| 1 | /* |
1 | /* |
| 2 | util.C -- process management and other utility functions |
2 | util.C -- process management and other utility functions |
| 3 | Copyright (C) 2003 Marc Lehmann <pcg@goof.com> |
3 | Copyright (C) 2003-2005 Marc Lehmann <gvpe@schmorp.de> |
| 4 | |
4 | |
| 5 | Some of these are taken from tinc, see the AUTHORS file. |
5 | Some of these are taken from tinc, see the AUTHORS file. |
| 6 | |
6 | |
|
|
7 | This file is part of GVPE. |
|
|
8 | |
| 7 | This program is free software; you can redistribute it and/or modify |
9 | GVPE is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
10 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 2 of the License, or |
11 | the Free Software Foundation; either version 2 of the License, or |
| 10 | (at your option) any later version. |
12 | (at your option) any later version. |
| 11 | |
13 | |
| 12 | This program is distributed in the hope that it will be useful, |
14 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
17 | GNU General Public License for more details. |
| 16 | |
18 | |
| 17 | You should have received a copy of the GNU General Public License |
19 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
20 | along with gvpe; if not, write to the Free Software |
| 19 | Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
21 | Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 20 | */ |
22 | */ |
| 21 | |
23 | |
| 22 | #include "config.h" |
24 | #include "config.h" |
| 23 | |
25 | |
| … | |
… | |
| 32 | #include <unistd.h> |
34 | #include <unistd.h> |
| 33 | #include <time.h> |
35 | #include <time.h> |
| 34 | |
36 | |
| 35 | #include "netcompat.h" |
37 | #include "netcompat.h" |
| 36 | |
38 | |
| 37 | #include "gettext.h" |
|
|
| 38 | #include "pidfile.h" |
39 | #include "pidfile.h" |
| 39 | #include "dropin.h" |
40 | #include "dropin.h" |
| 40 | |
41 | |
| 41 | #include "global.h" |
42 | #include "global.h" |
| 42 | #include "conf.h" |
43 | #include "conf.h" |
| … | |
… | |
| 50 | |
51 | |
| 51 | pid = check_pid (conf.pidfilename); |
52 | pid = check_pid (conf.pidfilename); |
| 52 | |
53 | |
| 53 | if (pid) |
54 | if (pid) |
| 54 | { |
55 | { |
| 55 | fprintf (stderr, _("A vped is already running with pid %d.\n"), pid); |
56 | fprintf (stderr, _("A gvpe daemon is already running with pid %d.\n"), pid); |
| 56 | return 1; |
57 | return 1; |
| 57 | } |
58 | } |
| 58 | |
59 | |
| 59 | /* if it's locked, write-protected, or whatever */ |
60 | /* if it's locked, write-protected, or whatever */ |
| 60 | if (!write_pid (conf.pidfilename)) |
61 | if (!write_pid (conf.pidfilename)) |
| … | |
… | |
| 70 | |
71 | |
| 71 | pid = read_pid (conf.pidfilename); |
72 | pid = read_pid (conf.pidfilename); |
| 72 | |
73 | |
| 73 | if (!pid) |
74 | if (!pid) |
| 74 | { |
75 | { |
| 75 | fprintf (stderr, _("No other vped is running.\n")); |
76 | fprintf (stderr, _("No other gvpe daemon is running.\n")); |
| 76 | return 1; |
77 | return 1; |
| 77 | } |
78 | } |
| 78 | |
79 | |
| 79 | errno = 0; /* No error, sometimes errno is only changed on error */ |
80 | errno = 0; /* No error, sometimes errno is only changed on error */ |
| 80 | |
81 | |
| 81 | /* ESRCH is returned when no process with that pid is found */ |
82 | /* ESRCH is returned when no process with that pid is found */ |
| 82 | if (kill (pid, signal) && errno == ESRCH) |
83 | if (kill (pid, signal) && errno == ESRCH) |
| 83 | { |
84 | { |
| 84 | fprintf (stderr, _("The vped is no longer running. ")); |
85 | fprintf (stderr, _("The gvpe daemon is no longer running. ")); |
| 85 | |
86 | |
| 86 | fprintf (stderr, _("Removing stale lock file.\n")); |
87 | fprintf (stderr, _("Removing stale lock file.\n")); |
| 87 | remove_pid (conf.pidfilename); |
88 | remove_pid (conf.pidfilename); |
| 88 | } |
89 | } |
| 89 | |
90 | |
| … | |
… | |
| 120 | log_to (LOGTO_SYSLOG); |
121 | log_to (LOGTO_SYSLOG); |
| 121 | } |
122 | } |
| 122 | else |
123 | else |
| 123 | log_to (LOGTO_SYSLOG | LOGTO_STDERR); |
124 | log_to (LOGTO_SYSLOG | LOGTO_STDERR); |
| 124 | |
125 | |
| 125 | slog (L_INFO, _("vped %s (%s %s) starting"), VERSION, __DATE__, __TIME__); |
126 | slog (L_INFO, _("gvpe daemon %s (%s %s) starting"), VERSION, __DATE__, __TIME__); |
| 126 | |
127 | |
| 127 | return 0; |
128 | return 0; |
| 128 | } |
129 | } |
| 129 | |
130 | |
| 130 | void run_script (const run_script_cb &cb, bool wait) |
131 | void run_script (const run_script_cb &cb, bool wait) |
