mirror of https://github.com/OpenTTD/OpenTTD.git
70 lines
1.4 KiB
C++
70 lines
1.4 KiB
C++
/* $Id$ */
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/** @file dedicated.cpp Forking support for dedicated servers. */
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#include "stdafx.h"
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#ifdef ENABLE_NETWORK
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#if defined(UNIX) && !defined(__MORPHOS__)
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#include "openttd.h"
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#include "variables.h"
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#include <sys/types.h>
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#include <unistd.h>
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#if defined(SUNOS) && !defined(_LP64) && !defined(_I32LPx)
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/* Solaris has, in certain situation, pid_t defined as long, while in other
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* cases it has it defined as int... this handles all cases nicely. */
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# define PRINTF_PID_T "%ld"
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#else
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# define PRINTF_PID_T "%d"
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#endif
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void DedicatedFork()
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{
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/* Fork the program */
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pid_t pid = fork();
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switch (pid) {
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case -1:
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perror("Unable to fork");
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exit(1);
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case 0: { // We're the child
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FILE *f;
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/* Open the log-file to log all stuff too */
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f = fopen(_log_file, "a");
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if (f == NULL) {
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perror("Unable to open logfile");
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exit(1);
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}
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/* Redirect stdout and stderr to log-file */
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if (dup2(fileno(f), fileno(stdout)) == -1) {
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perror("Rerouting stdout");
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exit(1);
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}
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if (dup2(fileno(f), fileno(stderr)) == -1) {
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perror("Rerouting stderr");
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exit(1);
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}
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break;
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}
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default:
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/* We're the parent */
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printf("Loading dedicated server...\n");
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printf(" - Forked to background with pid " PRINTF_PID_T "\n", pid);
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exit(0);
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}
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}
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#endif
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#else
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/** Empty helper function call for NOT(UNIX and not MORPHOS) systems */
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void DedicatedFork() {}
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#endif /* ENABLE_NETWORK */
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