livetrax/libs/pbd/crossthread.cc

/*
  Copyright (C) 2009 Paul Davis 

  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 2 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, write to the Free Software
  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/


#include <cstdlib>
#include <cerrno>
#include <cstring>
#include <fcntl.h>
#include <unistd.h>

#ifdef PLATFORM_WINDOWS
#include <winsock2.h>
#include <ws2tcpip.h>
#endif

#include "pbd/error.h"
#include "pbd/crossthread.h"

using namespace std;
using namespace PBD;
using namespace Glib;

#ifndef PLATFORM_WINDOWS
#include "crossthread.posix.cc"
#else
#include "crossthread.win.cc"
#endif

gboolean 
cross_thread_channel_call_receive_slot (GIOChannel*, GIOCondition condition, void *data)
{
        CrossThreadChannel* ctc = static_cast<CrossThreadChannel*>(data);
        return ctc->receive_slot (Glib::IOCondition (condition));
}

void
CrossThreadChannel::set_receive_handler (sigc::slot<bool,Glib::IOCondition> s)
{
        receive_slot = s;
}

void
CrossThreadChannel::attach (Glib::RefPtr<Glib::MainContext> context)
{
        receive_source = g_io_create_watch (receive_channel, GIOCondition(G_IO_IN|G_IO_PRI|G_IO_ERR|G_IO_HUP|G_IO_NVAL));
        g_source_set_callback (receive_source, (GSourceFunc) cross_thread_channel_call_receive_slot, this, NULL);
        g_source_attach (receive_source, context->gobj());
}