2 Copyright (C) 2001-2004 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #include <sys/types.h>
29 #include <sigc++/bind.h>
30 #include <gtkmm/settings.h>
32 #include <pbd/error.h>
33 #include <pbd/textreceiver.h>
34 #include <pbd/platform.h>
35 #include <pbd/platform_factory.h>
36 #include <pbd/failed_constructor.h>
37 #include <pbd/pthread_utils.h>
39 #include <jack/jack.h>
41 #include <ardour/version.h>
42 #include <ardour/ardour.h>
43 #include <ardour/audioengine.h>
45 #include <gtkmm/main.h>
46 #include <gtkmm2ext/popup.h>
47 #include <gtkmm2ext/utils.h>
50 #include "ardour_ui.h"
56 using namespace GTK_ARDOUR;
57 using namespace ARDOUR;
60 TextReceiver text_receiver ("ardour");
62 extern int curvetest (string);
64 static ARDOUR_UI *ui = 0;
73 msg = _("ardour is killing itself for a clean exit\n");
74 write (1, msg, strlen (msg));
75 /* drastic, but perhaps necessary */
76 kill (-getpgrp(), SIGKILL);
82 msg = _("stopping user interface\n");
83 write (1, msg, strlen (msg));
87 pthread_cancel_all ();
100 /* XXX its doubtful that snprintf() is async-safe */
101 n = snprintf (buf, sizeof(buf), _("%d(%d): received signal %d\n"), getpid(), (int) pthread_self(), sig);
108 handler2 (int sig, siginfo_t* ctxt, void* ignored)
114 signal_thread (void *arg)
119 PBD::ThreadCreated (pthread_self(), X_("Signal"));
121 pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, 0);
123 /* find out what's blocked right now */
125 //sigprocmask (SIG_SETMASK, 0, &blocked);
126 if (pthread_sigmask (SIG_SETMASK, 0, &blocked)) {
127 cerr << "getting blocked signals failed\n";
130 /* wait for any of the currently blocked signals.
132 According to the man page found in linux 2.6 and 2.4, sigwait()
133 never returns an error. This is incorrect. Checking the man
134 pages for some other *nix systems makes it clear that
135 sigwait() can return several error codes, one of which
136 is EINTR. This happens if the thread receives a signal
137 which is not in the blocked set.
139 We do not expect that to happen, and if it did we should generally
140 exit as planned. However, under 2.6, the ptrace facility used
141 by gdb seems to also cause sigwait() to return with EINTR
142 but with a signal that sigwait cannot understand. As a result,
143 "sig" is set to zero, an impossible signal number.
145 Handling the EINTR code makes it possible to debug
146 ardour on a 2.6 kernel.
153 if ((swerr = sigwait (&blocked, &sig))) {
154 if (swerr == EINTR) {
157 cerr << "sigwait failed with " << swerr << endl;
161 cerr << "Signal " << sig << " received\n";
163 if (sig != SIGSEGV) {
165 /* unblock signals so we can see them during shutdown.
166 this will help prod developers not to lose sight
167 of bugs that cause segfaults etc. during shutdown.
170 sigprocmask (SIG_UNBLOCK, &blocked, 0);
181 struct sigaction action;
182 pthread_t signal_thread_id;
185 // if (setpgid (0,0)) {
187 warning << string_compose (_("cannot become new process group leader (%1)"),
192 sigemptyset (&signals);
193 sigaddset(&signals, SIGHUP);
194 sigaddset(&signals, SIGINT);
195 sigaddset(&signals, SIGQUIT);
196 sigaddset(&signals, SIGPIPE);
197 sigaddset(&signals, SIGTERM);
198 sigaddset(&signals, SIGUSR1);
199 sigaddset(&signals, SIGUSR2);
202 /* install a handler because otherwise
203 pthreads behaviour is undefined when we enter
207 action.sa_handler = handler;
208 action.sa_mask = signals;
209 action.sa_flags = SA_RESTART|SA_RESETHAND;
211 for (int i = 1; i < 32; i++) {
212 if (sigismember (&signals, i)) {
213 if (sigaction (i, &action, 0)) {
214 cerr << string_compose (_("cannot setup signal handling for %1"), i) << endl;
220 /* this sets the signal mask for this and all
221 subsequent threads that do not reset it.
