Files
rtorrent/src/signal_handler.cc
T
rakshasa 2e83af28ac Fixed freebsd compile errors.
Added global rate display.


git-svn-id: svn://rakshasa.no/libtorrent/trunk/rtorrent@463 e378c898-3ddf-0310-93e7-cc216c733640
2005-06-15 09:28:52 +00:00

100 lines
2.8 KiB
C++

// rTorrent - BitTorrent client
// Copyright (C) 2005, Jari Sundell
//
// 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Contact: Jari Sundell <jaris@ifi.uio.no>
//
// Skomakerveien 33
// 3185 Skoppum, NORWAY
#include "config.h"
#include <stdexcept>
#include "signal_handler.h"
SignalHandler::Slot SignalHandler::m_handlers[HIGHEST_SIGNAL];
void
SignalHandler::set_default(unsigned int signum) {
if (signum >= HIGHEST_SIGNAL)
throw std::logic_error("SignalHandler::clear(...) received invalid signal value");
signal(signum, SIG_DFL);
m_handlers[signum].disconnect();
}
void
SignalHandler::set_ignore(unsigned int signum) {
if (signum >= HIGHEST_SIGNAL)
throw std::logic_error("SignalHandler::clear(...) received invalid signal value");
signal(signum, SIG_IGN);
m_handlers[signum].disconnect();
}
void
SignalHandler::set_handler(unsigned int signum, Slot slot) {
if (signum >= HIGHEST_SIGNAL)
throw std::logic_error("SignalHandler::handle(...) received invalid signal value");
if (slot.empty())
throw std::logic_error("SignalHandler::handle(...) received an empty slot");
signal(signum, &SignalHandler::caught);
m_handlers[signum] = slot;
}
void
SignalHandler::caught(int signum) {
if ((unsigned)signum >= HIGHEST_SIGNAL)
throw std::logic_error("SignalHandler::caught(...) received invalid signal from the kernel, bork bork bork");
if (m_handlers[signum].empty())
throw std::logic_error("SignalHandler::caught(...) received a signal we don't have a handler for");
m_handlers[signum]();
}
const char*
SignalHandler::as_string(unsigned int signum) {
switch (signum) {
case SIGHUP:
return "Hangup detected";
case SIGINT:
return "Interrupt from keyboard";
case SIGQUIT:
return "Quit signal";
case SIGILL:
return "Illegal instruction";
case SIGABRT:
return "Abort signal";
case SIGFPE:
return "Floating point exception";
case SIGKILL:
return "Kill signal";
case SIGSEGV:
return "Segmentation fault";
case SIGPIPE:
return "Broken pipe";
case SIGALRM:
return "Timer signal";
case SIGTERM:
return "Termination signal";
default:
return "Unlisted";
}
}