trace-cmd: Implement daemon on listen

The daemon was not implement on trace-cmd listen. This implements it
by simply calling daemon().

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/trace-listen.c b/trace-listen.c
index 9823516..3516258 100644
--- a/trace-listen.c
+++ b/trace-listen.c
@@ -494,6 +494,8 @@ static void do_listen(char *port)
 
 static void start_daemon(void)
 {
+        if (daemon(1, 0) < 0)
+                die("starting daemon");
 }
 
 void trace_listen(int argc, char **argv)