90 lines
2.2 KiB
C++
90 lines
2.2 KiB
C++
// u/* -*- Mode: C++ ; c-basic-offset: 4 -*- */
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/*
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JACK control API implementation
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Copyright (C) 2008 Nedko Arnaudov
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Copyright (C) 2008 Grame
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Copyright (C) 2013 Samsung Electronics
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef WIN32
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#include <stdint.h>
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#include <dirent.h>
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#include <pthread.h>
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#endif
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#include "types.h"
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#include <string.h>
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#include <errno.h>
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#include <stdio.h>
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#include <assert.h>
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#include <signal.h>
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#include "JackControlAPIAndroid.h"
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#include "JackConstants.h"
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#include "JackServerGlobals.h"
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using namespace Jack;
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struct jackctl_sigmask
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{
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sigset_t signals;
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};
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static jackctl_sigmask sigmask;
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SERVER_EXPORT int
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jackctl_wait_signals_and_return(jackctl_sigmask_t * sigmask)
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{
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int sig;
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bool waiting = true;
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while (waiting) {
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#if defined(sun) && !defined(__sun__) // SUN compiler only, to check
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sigwait(&sigmask->signals);
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#else
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sigwait(&sigmask->signals, &sig);
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#endif
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fprintf(stderr, "Jack main caught signal %d\n", sig);
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switch (sig) {
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case SIGUSR1:
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//jack_dump_configuration(engine, 1);
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break;
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case SIGUSR2:
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// driver exit
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waiting = false;
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break;
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case SIGTTOU:
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break;
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default:
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waiting = false;
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break;
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}
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}
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if (sig != SIGSEGV) {
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// unblock signals so we can see them during shutdown.
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// this will help prod developers not to lose sight of
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// bugs that cause segfaults etc. during shutdown.
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sigprocmask(SIG_UNBLOCK, &sigmask->signals, 0);
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}
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return sig;
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}
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