Echtzeitdatenverarbeitung/include/rtai_taskq.h

78 lines
2.0 KiB
C

/*
* Copyright (C) 2008-2010 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef _RTAI_TASKQ_H
#define _RTAI_TASKQ_H
#include <rtai_schedcore.h>
extern struct epoch_struct boot_epoch;
typedef struct rt_task_queue {
struct rt_queue queue; /* <= Must be first in struct. */
int qtype;
unsigned long status;
} TASKQ;
#define XNTIMEO 0x00000001 // RTE_TIMOUT
#define XNRMID 0x00000002 // RTE_OBJREM
#define XNBREAK 0x00000004 // RTE_UNBLKD
#define TASKQ_PRIO 0x0
#define TASKQ_FIFO 0x1
#define RT_SCHED_TASKQ RT_SCHED_SEMAPHORE
#ifdef CONFIG_SMP
extern volatile unsigned long tosched_mask;
#define TOSCHED_TASK(task) \
do { tosched_mask |= (1 << (task)->runnable_on_cpus); } while (0)
#else /* !CONFIG_SMP */
#define TOSCHED_TASK(task)
#endif /* CONFIG_SMP */
void rt_schedule_readied(void);
void rt_taskq_init(TASKQ *taskq, unsigned int type);
RT_TASK *rt_taskq_ready_one(TASKQ *taskq);
int rt_taskq_ready_all(TASKQ *taskq, unsigned long why);
void rt_taskq_wait(TASKQ *taskq);
void rt_taskq_wait_until(TASKQ *taskq, RTIME time);
#define rt_taskq_delete(taskq) rt_taskq_ready_all(taskq, RTE_OBJREM)
#define rt_taskq_wait_timed(taskq, delay) \
do { rt_taskq_wait_until(taskq, get_time() + delay); } while (0)
static inline int rt_task_test_taskq_retval(RT_TASK *task, unsigned long mask)
{
return ((task)->retval & mask);
}
#endif /* !_RTAI_TASKQ_H */