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#ifndef BOOST_THREAD_PTHREAD_THREAD_DATA_HPP
#define BOOST_THREAD_PTHREAD_THREAD_DATA_HPP
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// (C) Copyright 2007 Anthony Williams
#include <boost/thread/detail/config.hpp>
#include <boost/thread/exceptions.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/enable_shared_from_this.hpp>
#include <boost/thread/mutex.hpp>
#include <boost/optional.hpp>
#include <pthread.h>
#include <boost/assert.hpp>
#include <boost/thread/pthread/condition_variable_fwd.hpp>
#include <map>
#include <boost/config/abi_prefix.hpp>
namespace boost
{
class thread;
namespace detail
{
struct tss_cleanup_function;
struct thread_exit_callback_node;
struct tss_data_node
{
boost::shared_ptr<boost::detail::tss_cleanup_function> func;
void* value;
tss_data_node(boost::shared_ptr<boost::detail::tss_cleanup_function> func_,
void* value_):
func(func_),value(value_)
{}
};
struct thread_data_base;
typedef boost::shared_ptr<thread_data_base> thread_data_ptr;
struct BOOST_THREAD_DECL thread_data_base:
enable_shared_from_this<thread_data_base>
{
thread_data_ptr self;
pthread_t thread_handle;
boost::mutex data_mutex;
boost::condition_variable done_condition;
boost::mutex sleep_mutex;
boost::condition_variable sleep_condition;
bool done;
bool join_started;
bool joined;
boost::detail::thread_exit_callback_node* thread_exit_callbacks;
std::map<void const*,boost::detail::tss_data_node> tss_data;
bool interrupt_enabled;
bool interrupt_requested;
pthread_mutex_t* cond_mutex;
pthread_cond_t* current_cond;
thread_data_base():
done(false),join_started(false),joined(false),
thread_exit_callbacks(0),
interrupt_enabled(true),
interrupt_requested(false),
current_cond(0)
{}
virtual ~thread_data_base();
typedef pthread_t native_handle_type;
virtual void run()=0;
};
BOOST_THREAD_DECL thread_data_base* get_current_thread_data();
class interruption_checker
{
thread_data_base* const thread_info;
pthread_mutex_t* m;
bool set;
void check_for_interruption()
{
if(thread_info->interrupt_requested)
{
thread_info->interrupt_requested=false;
throw thread_interrupted();
}
}
void operator=(interruption_checker&);
public:
explicit interruption_checker(pthread_mutex_t* cond_mutex,pthread_cond_t* cond):
thread_info(detail::get_current_thread_data()),m(cond_mutex),
set(thread_info && thread_info->interrupt_enabled)
{
if(set)
{
lock_guard<mutex> guard(thread_info->data_mutex);
check_for_interruption();
thread_info->cond_mutex=cond_mutex;
thread_info->current_cond=cond;
BOOST_VERIFY(!pthread_mutex_lock(m));
}
else
{
BOOST_VERIFY(!pthread_mutex_lock(m));
}
}
~interruption_checker()
{
if(set)
{
BOOST_VERIFY(!pthread_mutex_unlock(m));
lock_guard<mutex> guard(thread_info->data_mutex);
thread_info->cond_mutex=NULL;
thread_info->current_cond=NULL;
}
else
{
BOOST_VERIFY(!pthread_mutex_unlock(m));
}
}
};
}
namespace this_thread
{
void BOOST_THREAD_DECL yield();
#ifdef __DECXXX
/// Workaround of DECCXX issue of incorrect template substitution
template<typename TimeDuration>
inline void sleep(TimeDuration const& rel_time)
{
this_thread::sleep(get_system_time()+rel_time);
}
template<>
void BOOST_THREAD_DECL sleep(system_time const& abs_time);
#else
void BOOST_THREAD_DECL sleep(system_time const& abs_time);
template<typename TimeDuration>
inline BOOST_SYMBOL_VISIBLE void sleep(TimeDuration const& rel_time)
{
this_thread::sleep(get_system_time()+rel_time);
}
#endif
}
}
#include <boost/config/abi_suffix.hpp>
#endif
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