The Tor Browser / file comparison
comparison: nsprpub/pr/src/cplus/rclock.h
nsprpub/pr/src/cplus/rclock.h
- branch
- TOR_BUG_9701
- changeset 9
- a63d609f5ebe
equal
deleted
inserted
replaced
| -1:000000000000 | 0:bda90fb31e61 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 /* | |
| 7 ** C++ access to NSPR locks (PRLock) | |
| 8 */ | |
| 9 | |
| 10 #if defined(_RCLOCK_H) | |
| 11 #else | |
| 12 #define _RCLOCK_H | |
| 13 | |
| 14 #include "rcbase.h" | |
| 15 | |
| 16 #include <prlock.h> | |
| 17 | |
| 18 class PR_IMPLEMENT(RCLock): public RCBase | |
| 19 { | |
| 20 public: | |
| 21 RCLock(); | |
| 22 virtual ~RCLock(); | |
| 23 | |
| 24 void Acquire(); /* non-reentrant */ | |
| 25 void Release(); /* should be by owning thread */ | |
| 26 | |
| 27 friend class RCCondition; | |
| 28 | |
| 29 private: | |
| 30 RCLock(const RCLock&); /* can't do that */ | |
| 31 void operator=(const RCLock&); /* nor that */ | |
| 32 | |
| 33 PRLock *lock; | |
| 34 }; /* RCLock */ | |
| 35 | |
| 36 /* | |
| 37 ** Class: RCEnter | |
| 38 ** | |
| 39 ** In scope locks. You can only allocate them on the stack. The language | |
| 40 ** will insure that they get released (by calling the destructor) when | |
| 41 ** the thread leaves scope, even if via an exception. | |
| 42 */ | |
| 43 class PR_IMPLEMENT(RCEnter) | |
| 44 { | |
| 45 public: | |
| 46 ~RCEnter(); /* releases the lock */ | |
| 47 RCEnter(RCLock*); /* acquires the lock */ | |
| 48 | |
| 49 private: | |
| 50 RCLock *lock; | |
| 51 | |
| 52 RCEnter(); | |
| 53 RCEnter(const RCEnter&); | |
| 54 void operator=(const RCEnter&); | |
| 55 | |
| 56 void *operator new(PRSize) { return NULL; } | |
| 57 void operator delete(void*) { } | |
| 58 }; /* RCEnter */ | |
| 59 | |
| 60 | |
| 61 inline RCEnter::RCEnter(RCLock* ml) { lock = ml; lock->Acquire(); } | |
| 62 inline RCEnter::~RCEnter() { lock->Release(); lock = NULL; } | |
| 63 | |
| 64 #endif /* defined(_RCLOCK_H) */ | |
| 65 | |
| 66 /* RCLock.h */ |
