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base / posix / sysctl.h [blame]
// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef BASE_POSIX_SYSCTL_H_
#define BASE_POSIX_SYSCTL_H_
#include <initializer_list>
#include <optional>
#include <string>
#include "base/base_export.h"
#include "build/build_config.h"
// NB: While a BSD utility file, this lives in /base/posix/ for simplicity as
// there is no /base/bsd/.
namespace base {
// Returns the value returned by `sysctl` as a std::string, or nullopt on error.
BASE_EXPORT std::optional<std::string> StringSysctl(
const std::initializer_list<int>& mib);
#if !BUILDFLAG(IS_OPENBSD)
// Returns the value returned by `sysctlbyname` as a std::string, or nullopt
// on error.
BASE_EXPORT std::optional<std::string> StringSysctlByName(const char* name);
#endif
} // namespace base
#endif // BASE_POSIX_SYSCTL_H_