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
18 #include <utility>
19
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(const F& f) : f(f) {}
29 scope_guard(F &&f) : f(std::move(f)) {}
30 template<typename... Args>
31 scope_guard(std::in_place_t, Args&& ...args) : f(std::forward<Args>(args)...) {}
|
(1) Event exn_spec_violation: |
An exception of type "_ZN5boost16exception_detail10clone_implINS0_19error_info_injectorINSt8ios_base7failureB5cxx11EEEEE" is thrown but the throw list "throw()" doesn't allow it to be thrown. This will cause a call to unexpected() which usually calls terminate(). |
| Also see events: |
[fun_call_w_exception] |
32 ~scope_guard() {
|
(2) Event fun_call_w_exception: |
Called function throws an exception of type "_ZN5boost16exception_detail10clone_implINS0_19error_info_injectorINSt8ios_base7failureB5cxx11EEEEE". [details] |
| Also see events: |
[exn_spec_violation] |
33 std::move(f)(); // Support at-most-once functions
34 }
35 };
36
37 template <typename F>
38 scope_guard<F> make_scope_guard(F &&f) {
39 return scope_guard<F>(std::forward<F>(f));
40 }
41
42 template<typename F, typename... Args>
43 scope_guard<F> make_scope_guard(std::in_place_type_t<F>, Args&& ...args) {
44 return { std::in_place, std::forward<Args>(args)... };
45 }
46
47 #endif
48