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04277e02 | 1 | /* Copyright (C) 1998-2019 Free Software Foundation, Inc. |
ae1025be | 2 | This file is part of the GNU C Library. |
6591c335 | 3 | Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998. |
46d7de19 | 4 | |
ae1025be | 5 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
46d7de19 | 9 | |
ae1025be UD |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
46d7de19 | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
46d7de19 | 18 | |
6591c335 UD |
19 | #include <sys/types.h> |
20 | #include <termios.h> | |
21 | #include <unistd.h> | |
22 | #include <utmp.h> | |
23 | #include <pty.h> | |
46d7de19 | 24 | |
6591c335 | 25 | int |
f63f2bfd JM |
26 | forkpty (int *amaster, char *name, const struct termios *termp, |
27 | const struct winsize *winp) | |
6591c335 UD |
28 | { |
29 | int master, slave, pid; | |
46d7de19 | 30 | |
6591c335 UD |
31 | if (openpty (&master, &slave, name, termp, winp) == -1) |
32 | return -1; | |
33 | ||
34 | switch (pid = fork ()) | |
35 | { | |
36 | case -1: | |
00d26929 JJ |
37 | close (master); |
38 | close (slave); | |
6591c335 UD |
39 | return -1; |
40 | case 0: | |
41 | /* Child. */ | |
42 | close (master); | |
43 | if (login_tty (slave)) | |
44 | _exit (1); | |
45 | ||
46 | return 0; | |
47 | default: | |
48 | /* Parent. */ | |
49 | *amaster = master; | |
50 | close (slave); | |
51 | ||
52 | return pid; | |
53 | } | |
54 | } |