}
static inline void
-svm_queue_send_signal (svm_queue_t * q, u8 is_prod)
+svm_queue_send_signal_inline (svm_queue_t * q, u8 is_prod)
{
if (q->producer_evtfd == -1)
{
ASSERT (q->consumer_evtfd > 0 && q->producer_evtfd > 0);
fd = is_prod ? q->producer_evtfd : q->consumer_evtfd;
rv = write (fd, &data, sizeof (data));
+ if (PREDICT_FALSE (rv < 0))
+ clib_unix_warning ("signal write on %d returned %d", fd, rv);
}
}
+void
+svm_queue_send_signal (svm_queue_t * q, u8 is_prod)
+{
+ svm_queue_send_signal_inline (q, is_prod);
+}
+
static inline void
svm_queue_wait_inline (svm_queue_t * q)
{
q->tail = 0;
if (need_broadcast)
- svm_queue_send_signal (q, 1);
+ svm_queue_send_signal_inline (q, 1);
return 0;
}
q->cursize++;
if (q->cursize == 1)
- svm_queue_send_signal (q, 1);
+ svm_queue_send_signal_inline (q, 1);
}
q->tail = 0;
if (need_broadcast)
- svm_queue_send_signal (q, 1);
+ svm_queue_send_signal_inline (q, 1);
svm_queue_unlock (q);
q->tail = 0;
if (need_broadcast)
- svm_queue_send_signal (q, 1);
+ svm_queue_send_signal_inline (q, 1);
svm_queue_unlock (q);
q->head = 0;
if (need_broadcast)
- svm_queue_send_signal (q, 0);
+ svm_queue_send_signal_inline (q, 0);
svm_queue_unlock (q);
svm_queue_unlock (q);
if (need_broadcast)
- svm_queue_send_signal (q, 0);
+ svm_queue_send_signal_inline (q, 0);
return 0;
}
int
svm_queue_sub_raw (svm_queue_t * q, u8 * elem)
{
+ int need_broadcast;
i8 *headp;
if (PREDICT_FALSE (q->cursize == 0))
headp = (i8 *) (&q->data[0] + q->elsize * q->head);
clib_memcpy_fast (elem, headp, q->elsize);
+ need_broadcast = q->cursize == q->maxsize;
+
q->head = (q->head + 1) % q->maxsize;
q->cursize--;
+ if (PREDICT_FALSE (need_broadcast))
+ svm_queue_send_signal_inline (q, 0);
+
return 0;
}