OpenTTD-patches/src/dedicated.cpp

68 lines
1.4 KiB
C++

/* $Id$ */
/** @file dedicated.cpp Forking support for dedicated servers. */
#include "stdafx.h"
#ifdef ENABLE_NETWORK
#if defined(UNIX) && !defined(__MORPHOS__)
#include "variables.h"
#include <unistd.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
FILE *f;
/* Open the log-file to log all stuff too */
f = fopen(_log_file, "a");
if (f == NULL) {
perror("Unable to open logfile");
exit(1);
}
/* Redirect stdout and stderr to log-file */
if (dup2(fileno(f), fileno(stdout)) == -1) {
perror("Rerouting stdout");
exit(1);
}
if (dup2(fileno(f), 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
#else
/** Empty helper function call for NOT(UNIX and not MORPHOS) systems */
void DedicatedFork() {}
#endif /* ENABLE_NETWORK */