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/***************************************************************************
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fork.c - description
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-------------------
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Copyright : (C) 2004-2025 by Leaflet
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Email : leaflet@leafok.com
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 3 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include "common.h"
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#include "bbs_main.h"
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#include "log.h"
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#include "io.h"
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#include "fork.h"
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <errno.h>
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int fork_server()
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{
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int pid;
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pid = fork();
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if (pid > 0) // Parent process
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{
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SYS_child_process_count++;
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log_std("Child process (%d) start\n", pid);
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return 0;
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}
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else if (pid < 0) // Error
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{
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log_error("fork() error (%d)\n", errno);
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return -1;
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}
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// Child process
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if (close(socket_server) == -1)
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{
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log_error("Close server socket failed\n");
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return -2;
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}
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// Redirect Input
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close(STDIN_FILENO);
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if (dup2(socket_client, STDIN_FILENO) == -1)
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{
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log_error("Redirect stdin to client socket failed\n");
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return -3;
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}
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// Redirect Output
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close(STDOUT_FILENO);
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if (dup2(socket_client, STDOUT_FILENO) == -1)
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{
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log_error("Redirect stdout to client socket failed\n");
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return -4;
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}
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bbs_main();
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if (close(socket_client) == -1)
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{
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log_error("Close client socket failed\n");
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}
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// Close Input and Output for client
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close(STDIN_FILENO);
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close(STDOUT_FILENO);
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log_std("Process exit normally\n");
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log_end();
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// Exit child process normally
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exit(0);
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return 0;
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}
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