diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/tcdrain.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/tcdrain.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/sysdeps/unix/sysv/linux/tcdrain.c b/sysdeps/unix/sysv/linux/tcdrain.c index a7234b07f1..4868565ed1 100644 --- a/sysdeps/unix/sysv/linux/tcdrain.c +++ b/sysdeps/unix/sysv/linux/tcdrain.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. +/* 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 @@ -16,14 +16,26 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ +#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) { + 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. */ - return __ioctl (fd, TCSBRK, 1); + int result = INLINE_SYSCALL (ioctl, 3, fd, TCSBRK, 1); + + LIBC_CANCEL_RESET (oldtype); + + return result; } weak_alias (__libc_tcdrain, tcdrain) |