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/* vi: set sw=4 ts=4:
*
* sleep.c - Wait for a number of seconds.
*
* Copyright 2007 Rob Landley <rob@landley.net>
* Copyright 2012 Georgi Chorbadzhiyski <georgi@unixsol.org>
*
* See http://www.opengroup.org/onlinepubs/009695399/utilities/sleep.html
USE_SLEEP(NEWTOY(sleep, "<1", TOYFLAG_BIN))
config SLEEP
bool "sleep"
default y
help
usage: sleep SECONDS
Wait before exiting.
config SLEEP_FLOAT
bool
default y
depends on SLEEP && TOYBOX_FLOAT
help
The delay can be a decimal fraction. An optional suffix can be "m"
(minutes), "h" (hours), "d" (days), or "s" (seconds, the default).
*/
#include "toys.h"
void sleep_main(void)
{
if (!CFG_TOYBOX_FLOAT) toys.exitval = sleep(atol(*toys.optargs));
else {
char *arg;
double d = strtod(*toys.optargs, &arg);
unsigned long l;
// Parse suffix
if (*arg) {
int imhd[]={60,3600,86400};
char *mhd = "mhd", *c = strchr(mhd, *arg);
if (!arg) error_exit("Unknown suffix '%c'", *arg);
d *= imhd[c-mhd];
}
// wait through the delay
l = (unsigned long)d;
d -= l;
if (l) toys.exitval = sleep(l);
if (!toys.exitval) {
unsigned long usec = d * 1000000;
struct timespec tv = {
.tv_sec = usec / 1000000,
.tv_nsec = (usec % 1000000) * 1000
};
toys.exitval = nanosleep(&tv, NULL);
}
}
}
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