dhcp: get rid of static data signal_pipe
function old new delta
udhcp_sp_setup 65 110 +45
udhcp_sp_fd_set 60 59 -1
udhcpd_main 1442 1437 -5
udhcpc_main 2684 2679 -5
signal_pipe 8 - -8
packed_usage 33292 33284 -8
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 1/4 up/down: 45/-27) Total: 18 bytes
text data bss dec hex filename
952746 481 7296 960523 ea80b busybox_old
952768 481 7288 960537 ea819 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c
index cb85fa9..f040e93 100644
--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -1271,6 +1271,10 @@
client_data.sockfd = -1;
str_V = "udhcp "BB_VER;
+ /* Make sure fd 0,1,2 are open */
+ /* Set up the signal pipe on fds 3,4 - must be before openlog() */
+ udhcp_sp_setup();
+
/* Parse command line */
opt = getopt32long(argv, "^"
/* O,x: list; -T,-t,-A take numeric param */
@@ -1385,14 +1389,10 @@
logmode |= LOGMODE_SYSLOG;
}
- /* Make sure fd 0,1,2 are open */
- bb_sanitize_stdio();
/* Create pidfile */
write_pidfile(client_data.pidfile);
/* Goes to stdout (unless NOMMU) and possibly syslog */
bb_info_msg("started, v"BB_VER);
- /* Set up the signal pipe */
- udhcp_sp_setup();
/* We want random_xid to be random... */
srand(monotonic_us());