| #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; | |
| } |