The Tor Browser / file comparison
comparison: mfbt/ReentrancyGuard.h
mfbt/ReentrancyGuard.h
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
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| -1:000000000000 | 0:1a53bb66d159 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 /* Small helper class for asserting uses of a class are non-reentrant. */ | |
| 8 | |
| 9 #ifndef mozilla_ReentrancyGuard_h | |
| 10 #define mozilla_ReentrancyGuard_h | |
| 11 | |
| 12 #include "mozilla/Assertions.h" | |
| 13 #include "mozilla/Attributes.h" | |
| 14 #include "mozilla/GuardObjects.h" | |
| 15 | |
| 16 namespace mozilla { | |
| 17 | |
| 18 /* Useful for implementing containers that assert non-reentrancy */ | |
| 19 class ReentrancyGuard | |
| 20 { | |
| 21 MOZ_DECL_USE_GUARD_OBJECT_NOTIFIER | |
| 22 #ifdef DEBUG | |
| 23 bool& entered; | |
| 24 #endif | |
| 25 | |
| 26 public: | |
| 27 template<class T> | |
| 28 #ifdef DEBUG | |
| 29 ReentrancyGuard(T& obj | |
| 30 MOZ_GUARD_OBJECT_NOTIFIER_PARAM) | |
| 31 : entered(obj.entered) | |
| 32 #else | |
| 33 ReentrancyGuard(T& | |
| 34 MOZ_GUARD_OBJECT_NOTIFIER_PARAM) | |
| 35 #endif | |
| 36 { | |
| 37 MOZ_GUARD_OBJECT_NOTIFIER_INIT; | |
| 38 #ifdef DEBUG | |
| 39 MOZ_ASSERT(!entered); | |
| 40 entered = true; | |
| 41 #endif | |
| 42 } | |
| 43 ~ReentrancyGuard() | |
| 44 { | |
| 45 #ifdef DEBUG | |
| 46 entered = false; | |
| 47 #endif | |
| 48 } | |
| 49 | |
| 50 private: | |
| 51 ReentrancyGuard(const ReentrancyGuard&) MOZ_DELETE; | |
| 52 void operator=(const ReentrancyGuard&) MOZ_DELETE; | |
| 53 }; | |
| 54 | |
| 55 } // namespace mozilla | |
| 56 | |
| 57 #endif /* mozilla_ReentrancyGuard_h */ |
