static int sig_queueaction(FAR struct tcb_s *stcb, siginfo_t *info)
{
FAR sigactq_t *sigact;
FAR sigq_t *sigq;
irqstate_t flags;
int ret = OK;
sched_lock();
DEBUGASSERT(stcb != NULL && stcb->group != NULL);
/* Find the group sigaction associated with this signal */
sigact = sig_findaction(stcb->group, info->si_signo);
/* Check if a valid signal handler is available and if the signal is
* unblocked. NOTE: There is no default action.
*/
if ((sigact) && (sigact->act.sa_u._sa_sigaction))
{
/* Allocate a new element for the signal queue. NOTE:
* sig_allocatependingsigaction will force a system crash if it is
* unable to allocate memory for the signal data */
sigq = sig_allocatependingsigaction();
if (!sigq)
{
ret = -ENOMEM;
}
else
{
/* Populate the new signal queue element */
sigq->action.sighandler = sigact->act.sa_u._sa_sigaction;
sigq->mask = sigact->act.sa_mask;
memcpy(&sigq->info, info, sizeof(siginfo_t));
/* Put it at the end of the pending signals list */
flags = enter_critical_section();
sq_addlast((FAR sq_entry_t *)sigq, &(stcb->sigpendactionq));
leave_critical_section(flags);
}
}
sched_unlock();
return ret;
}
static int sig_queueaction(FAR _TCB *stcb, siginfo_t *info)
{
FAR sigactq_t *sigact;
FAR sigq_t *sigq;
irqstate_t saved_state;
int ret = OK;
sched_lock();
/* Find the sigaction associated with this signal */
sigact = sig_findaction(stcb, info->si_signo);
/* Check if a valid signal handler is available and if the signal is
* unblocked. NOTE: There is no default action.
*/
if ((sigact) && (sigact->act.sa_u._sa_sigaction))
{
/* Allocate a new element for the signal queue. NOTE: sig_allocatependingsigaction
* will force a system crash if it is unable to allocate memory for the
* signal data */
sigq = sig_allocatependingsigaction();
if (!sigq) ret = ERROR;
else
{
/* Populate the new signal queue element */
sigq->action.sighandler = sigact->act.sa_u._sa_sigaction;
sigq->mask = sigact->act.sa_mask;
memcpy(&sigq->info, info, sizeof(siginfo_t));
/* Put it at the end of the pending signals list */
saved_state = irqsave();
sq_addlast((FAR sq_entry_t*)sigq, &(stcb->sigpendactionq));
irqrestore(saved_state);
}
}
sched_unlock();
return ret;
}
