Function sysctl_handle_long

freebsd/kern/kern_sysctl.c:1655–1693

 */

int
sysctl_handle_long(SYSCTL_HANDLER_ARGS)
{
	int error = 0;
	long tmplong;
#ifdef SCTL_MASK32
	int tmpint;
#endif

	/*
	 * Attempt to get a coherent snapshot by making a copy of the data.
	 */
	if (arg1)
		tmplong = *(long *)arg1;
	else
		tmplong = arg2;
#ifdef SCTL_MASK32
	if (req->flags & SCTL_MASK32) {
		tmpint = tmplong;
		error = SYSCTL_OUT(req, &tmpint, sizeof(int));
	} else
#endif
		error = SYSCTL_OUT(req, &tmplong, sizeof(long));

	if (error || !req->newptr)
		return (error);

	if (!arg1)
		error = EPERM;
#ifdef SCTL_MASK32
	else if (req->flags & SCTL_MASK32) {
		error = SYSCTL_IN(req, &tmpint, sizeof(int));
		*(long *)arg1 = (long)tmpint;
	}
#endif
	else
		error = SYSCTL_IN(req, arg1, sizeof(long));
	return (error);
}

/*
 * Handle a 64 bit int, signed or unsigned.