Bump to version 1.22.1

[platform/upstream/busybox.git] / coreutils / usleep.c

diff --git a/coreutils/usleep.c b/coreutils/usleep.c
index d34880d..2e4eb57 100644 (file)
--- a/coreutils/usleep.c
+++ b/coreutils/usleep.c
@@ -4,25 +4,32 @@
  *
  * Copyright (C) 2003  Manuel Novoa III  <mjn3@codepoet.org>
  *
- * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
 
 /* BB_AUDIT SUSv3 N/A -- Apparently a busybox extension. */
 
+//usage:#define usleep_trivial_usage
+//usage:       "N"
+//usage:#define usleep_full_usage "\n\n"
+//usage:       "Pause for N microseconds"
+//usage:
+//usage:#define usleep_example_usage
+//usage:       "$ usleep 1000000\n"
+//usage:       "[pauses for 1 second]\n"
+
 #include "libbb.h"
 
 /* This is a NOFORK applet. Be very careful! */
 
 int usleep_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int usleep_main(int argc ATTRIBUTE_UNUSED, char **argv)
+int usleep_main(int argc UNUSED_PARAM, char **argv)
 {
        if (!argv[1]) {
                bb_show_usage();
        }
 
-       if (usleep(xatou(argv[1]))) {
-               bb_perror_nomsg_and_die();
-       }
+       usleep(xatou(argv[1]));
 
        return EXIT_SUCCESS;
 }