errno_t
sc_isatty(thread_t *t, syscall_result_t *r, sc_isatty_args *args)
{
r->result = 0;
file_t *file = f_get(t->thr_proc->p_fd, args->fd);
if (file == NULL) {
return -EBADF;
}
if(!vnode_isatty(file->f_vnode)) {
frele(file);
return -ENOTTY;
}
frele(file);
r->result = 1;
return -EOK;
}
int
sc_ftruncate(thread_t *t, syscall_result_t *r, ftruncate_args_t *args)
{
file_t *f = f_get(t->thr_proc->p_fd, args->fd);
if(!f)
return -EBADF;
f_truncate(f, args->length);
frele(f);
return -EOK;
}
errno_t
sc_lseek(thread_t *p, syscall_result_t *r, lseek_args *args)
{
file_t *f = f_get(p->thr_proc->p_fd, args->fd);
if (!f)
return -EBADF;
int res = f_seek(f, args->offset, args->whence);
frele(f);
if(res < 0)
return res;
r->result = res;
return -EOK;
}
errno_t
sc_ioctl(thread_t *t, syscall_result_t *r, sc_ioctl_args *args)
{
file_t *file = f_get(t->thr_proc->p_fd, args->fd);
if (file == NULL) {
return -EBADF;
}
int res = f_ioctl(file, args->cmd, args->arg);
frele(file);
if(res < 0)
return res;
r->result = res;
return -EOK;
}
int
kern_file_sync (cfs_file_t *fp)
{
struct vnode *vp = (struct vnode *)fp->f_data;
struct proc *p = current_proc();
int error = 0;
CFS_DECL_CONE_DATA;
CFS_CONE_IN;
if (fref(fp) == -1) {
CFS_CONE_EX;
return (-EBADF);
}
vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
error = VOP_FSYNC(vp, fp->f_cred, MNT_WAIT, p);
VOP_UNLOCK(vp, 0, p);
frele(fp);
CFS_CONE_EX;
return error;
}
