/*
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* Copyright (C) 2011 Philippe Gerum <rpm@xenomai.org>.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; 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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#ifndef _ALCHEMY_TASK_H
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#define _ALCHEMY_TASK_H
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#include <sched.h>
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#include <semaphore.h>
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#include <errno.h>
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#include <boilerplate/list.h>
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#include <copperplate/syncobj.h>
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#include <copperplate/threadobj.h>
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#include <copperplate/registry.h>
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#include <copperplate/cluster.h>
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#include <alchemy/task.h>
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struct alchemy_task {
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char name[XNOBJECT_NAME_LEN];
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int mode;
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cpu_set_t affinity;
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int suspends;
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struct syncobj sobj_msg;
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int flowgen;
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struct threadobj thobj;
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struct clusterobj cobj;
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void (*entry)(void *arg);
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void *arg;
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RT_TASK self;
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struct fsobj fsobj;
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};
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struct alchemy_task_wait {
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struct RT_TASK_MCB request;
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struct RT_TASK_MCB reply;
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};
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#define task_magic 0x8282ebeb
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static inline struct alchemy_task *alchemy_task_current(void)
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{
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struct threadobj *thobj = threadobj_current();
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if (thobj == NULL ||
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threadobj_get_magic(thobj) != task_magic)
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return NULL;
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return container_of(thobj, struct alchemy_task, thobj);
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}
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struct alchemy_task *get_alchemy_task(RT_TASK *task, int *err_r);
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struct alchemy_task *get_alchemy_task_or_self(RT_TASK *task, int *err_r);
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void put_alchemy_task(struct alchemy_task *tcb);
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static inline int check_task_priority(int prio)
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{ /* FIXME: HIPRIO is lower over Mercury */
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return prio < T_LOPRIO || prio > T_HIPRIO ? -EINVAL : 0;
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}
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extern struct syncluster alchemy_task_table;
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#endif /* _ALCHEMY_TASK_H */
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