rosapps/applications/sysutils/kill/kill.c

   1 /*
   2  *  ReactOS kill
   3  *  Copyright (C) 2003 ReactOS Team
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  */
  19 /*
  20  * COPYRIGHT:       See COPYING in the top level directory
  21  * PROJECT:         ReactOS kill.exe
  22  * FILE:            apps/utils/kill/kill.c
  23  * PURPOSE:         Kill a running Process
  24  * PROGRAMMER:      Steven Edwards (Steven_Ed4153@yahoo.com)
  25  */
  26
  27 /* Thanks to David, Capser, Eric and others for the example code
  28  * from the old shell.exe
  29  */
  30
  31 #define WIN32_LEAN_AND_MEAN     /* Exclude rarely-used stuff from Windows headers */
  32 #include <windows.h>
  33 #include <stdio.h>
  34 #include <stdlib.h>
  35
  36 int
  37 ExecuteKill(char * lpPid)
  38 {
  39         HANDLE  hProcess;
  40         DWORD   dwProcessId;
  41
  42         dwProcessId = (DWORD) atol(lpPid);
  43                 fprintf( stderr, "Killing PID %ld...\n",dwProcessId);
  44         hProcess = OpenProcess(
  45                         PROCESS_TERMINATE,
  46                         FALSE,
  47                         dwProcessId
  48                         );
  49         if (NULL == hProcess)
  50         {
  51                 fprintf( stderr, "Could not open the process with PID = %ld\n", dwProcessId);
  52                 return 0;
  53         }
  54         if (FALSE == TerminateProcess(
  55                         hProcess,
  56                         0
  57                         )
  58         ) {
  59                 fprintf( stderr, "Could not terminate the process with PID = %ld\n",    dwProcessId);
  60                 return 0;
  61         }
  62         CloseHandle(hProcess);
  63         return 0;
  64 }
  65
  66 int main(int argc, char *argv[])
  67 {
  68   char tail;
  69   DBG_UNREFERENCED_LOCAL_VARIABLE(tail);
  70
  71   if (argc < 2)
  72   {
  73       fprintf( stderr, "Usage: %s PID (Process ID) \n", argv[0] );
  74       return 1;
  75   }
  76   tail = ExecuteKill(argv[1]);
  77   return 0;
  78 }