/*!
* Put given thread or active thread (when kthread == NULL) into queue 'q_id'
* - if kthread != NULL, thread must not be in any list and 'kthreads_schedule'
* should follow this call before exiting from kernel!
*/
void kthread_enqueue ( kthread_t *kthread, kthread_q *q )
{
ASSERT ( ( kthread || active_thread ) && q );
if ( !kthread )
kthread = active_thread;
kthread->state.state = THR_STATE_WAIT;
kthread->queue = q;
kthreadq_append ( kthread->queue, kthread );
}
/*!
* Put given thread or active thread (when kthread == NULL) into queue 'q_id'
* - if kthread != NULL, thread must not be in any list and
* 'kthreads_schedule' should follow this call before exiting from kernel!
* \param kthread thread descriptor
* \param q queue where to put thread
* \param sig_int is thread interruptable while in queue?
* \param wakeup_action if thread is interruptable on interrupt call this
* \param param param for "wakeup_action"
*/
void kthread_enqueue ( kthread_t *kthread, kthread_q *q, int sig_int,
void *wakeup_action, void *param )
{
ASSERT ( ( kthread || active_thread ) && q );
if ( !kthread )
kthread = active_thread;
kthread->state.state = THR_STATE_WAIT;
kthread->queue = q;
kthread->state.sig_int = sig_int;
if ( sig_int && wakeup_action == NULL )
wakeup_action = kthread_release_prematurely;
kthread_set_signal_interrupt_handler ( kthread, wakeup_action, param );
kthreadq_append ( kthread->queue, kthread );
}
/*!
* Move given thread (its descriptor) to ready threads
* (as last or first in its priority queue)
*/
void kthread_move_to_ready ( kthread_t *kthread, int where )
{
int i, j, prio;
ASSERT ( kthread );
prio = kthread_get_prio ( kthread );
kthread_mark_ready ( kthread );
kthread_set_queue ( kthread, &ready.rq[prio] );
if ( where == LAST )
kthreadq_append ( &ready.rq[prio], kthread );
else
kthreadq_prepend ( &ready.rq[prio], kthread );
/* mark that list as not empty */
i = prio / UINT_SIZE;
j = prio % UINT_SIZE;
ready.mask[i] |= (uint) ( 1 << j );
}
