smcp_status_t
smcp_schedule_timer(
smcp_t self,
smcp_timer_t timer,
smcp_cms_t cms
) {
smcp_status_t ret = SMCP_STATUS_FAILURE;
SMCP_EMBEDDED_SELF_HOOK;
assert(self!=NULL);
assert(timer!=NULL);
// Make sure we aren't already part of the list.
require(!timer->ll.next, bail);
require(!timer->ll.prev, bail);
require(self->timers != timer, bail);
DEBUG_PRINTF("Timer:%p: Scheduling to fire in %dms ...",timer,cms);
#if SMCP_DEBUG_TIMERS
size_t previousTimerCount = ll_count(self->timers);
#endif
if (cms < 0) {
cms = 0;
}
timer->fire_date = smcp_plat_cms_to_timestamp(cms);
ll_sorted_insert(
(void**)&self->timers,
timer,
&smcp_timer_compare_func,
NULL
);
ret = SMCP_STATUS_OK;
DEBUG_PRINTF("Timer:%p(CTX=%p): Scheduled.",timer,timer->context);
DEBUG_PRINTF("%p: Timers in play = %d",self,(int)ll_count(self->timers));
#if SMCP_DEBUG_TIMERS
assert((ll_count(self->timers)) == previousTimerCount+1);
#endif
bail:
return ret;
}
int bp_timer_add(bp_ttype type, struct timeval t, bp_timer_proc start_p,
void *tproc_data)
{
taskq_el *newtask;
int res;
struct timeval now;
if (type == RELATIVE) {
gettimeofday(&now, NULL);
t = tv_timeadd(now, t);
}
/* Build up the task data structure */
newtask = (taskq_el *) malloc(sizeof(taskq_el));
if (newtask == NULL) {
fprintf(stderr, "malloc failed in bp_timer_add.\n");
exit(1);
}
if (pthread_mutex_lock(&taskid_mutex) < 0) {
fprintf(stderr, "mutex lock failed in bp_timer_add\n");
exit(1);
}
newtask->tid = taskid++;
if (pthread_mutex_unlock(&taskid_mutex) < 0) {
fprintf(stderr, "mutex unlock failed in bp_timer_add\n");
exit(1);
}
newtask->ttime = t;
newtask->tproc = start_p;
newtask->tproc_arg = tproc_data;
if (pthread_mutex_lock(&taskq_mutex) < 0) {
fprintf(stderr, "mutex q lock failed in bp_timer_add\n");
exit(1);
}
res = ll_sorted_insert(&taskq, (void *) newtask, bp_timevalptr_cmp);
taskq_len++;
if (pthread_mutex_unlock(&taskq_mutex) < 0) {
fprintf(stderr, "mutex q unlock failed in bp_timer_add\n");
exit(1);
}
if (res != 1) {
fprintf(stderr, "ll_sorted_insert failed in bp_timer_add\n");
exit(1);
}
return 0;
}