1 files changed, 53 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/bsd/tcsendbrk.c b/REORG.TODO/sysdeps/unix/bsd/tcsendbrk.c
new file mode 100644
index 0000000000..f074c7a065
--- /dev/null
+++ b/REORG.TODO/sysdeps/unix/bsd/tcsendbrk.c
@@ -0,0 +1,53 @@
+/* Copyright (C) 1991-2017 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 <stddef.h>
+#include <signal.h>
+#include <termios.h>
+#include <unistd.h>
+#include "bsdtty.h"
+#include <sys/file.h>
+#include <sys/time.h>
+#include <sys/types.h>
+
+/* Send zero bits on FD.  */
+int
+tcsendbreak (int fd, int duration)
+{
+  struct timeval delay;
+
+  /* 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 microseconds to break.  */
+  if (duration <= 0)
+    duration = 400000;
+
+  delay.tv_sec = 0;
+  delay.tv_usec = duration;
+
+  /* Starting sending break.  */
+  if (__ioctl (fd, TIOCSBRK, (void *) NULL) < 0)
+    return -1;
+
+  /* Wait DURATION microseconds.  */
+  (void) __select (0, (fd_set *) NULL, (fd_set *) NULL, (fd_set *) NULL,
+		   &delay);
+
+  /* Turn off the break.  */
+  return __ioctl (fd, TIOCCBRK, (void *) NULL);
+}