lbbs/src/fork.c

/***************************************************************************
                                                  fork.c  -  description
                                                         -------------------
        Copyright            : (C) 2004-2025 by Leaflet
        Email                : leaflet@leafok.com
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program 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; either version 3 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#include "common.h"
#include "bbs_main.h"
#include "log.h"
#include "io.h"
#include "fork.h"
#include "menu.h"
#include <stdio.h>
#include <string.h>
#include <signal.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>

int fork_server(void)
{
        int pid;

        pid = fork();

        if (pid > 0) // Parent process
        {
                SYS_child_process_count++;
                log_common("Child process (%d) start\n", pid);
                return pid;
        }
        else if (pid < 0) // Error
        {
                log_error("fork() error (%d)\n", errno);
                return -1;
        }

        // Child process
        if (close(socket_server) == -1)
        {
                log_error("Close server socket failed\n");
        }

        // Redirect Input
        close(STDIN_FILENO);
        if (dup2(socket_client, STDIN_FILENO) == -1)
        {
                log_error("Redirect stdin to client socket failed\n");
                goto cleanup;
        }

        // Redirect Output
        close(STDOUT_FILENO);
        if (dup2(socket_client, STDOUT_FILENO) == -1)
        {
                log_error("Redirect stdout to client socket failed\n");
                goto cleanup;
        }

        SYS_child_process_count = 0;

        bbs_main();

cleanup:
        // Child process exit
        SYS_server_exit = 1;

        if (close(socket_client) == -1)
        {
                log_error("Close client socket failed\n");
        }

        // Close Input and Output for client
        close(STDIN_FILENO);
        close(STDOUT_FILENO);

        log_common("Process exit normally\n");
        log_end();

        _exit(0);

        return 0;
}
1	/***************************************************************************
2	fork.c - description
3	-------------------
4	Copyright : (C) 2004-2025 by Leaflet
5	Email : leaflet@leafok.com
6	***************************************************************************/
7
8	/***************************************************************************
9	* *
10	* This program is free software; you can redistribute it and/or modify *
11	* it under the terms of the GNU General Public License as published by *
12	* the Free Software Foundation; either version 3 of the License, or *
13	* (at your option) any later version. *
14	* *
15	***************************************************************************/
16
17	#include "common.h"
18	#include "bbs_main.h"
19	#include "log.h"
20	#include "io.h"
21	#include "fork.h"
22	#include "menu.h"
23	#include <stdio.h>
24	#include <string.h>
25	#include <signal.h>
26	#include <unistd.h>
27	#include <stdlib.h>
28	#include <errno.h>
29
30	int fork_server(void)
31	{
32	int pid;
33
34	pid = fork();
35
36	if (pid > 0) // Parent process
37	{
38	SYS_child_process_count++;
39	log_common("Child process (%d) start\n", pid);
40	return pid;
41	}
42	else if (pid < 0) // Error
43	{
44	log_error("fork() error (%d)\n", errno);
45	return -1;
46	}
47
48	// Child process
49	if (close(socket_server) == -1)
50	{
51	log_error("Close server socket failed\n");
52	}
53
54	// Redirect Input
55	close(STDIN_FILENO);
56	if (dup2(socket_client, STDIN_FILENO) == -1)
57	{
58	log_error("Redirect stdin to client socket failed\n");
59	goto cleanup;
60	}
61
62	// Redirect Output
63	close(STDOUT_FILENO);
64	if (dup2(socket_client, STDOUT_FILENO) == -1)
65	{
66	log_error("Redirect stdout to client socket failed\n");
67	goto cleanup;
68	}
69
70	SYS_child_process_count = 0;
71
72	bbs_main();
73
74	cleanup:
75	// Child process exit
76	SYS_server_exit = 1;
77
78	if (close(socket_client) == -1)
79	{
80	log_error("Close client socket failed\n");
81	}
82
83	// Close Input and Output for client
84	close(STDIN_FILENO);
85	close(STDOUT_FILENO);
86
87	log_common("Process exit normally\n");
88	log_end();
89
90	_exit(0);
91
92	return 0;
93	}
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