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65 lines
1.2 KiB
C++
65 lines
1.2 KiB
C++
// Copyright 2013 The Flutter 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 FLUTTER_FML_UNIQUE_FD_H_
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#define FLUTTER_FML_UNIQUE_FD_H_
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#include "flutter/fml/build_config.h"
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#include "flutter/fml/unique_object.h"
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#if OS_WIN
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#include <windows.h>
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#else // OS_WIN
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#include <unistd.h>
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#endif // OS_WIN
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namespace fml {
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namespace internal {
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#if OS_WIN
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namespace os_win {
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struct UniqueFDTraits {
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static HANDLE InvalidValue() { return INVALID_HANDLE_VALUE; }
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static bool IsValid(HANDLE value) { return value != InvalidValue(); }
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static void Free(HANDLE fd);
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};
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} // namespace os_win
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#else // OS_WIN
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namespace os_unix {
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struct UniqueFDTraits {
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static int InvalidValue() { return -1; }
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static bool IsValid(int value) { return value >= 0; }
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static void Free(int fd);
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};
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} // namespace os_unix
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#endif // OS_WIN
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} // namespace internal
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#if OS_WIN
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using UniqueFD = UniqueObject<HANDLE, internal::os_win::UniqueFDTraits>;
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#else // OS_WIN
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using UniqueFD = UniqueObject<int, internal::os_unix::UniqueFDTraits>;
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#endif // OS_WIN
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} // namespace fml
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#endif // FLUTTER_FML_UNIQUE_FD_H_
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