blob: 8ab035e61d58520444803a82651d295b453e1a69 (
plain)
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
|
/*
* This file is part of OpenTTD.
* OpenTTD 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, version 2.
* OpenTTD 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 OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file dedicated.cpp Forking support for dedicated servers. */
#include "stdafx.h"
char *_log_file = nullptr; ///< File to reroute output of a forked OpenTTD to
FILE *_log_fd = nullptr; ///< File to reroute output of a forked OpenTTD to
#if defined(UNIX)
#include <unistd.h>
#include "safeguards.h"
#if defined(SUNOS) && !defined(_LP64) && !defined(_I32LPx)
/* Solaris has, in certain situation, pid_t defined as long, while in other
* cases it has it defined as int... this handles all cases nicely.
*/
# define PRINTF_PID_T "%ld"
#else
# define PRINTF_PID_T "%d"
#endif
void DedicatedFork()
{
/* Fork the program */
pid_t pid = fork();
switch (pid) {
case -1:
perror("Unable to fork");
exit(1);
case 0: { // We're the child
/* Open the log-file to log all stuff too */
_log_fd = fopen(_log_file, "a");
if (_log_fd == nullptr) {
perror("Unable to open logfile");
exit(1);
}
/* Redirect stdout and stderr to log-file */
if (dup2(fileno(_log_fd), fileno(stdout)) == -1) {
perror("Rerouting stdout");
exit(1);
}
if (dup2(fileno(_log_fd), fileno(stderr)) == -1) {
perror("Rerouting stderr");
exit(1);
}
break;
}
default:
/* We're the parent */
printf("Loading dedicated server...\n");
printf(" - Forked to background with pid " PRINTF_PID_T "\n", pid);
exit(0);
}
}
#endif
|
