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44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
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// Copyright 2017 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_FILES_PLATFORM_FILE_H_
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#define BASE_FILES_PLATFORM_FILE_H_
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#include "base/files/scoped_file.h"
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#include "build/build_config.h"
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#if defined(OS_WIN)
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#include "base/win/scoped_handle.h"
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#include "base/win/windows_types.h"
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#endif
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// This file defines platform-independent types for dealing with
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// platform-dependent files. If possible, use the higher-level base::File class
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// rather than these primitives.
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namespace base {
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#if defined(OS_WIN)
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using PlatformFile = HANDLE;
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using ScopedPlatformFile = ::base::win::ScopedHandle;
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// It would be nice to make this constexpr but INVALID_HANDLE_VALUE is a
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// ((void*)(-1)) which Clang rejects since reinterpret_cast is technically
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// disallowed in constexpr. Visual Studio accepts this, however.
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const PlatformFile kInvalidPlatformFile = INVALID_HANDLE_VALUE;
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#elif defined(OS_POSIX) || defined(OS_FUCHSIA)
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using PlatformFile = int;
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using ScopedPlatformFile = ::base::ScopedFD;
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constexpr PlatformFile kInvalidPlatformFile = -1;
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#endif
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} // namespace
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#endif // BASE_FILES_PLATFORM_FILE_H_
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