projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
| 2 | // vim: ts=8 sw=2 smarttab | |
| 3 | /* | |
| 4 | * Ceph - scalable distributed file system | |
| 5 | * | |
| 6 | * Copyright (C) 2016 Red Hat | |
| 7 | * | |
| 8 | * This is free software; you can redistribute it and/or | |
| 9 | * modify it under the terms of the GNU Lesser General Public | |
| 10 | * License version 2.1, as published by the Free Software | |
| 11 | * Foundation. See file COPYING. | |
| 12 | * | |
| 13 | */ | |
| 14 | ||
| 15 | #ifndef SCOPE_GUARD | |
| 16 | #define SCOPE_GUARD | |
| 17 | ||
| 224ce89b WB |
18 | #include <utility> |
| 19 | ||
| 7c673cae FG |
20 | template <typename F> |
| 21 | struct scope_guard { | |
| 22 | F f; | |
| 23 | scope_guard() = delete; | |
| 24 | scope_guard(const scope_guard &) = delete; | |
| 25 | scope_guard(scope_guard &&) = default; | |
| 26 | scope_guard & operator=(const scope_guard &) = delete; | |
| 27 | scope_guard & operator=(scope_guard &&) = default; | |
| 28 | scope_guard(F &&f) : f(std::move(f)) {} | |
| 29 | ~scope_guard() { | |
| 30 | f(); | |
| 31 | } | |
| 32 | }; | |
| 33 | ||
| 34 | template <typename F> | |
| 35 | scope_guard<F> make_scope_guard(F &&f) { | |
| 36 | return scope_guard<F>(std::forward<F>(f)); | |
| 37 | } | |
| 38 | ||
| 39 | #endif |