Function finit

freebsd/kern/kern_descrip.c:2932–2939

* Initialize the file pointer with the specified properties. * * The ops are set with release semantics to be certain that the flags, type, * and data are visible when ops is. This is to prevent ops methods from being * called with bad data. */

 * called with bad data.
 */
void
finit(struct file *fp, u_int flag, short type, void *data, struct fileops *ops)
{
	fp->f_data = data;
	fp->f_flag = flag;
	fp->f_type = type;
	atomic_store_rel_ptr((volatile uintptr_t *)&fp->f_ops, (uintptr_t)ops);
}

void
finit_vnode(struct file *fp, u_int flag, void *data, struct fileops *ops)