Page MenuHomePhabricator
Files F5155899

ewfsignal.c
No OneTemporary
Actions

Size
4 KB
Referenced Files
None
Subscribers
None

ewfsignal.c
View Options

/*
* Signal handling functions
*
* Copyright (c) 2006-2007, Joachim Metz <forensics@hoffmannbv.nl>,
* Hoffmann Investigations. All rights reserved.
*
* Refer to AUTHORS for acknowledgements.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the creator, related organisations, nor the names of
* its contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
* - All advertising materials mentioning features or use of this software
* must acknowledge the contribution by people stated in the acknowledgements.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER, COMPANY AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "../libewf/libewf_includes.h"
#include "../libewf/libewf_common.h"
#include "../libewf/libewf_notify.h"
#include "ewfsignal.h"
#ifdef HAVE_SIGNAL_H
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <signal.h>
/* Signal handler for Ctrl+C or Ctrl+Break signals
*/
void ewfsignal_signal_handler( int signal )
{
signal = 0;
}
void ewfsignal_initialize( void )
{
}
#elif defined(HAVE_WINDOWS_API)
#include <windows.h>
#include <winnt.h>
#include <crtdbg.h>
/* You can pass this variable to your api if you
* want to support cancellation. The control handler
* does nothing more than set the value of this variable to 1L.
* On *nix you have to use signals to achieve the same result.
*/
volatile int32_t cancelled;
/* Signal handler for Ctrl+C or Ctrl+Break signals
*/
int WINAPI ewfsignal_signal_handler( unsigned long signal )
{
switch( signal )
{
/* use Ctrl+C or Ctrl+Break to simulate SERVICE_CONTROL_STOP in debug mode
*/
case CTRL_BREAK_EVENT:
case CTRL_C_EVENT:
LIBEWF_WARNING_PRINT( "ewfsignal_signal_handler: stopping at break signal.\n" );
InterlockedExchange( (long *) &cancelled, 1 );
return( 1 );
default:
break;
}
return( 0 );
}
/* Initialize memory usage and leakage debugging
*/
void ewfsignal_initialize_memory_debug( void )
{
int flag = 0;
/* Get the current state of the flag and store it in a temporary variable
*/
flag = _CrtSetDbgFlag( _CRTDBG_REPORT_FLAG );
/* Turn on client block identifiers and automatic leak detection
*/
flag |= ( _CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF );
/* Set the new state for the flag
*/
_CrtSetDbgFlag( flag );
}
/* Set up signal handling
*/
void ewfsignal_initialize( void )
{
SetConsoleCtrlHandler( ewfsignal_signal_handler, 1 );
SetConsoleCtrlHandler( NULL, FALSE );
ewfsignal_initialize_memory_debug();
SetErrorMode( SEM_FAILCRITICALERRORS );
#ifdef LOCALE_SUPPORT
/* Allow subsequent threads to have their own locale.
* The current application is single threaded so this
* call has no practical effect here.
*/
_configthreadlocale( _ENABLE_PER_THREAD_LOCALE );
/* Set the current thread locale to the user default
* ANSI code page.
*/
setlocale( LC_ALL, "" );
/* Set the the code page used by multibyte functions
* to use the same code page as the previous call to setlocale.
*/
_setmbcp( _MB_CP_LOCALE );
#endif
}
#endif

File Metadata

Mime Type
text/x-c
Expires
Wed, Jun 25, 10:56 PM (1 h, 22 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
1281953
Default Alt Text
ewfsignal.c (4 KB)

Event Timeline