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
|
/*
* main.c
* (c) 2019, Jonas Gunz, jonasgunz.de
* <Description>
* License: MIT
*/
#include "main.h"
int main(int argc, char* argv[])
{
log_init_stdout(_LOG_DEBUG);
signal(SIGCHLD,SIG_IGN); //Ignore sigchld
struct prog_params params = parse_args(argc, argv);
//Fork and write PID to pidfile
if(params.fork)
{
FILE* pidfile = fopen(params.pidfile, "w");
if(!pidfile)
{
LOGPRINTF(_LOG_ERROR,"Unable to open pidfile\n");
exit(1);
}
pid_t pid = fork();
if(pid < 0)
{
LOGPRINTF(_LOG_ERROR,"fork failed\n");
exit(1);
}
else if(pid > 0)
{
fprintf(pidfile, "%i", pid);
LOGPRINTF(_LOG_INFO,"Forked with PID %i\n\n", pid);
fclose (pidfile);
exit(0);
}
fclose (pidfile);
//Close STDIO
close (STDIN_FILENO);
close (STDOUT_FILENO);
close (STDERR_FILENO);
}//if params.fork
LOGPRINTF(_LOG_DEBUG, "%s, %i\n", params.run_argv[0], params.run_argc);
if ( params.serial )
dialup_server(params);
else if (params.telnet)
telnet_server(params);
return 0;
}
|