[80] | 1 | // |
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| 2 | // ThreadLocal.cpp |
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| 3 | // |
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| 4 | // $Id: //poco/1.3/Foundation/src/ThreadLocal.cpp#1 $ |
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| 5 | // |
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| 6 | // Library: Foundation |
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| 7 | // Package: Threading |
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| 8 | // Module: Thread |
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| 9 | // |
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| 10 | // Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH. |
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| 11 | // and Contributors. |
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| 12 | // |
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| 13 | // Permission is hereby granted, free of charge, to any person or organization |
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| 14 | // obtaining a copy of the software and accompanying documentation covered by |
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| 15 | // this license (the "Software") to use, reproduce, display, distribute, |
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| 16 | // execute, and transmit the Software, and to prepare derivative works of the |
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| 17 | // Software, and to permit third-parties to whom the Software is furnished to |
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| 18 | // do so, all subject to the following: |
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| 19 | // |
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| 20 | // The copyright notices in the Software and this entire statement, including |
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| 21 | // the above license grant, this restriction and the following disclaimer, |
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| 22 | // must be included in all copies of the Software, in whole or in part, and |
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| 23 | // all derivative works of the Software, unless such copies or derivative |
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| 24 | // works are solely in the form of machine-executable object code generated by |
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| 25 | // a source language processor. |
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| 26 | // |
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| 27 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 28 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 29 | // FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT |
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| 30 | // SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE |
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| 31 | // FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, |
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| 32 | // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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| 33 | // DEALINGS IN THE SOFTWARE. |
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| 34 | // |
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| 35 | |
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| 36 | |
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| 37 | #include "Poco/ThreadLocal.h" |
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| 38 | #include "Poco/SingletonHolder.h" |
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| 39 | #include "Poco/Thread.h" |
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| 40 | |
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| 41 | |
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| 42 | namespace Poco { |
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| 43 | |
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| 44 | |
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| 45 | TLSAbstractSlot::TLSAbstractSlot() |
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| 46 | { |
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| 47 | } |
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| 48 | |
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| 49 | |
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| 50 | TLSAbstractSlot::~TLSAbstractSlot() |
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| 51 | { |
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| 52 | } |
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| 53 | |
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| 54 | |
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| 55 | ThreadLocalStorage::ThreadLocalStorage() |
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| 56 | { |
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| 57 | } |
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| 58 | |
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| 59 | |
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| 60 | ThreadLocalStorage::~ThreadLocalStorage() |
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| 61 | { |
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| 62 | for (TLSMap::iterator it = _map.begin(); it != _map.end(); ++it) |
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| 63 | { |
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| 64 | delete it->second; |
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| 65 | } |
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| 66 | } |
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| 67 | |
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| 68 | |
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| 69 | TLSAbstractSlot*& ThreadLocalStorage::get(const void* key) |
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| 70 | { |
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| 71 | TLSMap::iterator it = _map.find(key); |
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| 72 | if (it == _map.end()) |
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| 73 | return _map.insert(TLSMap::value_type(key, 0)).first->second; |
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| 74 | else |
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| 75 | return it->second; |
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| 76 | } |
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| 77 | |
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| 78 | |
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| 79 | ThreadLocalStorage& ThreadLocalStorage::current() |
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| 80 | { |
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| 81 | Thread* pThread = Thread::current(); |
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| 82 | if (pThread) |
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| 83 | { |
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| 84 | return pThread->tls(); |
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| 85 | } |
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| 86 | else |
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| 87 | { |
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| 88 | static SingletonHolder<ThreadLocalStorage> sh; |
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| 89 | return *sh.get(); |
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| 90 | } |
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| 91 | } |
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| 92 | |
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| 93 | |
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| 94 | void ThreadLocalStorage::clear() |
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| 95 | { |
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| 96 | Thread* pThread = Thread::current(); |
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| 97 | if (pThread) |
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| 98 | pThread->clearTLS(); |
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| 99 | } |
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| 100 | |
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| 101 | |
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| 102 | } // namespace Poco |
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