[PATCH 045/114] Add syscalls related to tty operations for Phoenix.

[Jakub Sejdak]

From: Kuba Sejdak <jakub.sejdak@phoesys.com>

---
 newlib/libc/sys/phoenix/tty.c | 119 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 119 insertions(+)
 create mode 100644 newlib/libc/sys/phoenix/tty.c

diff --git a/newlib/libc/sys/phoenix/tty.c b/newlib/libc/sys/phoenix/tty.c
new file mode 100644
index 0000000..f86ff34
--- /dev/null
+++ b/newlib/libc/sys/phoenix/tty.c
@@ -0,0 +1,119 @@
+/* Copyright (C) 2012-2016 Phoenix Systems (http://www.phoesys.com/).
+   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.  */
+
+#include "syscall.h"
+
+#include <errno.h>
+#include <sys/ioctl.h>
+#include <sys/termios.h>
+
+int _isatty(int fd)
+{
+	int ret = syscall1(int, SYS_ISATTY, fd);
+	if (ret < 0) {
+		errno = -ret;
+		return -1;
+	}
+
+	return ret;
+}
+
+int tcgetattr(int fd, struct termios *termios_p)
+{
+	int ret = ioctl(fd, TCGETS, termios_p);
+	if (ret < 0) {
+		errno = -ret;
+		return -1; 
+	}
+
+	return ret;
+}
+
+int tcsetattr(int fd, int mode, const struct termios *termios_p)
+{
+	int cmd;
+	switch (mode) {
+		case TCSANOW:
+			cmd = TCSETS;
+			break;
+		case TCSADRAIN:
+			cmd = TCSETSW;
+			break;
+		case TCSAFLUSH:
+			cmd = TCSETSF;
+			break;
+		default:
+			errno = EINVAL;
+			return -1;
+	}
+
+	int ret = ioctl(fd, cmd, termios_p);
+	if (ret < 0) {
+		errno = -ret;
+		return -1; 
+	}
+
+	return ret;
+}
+
+int tcsendbreak(int fd, int duration)
+{
+	int ret = ioctl(fd, TCSBRK, duration);
+	if (ret < 0) {
+		errno = -ret;
+		return -1; 
+	}
+
+	return ret;
+}
+
+int tcflush(int fd, int queue_selector)
+{
+	int ret = ioctl(fd, TCFLSH, queue_selector);
+	if (ret < 0) {
+		errno = -ret;
+		return -1; 
+	}
+
+	return ret;
+}
+
+int tcdrain(int fd)
+{
+	int ret = ioctl(fd, TCDRAIN, 0);
+	if (ret < 0) {
+		errno = -ret;
+		return -1; 
+	}
+
+	return ret;
+}
+
+pid_t tcgetsid(int fd)
+{
+	/* TODO: implement. */
+	errno = ENOSYS;
+	return -1;
+}
+
+int tcsetpgrp(int fd, pid_t pgrp)
+{
+	/* TODO: implement. */
+	errno = ENOSYS;
+	return -1;
+}
-- 
2.5.0