source: trunk/kernel/ksh/kill.c @ 1

Last change on this file since 1 was 1, checked in by alain, 5 years ago

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1/*
2   This file is part of MutekP.
3 
4   MutekP is free software; you can redistribute it and/or modify it
5   under the terms of the GNU General Public License as published by
6   the Free Software Foundation; either version 2 of the License, or
7   (at your option) any later version.
8 
9   MutekP is distributed in the hope that it will be useful, but
10   WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12   General Public License for more details.
13 
14   You should have received a copy of the GNU General Public License
15   along with MutekP; if not, write to the Free Software Foundation,
16   Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
17 
18   UPMC / LIP6 / SOC (c) 2008
19   Copyright Ghassan Almaless <ghassan.almaless@gmail.com>
20*/
21
22#include <kminiShell.h>
23#include <list.h>
24#include <thread.h>
25#include <task.h>
26#include <signal.h>
27
28error_t kill_func(void *param)
29{
30  ms_args_t *args;
31  uint32_t argc;
32  uint_t sig;
33  pid_t pid;
34  cid_t location;
35  error_t err;
36
37  args  = (ms_args_t *) param;
38  argc = args->argc;
39  err = 0;
40
41  if(argc != 3)
42  {
43    ksh_print("Missing signal number or process pid\n");
44    return EINVAL;
45  }
46
47  sig = atoi(args->argv[1]);
48  pid = atoi(args->argv[2]);
49
50  if((sig == 0)  || (sig >= SIG_NR))
51  {
52    ksh_print("Unknown signal number: %d\n", sig);
53    return EINVAL;
54  }
55
56  location = task_whereis(pid);
57
58  if((err = signal_rise(pid, location, sig)))
59    ksh_print("Failed to rise signal %d on task %d\n", sig, pid);
60
61  return err;
62}
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