/*
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* Copyright (C) 2008 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 _VXWORKS_TASKLIB_H
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#define _VXWORKS_TASKLIB_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 <vxworks/taskLib.h>
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struct wind_task_args {
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FUNCPTR entry;
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long arg0;
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long arg1;
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long arg2;
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long arg3;
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long arg4;
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long arg5;
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long arg6;
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long arg7;
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long arg8;
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long arg9;
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};
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struct wind_task {
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pthread_mutex_t safelock;
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struct WIND_TCB *tcb;
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struct WIND_TCB priv_tcb;
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char name[XNOBJECT_NAME_LEN];
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struct wind_task_args args;
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struct threadobj thobj;
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struct fsobj fsobj;
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struct clusterobj cobj;
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struct pvholder next;
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};
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#define do_each_wind_task(__task, __action) \
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({ \
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__label__ out; \
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int __ret; \
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push_cleanup_lock(&wind_task_lock); \
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read_lock(&wind_task_lock); \
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if (!pvlist_empty(&wind_task_list)) \
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pvlist_for_each_entry(__task, &wind_task_list, next) { \
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threadobj_lock(&(__task)->thobj); \
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__ret = (__action); \
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if (__ret == -EIDRM) \
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continue; \
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threadobj_unlock(&(__task)->thobj); \
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if (__ret) \
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goto out; \
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} \
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read_unlock(&wind_task_lock); \
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pop_cleanup_lock(&wind_task_lock); \
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out: \
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__ret; \
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})
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int wind_task_get_priority(struct wind_task *task);
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#define task_magic 0x1a2b3c4d
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static inline struct wind_task *wind_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 wind_task, thobj);
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}
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struct wind_task *get_wind_task(TASK_ID tid);
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struct wind_task *get_wind_task_or_self(TASK_ID tid);
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void put_wind_task(struct wind_task *task);
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int get_task_status(struct wind_task *task);
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extern struct cluster wind_task_table;
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extern struct pvlistobj wind_task_list;
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extern pthread_mutex_t wind_task_lock;
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extern int wind_time_slice;
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#endif /* _VXWORKS_TASKLIB_H */
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