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
23	fork_server ()
24	{
25	int pid;
26
27	if (pid = fork ())
28	{
29	SYS_child_process_count ++;
30	log_std ("Child process (%d) start\n", pid);
31	return 0;
32	}
33	else if (pid < 0)
34	return -1;
35
36
37	if (close (socket_server) == -1)
38	{
39	log_error ("Close server socket failed\n");
40	return -2;
41	}
42
43	//Redirect Input
44	close (0);
45	if (dup2 (socket_client, 0) == -1)
46	{
47	log_error ("Redirect stdin to client socket failed\n");
48	return -3;
49	}
50
51	//Redirect Output
52	close (1);
53	if (dup2 (socket_client, 1) == -1)
54	{
55	log_error ("Redirect stdout to client socket failed\n");
56	return -4;
57	}
58
59	bbs_main ();
60
61	if (close (socket_client) == -1)
62	{
63	log_error ("Close client socket failed\n");
64	}
65
66	//Close Input and Output for client
67	close (0);
68	close (1);
69
70	log_std ("Process exit normally\n");
71
72	log_end ();
73
74	//Exit child process normally
75	exit (0);
76
77	return 0;
78	}
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