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	sysadm	1.1	/***************************************************************************
2	sysadm	1.12	fork.c - description
3			-------------------
4			begin : Mon Oct 18 2004
5			copyright : (C) 2004 by Leaflet
6			email : leaflet@leafok.com
7	sysadm	1.1	***************************************************************************/
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	sysadm	1.2	#include "common.h"
19	sysadm	1.13	#include "bbs_main.h"
20			#include "log.h"
21	sysadm	1.7	#include "io.h"
22	sysadm	1.13	#include "fork.h"
23	sysadm	1.7	#include <string.h>
24	sysadm	1.13	#include <unistd.h>
25			#include <stdlib.h>
26	sysadm	1.3
27	sysadm	1.12	int fork_server()
28	sysadm	1.3	{
29	sysadm	1.12	int pid;
30	sysadm	1.10
31	sysadm	1.12	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	sysadm	1.9
73	sysadm	1.12	log_std("Process exit normally\n");
74	sysadm	1.11
75	sysadm	1.12	log_end();
76	sysadm	1.3
77	sysadm	1.12	// Exit child process normally
78			exit(0);
79	sysadm	1.3
80	sysadm	1.12	return 0;
81	sysadm	1.3	}
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