blob: 842a507cb954f8fa13b0ea39714f521eaa66a915 [file] [log] [blame]
/* phil_task.c - dining philosophers */
/*
* Copyright (c) 2011-2016 Wind River Systems, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <zephyr.h>
#include "phil.h"
#ifdef CONFIG_NANOKERNEL
#define STSIZE 1024
extern void phil_entry(void);
extern void object_monitor(void);
char __stack phil_stack[N_PHILOSOPHERS][STSIZE];
char __stack mon_stack[STSIZE];
struct nano_sem forks[N_PHILOSOPHERS];
#endif /* CONFIG_NANOKERNEL */
#ifdef CONFIG_NANOKERNEL
/**
*
* @brief Nanokernel entry point
*
*/
int main(void)
{
int i;
for (i = 0; i < N_PHILOSOPHERS; i++) {
nano_sem_init(&forks[i]);
nano_task_sem_give(&forks[i]);
}
/* create philosopher fibers */
for (i = 0; i < N_PHILOSOPHERS; i++) {
task_fiber_start(&phil_stack[i][0], STSIZE,
(nano_fiber_entry_t) phil_entry, 0, 0, 6, 0);
}
/* create object counter monitor*/
task_fiber_start(mon_stack, STSIZE,
(nano_fiber_entry_t) object_monitor, 0, 0, 7, 0);
return 0;
}
#else
/**
*
* @brief Routine to start dining philosopher demo
*
*/
void phil_demo(void)
{
task_group_start(PHI);
task_group_start(MON);
}
#endif