Zigbee Protocol Controller
1.6.0
pt-sem.h
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/*
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* Copyright (c) 2004, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* Author: Adam Dunkels <adam@sics.se>
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*
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* $Id: pt-sem.h,v 1.2 2008/10/14 12:46:39 nvt-se Exp $
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*/
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#ifndef __PT_SEM_H__
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#define __PT_SEM_H__
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#include "
sys/pt.h
"
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struct
pt_sem
{
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unsigned
int
count
;
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};
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#define PT_SEM_INIT(s, c) (s)->count = c
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#define PT_SEM_WAIT(pt, s) \
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do { \
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PT_WAIT_UNTIL(pt, (s)->count > 0); \
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--(s)->count; \
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} while(0)
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#define PT_SEM_SIGNAL(pt, s) ++(s)->count
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#endif
/* __PT_SEM_H__ */
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pt.h
pt_sem
Definition:
pt-sem.h:165
pt_sem::count
unsigned int count
Definition:
pt-sem.h:166
components
uic_contiki
core
sys
pt-sem.h
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