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 325be9cf124df7d495fd3a27863195bebb9c55c4..6e5b612f21ae0cc72619a4b2c8ebbeb1d9367467 100644 (file)
--- 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 != '/') {