Intercept file Open/Close

base/files/file.cc

 // Copyright (c) 2011 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.
 
 #include "base/files/file.h"
 #include "base/files/file_path.h"
 
+#if defined(OS_POSIX)
+#include "base/files/file_posix_hooks_internal.h"
+#endif
+
 namespace base {
 
 File::Info::Info()
     : size(0),
       is_directory(false),
       is_symbolic_link(false) {
 }
 
 File::Info::~Info() {
 }
@@ skipping 13 matching lines @@
 }
 #endif
 
 File::File(PlatformFile platform_file)
     : file_(platform_file),
       error_details_(FILE_OK),
       created_(false),
       async_(false) {
 #if defined(OS_POSIX)
   DCHECK_GE(platform_file, -1);
+  if (IsValid())
+    ProtectFileDescriptor(platform_file);
 #endif
 }
 
 File::File(Error error_details)
     : error_details_(error_details),
       created_(false),
       async_(false) {
 }
 
 File::File(RValue other)
     : file_(other.object->TakePlatformFile()),
       error_details_(other.object->error_details()),
       created_(other.object->created()),
       async_(other.object->async_) {
+   if (IsValid())
+     ProtectFileDescriptor(GetPlatformFile());
 }
 
 File::~File() {
   // Go through the AssertIOAllowed logic.
   Close();
 }
 
 File& File::operator=(RValue other) {
   if (this != other.object) {
     Close();
@@ skipping 53 matching lines @@
       return "FILE_ERROR_IO";
     case FILE_ERROR_MAX:
       break;
   }
 
   NOTREACHED();
   return "";
 }
 
 }  // namespace base