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talking_stick.h
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talking_stick.h
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#ifndef TALKING_STICK_H__
#define TALKING_STICK_H__
/*
Copyright (C) 2020 Stephen M. Cameron
Author: Stephen M. Cameron
This file is part of Spacenerds In Space.
Spacenerds in Space is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
Spacenerds in Space 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with Spacenerds in Space; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* This sets up "talking stick system" where there N talking sticks which can be
* be assigned to clients to prevent more than N of them from accessing a resource
* at once (e.g. N VOIP channels).
*/
#define NO_TALKING_STICK (-1)
void talking_stick_setup(int count); /* Setup count talking sticks */
int16_t talking_stick_get(void); /* Get a talking stick (or -1 if none are available) */
void talking_stick_release(int16_t stick); /* Release a talking stick */
#endif