void
test_milliseconds_to_long_string() {
equal("less than one second", milliseconds_to_long_string(500));
equal("5 seconds", milliseconds_to_long_string(5000));
equal("2 seconds", milliseconds_to_long_string(2500));
equal("1 minute", milliseconds_to_long_string(MS_MIN));
equal("5 minutes", milliseconds_to_long_string(5 * MS_MIN));
equal("1 hour", milliseconds_to_long_string(MS_HOUR));
equal("2 days", milliseconds_to_long_string(2 * MS_DAY));
equal("2 weeks", milliseconds_to_long_string(15 * MS_DAY));
equal("1 year", milliseconds_to_long_string(MS_YEAR));
equal("3 years", milliseconds_to_long_string(3 * MS_YEAR));
}
void
show_status_of(const char *pidfile) {
off_t size;
struct stat s;
// stat
if (stat(pidfile, &s) < 0) {
perror("stat()");
exit(1);
}
size = s.st_size;
// opens
int fd = open(pidfile, O_RDONLY, 0);
if (fd < 0) {
perror("open()");
exit(1);
}
// read
char buf[size];
if (size != read(fd, buf, size)) {
perror("read()");
exit(1);
}
// updtime
time_t modified = s.st_mtime;
struct timeval t;
gettimeofday(&t, NULL);
time_t now = t.tv_sec;
time_t secs = now - modified;
// status
pid_t pid = atoi(buf);
if (alive(pid)) {
char *str = milliseconds_to_long_string(secs * 1000);
printf("%d:alive:%s", pid, str);
free(str);
} else {
printf("%d:dead", pid);
}
close(fd);
}
