116 lines
2.2 KiB
C++
116 lines
2.2 KiB
C++
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/*
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Copyright (C) 1998-99 Paul Barton-Davis
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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; either version 2 of the License, or
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(at your option) any later version.
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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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$Id$
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*/
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#include <cstdlib>
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#include <signal.h>
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#include <iostream>
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#include <string>
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#include <pbd/transmitter.h>
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using std::string;
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using std::ios;
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Transmitter::Transmitter (Channel c)
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{
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channel = c;
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switch (c) {
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case Error:
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send = &error;
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break;
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case Warning:
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send = &warning;
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break;
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case Info:
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send = &info;
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break;
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case Fatal:
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send = &fatal;
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break;
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case Throw:
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/* we should never call Transmitter::deliver
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for thrown messages (because its overridden in the
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class heirarchy). force a segv if we do.
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*/
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send = 0;
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break;
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}
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}
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void
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Transmitter::deliver ()
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{
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string foo;
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/* NOTE: this is just a default action for a Transmitter or a
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derived class. Any class can override this to produce some
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other action when deliver() is called.
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*/
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*this << '\0';
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/* send the SigC++ signal */
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foo = str();
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(*send) (channel, foo.c_str());
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/* XXX when or how can we delete this ? */
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// delete foo;
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/* return to a pristine state */
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clear ();
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seekp (0, ios::beg);
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seekg (0, ios::beg);
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/* do the right thing if this should not return */
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if (does_not_return()) {
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sigset_t mask;
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sigemptyset (&mask);
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sigsuspend (&mask);
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/*NOTREACHED*/
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exit (1);
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}
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}
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bool
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Transmitter::does_not_return ()
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{
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if (channel == Fatal || channel == Throw) {
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return true;
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} else {
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return false;
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}
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}
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extern "C" {
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void pbd_c_error (const char *str)
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{
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extern Transmitter error;
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error << str << endmsg;
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}
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}
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