Added boost header

test/external/boost/thread/pthread/condition_variable.hpp

@@ -0,0 +1,224 @@
+#ifndef BOOST_THREAD_CONDITION_VARIABLE_PTHREAD_HPP
+#define BOOST_THREAD_CONDITION_VARIABLE_PTHREAD_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 2007-10 Anthony Williams
+
+#include "timespec.hpp"
+#include "pthread_mutex_scoped_lock.hpp"
+#include "thread_data.hpp"
+#include "condition_variable_fwd.hpp"
+
+#include <boost/config/abi_prefix.hpp>
+
+namespace boost
+{
+    namespace this_thread
+    {
+        void BOOST_THREAD_DECL interruption_point();
+    }
+    
+    namespace thread_cv_detail
+    {
+        template<typename MutexType>
+        struct lock_on_exit
+        {
+            MutexType* m;
+            
+            lock_on_exit():
+                m(0)
+            {}
+
+            void activate(MutexType& m_)
+            {
+                m_.unlock();
+                m=&m_;
+            }
+            ~lock_on_exit()
+            {
+                if(m)
+                {
+                    m->lock();
+                }
+           }
+        };
+    }
+    
+    inline void condition_variable::wait(unique_lock<mutex>& m)
+    {
+        int res=0;
+        {
+            thread_cv_detail::lock_on_exit<unique_lock<mutex> > guard;
+            detail::interruption_checker check_for_interruption(&internal_mutex,&cond);
+            guard.activate(m);
+            res=pthread_cond_wait(&cond,&internal_mutex);
+        }
+        this_thread::interruption_point();
+        if(res)
+        {
+            boost::throw_exception(condition_error());
+        }
+    }
+
+    inline bool condition_variable::timed_wait(unique_lock<mutex>& m,boost::system_time const& wait_until)
+    {
+        thread_cv_detail::lock_on_exit<unique_lock<mutex> > guard;
+        int cond_res;
+        {
+            detail::interruption_checker check_for_interruption(&internal_mutex,&cond);
+            guard.activate(m);
+            struct timespec const timeout=detail::get_timespec(wait_until);
+            cond_res=pthread_cond_timedwait(&cond,&internal_mutex,&timeout);
+        }
+        this_thread::interruption_point();
+        if(cond_res==ETIMEDOUT)
+        {
+            return false;
+        }
+        if(cond_res)
+        {
+            boost::throw_exception(condition_error());
+        }
+        return true;
+    }
+
+    inline void condition_variable::notify_one()
+    {
+        boost::pthread::pthread_mutex_scoped_lock internal_lock(&internal_mutex);
+        BOOST_VERIFY(!pthread_cond_signal(&cond));
+    }
+        
+    inline void condition_variable::notify_all()
+    {
+        boost::pthread::pthread_mutex_scoped_lock internal_lock(&internal_mutex);
+        BOOST_VERIFY(!pthread_cond_broadcast(&cond));
+    }
+    
+    class condition_variable_any
+    {
+        pthread_mutex_t internal_mutex;
+        pthread_cond_t cond;
+
+        condition_variable_any(condition_variable_any&);
+        condition_variable_any& operator=(condition_variable_any&);
+
+    public:
+        condition_variable_any()
+        {
+            int const res=pthread_mutex_init(&internal_mutex,NULL);
+            if(res)
+            {
+                boost::throw_exception(thread_resource_error());
+            }
+            int const res2=pthread_cond_init(&cond,NULL);
+            if(res2)
+            {
+                BOOST_VERIFY(!pthread_mutex_destroy(&internal_mutex));
+                boost::throw_exception(thread_resource_error());
+            }
+        }
+        ~condition_variable_any()
+        {
+            BOOST_VERIFY(!pthread_mutex_destroy(&internal_mutex));
+            BOOST_VERIFY(!pthread_cond_destroy(&cond));
+        }
+        
+        template<typename lock_type>
+        void wait(lock_type& m)
+        {
+            int res=0;
+            {
+                thread_cv_detail::lock_on_exit<lock_type> guard;
+                detail::interruption_checker check_for_interruption(&internal_mutex,&cond);
+                guard.activate(m);
+                res=pthread_cond_wait(&cond,&internal_mutex);
+            }
+            this_thread::interruption_point();
+            if(res)
+            {
+                boost::throw_exception(condition_error());
+            }
+        }
+
+        template<typename lock_type,typename predicate_type>
+        void wait(lock_type& m,predicate_type pred)
+        {
+            while(!pred()) wait(m);
+        }
+        
+        template<typename lock_type>
+        bool timed_wait(lock_type& m,boost::system_time const& wait_until)
+        {
+            struct timespec const timeout=detail::get_timespec(wait_until);
+            int res=0;
+            {
+                thread_cv_detail::lock_on_exit<lock_type> guard;
+                detail::interruption_checker check_for_interruption(&internal_mutex,&cond);
+                guard.activate(m);
+                res=pthread_cond_timedwait(&cond,&internal_mutex,&timeout);
+            }
+            this_thread::interruption_point();
+            if(res==ETIMEDOUT)
+            {
+                return false;
+            }
+            if(res)
+            {
+                boost::throw_exception(condition_error());
+            }
+            return true;
+        }
+        template<typename lock_type>
+        bool timed_wait(lock_type& m,xtime const& wait_until)
+        {
+            return timed_wait(m,system_time(wait_until));
+        }
+
+        template<typename lock_type,typename duration_type>
+        bool timed_wait(lock_type& m,duration_type const& wait_duration)
+        {
+            return timed_wait(m,get_system_time()+wait_duration);
+        }
+
+        template<typename lock_type,typename predicate_type>
+        bool timed_wait(lock_type& m,boost::system_time const& wait_until,predicate_type pred)
+        {
+            while (!pred())
+            {
+                if(!timed_wait(m, wait_until))
+                    return pred();
+            }
+            return true;
+        }
+
+        template<typename lock_type,typename predicate_type>
+        bool timed_wait(lock_type& m,xtime const& wait_until,predicate_type pred)
+        {
+            return timed_wait(m,system_time(wait_until),pred);
+        }
+
+        template<typename lock_type,typename duration_type,typename predicate_type>
+        bool timed_wait(lock_type& m,duration_type const& wait_duration,predicate_type pred)
+        {
+            return timed_wait(m,get_system_time()+wait_duration,pred);
+        }
+
+        void notify_one()
+        {
+            boost::pthread::pthread_mutex_scoped_lock internal_lock(&internal_mutex);
+            BOOST_VERIFY(!pthread_cond_signal(&cond));
+        }
+        
+        void notify_all()
+        {
+            boost::pthread::pthread_mutex_scoped_lock internal_lock(&internal_mutex);
+            BOOST_VERIFY(!pthread_cond_broadcast(&cond));
+        }
+    };
+
+}
+
+#include <boost/config/abi_suffix.hpp>
+
+#endif