usr/utils/sleep.c

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <errno.h>

int main(int argc, char *argv[])
{
	struct timespec ts;
	char *p;

	if (argc != 2)
		goto err;

	p = strtotimespec(argv[1], &ts);
	if (*p)
		goto err;

	while (nanosleep(&ts, &ts) == -1 && errno == EINTR) ;

	return 0;

      err:
	fprintf(stderr, "Usage: %s seconds[.fraction]\n", argv[0]);
	return 1;
}
1	#include <stdio.h>
2	#include <stdlib.h>
3	#include <time.h>
4	#include <errno.h>
5
6	int main(int argc, char *argv[])
7	{
8	struct timespec ts;
9	char *p;
10
11	if (argc != 2)
12	goto err;
13
14	p = strtotimespec(argv[1], &ts);
15	if (*p)
16	goto err;
17
18	while (nanosleep(&ts, &ts) == -1 && errno == EINTR) ;
19
20	return 0;
21
22	err:
23	fprintf(stderr, "Usage: %s seconds[.fraction]\n", argv[0]);
24	return 1;
25	}