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/* -*- c++ -*- */
/*
* Copyright 2004,2009 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio 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 3, or (at your option)
* any later version.
*
* GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
/*
* This is actually the same as gr_local_signhandler, but with a different name.
* We don't have a common library to put this in, so...
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <usrp/usrp_local_sighandler.h>
#include <stdexcept>
#include <stdio.h>
#include <string.h>
usrp_local_sighandler::usrp_local_sighandler (int signum,
void (*new_handler)(int))
: d_signum (signum)
{
#ifdef HAVE_SIGACTION
struct sigaction new_action;
memset (&new_action, 0, sizeof (new_action));
new_action.sa_handler = new_handler;
sigemptyset (&new_action.sa_mask);
new_action.sa_flags = 0;
if (sigaction (d_signum, &new_action, &d_old_action) < 0){
perror ("sigaction (install new)");
throw std::runtime_error ("sigaction");
}
#endif
}
usrp_local_sighandler::~usrp_local_sighandler ()
{
#ifdef HAVE_SIGACTION
if (sigaction (d_signum, &d_old_action, 0) < 0){
perror ("sigaction (restore old)");
throw std::runtime_error ("sigaction");
}
#endif
}
void
usrp_local_sighandler::throw_signal(int signum) throw(usrp_signal)
{
throw usrp_signal (signum);
}
/*
* Semi-hideous way to may a signal number into a signal name
*/
#define SIGNAME(x) case x: return #x
std::string
usrp_signal::name () const
{
char tmp[128];
switch (signal ()){
#ifdef SIGHUP
SIGNAME (SIGHUP);
#endif
#ifdef SIGINT
SIGNAME (SIGINT);
#endif
#ifdef SIGQUIT
SIGNAME (SIGQUIT);
#endif
#ifdef SIGILL
SIGNAME (SIGILL);
#endif
#ifdef SIGTRAP
SIGNAME (SIGTRAP);
#endif
#ifdef SIGABRT
SIGNAME (SIGABRT);
#endif
#ifdef SIGBUS
SIGNAME (SIGBUS);
#endif
#ifdef SIGFPE
SIGNAME (SIGFPE);
#endif
#ifdef SIGKILL
SIGNAME (SIGKILL);
#endif
#ifdef SIGUSR1
SIGNAME (SIGUSR1);
#endif
#ifdef SIGSEGV
SIGNAME (SIGSEGV);
#endif
#ifdef SIGUSR2
SIGNAME (SIGUSR2);
#endif
#ifdef SIGPIPE
SIGNAME (SIGPIPE);
#endif
#ifdef SIGALRM
SIGNAME (SIGALRM);
#endif
#ifdef SIGTERM
SIGNAME (SIGTERM);
#endif
#ifdef SIGSTKFLT
SIGNAME (SIGSTKFLT);
#endif
#ifdef SIGCHLD
SIGNAME (SIGCHLD);
#endif
#ifdef SIGCONT
SIGNAME (SIGCONT);
#endif
#ifdef SIGSTOP
SIGNAME (SIGSTOP);
#endif
#ifdef SIGTSTP
SIGNAME (SIGTSTP);
#endif
#ifdef SIGTTIN
SIGNAME (SIGTTIN);
#endif
#ifdef SIGTTOU
SIGNAME (SIGTTOU);
#endif
#ifdef SIGURG
SIGNAME (SIGURG);
#endif
#ifdef SIGXCPU
SIGNAME (SIGXCPU);
#endif
#ifdef SIGXFSZ
SIGNAME (SIGXFSZ);
#endif
#ifdef SIGVTALRM
SIGNAME (SIGVTALRM);
#endif
#ifdef SIGPROF
SIGNAME (SIGPROF);
#endif
#ifdef SIGWINCH
SIGNAME (SIGWINCH);
#endif
#ifdef SIGIO
SIGNAME (SIGIO);
#endif
#ifdef SIGPWR
SIGNAME (SIGPWR);
#endif
#ifdef SIGSYS
SIGNAME (SIGSYS);
#endif
default:
#if defined (HAVE_SNPRINTF)
#if defined (SIGRTMIN) && defined (SIGRTMAX)
if (signal () >= SIGRTMIN && signal () <= SIGRTMAX){
snprintf (tmp, sizeof (tmp), "SIGRTMIN + %d", signal ());
return tmp;
}
#endif
snprintf (tmp, sizeof (tmp), "SIGNAL %d", signal ());
return tmp;
#else
return "Unknown signal";
#endif
}
}
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