From: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Date: Wed, 18 May 2016 20:05:19 +0000 (-0400)
Subject: Fix: posix_fadvise wrapper returns -ENOSYS on FreeBSD
X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=commitdiff_plain;h=a0d0e12718becc1ecc4b6cc8e553522eeb72e058;hp=32bd4678460f5a6d724ca5f4470314bbe63c0429

Fix: posix_fadvise wrapper returns -ENOSYS on FreeBSD

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
---

diff --git a/src/common/consumer/consumer.c b/src/common/consumer/consumer.c
index 321703a51..8b8e74c33 100644
--- a/src/common/consumer/consumer.c
+++ b/src/common/consumer/consumer.c
@@ -1265,8 +1265,9 @@ void lttng_consumer_sync_trace_file(struct lttng_consumer_stream *stream,
 	 */
 	ret = posix_fadvise(outfd, orig_offset - stream->max_sb_size,
 			stream->max_sb_size, POSIX_FADV_DONTNEED);
-	if (ret) {
-		WARN("posix_fadvise() error (%i)", ret);
+	if (ret && ret != -ENOSYS) {
+		errno = -ret;
+		PERROR("posix_fadvise");
 	}
 }