}
/*
- * Ask the consumer if the data is ready to bread (available) for the specific
+ * Ask the consumer if the data is ready to read (NOT pending) for the specific
* session id.
*
* This function has a different behavior with the consumer i.e. that it waits
- * for a reply from the consumer if yes or no the data is available.
+ * for a reply from the consumer if yes or no the data is pending.
*/
-int consumer_is_data_available(unsigned int id,
+int consumer_is_data_pending(unsigned int id,
struct consumer_output *consumer)
{
int ret;
- int32_t ret_code = 1; /* Default is that the data is available */
+ int32_t ret_code = 0; /* Default is that the data is NOT pending */
struct consumer_socket *socket;
struct lttng_ht_iter iter;
struct lttcomm_consumer_msg msg;
assert(consumer);
- msg.cmd_type = LTTNG_CONSUMER_DATA_AVAILABLE;
+ msg.cmd_type = LTTNG_CONSUMER_DATA_PENDING;
- msg.u.data_available.session_id = (uint64_t) id;
+ msg.u.data_pending.session_id = (uint64_t) id;
- DBG3("Consumer data available for id %u", id);
+ DBG3("Consumer data pending for id %u", id);
/* Send command for each consumer */
cds_lfht_for_each_entry(consumer->socks->ht, &iter.iter, socket,
ret = lttcomm_send_unix_sock(socket->fd, &msg, sizeof(msg));
if (ret < 0) {
- PERROR("send consumer data available command");
+ PERROR("send consumer data pending command");
pthread_mutex_unlock(socket->lock);
goto error;
}
- /*
- * Waiting for the reply code where 0 the data is not available and 1
- * it is for trace reading.
- */
ret = lttcomm_recv_unix_sock(socket->fd, &ret_code, sizeof(ret_code));
if (ret < 0) {
- PERROR("recv consumer data available status");
+ PERROR("recv consumer data pending status");
pthread_mutex_unlock(socket->lock);
goto error;
}
pthread_mutex_unlock(socket->lock);
- if (ret_code == 0) {
+ if (ret_code == 1) {
break;
}
}
- DBG("Consumer data available ret %d", ret_code);
+ DBG("Consumer data pending ret %d", ret_code);
return ret_code;
error: