aboutsummaryrefslogtreecommitdiff
path: root/networking/udhcp/dhcpd.c
diff options
context:
space:
mode:
authorDenys Vlasenko <vda.linux@googlemail.com>2019-05-31 23:39:22 +0200
committerDenys Vlasenko <vda.linux@googlemail.com>2019-05-31 23:39:22 +0200
commit65c34c52df3ed46f0b811d1858c271a373ab6af5 (patch)
tree8c9a08f6ff1b442dbb642995d1870cb2efd87a0d /networking/udhcp/dhcpd.c
parent91755cb16d496d1094f5d81051a1e1e6f27a21c1 (diff)
downloadbusybox-65c34c52df3ed46f0b811d1858c271a373ab6af5.tar.gz
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>
Diffstat (limited to 'networking/udhcp/dhcpd.c')
-rw-r--r--networking/udhcp/dhcpd.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/networking/udhcp/dhcpd.c b/networking/udhcp/dhcpd.c
index 6e426e6a2..022b8721b 100644
--- a/networking/udhcp/dhcpd.c
+++ b/networking/udhcp/dhcpd.c
@@ -37,6 +37,8 @@
//usage: IF_FEATURE_UDHCP_PORT(
//usage: "\n -P N Use port N (default 67)"
//usage: )
+//usage: "\nSignals:"
+//usage: "\n USR1 Update lease file"
#include <netinet/ether.h>
#include <syslog.h>
@@ -863,6 +865,10 @@ int udhcpd_main(int argc UNUSED_PARAM, char **argv)
IF_FEATURE_UDHCP_PORT(SERVER_PORT = 67;)
IF_FEATURE_UDHCP_PORT(CLIENT_PORT = 68;)
+ /* Make sure fd 0,1,2 are open */
+ /* Setup the signal pipe on fds 3,4 - must be before openlog() */
+ udhcp_sp_setup();
+
opt = getopt32(argv, "^"
"fSI:va:"IF_FEATURE_UDHCP_PORT("P:")
"\0"
@@ -904,9 +910,6 @@ int udhcpd_main(int argc UNUSED_PARAM, char **argv)
if (server_data.auto_time > INT_MAX / 1000)
server_data.auto_time = INT_MAX / 1000;
- /* Make sure fd 0,1,2 are open */
- bb_sanitize_stdio();
-
/* Create pidfile */
write_pidfile(server_data.pidfile);
/* if (!..) bb_perror_msg("can't create pidfile %s", pidfile); */
@@ -942,9 +945,6 @@ int udhcpd_main(int argc UNUSED_PARAM, char **argv)
goto ret;
}
- /* Setup the signal pipe */
- udhcp_sp_setup();
-
continue_with_autotime:
timeout_end = monotonic_sec() + server_data.auto_time;
while (1) { /* loop until universe collapses */