/usr/include/log4cplus/thread/impl/tls.h is in liblog4cplus-dev 1.1.2-3.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Copyright (C) 2010-2013, Vaclav Haisman. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modifica-
// tion, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
// DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
// OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef LOG4CPLUS_THREAD_IMPL_TLS_H
#define LOG4CPLUS_THREAD_IMPL_TLS_H
#include <log4cplus/config.hxx>
#if defined (LOG4CPLUS_HAVE_PRAGMA_ONCE)
#pragma once
#endif
#include <new>
#include <cassert>
#if ! defined (INSIDE_LOG4CPLUS)
# error "This header must not be be used outside log4cplus' implementation files."
#endif
#ifdef LOG4CPLUS_USE_PTHREADS
# include <pthread.h>
#elif defined (LOG4CPLUS_USE_WIN32_THREADS)
# include <log4cplus/config/windowsh-inc.h>
#elif defined (LOG4CPLUS_SINGLE_THREADED)
# include <vector>
#endif
namespace log4cplus { namespace thread { namespace impl {
typedef void * tls_value_type;
typedef void (* tls_init_cleanup_func_type)(void *);
#ifdef LOG4CPLUS_USE_PTHREADS
typedef pthread_key_t * tls_key_type;
#elif defined (LOG4CPLUS_USE_WIN32_THREADS)
typedef DWORD tls_key_type;
#elif defined (LOG4CPLUS_SINGLE_THREADED)
typedef std::size_t tls_key_type;
#endif
inline tls_key_type tls_init (tls_init_cleanup_func_type);
inline tls_value_type tls_get_value (tls_key_type);
inline void tls_set_value (tls_key_type, tls_value_type);
inline void tls_cleanup (tls_key_type);
#if defined (LOG4CPLUS_USE_PTHREADS)
tls_key_type
tls_init (tls_init_cleanup_func_type cleanupfunc)
{
pthread_key_t * key = new pthread_key_t;
pthread_key_create (key, cleanupfunc);
return key;
}
tls_value_type
tls_get_value (tls_key_type key)
{
return pthread_getspecific (*key);
}
void
tls_set_value (tls_key_type key, tls_value_type value)
{
pthread_setspecific(*key, value);
}
void
tls_cleanup (tls_key_type key)
{
pthread_key_delete (*key);
delete key;
}
#elif defined (LOG4CPLUS_USE_WIN32_THREADS)
tls_key_type
tls_init (tls_init_cleanup_func_type)
{
return TlsAlloc ();
}
tls_value_type tls_get_value (tls_key_type k)
{
return TlsGetValue (k);
}
void
tls_set_value (tls_key_type k, tls_value_type value)
{
TlsSetValue (k, value);
}
void
tls_cleanup (tls_key_type k)
{
TlsFree (k);
}
#elif defined (LOG4CPLUS_SINGLE_THREADED)
extern std::vector<tls_value_type> * tls_single_threaded_values;
tls_key_type
tls_init (tls_init_cleanup_func_type)
{
if (! tls_single_threaded_values)
tls_single_threaded_values = new std::vector<tls_value_type>;
tls_key_type key = tls_single_threaded_values->size ();
tls_single_threaded_values->resize (key + 1);
return key;
}
tls_value_type
tls_get_value (tls_key_type k)
{
assert (k < tls_single_threaded_values->size ());
return (*tls_single_threaded_values)[k];
}
void
tls_set_value (tls_key_type k, tls_value_type val)
{
assert (k < tls_single_threaded_values->size ());
(*tls_single_threaded_values)[k] = val;
}
void
tls_cleanup (tls_key_type k)
{
assert (k < tls_single_threaded_values->size ());
(*tls_single_threaded_values)[k] = 0;
}
#endif
} } } // namespace log4cplus { namespace thread { namespace impl {
#endif // LOG4CPLUS_THREAD_IMPL_TLS_H
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