[lttng-dev] [LTTNG-TOOLS PATCH] Fix: close wait_fd on kernel tracing

[Julien Desfossez]

The wait_fd in the kernel consumer streams was not closed causing a leak
of FDs in the consumer and never triggering the teardown mechanism in
the kernel tracer.

Signed-off-by: Julien Desfossez <jdesfossez at efficios.com>
---
 src/common/consumer.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/common/consumer.c b/src/common/consumer.c
index 044a504..84865d3 100644
--- a/src/common/consumer.c
+++ b/src/common/consumer.c
@@ -463,6 +463,10 @@ void consumer_del_stream(struct lttng_consumer_stream *stream,
 				PERROR("munmap");
 			}
 		}
+		ret = close(stream->wait_fd);
+		if (ret) {
+			PERROR("close");
+		}
 		break;
 	case LTTNG_CONSUMER32_UST:
 	case LTTNG_CONSUMER64_UST:
-- 
1.7.10.4