[89] | 1 | /*
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| 2 | * Licensed to the Apache Software Foundation (ASF) under one or more
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| 3 | * contributor license agreements. See the NOTICE file distributed with
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| 4 | * this work for additional information regarding copyright ownership.
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| 5 | * The ASF licenses this file to You under the Apache License, Version 2.0
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| 6 | * (the "License"); you may not use this file except in compliance with
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| 7 | * the License. You may obtain a copy of the License at
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| 8 | *
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| 9 | * http://www.apache.org/licenses/LICENSE-2.0
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| 10 | *
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| 11 | * Unless required by applicable law or agreed to in writing, software
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| 12 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 14 | * See the License for the specific language governing permissions and
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| 15 | * limitations under the License.
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| 16 | */
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| 17 |
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| 18 | #ifndef _LOG4CXX_HELPERS_THREAD_LOCAL_H
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| 19 | #define _LOG4CXX_HELPERS_THREAD_LOCAL_H
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| 20 |
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| 21 | #include <log4cxx/log4cxx.h>
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| 22 | #include <log4cxx/helpers/pool.h>
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| 23 |
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| 24 | #if !defined(LOG4CXX_THREAD_FUNC)
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| 25 | #if defined(_WIN32)
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| 26 | #define LOG4CXX_THREAD_FUNC __stdcall
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| 27 | #else
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| 28 | #define LOG4CXX_THREAD_FUNC
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| 29 | #endif
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| 30 | #endif
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| 31 |
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| 32 |
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| 33 | extern "C" {
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| 34 | struct apr_threadkey_t;
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| 35 | }
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| 36 |
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| 37 | namespace log4cxx
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| 38 | {
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| 39 | namespace helpers
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| 40 | {
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| 41 |
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| 42 | /**
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| 43 | * This class provides thread-local variables. This class is similar in function
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| 44 | * to java.lang.ThreadLocal.
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| 45 | */
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| 46 | class LOG4CXX_EXPORT ThreadLocal {
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| 47 | public:
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| 48 | /**
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| 49 | * Create new instance.
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| 50 | */
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| 51 | ThreadLocal();
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| 52 | /**
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| 53 | * Destructor.
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| 54 | */
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| 55 | ~ThreadLocal();
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| 56 | /**
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| 57 | * Sets the value in the current thread's copy of this thread-local variable.
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| 58 | * @param priv new value.
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| 59 | */
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| 60 | void set(void* priv);
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| 61 | /**
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| 62 | * Returns the value in the current thread's copy of this thread-local variable.
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| 63 | * @return value of thread-local variable for the current thread.
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| 64 | */
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| 65 | void* get();
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| 66 |
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| 67 | private:
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| 68 | /**
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| 69 | * Prevent use of default copy constructor.
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| 70 | */
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| 71 | ThreadLocal(const ThreadLocal&);
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| 72 | /**
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| 73 | * Prevent use of default assignment operator.
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| 74 | */
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| 75 | ThreadLocal& operator=(const ThreadLocal&);
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| 76 |
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| 77 | static apr_threadkey_t* create(Pool& p);
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| 78 |
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| 79 | Pool p;
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| 80 | apr_threadkey_t* key;
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| 81 | };
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| 82 | } // namespace helpers
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| 83 | } // namespace log4cxx
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| 84 |
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| 85 | #endif //_LOG4CXX_HELPERS_THREAD_LOCAL_H
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