1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
/* Copyright (C) 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <sys/types.h>
#include <termios.h>
#include <unistd.h>
#include <utmp.h>
#include <pty.h>
libutil_hidden_proto(openpty)
libutil_hidden_proto(login_tty)
int
forkpty (amaster, name, termp, winp)
int *amaster;
char *name;
struct termios *termp;
struct winsize *winp;
{
int master, slave, pid;
if (openpty (&master, &slave, name, termp, winp) == -1)
return -1;
switch (pid = fork ())
{
case -1:
return -1;
case 0:
/* Child. */
close (master);
if (login_tty (slave))
_exit (1);
return 0;
default:
/* Parent. */
*amaster = master;
close (slave);
return pid;
}
}
|
