1 files changed, 73 insertions, 0 deletions
diff --git a/netax25/ttyutils.h b/netax25/ttyutils.h
new file mode 100644
index 0000000..d16996a
--- /dev/null
+++ b/netax25/ttyutils.h
@@ -0,0 +1,73 @@
+/* LIBAX25 - Library for AX.25 programs
+ * Copyright (C) 1997-1999 Jonathan Naylor, Tomi Manninen, Jean-Paul Roubelat
+ * and Alan Cox.
+ * 
+ * This 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.
+ *
+ * This 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/*
+ * Generic serial port handling functions.
+ */
+ 
+#ifndef _TTYUTILS_H
+#define	_TTYUTILS_H
+
+#ifndef	TRUE
+#define	TRUE	1
+#endif
+
+#ifndef	FALSE
+#define	FALSE	0
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Put a given file descriptor into raw mode, if the hwflag is set to TRUE
+ * then hardware handshaking is enabled. Returns TRUE if successful.
+ */
+extern int tty_raw(int fd, int hwflag);
+
+/*
+ * Set the speed of the given file descriptor. Returns TRUE is it was
+ * successful.
+ */
+extern int tty_speed(int fd, int speed);
+
+/*
+ * Determines whether a given tty is already open by another process. Returns
+ * TRUE if is already locked, or FALSE if it is free.
+ */
+extern int tty_is_locked(char *tty);
+
+/*
+ * Creates a lock file for the given tty. It writes the process ID to the
+ * file so take care if doing a fork. Returns TRUE if everything was OK.
+ */
+extern int tty_lock(char *tty);
+
+/*
+ * Removes the lock file for a given tty. Returns TRUE if successful.
+ */
+extern int tty_unlock(char *tty);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif