From b1f07180b5e7897f07e390e020b307e6496c9cb1 Mon Sep 17 00:00:00 2001 From: Jeff Johnston Date: Tue, 28 May 2002 22:26:36 +0000 Subject: 2002-05-28 Jeff Johnston * libc/sys/linux/Makefile.am: Add support for cfspeed.c and tcsendbrk.c. * libc/sys/linux/Makefile.in: Regenerated. * libc/sys/linux/termios.c: Add tcflow(), tcflush(), tcgetpgrp(), and tcsetpgrp() functions. * libc/sys/linux/sys/termios.h: Add include of machine/termios.h to get __MAX_BAUD rate. * libc/sys/linux/machine/i386/include/termios.h: New file. * libc/include/machine/termios.h: Ditto. * libc/sys/linux/cfspeed.c: Ditto. * libc/sys/linux/tcsendbrk.c: Ditto. --- newlib/libc/sys/linux/tcsendbrk.c | 45 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 newlib/libc/sys/linux/tcsendbrk.c (limited to 'newlib/libc/sys/linux/tcsendbrk.c') diff --git a/newlib/libc/sys/linux/tcsendbrk.c b/newlib/libc/sys/linux/tcsendbrk.c new file mode 100644 index 000000000..a35a4d8ce --- /dev/null +++ b/newlib/libc/sys/linux/tcsendbrk.c @@ -0,0 +1,45 @@ +/* Copyright (C) 1992, 1996, 1997 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* Modified for newlib, May 27, 2002, by Jeff Johnston */ + +#include +#include +#include +#include +#include +#include + +/* Send zero bits on FD. */ +int +tcsendbreak (fd, duration) + int fd; + int duration; +{ + /* The break lasts 0.25 to 0.5 seconds if DURATION is zero, + and an implementation-defined period if DURATION is nonzero. + We define a positive DURATION to be number of milliseconds to break. */ + if (duration <= 0) + return ioctl (fd, TCSBRK, 0); + + /* ioctl can't send a break of any other duration for us. + This could be changed to use trickery (e.g. lower speed and + send a '\0') to send the break, but for now just return an error. */ + errno = (EINVAL); + return -1; +} -- cgit v1.2.3