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- /* Copyright (C) 1995-2019 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- 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, see
- <http://www.gnu.org/licenses/>. */
- #include <errno.h>
- #include <termios.h>
- #include <sys/ioctl.h>
- #include <sysdep-cancel.h>
- /* Wait for pending output to be written on FD. */
- int
- __libc_tcdrain (int fd)
- {
- /* With an argument of 1, TCSBRK for output to be drain. */
- return SYSCALL_CANCEL (ioctl, fd, TCSBRK, 1);
- }
- weak_alias (__libc_tcdrain, tcdrain)
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