X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fconsumer%2Fconsumer.h;h=0c83baa8cec451fce5671c1bc51e0c2cd3970e5e;hb=2520000ca08809a23ebb68d99fca8d85676df5aa;hp=e28c20bf1c397c28384126c849564cde0b27d833;hpb=b623cb6a788d9e666d9a93658ab04b06458863ef;p=lttng-tools.git

diff --git a/src/common/consumer/consumer.h b/src/common/consumer/consumer.h
index e28c20bf1..0c83baa8c 100644
--- a/src/common/consumer/consumer.h
+++ b/src/common/consumer/consumer.h
@@ -299,6 +299,12 @@ struct stream_subbuffer {
 	} info;
 };
 
+enum get_next_subbuffer_status {
+	GET_NEXT_SUBBUFFER_STATUS_OK,
+	GET_NEXT_SUBBUFFER_STATUS_NO_DATA,
+	GET_NEXT_SUBBUFFER_STATUS_ERROR,
+};
+
 /*
  * Perform any operation required to acknowledge
  * the wake-up of a consumer stream (e.g. consume a byte on a wake-up pipe).
@@ -321,8 +327,8 @@ typedef int (*on_sleep_cb)(struct lttng_consumer_stream *,
  *
  * Stream and channel locks are acquired during this call.
  */
-typedef int (*get_next_subbuffer_cb)(struct lttng_consumer_stream *,
-		struct stream_subbuffer *);
+typedef enum get_next_subbuffer_status (*get_next_subbuffer_cb)(
+		struct lttng_consumer_stream *, struct stream_subbuffer *);
 
 /*
  * Populate the stream_subbuffer's info member. The info to populate
@@ -1053,5 +1059,6 @@ int lttng_consumer_clear_channel(struct lttng_consumer_channel *channel);
 enum lttcomm_return_code lttng_consumer_open_channel_packets(
 		struct lttng_consumer_channel *channel);
 int consumer_metadata_wakeup_pipe(const struct lttng_consumer_channel *channel);
+void lttng_consumer_sigbus_handle(void *addr);
 
 #endif /* LIB_CONSUMER_H */