Fix: make ust consumer posix compliant for poll flags

[lttng-tools.git] / src / common / ust-consumer / ust-consumer.c

diff --git a/src/common/ust-consumer/ust-consumer.c b/src/common/ust-consumer/ust-consumer.c
index 113682384ae44d829d03af00b1378d25687a4a39..c8ba084606180790b51fc7d11ba8ea5075f019c4 100644 (file)
--- a/src/common/ust-consumer/ust-consumer.c
+++ b/src/common/ust-consumer/ust-consumer.c
@@ -43,9 +43,9 @@ extern volatile int consumer_quit;
 /*
  * Mmap the ring buffer, read it and write the data to the tracefile.
  *
- * Returns the number of bytes written
+ * Returns the number of bytes written, else negative value on error.
  */
-int lttng_ustconsumer_on_read_subbuffer_mmap(
+ssize_t lttng_ustconsumer_on_read_subbuffer_mmap(
                struct lttng_consumer_local_data *ctx,
                struct lttng_consumer_stream *stream, unsigned long len)
 {
@@ -90,7 +90,7 @@ end:
  *
  * Returns the number of bytes spliced.
  */
-int lttng_ustconsumer_on_read_subbuffer_splice(
+ssize_t lttng_ustconsumer_on_read_subbuffer_splice(
                struct lttng_consumer_local_data *ctx,
                struct lttng_consumer_stream *stream, unsigned long len)
 {