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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.3 */
/*
** sleep -- suspend execution for an interval
**
** sleep time
*/
#include <stdio.h>
#include <signal.h>
#include <locale.h>
#include <unistd.h>
#include <limits.h>
#include <stdlib.h>
static void catch_sig(int sig);
int
main(int argc, char **argv)
{
unsigned long n;
unsigned long leftover;
int c;
char *s;
n = 0;
(void) setlocale(LC_ALL, "");
#if !defined(TEXT_DOMAIN) /* Should be defined by cc -D */
#define TEXT_DOMAIN "SYS_TEST" /* Use this only if it weren't */
#endif
(void) textdomain(TEXT_DOMAIN);
while ((c = getopt(argc, argv, "")) != -1)
switch (c) {
case '?':
(void) fprintf(stderr, gettext("usage: sleep time\n"));
(void) exit(2);
}
argc -= optind-1;
argv += optind-1;
if (argc < 2) {
(void) fprintf(stderr, gettext("usage: sleep time\n"));
(void) exit(2);
}
/*
* XCU4: utility must terminate with zero exit status upon receiving
* SIGALRM signal
*/
signal(SIGALRM, catch_sig);
s = argv[1];
while (c = *s++) {
if (c < '0' || c > '9') {
(void) fprintf(stderr,
gettext("sleep: bad character in argument\n"));
(void) exit(2);
}
n = n*10 + c - '0';
}
/*
* to fix - sleep fails silently when on "long sleep" BUG: 1164064.
* logic is to repeatedly sleep for unslept remaining time after sleep
* of USHRT_MAX seconds, via reset and repeat call to sleep()
* library routine until there is none remaining time to sleep.
*
* The fix for 1164064 introduced bug 1263997 : This is a fix for
* these problems.
*/
leftover = 0;
while (n != 0) {
if (n >= USHRT_MAX) {
leftover = n - USHRT_MAX;
leftover += sleep(USHRT_MAX);
}
else {
leftover = sleep(n);
}
n = leftover;
}
return (0);
}
static void
catch_sig(int sig)
{
}
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