-# Copyright (C) 2006 OpenWrt.org
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
-diff -ruN busybox-1.2.0-old/include/applets.h busybox-1.2.0-new/include/applets.h
---- busybox-1.2.0-old/include/applets.h 2006-07-31 11:21:00.000000000 +0200
-+++ busybox-1.2.0-new/include/applets.h 2006-08-01 10:21:15.000000000 +0200
-@@ -169,6 +169,7 @@
- USE_LN(APPLET(ln, _BB_DIR_BIN, _BB_SUID_NEVER))
- USE_LOADFONT(APPLET(loadfont, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
- USE_LOADKMAP(APPLET(loadkmap, _BB_DIR_SBIN, _BB_SUID_NEVER))
-+USE_LOCK(APPLET_NOUSAGE(lock, lock, _BB_DIR_BIN, _BB_SUID_NEVER))
- USE_LOGGER(APPLET(logger, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
- USE_LOGIN(APPLET(login, _BB_DIR_BIN, _BB_SUID_ALWAYS))
- USE_LOGNAME(APPLET(logname, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
-diff -ruN busybox-1.2.0-old/miscutils/Config.in busybox-1.2.0-new/miscutils/Config.in
---- busybox-1.2.0-old/miscutils/Config.in 2006-07-01 00:42:09.000000000 +0200
-+++ busybox-1.2.0-new/miscutils/Config.in 2006-08-01 10:21:15.000000000 +0200
-@@ -231,6 +231,12 @@
+--- a/include/applets.src.h
++++ b/include/applets.src.h
+@@ -218,6 +218,7 @@ IF_LN(APPLET_NOEXEC(ln, ln, BB_DIR_BIN,
+ IF_LOAD_POLICY(APPLET(load_policy, BB_DIR_USR_SBIN, BB_SUID_DROP))
+ IF_LOADFONT(APPLET(loadfont, BB_DIR_USR_SBIN, BB_SUID_DROP))
+ IF_LOADKMAP(APPLET(loadkmap, BB_DIR_SBIN, BB_SUID_DROP))
++IF_LOCK(APPLET(lock, BB_DIR_BIN, BB_SUID_DROP))
+ IF_LOGGER(APPLET(logger, BB_DIR_USR_BIN, BB_SUID_DROP))
+ /* Needs to be run by root or be suid root - needs to change uid and gid: */
+ IF_LOGIN(APPLET(login, BB_DIR_BIN, BB_SUID_REQUIRE))
+--- a/miscutils/Config.src
++++ b/miscutils/Config.src
+@@ -419,6 +419,11 @@ config FEATURE_HDPARM_HDIO_GETSET_DMA
+ help
Enables the 'hdparm -d' option to get/set using_dma flag.
- This is dangerous stuff, so you should probably say N.
-+config CONFIG_LOCK
++config LOCK
+ bool "lock"
-+ default y
+ help
+ Small utility for using locks in scripts
+
- config CONFIG_MAKEDEVS
+ config MAKEDEVS
bool "makedevs"
- default n
-diff -ruN busybox-1.2.0-old/miscutils/lock.c busybox-1.2.0-new/miscutils/lock.c
---- busybox-1.2.0-old/miscutils/lock.c 1970-01-01 01:00:00.000000000 +0100
-+++ busybox-1.2.0-new/miscutils/lock.c 2006-08-01 10:21:15.000000000 +0200
-@@ -0,0 +1,133 @@
+ default y
+--- a/miscutils/Kbuild.src
++++ b/miscutils/Kbuild.src
+@@ -29,6 +29,7 @@ lib-$(CONFIG_INOTIFYD) += inotifyd.o
+ lib-$(CONFIG_FEATURE_LAST_SMALL)+= last.o
+ lib-$(CONFIG_FEATURE_LAST_FANCY)+= last_fancy.o
+ lib-$(CONFIG_LESS) += less.o
++lib-$(CONFIG_LOCK) += lock.o
+ lib-$(CONFIG_MAKEDEVS) += makedevs.o
+ lib-$(CONFIG_MAN) += man.o
+ lib-$(CONFIG_MICROCOM) += microcom.o
+--- /dev/null
++++ b/miscutils/lock.c
+@@ -0,0 +1,135 @@
+/*
+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
+ *
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdio.h>
-+#include "busybox.h"
++#include "busybox.h"
++
++//usage:#define lock_trivial_usage NOUSAGE_STR
++//usage:#define lock_full_usage ""
+
+static int unlock = 0;
+static int shared = 0;
+static void exit_unlock(int sig)
+{
+ flock(fd, LOCK_UN);
-+ unlink(file);
+ exit(0);
+}
+
+{
+ FILE *f;
+ int i;
-+
++
+ if ((f = fopen(file, "r")) == NULL)
+ return 0;
-+
++
+ fscanf(f, "%d", &i);
+ if (i > 0)
+ kill(i, SIGTERM);
-+
++
+ fclose(f);
+
+ return 0;
+}
-+
++
+static int do_lock(void)
+{
+ int pid;
+ char pidstr[8];
+
-+ if ((fd = open(file, O_RDWR | O_CREAT, 0700)) < 0) {
-+ fprintf(stderr, "Can't open %s\n", file);
-+ return 1;
++ if ((fd = open(file, O_RDWR | O_CREAT | O_EXCL, 0700)) < 0) {
++ if ((fd = open(file, O_RDWR)) < 0) {
++ fprintf(stderr, "Can't open %s\n", file);
++ return 1;
++ }
+ }
+
+ if (flock(fd, (shared ? LOCK_SH : LOCK_EX)) < 0) {
+
+ if (pid < 0)
+ return -1;
-+
++
+ if (pid == 0) {
+ signal(SIGKILL, exit_unlock);
+ signal(SIGTERM, exit_unlock);
+
+ return 0;
+ }
++ return 0;
+}
+
-+#ifndef CONFIG_LOCK
-+int main(int argc, char **argv)
-+#else
++int lock_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int lock_main(int argc, char **argv)
-+#endif
+{
+ char **args = &argv[1];
+ int c = argc - 1;
+ else
+ return do_lock();
+}
-diff -ruN busybox-1.2.0-old/miscutils/Makefile.in busybox-1.2.0-new/miscutils/Makefile.in
---- busybox-1.2.0-old/miscutils/Makefile.in 2006-07-01 00:42:09.000000000 +0200
-+++ busybox-1.2.0-new/miscutils/Makefile.in 2006-08-01 10:21:15.000000000 +0200
-@@ -20,6 +20,7 @@
- MISCUTILS-$(CONFIG_EJECT) += eject.o
- MISCUTILS-$(CONFIG_HDPARM) += hdparm.o
- MISCUTILS-$(CONFIG_LAST) += last.o
-+MISCUTILS-$(CONFIG_LOCK) += lock.o
- MISCUTILS-${CONFIG_LESS} += less.o
- MISCUTILS-$(CONFIG_MAKEDEVS) += makedevs.o
- MISCUTILS-$(CONFIG_MOUNTPOINT) += mountpoint.o
projects / openwrt.git / blobdiff