131 lines
3.8 KiB
C++
131 lines
3.8 KiB
C++
//
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// The developer of the original code and/or files is Tripwire, Inc.
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// Portions created by Tripwire, Inc. are copyright (C) 2000 Tripwire,
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// Inc. Tripwire is a registered trademark of Tripwire, Inc. All rights
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// reserved.
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//
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// This program is free software. The contents of this file are subject
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// to the terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2 of the License, or (at your
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// option) any later version. You may redistribute it and/or modify it
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// only in compliance with the GNU General Public License.
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//
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// This program is distributed in the hope that it will be useful.
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// However, this program is distributed AS-IS WITHOUT ANY
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// WARRANTY; INCLUDING THE IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS
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// FOR A PARTICULAR PURPOSE. Please see the GNU General Public License
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// for more details.
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//
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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//
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// Nothing in the GNU General Public License or any other license to use
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// the code or files shall permit you to use Tripwire's trademarks,
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// service marks, or other intellectual property without Tripwire's
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// prior written consent.
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//
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// If you have any questions, please contact Tripwire, Inc. at either
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// info@tripwire.org or www.tripwire.org.
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//
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// tw_signal.cpp
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#include "stdcore.h"
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#include "tw_signal.h"
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#include "corestrings.h"
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#include <signal.h>
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#include <stdlib.h>
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static void util_SignalHandler( int sig );
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#if IS_UNIX
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static void tw_psignal( int sig, const TCHAR* s );
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#endif
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tw_sighandler_t tw_signal(int sig, tw_sighandler_t pFunc)
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{
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return signal(sig, pFunc);
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}
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int tw_raise(int sig)
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{
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return raise(sig);
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}
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tw_sighandler_t tw_sigign(int sig)
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{
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return signal(sig, SIG_IGN);
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}
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//////////////////////////////////////////////////////////////////////
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// tw_HandleSignal -- Take a given signal and install a handler for
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// it, which will then exit with the supplied exit value
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tw_sighandler_t tw_HandleSignal( int sig )
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{
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return signal( sig, util_SignalHandler );
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}
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void util_SignalHandler( int sig )
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{
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//If we're on unix, let's print out a nice error message telling
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//the user which signal we've recieved.
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#if IS_UNIX
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tw_psignal( sig, (TSS_GetString( cCore, core::STR_SIGNAL).c_str() ) );
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#endif
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exit( 8 );
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}
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#if IS_UNIX
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/* For the morbidly curious, here's a thread where a POSIX standards committee
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wrings its hands about how to define NSIG: http://austingroupbugs.net/view.php?id=741#c1834 */
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#ifndef NSIG
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# ifdef SIGMAX
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# define NSIG (SIGMAX+1)
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# else
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# define NSIG 32
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# endif
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#endif
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void tw_psignal(int sig, const TCHAR *str)
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{
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const TCHAR *siglist[NSIG] = {
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_T("Unknown Signal"),
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_T("Hangup"),
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_T("Interrupt"),
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_T("Quit"),
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_T("Illegal Instruction"),
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_T("Trace/Breakpoint Trap"),
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_T("Abort"),
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_T("Emulation Trap"),
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_T("Arithmetic Exception"),
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_T("Killed"),
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_T("Bus Error"),
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_T("Segmentation Fault"),
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_T("Bad System Call"),
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_T("Broken Pipe"),
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_T("Alarm Clock"),
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_T("Terminated"),
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_T("User Signal 1"),
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_T("User Signal 2"),
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_T("Child Status Changed"),
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_T("Power-Fail/Restart"),
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_T("Virtual Timer Expired"),
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_T("Profiling Timer Expired"),
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_T("Pollable Event"),
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_T("Window Size Change"),
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_T("Stopped (signal)"),
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_T("Stopped (user)"),
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_T("Continued"),
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_T("Stopped (tty input)"),
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_T("Stopped (tty output)"),
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_T("Urgent Socket Condition"),
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_T("File Lock Lost")
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};
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_ftprintf(stderr, _T("%s %s\n"), str, sig < NSIG ? siglist[sig] : siglist[0]);
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}
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#endif
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