[NaCl SDK] Create Filesystem nodes in /dev/fs/...

native_client_sdk/src/libraries/nacl_io/kernel_object.h

 // Copyright (c) 2012 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_KERNEL_OBJECT_H_
 #define LIBRARIES_NACL_IO_KERNEL_OBJECT_H_
 
 #include <pthread.h>
 
 #include <map>
@@ skipping 31 matching lines @@
   typedef std::vector<Descriptor_t> HandleMap_t;
   typedef std::map<std::string, ScopedFilesystem> FsMap_t;
 
   KernelObject();
   virtual ~KernelObject();
 
   // Attach the given Filesystem object at the specified path.
   Error AttachFsAtPath(const ScopedFilesystem& fs, const std::string& path);
 
   // Unmap the Filesystem object from the specified path and release it.
-  Error DetachFsAtPath(const std::string& path);
+  Error DetachFsAtPath(const std::string& path, ScopedFilesystem* out_fs);
 
   // Find the filesystem for the given path, and acquires it and return a
   // path relative to the filesystem.
   // Assumes |out_fs| and |rel_path| are non-NULL.
   Error AcquireFsAndRelPath(const std::string& path,
                             ScopedFilesystem* out_fs,
                             Path* rel_path);
 
   // Find the filesystem and node for the given path, acquiring/creating it as
   // specified by the |oflags|.
@@ skipping 46 matching lines @@
 
   // Lock to protect cwd_.
   sdk_util::SimpleLock cwd_lock_;
 
   DISALLOW_COPY_AND_ASSIGN(KernelObject);
 };
 
 }  // namespace nacl_io
 
 #endif  // LIBRARIES_NACL_IO_KERNEL_OBJECT_H_