/usr/include/log4cpp/threading/PThreads.hh is in liblog4cpp5-dev 1.0-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* PThreads.hh
*
* Copyright 2002, Emiliano Martin emilianomc@terra.es All rights reserved.
*
* See the COPYING file for the terms of usage and distribution.
*/
#ifndef _LOG4CPP_THREADING_PTHREADS_HH
#define _LOG4CPP_THREADING_PTHREADS_HH
#include <log4cpp/Portability.hh>
#include <stdio.h>
#include <pthread.h>
#include <string>
#include <assert.h>
namespace log4cpp {
namespace threading {
/**
* returns the thread ID
**/
std::string getThreadId();
/**
**/
class Mutex {
private:
pthread_mutex_t mutex;
public:
inline Mutex() {
::pthread_mutex_init(&mutex, NULL);
}
inline void lock() {
::pthread_mutex_lock(&mutex);
}
inline void unlock() {
::pthread_mutex_unlock(&mutex);
}
inline ~Mutex() {
::pthread_mutex_destroy(&mutex);
}
private:
Mutex(const Mutex& m);
Mutex& operator=(const Mutex &m);
};
/**
* definition of ScopedLock;
**/
class ScopedLock {
private:
Mutex& _mutex;
public:
inline ScopedLock(Mutex& mutex) :
_mutex(mutex) {
_mutex.lock();
}
inline ~ScopedLock() {
_mutex.unlock();
}
};
/**
*
**/
template<typename T> class ThreadLocalDataHolder {
private:
pthread_key_t _key;
public:
typedef T data_type;
inline ThreadLocalDataHolder() {
::pthread_key_create(&_key, freeHolder);
}
inline static void freeHolder(void *p) {
assert(p != NULL);
delete reinterpret_cast<T *>(p);
}
inline ~ThreadLocalDataHolder() {
T *data = get();
if (data != NULL) {
delete data;
}
::pthread_key_delete(_key);
}
inline T* get() const {
return reinterpret_cast<T *>(::pthread_getspecific(_key));
}
inline T* operator->() const { return get(); }
inline T& operator*() const { return *get(); }
inline T* release() {
T* result = get();
::pthread_setspecific(_key, NULL);
return result;
}
inline void reset(T* p = NULL) {
T *data = get();
if (data != NULL) {
delete data;
}
::pthread_setspecific(_key, p);
}
};
}
}
#endif
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