| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* Copyright (C) 1995, 1996, 1997, 2002 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | |
| 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. |
| 8 | |
| 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. |
| 13 | |
| 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. */ |
| 18 | |
| 19 | #include <errno.h> |
| 20 | #include <termios.h> |
| 21 | #include <sys/ioctl.h> |
| 22 | #ifdef __UCLIBC_HAS_THREADS_NATIVE__ |
| 23 | #include <sysdep-cancel.h> |
| 24 | #endif |
| 25 | |
| 26 | libc_hidden_proto(ioctl) |
| 27 | |
| 28 | extern __typeof(tcdrain) __libc_tcdrain; |
| 29 | /* Wait for pending output to be written on FD. */ |
| 30 | int __libc_tcdrain (int fd) |
| 31 | { |
| 32 | #ifdef __UCLIBC_HAS_THREADS_NATIVE__ |
| 33 | if (SINGLE_THREAD_P) |
| 34 | /* With an argument of 1, TCSBRK for output to be drain. */ |
| 35 | return INLINE_SYSCALL (ioctl, 3, fd, TCSBRK, 1); |
| 36 | |
| 37 | int oldtype = LIBC_CANCEL_ASYNC (); |
| 38 | |
| 39 | /* With an argument of 1, TCSBRK for output to be drain. */ |
| 40 | int result = INLINE_SYSCALL (ioctl, 3, fd, TCSBRK, 1); |
| 41 | |
| 42 | LIBC_CANCEL_RESET (oldtype); |
| 43 | |
| 44 | return result; |
| 45 | #else |
| 46 | return ioctl(fd, TCSBRK, 1); |
| 47 | #endif |
| 48 | } |
| 49 | weak_alias(__libc_tcdrain,tcdrain) |