Add support for almost-recursive watches in Linux DirectoryWatcher

base/file_util.h

 // Copyright (c) 2006-2008 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.
 
 // This file contains utility functions for dealing with the local
 // filesystem.
 
 #ifndef BASE_FILE_UTIL_H_
 #define BASE_FILE_UTIL_H_
 
 #include "build/build_config.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #elif defined(OS_POSIX)
 #include <fts.h>
 #include <sys/stat.h>
+#include <sys/types.h>
 #endif
 
 #include <stdio.h>
 
 #include <stack>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/scoped_ptr.h"
@@ skipping 307 matching lines @@
   bool is_directory;
 
   // Add additional fields here as needed.
 };
 
 // Returns information about the given file path.
 bool GetFileInfo(const FilePath& file_path, FileInfo* info);
 // Deprecated temporary compatibility function.
 bool GetFileInfo(const std::wstring& file_path, FileInfo* info);
 
+#if defined(OS_POSIX)
+// Store inode number of |path| in |inode|. Return true on success.
+bool GetInode(const FilePath& path, ino_t* inode);
+#endif
+
 // Wrapper for fopen-like calls. Returns non-NULL FILE* on success.
 FILE* OpenFile(const FilePath& filename, const char* mode);
 // Deprecated temporary compatibility functions.
 FILE* OpenFile(const std::string& filename, const char* mode);
 FILE* OpenFile(const std::wstring& filename, const char* mode);
 
 // Closes file opened by OpenFile. Returns true on success.
 bool CloseFile(FILE* file);
 
 // Truncates an open file to end at the location of the current file pointer.
@@ skipping 158 matching lines @@
 
 // Renames a file using the SHFileOperation API to ensure that the target file
 // gets the correct default security descriptor in the new path.
 bool RenameFileAndResetSecurityDescriptor(
     const FilePath& source_file_path,
     const FilePath& target_file_path);
 
 }  // namespace file_util
 
 #endif  // BASE_FILE_UTIL_H_