kill.c

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/*
 *  ReactOS kill
 *  Copyright (C) 2003 ReactOS Team
 *
 *  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., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
/*
 * COPYRIGHT:       See COPYING in the top level directory
 * PROJECT:         ReactOS kill.exe
 * FILE:            apps/utils/kill/kill.c
 * PURPOSE:         Kill a running Process
 * PROGRAMMER:      Steven Edwards (Steven_Ed4153@yahoo.com)
 */
 
/* Thanks to David, Capser, Eric and others for the example code
 * from the old shell.exe
 */
 
#define WIN32_LEAN_AND_MEAN /* Exclude rarely-used stuff from Windows headers */
#include <windows.h>
 
#include <stdio.h>
#include <stdlib.h>
 
int
ExecuteKill(const char *lpPid)
{
    HANDLE hProcess;
    DWORD dwProcessId;
 
    dwProcessId = strtoul(lpPid, NULL, 10);
    fprintf(stderr, "Killing the process with PID %lu...\n", dwProcessId);
 
    hProcess = OpenProcess(PROCESS_TERMINATE, FALSE, dwProcessId);
    if (hProcess == NULL)
    {
        fprintf(stderr, "Could not open the process with PID %lu\n", dwProcessId);
        return 1;
    }
 
    if (!TerminateProcess(hProcess, 0))
    {
        fprintf(stderr, "Could not terminate the process with PID %lu\n", dwProcessId);
        CloseHandle(hProcess);
        return 1;
    }
 
    CloseHandle(hProcess);
    return 0;
}
 
int
main(int argc, char *argv[])
{
    if (argc != 2)
    {
        fprintf(stderr, "Usage: %s PID (Process ID)\n", argv[0]);
        return 1;
    }
 
    return ExecuteKill(argv[1]);
}