/* $Id$ */ /* * 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" #ifdef ENABLE_NETWORK char *_log_file = NULL; ///< File to reroute output of a forked OpenTTD to FILE *_log_fd = NULL; ///< File to reroute output of a forked OpenTTD to #if defined(UNIX) && !defined(__MORPHOS__) #include <unistd.h> #include "safeguards.h" #if (defined(SUNOS) && !defined(_LP64) && !defined(_I32LPx)) || defined(__HAIKU__) /* 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. * Haiku has also defined pid_t as a long. */ # 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 == NULL) { 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 #else /** Empty helper function call for NOT(UNIX and not MORPHOS) systems */ void DedicatedFork() {} #endif /* ENABLE_NETWORK */