mirror of
https://github.com/ceph/ceph
synced 2025-01-05 02:32:59 +00:00
38 lines
908 B
C++
38 lines
908 B
C++
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
|
|
// vim: ts=8 sw=2 smarttab
|
|
/*
|
|
* Ceph - scalable distributed file system
|
|
*
|
|
* Copyright (C) 2016 Red Hat
|
|
*
|
|
* This is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License version 2.1, as published by the Free Software
|
|
* Foundation. See file COPYING.
|
|
*
|
|
*/
|
|
|
|
#ifndef SCOPE_GUARD
|
|
#define SCOPE_GUARD
|
|
|
|
template <typename F>
|
|
struct scope_guard {
|
|
F f;
|
|
scope_guard() = delete;
|
|
scope_guard(const scope_guard &) = delete;
|
|
scope_guard(scope_guard &&) = default;
|
|
scope_guard & operator=(const scope_guard &) = delete;
|
|
scope_guard & operator=(scope_guard &&) = default;
|
|
scope_guard(F &&f) : f(std::move(f)) {}
|
|
~scope_guard() {
|
|
f();
|
|
}
|
|
};
|
|
|
|
template <typename F>
|
|
scope_guard<F> make_scope_guard(F &&f) {
|
|
return scope_guard<F>(std::forward<F>(f));
|
|
}
|
|
|
|
#endif
|