tasklet.c

fsmlabs的real time linux的内核

#include <rtl.h>
#include <time.h>
#include <linux/interrupt.h> /* for the tasklet macros/functions */
#include <pthread.h>

int myint_for_something=1;
pthread_t thread;

void tasklet_function(unsigned long);

char tasklet_data[64];

DECLARE_TASKLET(test_tasklet,tasklet_function, (unsigned long) &tasklet_data);
	
void * start_routine(void *arg)
{
	struct sched_param p;
	int i;
	p . sched_priority = 1;
	pthread_setschedparam (pthread_self(), SCHED_FIFO, &p);

	pthread_make_periodic_np (pthread_self(), gethrtime(), 500000000);

	i=0;
	while (1) {
		pthread_wait_np ();
		rtl_printf("RT-Thread; my arg is %x\n", (unsigned) arg);
		sprintf(tasklet_data,"%s \"%x\"",
			"Linux tasklet received RT-Thread arg",
			(unsigned) arg);
		tasklet_hi_schedule(&test_tasklet);
		i++;
	}
	return 0;
}
	
void tasklet_function(unsigned long data){
	struct timeval now;
	do_gettimeofday(&now);
	printk("%s at %ld,%ld\n",(char *) data,now.tv_sec,now.tv_usec);
}
	
int init_module(void) {
	return pthread_create (&thread, NULL, start_routine, 0);
}

void cleanup_module(void) {
	pthread_delete_np(thread);
}