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8f480b4b | 1 | /* Copyright (C) 1992, 1996, 1997, 2005 Free Software Foundation, Inc. |
478b92f0 | 2 | This file is part of the GNU C Library. |
28f540f4 | 3 | |
478b92f0 | 4 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
28f540f4 | 8 | |
478b92f0 UD |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
28f540f4 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
28f540f4 | 17 | |
28f540f4 RM |
18 | #include <errno.h> |
19 | #include <stddef.h> | |
20 | #include <termios.h> | |
21 | #include <unistd.h> | |
22 | #include <sys/ioctl.h> | |
23 | ||
8f480b4b | 24 | #include <sysv_termio.h> |
28f540f4 RM |
25 | |
26 | /* Suspend or restart transmission on FD. */ | |
27 | int | |
c4029823 UD |
28 | tcflow (fd, action) |
29 | int fd; | |
30 | int action; | |
28f540f4 RM |
31 | { |
32 | switch (action) | |
33 | { | |
34 | case TCOOFF: | |
35 | return __ioctl (fd, _TCXONC, 0); | |
36 | case TCOON: | |
37 | return __ioctl (fd, _TCXONC, 1); | |
38 | case TCIOFF: | |
39 | return __ioctl (fd, _TCXONC, 2); | |
40 | case TCION: | |
41 | return __ioctl (fd, _TCXONC, 3); | |
42 | default: | |
c4029823 | 43 | __set_errno (EINVAL); |
28f540f4 RM |
44 | return -1; |
45 | } | |
46 | } |