1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
/*
** Zabbix
** Copyright (C) 2000,2001,2002,2003,2004 Alexei Vladishev
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
**/
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <syslog.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <time.h>
#include "log.h"
#include "common.h"
int create_pid_file(const char *pidfile)
{
FILE *f;
/* Check if PID file already exists */
f = fopen(pidfile, "r");
if(f != NULL)
{
fprintf(stderr, "File [%s] exists. Is this process already running ?\n",
pidfile);
zabbix_log( LOG_LEVEL_CRIT, "File [%s] exists. Is this process already running ?",
pidfile);
if(fclose(f) != 0)
{
fprintf(stderr, "Cannot close file [%s] [%m]", pidfile);
zabbix_log( LOG_LEVEL_WARNING, "Cannot close file [%s] [%m]",
pidfile);
}
return FAIL;
}
f = fopen(pidfile, "w");
if( f == NULL)
{
fprintf(stderr, "Cannot create PID file [%s] [%m]\n",
pidfile);
zabbix_log( LOG_LEVEL_CRIT, "Cannot create PID file [%s] [%m]",
pidfile);
return FAIL;
}
fprintf(f,"%d",(int)getpid());
if(fclose(f) != 0)
{
fprintf(stderr, "Cannot close file [%s] [%m]", pidfile);
zabbix_log( LOG_LEVEL_WARNING, "Cannot close file [%s] [%m]",
pidfile);
}
return SUCCEED;
}
|
