find: support -HLP

[oweals/busybox.git] / networking / ifplugd.c

diff --git a/networking/ifplugd.c b/networking/ifplugd.c
index 8dd0a5bd8ca1dbd7f0549dfaaca7f226601c768d..3cdc2c9d29e58b27bd79749b5ec3c3b9ac71da38 100644 (file)
--- a/networking/ifplugd.c
+++ b/networking/ifplugd.c
@@ -6,13 +6,40 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
+
+//usage:#define ifplugd_trivial_usage
+//usage:       "[OPTIONS]"
+//usage:#define ifplugd_full_usage "\n\n"
+//usage:       "Network interface plug detection daemon\n"
+//usage:     "\n       -n              Don't daemonize"
+//usage:     "\n       -s              Don't log to syslog"
+//usage:     "\n       -i IFACE        Interface"
+//usage:     "\n       -f/-F           Treat link detection error as link down/link up"
+//usage:     "\n                       (otherwise exit on error)"
+//usage:     "\n       -a              Don't up interface at each link probe"
+//usage:     "\n       -M              Monitor creation/destruction of interface"
+//usage:     "\n                       (otherwise it must exist)"
+//usage:     "\n       -r PROG         Script to run"
+//usage:     "\n       -x ARG          Extra argument for script"
+//usage:     "\n       -I              Don't exit on nonzero exit code from script"
+//usage:     "\n       -p              Don't run \"up\" script on startup"
+//usage:     "\n       -q              Don't run \"down\" script on exit"
+//usage:     "\n       -l              Always run script on startup"
+//usage:     "\n       -t SECS         Poll time in seconds"
+//usage:     "\n       -u SECS         Delay before running script after link up"
+//usage:     "\n       -d SECS         Delay after link down"
+//usage:     "\n       -m MODE         API mode (mii, priv, ethtool, wlan, iff, auto)"
+//usage:     "\n       -k              Kill running daemon"
+
 #include "libbb.h"
 
 #include "fix_u32.h"
 #include <linux/if.h>
 #include <linux/mii.h>
 #include <linux/ethtool.h>
-#include <net/ethernet.h>
+#ifdef HAVE_NET_ETHERNET_H
+# include <net/ethernet.h>
+#endif
 #include <linux/netlink.h>
 #include <linux/rtnetlink.h>
 #include <linux/sockios.h>
@@ -524,12 +551,13 @@ int ifplugd_main(int argc UNUSED_PARAM, char **argv)
        applet_name = xasprintf("ifplugd(%s)", G.iface);
 
 #if ENABLE_FEATURE_PIDFILE
-       pidfile_name = xasprintf(_PATH_VARRUN"ifplugd.%s.pid", G.iface);
+       pidfile_name = xasprintf(CONFIG_PID_FILE_PATH "/ifplugd.%s.pid", G.iface);
        pid_from_pidfile = read_pid(pidfile_name);
 
        if (opts & FLAG_KILL) {
                if (pid_from_pidfile > 0)
-                       kill(pid_from_pidfile, SIGQUIT);
+                       /* Upstream tool use SIGINT for -k */
+                       kill(pid_from_pidfile, SIGINT);
                return EXIT_SUCCESS;
        }