static void timer_tick(void)
{
rt_times.tick_time = rt_times.intr_time;
rt_times.intr_time = rt_times.tick_time + rt_times.periodic_tick;
rt_set_timer_delay(0);
if (rt_times.tick_time >= rt_times.linux_time) {
rt_times.linux_time += rt_times.linux_tick;
rt_pend_linux_irq(TIMER_8254_IRQ);
}
if (run) {
if (rt_waiting_return(tasknode, taskport)) {
overuns++;
}
switch(run) {
case 1: RT_sem_signal(tasknode, -taskport, rmt_sem);
rt_printk("SEM SIGNAL %d\n", ++cnt);
break;
case 2:
RT_task_resume(tasknode, -taskport, rmt_task);
rt_printk("TASK RESUME %d\n", ++cnt);
break;
case 3:
RT_send_if(tasknode, -taskport, rmt_task, run);
rt_printk("TASK SEND %d\n", ++cnt);
break;
}
}
}
static inline void RT_SEM_SIGNAL(unsigned long node, int port, SEM *sem)
{
if (rt_waiting_return(node, port)) {
RT_sem_signal(node, port > 0 ? port : -port, sem);
} else {
RT_sem_signal(node, port, sem);
}
}
static void timer_tick(void)
{
rt_times.tick_time = rt_times.intr_time;
rt_times.intr_time = rt_times.tick_time + rt_times.periodic_tick;
rt_set_timer_delay(0);
if (rt_times.tick_time >= rt_times.linux_time) {
if (rt_times.linux_tick) {
rt_times.linux_time += rt_times.linux_tick;
}
rt_pend_linux_irq(TIMER_8254_IRQ);
}
if (run) {
if (rt_waiting_return(tasknode, taskport)) {
overuns++;
}
rt_task_resume(&sup_task);
}
}
int main(int argc, char *argv[])
{
unsigned long sndnode;
long sndport, i, r;
RT_TASK *rcvtsk, *sndtsk;
struct sockaddr_in addr;
static MBX *sndmbx;
SERVER = atoi(argv[1]);
if (!(rcvtsk = rt_task_init_schmod(nam2num("RCVTSK"), 2, 0, 0, SCHED_FIFO, 0xF))) {
printf("CANNOT INIT RECEIVER TASK\n");
exit(1);
}
mbx = rt_mbx_init(nam2num("MBX"), 100);
athread = rt_thread_create(async_fun, NULL, 10000);
sndnode = 0;
if (argc == 3 && strstr(argv[2], "SndNode=")) {
inet_aton(argv[2] + 8, &addr.sin_addr);
sndnode = addr.sin_addr.s_addr;
}
if (!sndnode) {
inet_aton("127.0.0.1", &addr.sin_addr);
sndnode = addr.sin_addr.s_addr;
}
rt_set_oneshot_mode();
start_rt_timer(0);
while ((sndport = rt_request_port_mbx(sndnode, mbx)) <= 0 && sndport != -EINVAL);
while (!(sndmbx = RT_get_adr(sndnode, sndport, "SNDMBX"))) {
rt_sleep(nano2count(100000000));
}
sndtsk = RT_get_adr(sndnode, sndport, "SNDTSK");
printf("\nRECEIVER TASK RUNNING\n");
mlockall(MCL_CURRENT | MCL_FUTURE);
rt_make_hard_real_time();
while (!end) {
r = RT_mbx_receive(sndnode, -sndport, sndmbx, &i, sizeof(long));
rt_printk("RECEIVE %ld %ld\n", r, i);
if (SERVER) {
rt_sleep(nano2count(100000000));
} else {
while (!end && rt_waiting_return(sndnode, sndport)) {
rt_sleep(nano2count(1000000));
}
if (!end) {
unsigned long long retval;
long i1, i2;
int l1, l2;
if (rt_sync_net_rpc(sndnode, -sndport)) {
l1 = l2 = sizeof(long);
rt_get_net_rpc_ret(mbx, &retval, &i1, &l1, &i2, &l2, 0LL, MBX_RECEIVE);
rt_printk("RECEIVER ASYNC MSG: RETVAL = %d, MSG = %ld, LEN = %d.\n", (int)retval, i1, l1);
if (i1 < 0) {
end = 1;
break;
}
}
}
}
}
rt_mbx_delete(mbx);
rt_release_port(sndnode, sndport);
rt_make_soft_real_time();
rt_thread_join(athread);
rt_return(rt_receive(0, &i), i);
rt_task_delete(rcvtsk);
stop_rt_timer();
printf("\nRECEIVER TASK STOPS\n");
return 0;
}
