*: introduce and use xfork()

function                                             old     new   delta
xfork                                                  -      20     +20
msh_main                                            1377    1380      +3
mod_process                                          455     446      -9
forkexit_or_rexec                                     30      17     -13
expand_variables                                    1434    1421     -13
open_transformer                                      91      76     -15
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 1/4 up/down: 23/-50)            Total: -27 bytes

1 files changed, 1 insertions, 0 deletions

diff --git a/util-linux/mount.c b/util-linux/mount.c
index 3b77af728..664d24fd8 100644
--- a/util-linux/mount.c
+++ b/util-linux/mount.c
@@ -890,6 +890,7 @@ get_mountport(struct pmap *pm_mnt,
 }
 
 #if BB_MMU
+/* Unlike bb_daemonize(), parent does NOT exit here, but returns 0 */
 static int daemonize(void)
 {
         int fd;