115 lines
3.0 KiB
C
115 lines
3.0 KiB
C
/* $Header: /usr/cvsroot/target/h/wrn/wm/demo/tasks.h,v 1.1.1.1 2001/11/05 17:47:37 tneale Exp $ */
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/*
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* Copyright (C) 1999-2005 Wind River Systems, Inc.
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* All rights reserved. Provided under license only.
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* Distribution or other use of this software is only
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* permitted pursuant to the terms of a license agreement
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* from Wind River Systems (and is otherwise prohibited).
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* Refer to that license agreement for terms of use.
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*/
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/****************************************************************************
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* Copyright 1993-1997 Epilogue Technology Corporation.
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* Copyright 1998 Integrated Systems, Inc.
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* All rights reserved.
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****************************************************************************/
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/*
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* $Log: tasks.h,v $
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* Revision 1.1.1.1 2001/11/05 17:47:37 tneale
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* Tornado shuffle
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*
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* Revision 2.8 2001/01/19 22:23:37 paul
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* Update copyright.
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*
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* Revision 2.7 2000/03/17 00:12:14 meister
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* Update copyright message
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*
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* Revision 2.6 1998/07/02 06:55:34 sra
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* Make Snark restartable under pSOS, and other minor cleanups.
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*
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* Revision 2.5 1998/02/25 04:57:18 sra
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* Update copyrights.
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*
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* Revision 2.4 1997/03/20 06:53:24 sra
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* DFARS-safe copyright text. Zap!
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*
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* Revision 2.3 1997/02/25 10:58:16 sra
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* Update copyright notice, dust under the bed.
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*
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* Revision 2.2 1997/02/19 08:10:29 sra
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* More fun merging snmptalk into snark, general snark cleanup.
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*
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* Revision 2.1 1996/03/22 10:05:39 sra
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* Update copyrights prior to Attache 3.2 release.
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*
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* Revision 2.0 1995/05/10 22:38:15 sra
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* Attache release 3.0.
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*
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* Revision 1.3 1995/01/06 00:52:48 sra
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* Update copyright notice for 2.1 release.
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*
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* Revision 1.2 1994/09/04 23:55:50 sra
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* Get rid of most of the ancient NO_PP cruft.
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*
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* Revision 1.1 1993/07/05 21:53:06 sra
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* Initial revision
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*
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*/
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/*
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* Definitions for snark's tasking package.
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*
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* This is based in large part on Romkey's simtask package, with
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* some changes suggested by Bridgham and different modularization
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* to fit into snark properly.
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*/
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/* [clearcase]
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modification history
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-------------------
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01a,20apr05,job update copyright notices
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*/
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#ifndef _SNARK_TASKS_H_
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#define _SNARK_TASKS_H_
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/*
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* The task structure.
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*/
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struct task {
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char *name;
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void (*func) __((struct task *, void *));
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void *cookie;
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struct task *next;
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};
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/*
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* Tasking functions common to all implementations.
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* These handle all the locking crud via glue_intlock().
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*/
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extern void task_ini (struct task *);
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extern void task_enq (struct task *);
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extern struct task *task_deq (void);
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extern void task_delq (struct task *);
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extern void task_add (struct task *, char *,
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void (*)(struct task *, void *), void *);
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extern int task_idle (void);
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/*
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* The task scheduler itself, provided by each port of snark.
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* It should get tasks to run by calling task_deq().
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* If it ever returns, main() will exit with the same value.
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*/
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extern int tasks_run (void);
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/*
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* Initialize static variables for the tasking package.
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*/
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extern void tasks_init (void);
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#endif /* _SNARK_TASKS_H_ */
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