/usr/include/rtai/rtai_prinher.h is in librtai-dev 3.8.1-4build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 | /*
* Copyright (C) 2006-2008 Paolo Mantegazza <mantegazza@aero.polimi.it>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _RTAI_PRINHER_H
#define _RTAI_PRINHER_H
#include <rtai_schedcore.h>
#ifdef __KERNEL__
#ifdef CONFIG_RTAI_FULL_PRINHER
#define task_owns_sems(task) ((task)->resq.next != &(task)->resq)
static inline void enqueue_resqel(QUEUE *resqel, RT_TASK *resownr)
{
QUEUE *resq;
resqel->next = resq = &resownr->resq;
(resqel->prev = resq->prev)->next = resqel;
resq->prev = resqel;
}
#define enqueue_resqtsk(resownr)
#define RESQEL_TASK ((((QUEUE *)resqel->task)->next)->task)
static inline int _set_task_prio_from_resq(RT_TASK *resownr)
{
int hprio;
RT_TASK *task;
QUEUE *resq, *resqel;
hprio = resownr->base_priority;
resqel = resq = &resownr->resq;
while ((resqel = resqel->next) != resq && (task = RESQEL_TASK) && task->priority < hprio) {
hprio = task->priority;
}
return hprio;
}
static inline int dequeue_resqel_reset_task_priority(QUEUE *resqel, RT_TASK *resownr)
{
int hprio, prio;
QUEUE *q;
(resqel->prev)->next = resqel->next;
(resqel->next)->prev = resqel->prev;
hprio = _set_task_prio_from_resq(resownr);
return renq_ready_task(resownr, ((q = resownr->msg_queue.next) != &resownr->msg_queue && (prio = (q->task)->priority) < hprio) ? prio : hprio);
}
static inline int set_task_prio_from_resq(RT_TASK *resownr)
{
int hprio, prio;
QUEUE *q;
hprio = _set_task_prio_from_resq(resownr);
return renq_ready_task(resownr, ((q = resownr->msg_queue.next) != &resownr->msg_queue && (prio = (q->task)->priority) < hprio) ? prio : hprio);
}
#else /* !CONFIG_RTAI_FULL_PRINHER */
#define task_owns_sems(task) ((task)->owndres)
#define enqueue_resqel(resqel, task) \
do { (task)->owndres++; } while (0)
#define enqueue_resqtsk(task)
// do { (task)->owndres += RPCINC; } while (0)
static inline int _set_task_prio_from_resq(RT_TASK *resownr)
{
QUEUE *q;
int prio;
return renq_ready_task(resownr, ((q = resownr->msg_queue.next) != &resownr->msg_queue && (prio = (q->task)->priority) < resownr->base_priority) ? prio : resownr->base_priority);
}
static inline int dequeue_resqel_reset_task_priority(QUEUE *resqel, RT_TASK *resownr)
{
if (--resownr->owndres <= 0) {
resownr->owndres = 0;
return _set_task_prio_from_resq(resownr);
}
return 0;
}
static inline int set_task_prio_from_resq(RT_TASK *resownr)
{
return !resownr->owndres ? _set_task_prio_from_resq(resownr) : 0;
}
#endif /* CONFIG_RTAI_FULL_PRINHER */
#define dequeue_resqel_reset_current_priority(resqel, rt_current) \
dequeue_resqel_reset_task_priority(resqel, rt_current)
#define set_current_prio_from_resq(rt_current) \
set_task_prio_from_resq(rt_current)
#define task_owns_msgs(task) ((task)->msg_queue.next != &(task)->msg_queue)
#define task_owns_res(task) (task_owns_sems(task) || task_owns_msgs(task))
#endif /* __KERNEL__ */
#endif /* !_RTAI_PRINHER_H */
|