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comparison: dom/camera/AutoRwLock.h
dom/camera/AutoRwLock.h
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:64c723775dbb |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 3 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #ifndef RWLOCK_AUTO_ENTER_H | |
| 6 #define RWLOCK_AUTO_ENTER_H | |
| 7 | |
| 8 #include "prrwlock.h" | |
| 9 #include "mozilla/Assertions.h" | |
| 10 | |
| 11 class RwLockAutoEnterRead | |
| 12 { | |
| 13 public: | |
| 14 RwLockAutoEnterRead(PRRWLock* aRwLock) | |
| 15 : mRwLock(aRwLock) | |
| 16 { | |
| 17 MOZ_ASSERT(mRwLock); | |
| 18 PR_RWLock_Rlock(mRwLock); | |
| 19 } | |
| 20 | |
| 21 ~RwLockAutoEnterRead() | |
| 22 { | |
| 23 PR_RWLock_Unlock(mRwLock); | |
| 24 } | |
| 25 | |
| 26 protected: | |
| 27 PRRWLock* mRwLock; | |
| 28 }; | |
| 29 | |
| 30 class RwLockAutoEnterWrite | |
| 31 { | |
| 32 public: | |
| 33 RwLockAutoEnterWrite(PRRWLock* aRwLock) | |
| 34 : mRwLock(aRwLock) | |
| 35 { | |
| 36 MOZ_ASSERT(mRwLock); | |
| 37 PR_RWLock_Wlock(mRwLock); | |
| 38 } | |
| 39 | |
| 40 ~RwLockAutoEnterWrite() | |
| 41 { | |
| 42 PR_RWLock_Unlock(mRwLock); | |
| 43 } | |
| 44 | |
| 45 protected: | |
| 46 PRRWLock* mRwLock; | |
| 47 }; | |
| 48 | |
| 49 #endif // RWLOCK_AUTO_ENTER_H |
