ipc/chromium/src/base/dir_reader_posix.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/ipc/chromium/src/base/dir_reader_posix.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,41 @@
     1.4 +// Copyright (c) 2010 The Chromium Authors. All rights reserved.
     1.5 +// Use of this source code is governed by a BSD-style license that can be
     1.6 +// found in the LICENSE file.
     1.7 +
     1.8 +#ifndef BASE_DIR_READER_POSIX_H_
     1.9 +#define BASE_DIR_READER_POSIX_H_
    1.10 +#pragma once
    1.11 +
    1.12 +#include "build/build_config.h"
    1.13 +
    1.14 +// This header provides a class, DirReaderPosix, which allows one to open and
    1.15 +// read from directories without allocating memory. For the interface, see
    1.16 +// the generic fallback in dir_reader_fallback.h.
    1.17 +
    1.18 +// Mac note: OS X has getdirentries, but it only works if we restrict Chrome to
    1.19 +// 32-bit inodes. There is a getdirentries64 syscall in 10.6, but it's not
    1.20 +// wrapped and the direct syscall interface is unstable. Using an unstable API
    1.21 +// seems worse than falling back to enumerating all file descriptors so we will
    1.22 +// probably never implement this on the Mac.
    1.23 +
    1.24 +#if defined(OS_LINUX)
    1.25 +#include "base/dir_reader_linux.h"
    1.26 +#elif defined(OS_BSD) && !defined(__GLIBC__)
    1.27 +#include "base/dir_reader_bsd.h"
    1.28 +#else
    1.29 +#include "base/dir_reader_fallback.h"
    1.30 +#endif
    1.31 +
    1.32 +namespace base {
    1.33 +
    1.34 +#if defined(OS_LINUX)
    1.35 +typedef DirReaderLinux DirReaderPosix;
    1.36 +#elif defined(OS_BSD) && !defined(__GLIBC__)
    1.37 +typedef DirReaderBSD DirReaderPosix;
    1.38 +#else
    1.39 +typedef DirReaderFallback DirReaderPosix;
    1.40 +#endif
    1.41 +
    1.42 +}  // namespace base
    1.43 +
    1.44 +#endif // BASE_DIR_READER_POSIX_H_

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