/usr/include/odb/details/posix/tls.txx is in libodb-dev 2.4.0-1build1.
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 : Copyright (c) 2009-2015 Code Synthesis Tools CC
// license : GNU GPL v2; see accompanying LICENSE file
#include <odb/details/unique-ptr.hxx>
#include <odb/details/posix/exceptions.hxx>
namespace odb
{
namespace details
{
// tls<T>
//
template <typename T>
int tls<T>::error_ = 0;
template <typename T>
pthread_once_t tls<T>::once_ = PTHREAD_ONCE_INIT;
template <typename T>
pthread_key_t tls<T>::key_;
template <typename T>
T& tls<T>::
get () const
{
int e (pthread_once (&once_, key_init));
if (e != 0 || error_ != 0)
throw posix_exception (e ? e : error_);
if (void* v = pthread_getspecific (key_))
return *static_cast<T*> (v);
unique_ptr<T> p (new T);
if ((e = pthread_setspecific (key_, p.get ())))
throw posix_exception (e);
T& r (*p);
p.release ();
return r;
}
template <typename T>
void tls<T>::
free ()
{
int e (pthread_once (&once_, key_init));
if (e != 0 || error_ != 0)
throw posix_exception (e ? e : error_);
if (void* v = pthread_getspecific (key_))
{
if ((e = pthread_setspecific (key_, 0)))
throw posix_exception (e);
delete static_cast<T*> (v);
}
}
template <typename T>
void tls<T>::
key_init ()
{
error_ = pthread_key_create (&key_, destructor);
}
template <typename T>
void tls<T>::
destructor (void* v)
{
delete static_cast<T*> (v);
}
// tls<T*>
//
template <typename T>
int tls<T*>::error_ = 0;
template <typename T>
pthread_once_t tls<T*>::once_ = PTHREAD_ONCE_INIT;
template <typename T>
pthread_key_t tls<T*>::key_;
template <typename T>
T* tls<T*>::
get () const
{
int e (pthread_once (&once_, key_init));
if (e != 0 || error_ != 0)
throw posix_exception (e ? e : error_);
return static_cast<T*> (pthread_getspecific (key_));
}
template <typename T>
void tls<T*>::
set (T* p)
{
int e (pthread_once (&once_, key_init));
if (e != 0 || error_ != 0)
throw posix_exception (e ? e : error_);
if ((e = pthread_setspecific (key_, p)))
throw posix_exception (e);
}
template <typename T>
void tls<T*>::
key_init ()
{
error_ = pthread_key_create (&key_, 0);
}
}
}
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