static int
usdf_fabric_close(fid_t fid)
{
struct usdf_fabric *fp;
int ret;
void *rv;
fp = fab_fidtou(fid);
if (atomic_get(&fp->fab_refcnt) > 0) {
return -FI_EBUSY;
}
/* Tell progression thread to exit */
fp->fab_exit = 1;
ret = usdf_fabric_wake_thread(fp);
if (ret != 0) {
return ret;
}
pthread_join(fp->fab_thread, &rv);
usdf_timer_deinit(fp);
close(fp->fab_eventfd);
close(fp->fab_epollfd);
close(fp->fab_arp_sockfd);
free(fp);
return 0;
}
/*
* Set this timer to fire "ms" milliseconds from now. If the timer is already
* queued, previous timeout will be discarded.
*
* When timer expires, the registered timer callback will be called and
* the timer entry removed from the queued list. The timer routine will not
* be called again until usdf_timer_set() is called again to re-set it.
* usdf_timer_set() is safe to call from timer service routine.
*/
static inline int
_usdf_timer_do_set(struct usdf_fabric *fp, struct usdf_timer_entry *entry,
uint32_t ms)
{
int ret;
unsigned bucket;
/* If no timers active, cur_bucket_ms may need catchup */
++fp->fab_active_timer_count;
if (fp->fab_active_timer_count == 1) {
fp->fab_cur_bucket_ms = usdf_get_ms();
ret = usdf_fabric_wake_thread(fp);
if (ret != 0) {
--fp->fab_active_timer_count;
return ret;
}
}
if (entry->te_flags & USDF_TF_QUEUED) {
LIST_REMOVE(entry, te_link);
--fp->fab_active_timer_count;
}
// we could make "overflow" bucket...
if (ms >= USDF_NUM_TIMER_BUCKETS) {
--fp->fab_active_timer_count;
return -FI_EINVAL;
}
bucket = (fp->fab_cur_bucket + ms) & (USDF_NUM_TIMER_BUCKETS - 1);
LIST_INSERT_HEAD(&fp->fab_timer_buckets[bucket], entry, te_link);
entry->te_flags |= USDF_TF_QUEUED;
return 0;
}
static int
usdf_fabric_close(fid_t fid)
{
struct usdf_fabric *fp;
int ret;
void *rv;
USDF_TRACE("\n");
fp = fab_fidtou(fid);
if (ofi_atomic_get32(&fp->fab_refcnt) > 0) {
return -FI_EBUSY;
}
/* Tell progression thread to exit */
fp->fab_exit = 1;
free(fp->fab_attr.name);
free(fp->fab_attr.prov_name);
if (fp->fab_thread) {
ret = usdf_fabric_wake_thread(fp);
if (ret != 0) {
return ret;
}
pthread_join(fp->fab_thread, &rv);
}
usdf_timer_deinit(fp);
if (fp->fab_epollfd != -1) {
close(fp->fab_epollfd);
}
if (fp->fab_eventfd != -1) {
close(fp->fab_eventfd);
}
if (fp->fab_arp_sockfd != -1) {
close(fp->fab_arp_sockfd);
}
free(fp);
return 0;
}
