/*
- Copyright (C) 2009 Paul Davis
+ 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 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.
+ 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.
+ 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 PBD;
using namespace Glib;
-CrossThreadChannel::CrossThreadChannel ()
-{
- _ios = 0;
- fds[0] = -1;
- fds[1] = -1;
-
- if (pipe (fds)) {
- error << "cannot create x-thread pipe for read (%2)" << ::strerror (errno) << endmsg;
- return;
- }
-
- if (fcntl (fds[0], F_SETFL, O_NONBLOCK)) {
- error << "cannot set non-blocking mode for x-thread pipe (read) (" << ::strerror (errno) << ')' << endmsg;
- return;
- }
-
- if (fcntl (fds[1], F_SETFL, O_NONBLOCK)) {
- error << "cannot set non-blocking mode for x-thread pipe (write) (%2)" << ::strerror (errno) << ')' << endmsg;
- return;
- }
-}
-
-CrossThreadChannel::~CrossThreadChannel ()
-{
- /* glibmm hack */
- drop_ios ();
-
- if (fds[0] >= 0) {
- close (fds[0]);
- fds[0] = -1;
- }
-
- if (fds[1] >= 0) {
- close (fds[1]);
- fds[1] = -1;
- }
-}
-
-void
-CrossThreadChannel::wakeup ()
-{
- char c = 0;
- ::write (fds[1], &c, 1);
-}
+#ifndef PLATFORM_WINDOWS
+#include "crossthread.posix.cc"
+#else
+#include "crossthread.win.cc"
+#endif
-RefPtr<IOSource>
-CrossThreadChannel::ios ()
-{
- if (!_ios) {
- _ios = new RefPtr<IOSource> (IOSource::create (fds[0], IOCondition(IO_IN|IO_PRI|IO_ERR|IO_HUP|IO_NVAL)));
- }
- return *_ios;
-}
-
-void
-CrossThreadChannel::drop_ios ()
+gboolean
+cross_thread_channel_call_receive_slot (GIOChannel*, GIOCondition condition, void *data)
{
- delete _ios;
- _ios = 0;
+ CrossThreadChannel* ctc = static_cast<CrossThreadChannel*>(data);
+ return ctc->receive_slot (Glib::IOCondition (condition));
}
void
-CrossThreadChannel::drain ()
+CrossThreadChannel::set_receive_handler (sigc::slot<bool,Glib::IOCondition> s)
{
- drain (fds[0]);
+ receive_slot = s;
}
void
-CrossThreadChannel::drain (int fd)
-{
- /* drain selectable fd */
- char buf[64];
- while (::read (fd, buf, sizeof (buf)) > 0);
-}
-
-int
-CrossThreadChannel::deliver (char msg)
-{
- return ::write (fds[1], &msg, 1);
-}
-
-int
-CrossThreadChannel::receive (char& msg)
+CrossThreadChannel::attach (Glib::RefPtr<Glib::MainContext> context)
{
- return ::read (fds[0], &msg, 1);
+ 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());
}