/*
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* PThreads.hh
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*
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* Copyright 2002, Emiliano Martin emilianomc@terra.es All rights reserved.
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*
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* See the COPYING file for the terms of usage and distribution.
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*/
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#ifndef _LOG4CPP_THREADING_PTHREADS_HH
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#define _LOG4CPP_THREADING_PTHREADS_HH
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#include <log4cpp/Portability.hh>
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#include <stdio.h>
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#include <pthread.h>
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#include <string>
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#include <assert.h>
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namespace log4cpp {
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namespace threading {
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/**
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* returns the thread ID
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**/
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std::string getThreadId();
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/**
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**/
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class Mutex {
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private:
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pthread_mutex_t mutex;
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public:
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inline Mutex() {
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::pthread_mutex_init(&mutex, NULL);
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}
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inline void lock() {
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::pthread_mutex_lock(&mutex);
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}
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inline void unlock() {
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::pthread_mutex_unlock(&mutex);
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}
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inline ~Mutex() {
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::pthread_mutex_destroy(&mutex);
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}
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private:
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Mutex(const Mutex& m);
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Mutex& operator=(const Mutex &m);
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};
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/**
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* definition of ScopedLock;
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**/
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class ScopedLock {
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private:
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Mutex& _mutex;
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public:
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inline ScopedLock(Mutex& mutex) :
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_mutex(mutex) {
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_mutex.lock();
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}
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inline ~ScopedLock() {
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_mutex.unlock();
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}
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};
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/**
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*
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**/
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template<typename T> class ThreadLocalDataHolder {
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private:
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pthread_key_t _key;
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public:
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typedef T data_type;
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inline ThreadLocalDataHolder() {
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::pthread_key_create(&_key, freeHolder);
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}
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inline static void freeHolder(void *p) {
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assert(p != NULL);
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delete reinterpret_cast<T *>(p);
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}
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inline ~ThreadLocalDataHolder() {
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T *data = get();
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if (data != NULL) {
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delete data;
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}
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::pthread_key_delete(_key);
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}
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inline T* get() const {
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return reinterpret_cast<T *>(::pthread_getspecific(_key));
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}
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inline T* operator->() const { return get(); }
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inline T& operator*() const { return *get(); }
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inline T* release() {
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T* result = get();
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::pthread_setspecific(_key, NULL);
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return result;
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}
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inline void reset(T* p = NULL) {
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T *data = get();
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if (data != NULL) {
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delete data;
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}
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::pthread_setspecific(_key, p);
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}
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};
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}
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}
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#endif
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