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/*------------------------------------------------------------------------------
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-- This file is a part of the libuc, microcontroler library
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-- Copyright (C) 2013, Alexis Jeandet
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--
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-- This program is free software; you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as published by
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-- the Free Software Foundation; either version 3 of the License, or
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-- (at your option) any later version.
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--
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-- This program is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with this program; if not, write to the Free Software
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-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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-------------------------------------------------------------------------------
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-- Author : Alexis Jeandet
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-- Mail : alexis.jeandet@member.fsf.org
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-------------------------------------------------------------------------------*/
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#ifndef THREAD_H
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#define THREAD_H
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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This structure holds the thread context. To do so, you need to keep a track of the programm counter,
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to change the stack pointer for each thread and to save all registers needing to be saved. Since the
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number of regiter to be saved vary from one processor to an other, it's easier to save them in the
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owner thread stack;
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*/
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typedef struct thread_t
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{
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int (*func)(void*);
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void* __stack__;
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int stackSize;
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int priority;
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struct thread_t* prev;
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struct thread_t* next;
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}thread_t;
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extern int threadcreate(thread_t* thread,void* stack,int stackSize,int (*func)(void*));
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extern int threadstart(thread_t* thread);
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extern int threadstop(thread_t* thread);
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#ifdef __THREAD_PRIVATE__
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extern void __cpusavecontext(void* dataspace);
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extern void __cpurestorecontext(void* dataspace);
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extern void __initThreading();
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extern thread_t mainThread;
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif //THREAD_H
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