docs/logging_and_backgrounding.txt: new mini-doc

dnsd: remove statics, remove nerly-useless SIGINT handler
crond: correct more of logfile to 0666 (as usual, umask allows
 user to remove unwanted bits).
nameif: print errors to stderr too, not just to syslog

function                                             old     new   delta
udhcp_read_interface                                 308     306      -2
ttl                                                    4       -      -4
fileconf                                               4       -      -4
dnsentry                                               4       -      -4
interrupt                                             19       -     -19
dnsd_main                                           1463    1394     -69
------------------------------------------------------------------------------
(add/remove: 0/4 grow/shrink: 0/2 up/down: 0/-102)           Total: -102 bytes
   text    data     bss     dec     hex filename
 808161     476    7864  816501   c7575 busybox_old
 807994     468    7856  816318   c74be busybox_unstripped

1 files changed, 1 insertions, 1 deletions

diff --git a/networking/inetd.c b/networking/inetd.c
index bf018d774..72d51010e 100644
--- a/networking/inetd.c
+++ b/networking/inetd.c
@@ -1299,7 +1299,7 @@ int inetd_main(int argc UNUSED_PARAM, char **argv)
                         if (sep->se_builtin) {
                                 if (pid) { /* "pid" is -1: we did vfork */
                                         close(sep->se_fd); /* listening socket */
-                                        logmode = 0; /* make xwrite etc silent */
+                                        logmode = LOGMODE_NONE; /* make xwrite etc silent */
                                 }
                                 restore_sigmask(&omask);
                                 if (sep->se_socktype == SOCK_STREAM)