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/*
* $Id: talk.h 136 2006-09-22 20:06:05Z hubert@u.washington.edu $
*
* ========================================================================
* Copyright 2006 University of Washington
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* ========================================================================
*/
#ifndef PITH_TALK_INCLUDED
#define PITH_TALK_INCLUDED
/*
* Macros to aid hack to turn off talk permission.
* Bit 020 is usually used to turn off talk permission, we turn off
* 002 also for good measure, since some mesg commands seem to do that.
*/
#define TALK_BIT 020 /* mode bits */
#define GM_BIT 002
#define TMD_CLEAR 0 /* functions */
#define TMD_SET 1
#define TMD_RESET 2
#define allow_talk(p) tty_chmod((p), TALK_BIT, TMD_SET)
#define disallow_talk(p) tty_chmod((p), TALK_BIT|GM_BIT, TMD_CLEAR)
/* exported protoypes */
#endif /* PITH_TALK_INCLUDED */
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