| // 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 <string> |
| |
| #include "base/base_export.h" |
| #include "build/build_config.h" |
| #include "third_party/abseil-cpp/absl/types/optional.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 absl::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 absl::optional<std::string> StringSysctlByName(const char* name); |
| #endif |
| |
| } // namespace base |
| |
| #endif // BASE_POSIX_SYSCTL_H_ |