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 
34 #include <stdio.h>
35 #include <stdlib.h>
36 
37 int
38 ExecuteKill(const char *lpPid)
39 {
40     HANDLE hProcess;
41     DWORD dwProcessId;
42 
43     dwProcessId = strtoul(lpPid, NULL, 10);
44     fprintf(stderr, "Killing the process with PID %lu...\n", dwProcessId);
45 
46     hProcess = OpenProcess(PROCESS_TERMINATE, FALSE, dwProcessId);
47     if (hProcess == NULL)
48     {
49         fprintf(stderr, "Could not open the process with PID %lu\n", dwProcessId);
50         return 1;
51     }
52 
53     if (!TerminateProcess(hProcess, 0))
54     {
55         fprintf(stderr, "Could not terminate the process with PID %lu\n", dwProcessId);
56         CloseHandle(hProcess);
57         return 1;
58     }
59 
60     CloseHandle(hProcess);
61     return 0;
62 }
63 
64 int
65 main(int argc, char *argv[])
66 {
67     if (argc != 2)
68     {
69         fprintf(stderr, "Usage: %s PID (Process ID)\n", argv[0]);
70         return 1;
71     }
72 
73     return ExecuteKill(argv[1]);
74 }
75