUNISTD_H_
+