lbbs/src/fork.c

/***************************************************************************
                                                  fork.c  -  description
                                                         -------------------
        begin                : Mon Oct 18 2004
        copyright            : (C) 2004 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 2 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 <string.h>
#include <unistd.h>
#include <stdlib.h>

int fork_server()
{
        int pid;

        if (pid = fork())
        {
                SYS_child_process_count++;
                log_std("Child process (%d) start\n", pid);
                return 0;
        }
        else if (pid < 0)
                return -1;

        if (close(socket_server) == -1)
        {
                log_error("Close server socket failed\n");
                return -2;
        }

        // Redirect Input
        close(0);
        if (dup2(socket_client, 0) == -1)
        {
                log_error("Redirect stdin to client socket failed\n");
                return -3;
        }

        // Redirect Output
        close(1);
        if (dup2(socket_client, 1) == -1)
        {
                log_error("Redirect stdout to client socket failed\n");
                return -4;
        }

        bbs_main();

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

        // Close Input and Output for client
        close(0);
        close(1);

        log_std("Process exit normally\n");

        log_end();

        // Exit child process normally
        exit(0);

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