/* Copyright (C) 1995, 1996, 1997, 2002 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 . */ #include #include #include #ifdef __UCLIBC_HAS_THREADS_NATIVE__ #include #endif libc_hidden_proto(ioctl) extern __typeof(tcdrain) __libc_tcdrain; /* Wait for pending output to be written on FD. */ int __libc_tcdrain (int fd) { #ifdef __UCLIBC_HAS_THREADS_NATIVE__ if (SINGLE_THREAD_P) /* With an argument of 1, TCSBRK for output to be drain. */ return INLINE_SYSCALL (ioctl, 3, fd, TCSBRK, 1); int oldtype = LIBC_CANCEL_ASYNC (); /* With an argument of 1, TCSBRK for output to be drain. */ int result = INLINE_SYSCALL (ioctl, 3, fd, TCSBRK, 1); LIBC_CANCEL_RESET (oldtype); return result; #else return ioctl(fd, TCSBRK, 1); #endif } weak_alias(__libc_tcdrain,tcdrain)