From: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Date: Sat, 23 Nov 2019 00:20:22 +0000 (-0500)
Subject: relayd: close stdin on launch
X-Git-Tag: v2.12.0-rc1~228
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=c04077180977834684b367f97afa22a79fcbd471;p=lttng-tools.git

relayd: close stdin on launch

The relay daemon has no use for the standard input; it can be safely
closed early on launch.

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

diff --git a/src/bin/lttng-relayd/main.c b/src/bin/lttng-relayd/main.c
index 325be9cf1..6e5b612f2 100644
--- a/src/bin/lttng-relayd/main.c
+++ b/src/bin/lttng-relayd/main.c
@@ -3800,6 +3800,12 @@ int main(int argc, char **argv)
 		goto exit_options;
 	}
 
+	ret = fclose(stdin);
+	if (ret) {
+		PERROR("Failed to close stdin");
+		goto exit_options;
+	}
+
 	/* Try to create directory if -o, --output is specified. */
 	if (opt_output_path) {
 		if (*opt_output_path != '/') {