daemon: Disable logging to console after detaching.

[openvswitch] / lib / daemon.c

diff --git a/lib/daemon.c b/lib/daemon.c
index 9c814ea9fd9e61e9efe9913f790ebfd79d59577d..f4151ab1253238b08262a24724f3680b62cfda2c 100644 (file)
--- a/lib/daemon.c
+++ b/lib/daemon.c
@@ -408,6 +408,9 @@ close_standard_fds(void)
         dup2(null_fd, STDOUT_FILENO);
         dup2(null_fd, STDERR_FILENO);
     }
+
+    /* Disable logging to stderr to avoid wasting CPU time. */
+    vlog_set_levels(NULL, VLF_CONSOLE, VLL_EMER);
 }
 
 /* If daemonization is configured, then starts daemonization, by forking and