ardour/libs/pbd/crossthread.cc
Robin Gareus f7e917c123
Potential fix for M1 x-thread events
On M1, the cross-thread channel sets G_IO_PRI in addition to G_IO_IN
this breaks various assumptions in receivers, which test for ~G_IO_IN
as error condition.
2022-05-02 00:02:33 +02:00

69 lines
2.0 KiB
C++

/*
* Copyright (C) 2009-2015 Paul Davis <paul@linuxaudiosystems.com>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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
#ifndef G_SOURCE_FUNC
#define G_SOURCE_FUNC(f) ((GSourceFunc) (void (*)(void)) (f))
#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_ERR | G_IO_HUP));
g_source_set_callback (receive_source, G_SOURCE_FUNC(cross_thread_channel_call_receive_slot), this, NULL);
g_source_attach (receive_source, context->gobj());
}