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 "io.h"
#include <string.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 "io.h"
20	#include <string.h>
21
22	int fork_server()
23	{
24	int pid;
25
26	if (pid = fork())
27	{
28	SYS_child_process_count++;
29	log_std("Child process (%d) start\n", pid);
30	return 0;
31	}
32	else if (pid < 0)
33	return -1;
34
35	if (close(socket_server) == -1)
36	{
37	log_error("Close server socket failed\n");
38	return -2;
39	}
40
41	// Redirect Input
42	close(0);
43	if (dup2(socket_client, 0) == -1)
44	{
45	log_error("Redirect stdin to client socket failed\n");
46	return -3;
47	}
48
49	// Redirect Output
50	close(1);
51	if (dup2(socket_client, 1) == -1)
52	{
53	log_error("Redirect stdout to client socket failed\n");
54	return -4;
55	}
56
57	bbs_main();
58
59	if (close(socket_client) == -1)
60	{
61	log_error("Close client socket failed\n");
62	}
63
64	// Close Input and Output for client
65	close(0);
66	close(1);
67
68	log_std("Process exit normally\n");
69
70	log_end();
71
72	// Exit child process normally
73	exit(0);
74
75	return 0;
76	}
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