static inline void asgn_min_prio(int cpuid)
{
// find minimum priority in timers_struct
RT_TASK *timer_manager;
struct rt_tasklet_struct *timer, *timerl;
spinlock_t *lock;
unsigned long flags;
int priority;
priority = (timer = (timerl = &timers_list[LIST_CPUID])->next)->priority;
flags = rt_spin_lock_irqsave(lock = &timers_lock[LIST_CPUID]);
while ((timer = timer->next) != timerl) {
if (timer->priority < priority) {
priority = timer->priority;
}
rt_spin_unlock_irqrestore(flags, lock);
flags = rt_spin_lock_irqsave(lock);
}
rt_spin_unlock_irqrestore(flags, lock);
flags = rt_global_save_flags_and_cli();
if ((timer_manager = &timers_manager[LIST_CPUID])->priority > priority) {
timer_manager->priority = priority;
if (timer_manager->state == RT_SCHED_READY) {
rem_ready_task(timer_manager);
enq_ready_task(timer_manager);
}
}
rt_global_restore_flags(flags);
}
static inline void rt_exec_signal(RT_TASK *sigtask, RT_TASK *task)
{
unsigned long flags;
flags = rt_global_save_flags_and_cli();
if (sigtask->suspdepth > 0 && !(--sigtask->suspdepth)) {
if (task) {
sigtask->priority = task->priority;
if (!task->pstate++) {
rem_ready_task(task);
task->state |= RT_SCHED_SIGSUSP;
}
}
sigtask->state &= ~RT_SCHED_SIGSUSP;
sigtask->retval = (long)task;
enq_ready_task(sigtask);
RT_SCHEDULE(sigtask, rtai_cpuid());
}
rt_global_restore_flags(flags);
}
