(__sched_cpucount): Allow using special instruction for counting bits.
[glibc.git] / termios / tcflow.c
blobf4db981f285812ddde8ed14f04727c143ca2ee40
1 /* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
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.
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
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 02111-1307 USA. */
19 #include <errno.h>
20 #include <termios.h>
22 /* Suspend or restart transmission on FD. */
23 int
24 tcflow (fd, action)
25 int fd;
26 int action;
28 if (fd < 0)
30 __set_errno (EBADF);
31 return -1;
34 switch (action)
36 case TCOOFF:
37 case TCOON:
38 case TCIOFF:
39 case TCION:
40 break;
42 default:
43 __set_errno (EINVAL);
44 return -1;
47 __set_errno (ENOSYS);
48 return -1;
52 stub_warning (tcflow)
53 #include <stub-tag.h>