[ltt-dev] [UST PATCH] Fix the once in a while freeze of the tests

[Yannick Brosseau]

Sometimes, the thread in the read function would lock the pipe so the
setlinebuf would freeze on it. Set the linebuf before we create the
thread to fix this deadlock

Signed-off-by: Yannick Brosseau <yannick.brosseau at gmail.com>
---
 tests/tap.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/tests/tap.c b/tests/tap.c
index a54fd17..4bb695e 100644
--- a/tests/tap.c
+++ b/tests/tap.c
@@ -58,6 +58,9 @@ static void tap_comment_stdout(void)
 		goto close_pipe;
 	}
 
+	/* Set it before we create the reading thread */
+	setlinebuf(pipe_r_file);
+
 	stdout_fileno = fileno(stdout);
 	if (stdout_fileno < 0) {
 		perror("# Couldn't get fileno for stdout!?");
@@ -112,7 +115,7 @@ static void tap_comment_stdout(void)
 
 	setlinebuf(stdout);
 	setlinebuf(stderr);
-	setlinebuf(pipe_r_file);
+
 
 	return;
 
-- 
1.7.2.3