File: //usr/include/hphp/util/cache/magic-numbers.h
/*
+----------------------------------------------------------------------+
| HipHop for PHP |
+----------------------------------------------------------------------+
| Copyright (c) 2010-present Facebook, Inc. (http://www.facebook.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
*/
// Magic numbers associated with this cache.
#ifndef incl_HPHP_MAGIC_NUMBERS_H_
#define incl_HPHP_MAGIC_NUMBERS_H_
namespace HPHP {
const uint64_t kCacheFileMagic = 0x55aa0cb0cefa4b52;
const uint64_t kDirectoryTerminatorMagic = 0x5228bb574d524554;
// This one should only be on disk during the write process.
// See cache-saver.h for a discussion of the "surgical updates".
const uint64_t kDataOfsPlaceholder = 0x000044448888aaaa;
} // namespace HPHP
#endif // incl_HPHP_MAGIC_NUMBERS_H_