224 if (pthread_sigmask (SIG_SETMASK, &signals, 0)) {
225 cerr << string_compose (_("cannot set default signal mask (%1)"), strerror (errno)) << endl;
229 /* start a thread to wait for signals */
231 if (pthread_create_and_store ("signal", &signal_thread_id, 0, signal_thread, 0)) {
232 cerr << "cannot create signal catching thread" << endl;
236 pthread_detach (signal_thread_id);
246 if ((envvar = getenv("ARDOUR_UI_RC")) == 0) {
247 rcfile = find_config_file ("ardour2_ui.rc");
249 if (rcfile.length() == 0) {
250 warning << _("Without a UI style file, ardour will look strange.\n Please set ARDOUR_UI_RC to point to a valid UI style file") << endmsg;
260 show_ui_callback (void *arg)
262 ARDOUR_UI * ui = (ARDOUR_UI *) arg;
273 ArdourDialog win (_("ardour: unplugged"));
274 Label label (_("Ardour could not connect to JACK.\n\
275 There are several possible reasons:\n\
277 1) JACK is not running.\n\
278 2) JACK is running as another user, perhaps root.\n\
279 3) There is already another client called \"ardour\".\n\
281 Please consider the possibilities, and perhaps (re)start JACK."));
283 win.get_vbox()->pack_start (label);
284 win.add_button (Stock::OK, RESPONSE_ACCEPT);
287 win.set_position (Gtk::WIN_POS_CENTER);
289 /* we just don't care about the result */
295 main (int argc, char *argv[])
297 ARDOUR::AudioEngine *engine;
298 vector<Glib::ustring> null_file_list;
302 (void) bindtextdomain (PACKAGE, LOCALEDIR);
303 (void) textdomain (PACKAGE);
305 pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, 0);
309 text_receiver.listen_to (error);
310 text_receiver.listen_to (info);
311 text_receiver.listen_to (fatal);
312 text_receiver.listen_to (warning);
314 if (parse_opts (argc, argv)) {
318 if (curvetest_file) {
319 return curvetest (curvetest_file);
322 /* desktop standard themes: just say no! */
324 if (getenv("GTK_RC_FILES")) {
325 unsetenv("GTK_RC_FILES");
328 if (getenv("GTK2_RC_FILES")) {
329 unsetenv("GTK_RC_FILES");
332 RC::set_default_files (null_file_list);
334 cout << _("Ardour/GTK ")
336 << _("\n (built using ")
337 << gtk_ardour_major_version << '.'
338 << gtk_ardour_minor_version << '.'
339 << gtk_ardour_micro_version
340 << _(" with libardour ")
341 << libardour_major_version << '.'
342 << libardour_minor_version << '.'
343 << libardour_micro_version
345 << _(" and GCC version ") << __VERSION__
355 cerr << _("Copyright (C) 1999-2005 Paul Davis") << endl
356 << _("Some portions Copyright (C) Steve Harris, Ari Johnson, Brett Viren, Joel Baker") << endl
358 << _("Ardour comes with ABSOLUTELY NO WARRANTY") << endl
359 << _("not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.") << endl
360 << _("This is free software, and you are welcome to redistribute it ") << endl
361 << _("under certain conditions; see the source for copying conditions.")
366 ui = new ARDOUR_UI (&argc, &argv, which_ui_rcfile());
369 catch (failed_constructor& err) {
370 error << _("could not create ARDOUR GUI") << endmsg;
377 if (session_name.length()) {
378 gtk_timeout_add (4000, show_ui_callback, ui);
383 engine = new ARDOUR::AudioEngine (jack_client_name);
384 ARDOUR::init (*engine, use_vst, try_hw_optimization, handler2);
385 ui->set_engine (*engine);
386 } catch (AudioEngine::NoBackendAvailable& err) {
388 error << string_compose (_("Could not connect to JACK server as \"%1\""), jack_client_name) << endmsg;
390 } catch (failed_constructor& err) {
391 error << _("could not initialize Ardour.") << endmsg;
395 /* load session, if given */
398 if (session_name.length()){
401 if (Session::find_session (session_name, path, name, isnew)) {
402 error << string_compose(_("could not load command line session \"%1\""), session_name) << endmsg;
407 /* command line required that the session be new */
411 /* popup the new session dialog
412 once everything else is OK.
415 Glib::signal_idle().connect (bind (mem_fun (*ui, &ARDOUR_UI::cmdline_new_session), path));
416 ui->set_will_create_new_session_automatically (true);
420 /* it wasn't new, but we require a new session */
422 error << string_compose (_("\n\nA session named \"%1\" already exists.\n\
423 To avoid this message, start ardour as \"ardour %1"), path)
430 /* command line didn't require a new session */
433 error << string_compose (_("\n\nNo session named \"%1\" exists.\n\
434 To create it from the command line, start ardour as \"ardour --new %1"), path)
439 ui->load_session (path, name);
450 if (!Config->get_no_new_session_dialog()) {
451 ui->new_session (true);
455 ui->run (text_receiver);