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 | |
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7 | This file is part of GVPE. |
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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 | |
… | |
… | |
50 | |
52 | |
51 | pid = check_pid (conf.pidfilename); |
53 | pid = check_pid (conf.pidfilename); |
52 | |
54 | |
53 | if (pid) |
55 | if (pid) |
54 | { |
56 | { |
55 | fprintf (stderr, _("A vped is already running with pid %d.\n"), pid); |
57 | fprintf (stderr, _("A gvpe daemon is already running with pid %d.\n"), pid); |
56 | return 1; |
58 | return 1; |
57 | } |
59 | } |
58 | |
60 | |
59 | /* if it's locked, write-protected, or whatever */ |
61 | /* if it's locked, write-protected, or whatever */ |
60 | if (!write_pid (conf.pidfilename)) |
62 | if (!write_pid (conf.pidfilename)) |
… | |
… | |
70 | |
72 | |
71 | pid = read_pid (conf.pidfilename); |
73 | pid = read_pid (conf.pidfilename); |
72 | |
74 | |
73 | if (!pid) |
75 | if (!pid) |
74 | { |
76 | { |
75 | fprintf (stderr, _("No other vped is running.\n")); |
77 | fprintf (stderr, _("No other gvpe daemon is running.\n")); |
76 | return 1; |
78 | return 1; |
77 | } |
79 | } |
78 | |
80 | |
79 | errno = 0; /* No error, sometimes errno is only changed on error */ |
81 | errno = 0; /* No error, sometimes errno is only changed on error */ |
80 | |
82 | |
81 | /* ESRCH is returned when no process with that pid is found */ |
83 | /* ESRCH is returned when no process with that pid is found */ |
82 | if (kill (pid, signal) && errno == ESRCH) |
84 | if (kill (pid, signal) && errno == ESRCH) |
83 | { |
85 | { |
84 | fprintf (stderr, _("The vped is no longer running. ")); |
86 | fprintf (stderr, _("The gvpe daemon is no longer running. ")); |
85 | |
87 | |
86 | fprintf (stderr, _("Removing stale lock file.\n")); |
88 | fprintf (stderr, _("Removing stale lock file.\n")); |
87 | remove_pid (conf.pidfilename); |
89 | remove_pid (conf.pidfilename); |
88 | } |
90 | } |
89 | |
91 | |
… | |
… | |
120 | log_to (LOGTO_SYSLOG); |
122 | log_to (LOGTO_SYSLOG); |
121 | } |
123 | } |
122 | else |
124 | else |
123 | log_to (LOGTO_SYSLOG | LOGTO_STDERR); |
125 | log_to (LOGTO_SYSLOG | LOGTO_STDERR); |
124 | |
126 | |
125 | slog (L_INFO, _("vped %s (%s %s) starting"), VERSION, __DATE__, __TIME__); |
127 | slog (L_INFO, _("gvpe daemon %s (%s %s) starting"), VERSION, __DATE__, __TIME__); |
126 | |
128 | |
127 | return 0; |
129 | return 0; |
128 | } |
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129 | |
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130 | void |
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131 | make_names (void) |
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132 | { |
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133 | if (!conf.pidfilename) |
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134 | conf.pidfilename = strdup (LOCALSTATEDIR "/run/vped.pid"); |
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135 | |
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136 | if (!confbase) |
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137 | asprintf (&confbase, "%s/vpe", CONFDIR); |
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138 | } |
130 | } |
139 | |
131 | |
140 | void run_script (const run_script_cb &cb, bool wait) |
132 | void run_script (const run_script_cb &cb, bool wait) |
141 | { |
133 | { |
142 | int pid; |
134 | int pid; |