| // Copyright 2017 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef SQL_VFS_WRAPPER_H_ |
| #define SQL_VFS_WRAPPER_H_ |
| |
| #include"base/memory/raw_ptr_exclusion.h" |
| #include"build/build_config.h" |
| #include"third_party/sqlite/sqlite3.h" |
| |
| #if BUILDFLAG(IS_FUCHSIA) |
| #include<string> |
| #endif |
| |
| namespace sql{ |
| |
| staticconstexprchar kVfsWrapperName[]="VFSWrapper"; |
| |
| // Wraps the default VFS and to add on some functionality. The new wrapper |
| // becomes the default VFS. This should only be called from |
| // EnsureSqliteInitialized(). |
| // |
| // On OSX, the wrapper propagates Time Machine exclusions from the main database |
| // file to associated files such as journals. <http://crbug.com/23619> and |
| // <http://crbug.com/25959> and others. |
| // |
| // On Fuchsia the wrapper adds in-process file locking (Fuchsia doesn't support |
| // file locking). |
| // |
| // TODO(shess): On Windows, wrap xFetch() with a structured exception handler. |
| voidEnsureVfsWrapper(); |
| |
| // Internal representation of sqlite3_file for VFSWrapper. |
| structVfsFile{ |
| // This field is not a raw_ptr<> because it was filtered by the rewriter for: |
| // #reinterpret-cast-trivial-type |
| RAW_PTR_EXCLUSIONconst sqlite3_io_methods* methods; |
| // This field is not a raw_ptr<> because it was filtered by the rewriter for: |
| // #reinterpret-cast-trivial-type |
| RAW_PTR_EXCLUSION sqlite3_file* wrapped_file; |
| #if BUILDFLAG(IS_FUCHSIA) |
| std::string file_name; |
| #endif |
| }; |
| |
| }// namespace sql |
| |
| #endif// SQL_VFS_WRAPPER_H_ |
