Robin Gareus
9a4237ba83
This is in preparation to conveniently duplicate debug messages to Window > Log. For cases where stdout/err is not easily accessible.
122 lines
2.6 KiB
C++
122 lines
2.6 KiB
C++
/*
|
|
* Copyright (C) 1998-2015 Paul Davis <paul@linuxaudiosystems.com>
|
|
* Copyright (C) 2015-2019 Robin Gareus <robin@gareus.org>
|
|
*
|
|
* 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 <signal.h>
|
|
#include <string>
|
|
|
|
#include "pbd/transmitter.h"
|
|
#include "pbd/error.h"
|
|
|
|
using std::string;
|
|
using std::ios;
|
|
|
|
Transmitter::Transmitter (Channel c)
|
|
{
|
|
channel = c;
|
|
switch (c) {
|
|
case Error:
|
|
send = &error;
|
|
break;
|
|
case Warning:
|
|
send = &warning;
|
|
break;
|
|
case Info:
|
|
send = &info;
|
|
break;
|
|
case Debug:
|
|
send = &debug;
|
|
break;
|
|
case Fatal:
|
|
send = &fatal;
|
|
break;
|
|
case Throw:
|
|
/* we should never call Transmitter::deliver
|
|
for thrown messages (because its overridden in the
|
|
class heirarchy). force a segv if we do.
|
|
*/
|
|
send = 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
Transmitter::deliver ()
|
|
|
|
{
|
|
/* NOTE: this is just a default action for a Transmitter or a
|
|
derived class. Any class can override this to produce some
|
|
other action when deliver() is called.
|
|
*/
|
|
|
|
*this << '\0';
|
|
|
|
/* send the SigC++ signal */
|
|
|
|
(*send) (channel, str().c_str());
|
|
|
|
/* XXX when or how can we delete this ? */
|
|
// delete foo;
|
|
|
|
/* return to a pristine state */
|
|
|
|
clear ();
|
|
seekp (0, ios::beg);
|
|
seekg (0, ios::beg);
|
|
|
|
/* do the right thing if this should not return */
|
|
|
|
if (does_not_return()) {
|
|
#ifndef PLATFORM_WINDOWS
|
|
// TODO !!!! Commented out temporarily (for Windows)
|
|
sigset_t mask;
|
|
|
|
sigemptyset (&mask);
|
|
sigsuspend (&mask);
|
|
/*NOTREACHED*/
|
|
exit (EXIT_FAILURE);
|
|
/* JE - From what I can tell, the above code suspends
|
|
* program execution until (any) signal occurs. Not
|
|
* sure at the moment what this achieves, unless it
|
|
* provides some time for the user to see the message.
|
|
*/
|
|
#endif
|
|
}
|
|
}
|
|
|
|
bool
|
|
Transmitter::does_not_return ()
|
|
|
|
{
|
|
if (channel == Fatal || channel == Throw) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
extern "C" {
|
|
void pbd_c_error (const char *str)
|
|
|
|
{
|
|
PBD::error << str << endmsg;
|
|
}
|
|
}
|