# dedicated.cpp

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    00001 /* $Id: dedicated.cpp 9568 2007-04-06 04:10:19Z belugas $ */
    00002
    00005 #include "stdafx.h"
    00006
    00007 #ifdef ENABLE_NETWORK
    00008
    00009 #if defined(UNIX) && !defined(__MORPHOS__)
    00010
    00011 #include "openttd.h"
    00012 #include "variables.h"
    00013
    00014 #include <sys/types.h>
    00015 #include <unistd.h>
    00016
    00017 #if defined(SUNOS) && !defined(_LP64) && !defined(_I32LPx)
    00018 /* Solaris has, in certain situation, pid_t defined as long, while in other
    00019  *  cases it has it defined as int... this handles all cases nicely. */
    00020 # define PRINTF_PID_T "%ld"
    00021 #else
    00022 # define PRINTF_PID_T "%d"
    00023 #endif
    00024
    00025 void DedicatedFork()
    00026 {
    00027   /* Fork the program */
    00028   pid_t pid = fork();
    00029   switch (pid) {
    00030     case -1:
    00031       perror("Unable to fork");
    00032       exit(1);
    00033
    00034     case 0: { // We're the child
    00035       FILE* f;
    00036
    00037       /* Open the log-file to log all stuff too */
    00038       f = fopen(_log_file, "a");
    00039       if (f == NULL) {
    00040         perror("Unable to open logfile");
    00041         exit(1);
    00042       }
    00043       /* Redirect stdout and stderr to log-file */
    00044       if (dup2(fileno(f), fileno(stdout)) == -1) {
    00045         perror("Rerouting stdout");
    00046         exit(1);
    00047       }
    00048       if (dup2(fileno(f), fileno(stderr)) == -1) {
    00049         perror("Rerouting stderr");
    00050         exit(1);
    00051       }
    00052       break;
    00053     }
    00054
    00055     default:
    00056       /* We're the parent */
    00057       printf("Loading dedicated server...\n");
    00058       printf("  - Forked to background with pid " PRINTF_PID_T "\n", pid);
    00059       exit(0);
    00060   }
    00061 }
    00062 #endif
    00063
    00064 #else
    00065
    00067 void DedicatedFork() {}
    00068
    00069 #endif /* ENABLE_NETWORK */