-
- Copyright (C) 2006 OpenWrt.org
-
-diff -urN busybox.old/include/applets.h busybox.dev/include/applets.h
---- busybox.old/include/applets.h 2006-04-05 01:06:29.000000000 +0200
-+++ busybox.dev/include/applets.h 2006-04-05 01:19:09.000000000 +0200
-@@ -167,6 +167,7 @@
- USE_LN(APPLET(ln, ln_main, _BB_DIR_BIN, _BB_SUID_NEVER))
- USE_LOADFONT(APPLET(loadfont, loadfont_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
- USE_LOADKMAP(APPLET(loadkmap, loadkmap_main, _BB_DIR_SBIN, _BB_SUID_NEVER))
-+USE_LOCK(APPLET_NOUSAGE(lock, lock_main, _BB_DIR_BIN, _BB_SUID_NEVER))
- USE_LOGGER(APPLET(logger, logger_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
- USE_LOGIN(APPLET(login, login_main, _BB_DIR_BIN, _BB_SUID_ALWAYS))
- USE_LOGNAME(APPLET(logname, logname_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
-diff -urN busybox.old/miscutils/Config.in busybox.dev/miscutils/Config.in
---- busybox.old/miscutils/Config.in 2006-03-22 22:16:24.000000000 +0100
-+++ busybox.dev/miscutils/Config.in 2006-04-05 01:07:12.000000000 +0200
-@@ -209,6 +209,12 @@
+--- a/include/applets.h
++++ b/include/applets.h
+@@ -220,6 +220,7 @@
+ USE_LOAD_POLICY(APPLET(load_policy, _BB_DIR_USR_SBIN, _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(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_NOFORK(logname, logname, _BB_DIR_USR_BIN, _BB_SUID_NEVER, logname))
+--- a/include/usage.h
++++ b/include/usage.h
+@@ -2138,6 +2138,9 @@
+ #define loadkmap_example_usage \
+ "$ loadkmap < /etc/i18n/lang-keymap\n"
+
++#define lock_trivial_usage NOUSAGE_STR
++#define lock_full_usage ""
++
+ #define logger_trivial_usage \
+ "[OPTION]... [MESSAGE]"
+ #define logger_full_usage "\n\n" \
+--- a/miscutils/Config.in
++++ b/miscutils/Config.in
+@@ -364,6 +364,12 @@
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 -urN busybox.old/miscutils/Makefile.in busybox.dev/miscutils/Makefile.in
---- busybox.old/miscutils/Makefile.in 2006-03-22 22:16:24.000000000 +0100
-+++ busybox.dev/miscutils/Makefile.in 2006-04-05 01:10:50.000000000 +0200
+--- a/miscutils/Kbuild
++++ b/miscutils/Kbuild
@@ -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-$(CONFIG_MOUNTPOINT) += mountpoint.o
-diff -urN busybox.old/miscutils/lock.c busybox.dev/miscutils/lock.c
---- busybox.old/miscutils/lock.c 1970-01-01 01:00:00.000000000 +0100
-+++ busybox.dev/miscutils/lock.c 2006-04-05 01:07:12.000000000 +0200
-@@ -0,0 +1,133 @@
+ lib-$(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 +1,132 @@
+/*
+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
+ *
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdio.h>
-+#include "busybox.h"
++#include "busybox.h"
+
+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;
projects / openwrt.git / blobdiff