gthread.cpp

Go to the documentation of this file.

//
// Copyright (C) 2017 Graeme Walker
// 
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
// ===
//
// gthread.cpp
//

#include "gdef.h"

namespace 
{
    void test_fn( void ) {}
}

bool G::threading::works()
{
    if( using_std_thread ) 
    {
        try
        {
            threading::thread_type t( test_fn ) ;
            t.join() ;
            threading::mutex_type mutex ;
            threading::lock_type lock( mutex ) ;
            return true ;
        }
        catch(...)
        {
            // eg. gcc std::thread builds okay with -std=c++11 but throws 
            // at run-time if not also built with "-pthread" - also, linking 
            // with -lGL suppresses linking with libpthread.so and breaks
            // threading at run-time
            return false ;
        }
    }
    else
    {
        return false ;
    }
}

/// \file gthread.cpp