*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
-
-/* BB_AUDIT SUSv3 compliant */
-/* BB_AUDIT GNU issues -- fancy version matches except args must be ints. */
-/* http://www.opengroup.org/onlinepubs/007904975/utilities/sleep.html */
-
/* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
*
* Rewritten to do proper arg and error checking.
* Also, added a 'fancy' configuration to accept multiple args with
* time suffixes for seconds, minutes, hours, and days.
*/
-
-#include "libbb.h"
+//config:config SLEEP
+//config: bool "sleep (1.7 kb)"
+//config: default y
+//config: help
+//config: sleep is used to pause for a specified number of seconds.
+//config: It comes in 3 versions:
+//config: - small: takes one integer parameter
+//config: - fancy: takes multiple integer arguments with suffixes:
+//config: sleep 1d 2h 3m 15s
+//config: - fancy with fractional numbers:
+//config: sleep 2.3s 4.5h sleeps for 16202.3 seconds
+//config: Last one is "the most compatible" with coreutils sleep,
+//config: but it adds around 1k of code.
+//config:
+//config:config FEATURE_FANCY_SLEEP
+//config: bool "Enable multiple arguments and s/m/h/d suffixes"
+//config: default y
+//config: depends on SLEEP
+//config: help
+//config: Allow sleep to pause for specified minutes, hours, and days.
/* Do not make this applet NOFORK. It breaks ^C-ing of pauses in shells */
+//applet:IF_SLEEP(APPLET(sleep, BB_DIR_BIN, BB_SUID_DROP))
+//kbuild:lib-$(CONFIG_SLEEP) += sleep.o
-#if ENABLE_FEATURE_FANCY_SLEEP || ENABLE_FEATURE_FLOAT_SLEEP
-static const struct suffix_mult sfx[] = {
- { "s", 1 },
- { "m", 60 },
- { "h", 60*60 },
- { "d", 24*60*60 },
- { "", 0 }
-};
-#endif
+/* BB_AUDIT SUSv3 compliant */
+/* BB_AUDIT GNU issues -- fancy version matches except args must be ints. */
+/* http://www.opengroup.org/onlinepubs/007904975/utilities/sleep.html */
+
+//usage:#define sleep_trivial_usage
+//usage: IF_FEATURE_FANCY_SLEEP("[") "N" IF_FEATURE_FANCY_SLEEP("]...")
+//usage:#define sleep_full_usage "\n\n"
+//usage: IF_NOT_FEATURE_FANCY_SLEEP("Pause for N seconds")
+//usage: IF_FEATURE_FANCY_SLEEP(
+//usage: "Pause for a time equal to the total of the args given, where each arg can\n"
+//usage: "have an optional suffix of (s)econds, (m)inutes, (h)ours, or (d)ays")
+//usage:
+//usage:#define sleep_example_usage
+//usage: "$ sleep 2\n"
+//usage: "[2 second delay results]\n"
+//usage: IF_FEATURE_FANCY_SLEEP(
+//usage: "$ sleep 1d 3h 22m 8s\n"
+//usage: "[98528 second delay results]\n")
+
+#include "libbb.h"
int sleep_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int sleep_main(int argc UNUSED_PARAM, char **argv)
{
-#if ENABLE_FEATURE_FLOAT_SLEEP
- double duration;
- struct timespec ts;
-#else
- unsigned duration;
-#endif
+ duration_t duration;
++argv;
if (!*argv)
bb_show_usage();
-#if ENABLE_FEATURE_FLOAT_SLEEP
-
-# if ENABLE_LOCALE_SUPPORT
- setlocale (LC_NUMERIC, "C");
+#if ENABLE_FEATURE_FANCY_SLEEP
+# if ENABLE_FLOAT_DURATION
+ /* undo busybox.c setlocale */
+ setlocale(LC_NUMERIC, "C");
# endif
duration = 0;
do {
- char *arg = *argv;
- if (strchr(arg, '.')) {
- double d;
- char *pp;
- int len = strspn(arg, "0123456789.");
- char sv = arg[len];
- arg[len] = '\0';
- errno = 0;
- d = strtod(arg, &pp);
- if (errno || *pp)
- bb_show_usage();
- arg += len;
- *arg-- = sv;
- sv = *arg;
- *arg = '1';
- duration += d * xatoul_sfx(arg, sfx);
- *arg = sv;
- } else {
- duration += xatoul_sfx(arg, sfx);
- }
- } while (*++argv);
-
- ts.tv_sec = MAXINT(typeof(ts.tv_sec));
- ts.tv_nsec = 0;
- if (duration >= 0 && duration < ts.tv_sec) {
- ts.tv_sec = duration;
- ts.tv_nsec = (duration - ts.tv_sec) * 1000000000;
- }
- do {
- errno = 0;
- nanosleep(&ts, &ts);
- } while (errno == EINTR);
-
-#elif ENABLE_FEATURE_FANCY_SLEEP
-
- duration = 0;
- do {
- duration += xatou_range_sfx(*argv, 0, UINT_MAX - duration, sfx);
+ duration += parse_duration_str(*argv);
} while (*++argv);
- sleep(duration);
-
+ sleep_for_duration(duration);
#else /* simple */
-
duration = xatou(*argv);
sleep(duration);
- // Off. If it's really needed, provide example why
- //if (sleep(duration)) {
- // bb_perror_nomsg_and_die();
- //}
-
#endif
-
return EXIT_SUCCESS;
}