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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEDIA_BASE_SCOPEDFD_HELPER_H_
#define MEDIA_BASE_SCOPEDFD_HELPER_H_
#include "base/files/scoped_file.h"
#include "media/base/media_export.h"
namespace media {
// Theoretically, we can test on defined(OS_POSIX) || defined(OS_FUCHSIA), but
// since the only current user is V4L2 we are limiting the scope to OS_LINUX so
// the binary size does not inflate on non-using systems. Feel free to adapt
// this and BUILD.gn as our needs evolve.
#if defined(OS_LINUX)
// Return a new vector containing duplicates of |fds|, or PCHECKs in case of an
// error.
MEDIA_EXPORT std::vector<base::ScopedFD> DuplicateFDs(
const std::vector<base::ScopedFD>& fds);
#endif // OS_LINUX
} // namespace media
#endif // MEDIA_BASE_SCOPEDFD_HELPER_H_
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