From: Pierre-Marc Fournier <pierre-marc.fournier@polymtl.ca>
Date: Wed, 17 Mar 2010 03:55:02 +0000 (-0400)
Subject: remove fcntl(O_NONBLOCK) on consumer notify fd
X-Git-Tag: v1.9.1~634
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=d73b06ee279339fd46d9fd5856da205ddd1c24fd;p=lttng-ust.git

remove fcntl(O_NONBLOCK) on consumer notify fd

We only read it one byte at a time, when poll as reported some data
available anyway.
---

diff --git a/libust/buffers.c b/libust/buffers.c
index 8cadeabf..b7002ded 100644
--- a/libust/buffers.c
+++ b/libust/buffers.c
@@ -635,12 +635,6 @@ static int ust_buffers_init_buffer(struct ust_trace *trace,
 	buf->data_ready_fd_read = fds[0];
 	buf->data_ready_fd_write = fds[1];
 
-	/* FIXME: do we actually need this? */
-	result = fcntl(fds[0], F_SETFL, O_NONBLOCK);
-	if(result == -1) {
-		PERROR("fcntl");
-	}
-
 //ust//	buf->commit_seq = malloc(sizeof(buf->commit_seq) * n_subbufs);
 //ust//	if(!ltt_buf->commit_seq) {
 //ust//		return -1;