Archipelago » qemu

static void v9fs_unlinkat(void *opaque)

{

    int err = 0;

    V9fsString name;

    int32_t dfid, flags;

    size_t offset = 7;

    V9fsFidState *dfidp;

    V9fsPDU *pdu = opaque;

    V9fsString full_name;

    pdu_unmarshal(pdu, offset, "dsd", &dfid, &name, &flags);

    dfidp = get_fid(pdu->s, dfid);

    if (dfidp == NULL) {

        err = -EINVAL;

        goto out_nofid;

    }

    v9fs_string_init(&full_name);

    v9fs_string_sprintf(&full_name, "%s/%s", dfidp->path.data, name.data);

    /*

     * IF the file is unlinked, we cannot reopen

     * the file later. So don't reclaim fd

     */

    err = v9fs_mark_fids_unreclaim(pdu->s, &full_name);

    if (err < 0) {

        goto out_err;

    }

    err = v9fs_co_remove(pdu->s, &full_name);

    if (!err) {

        err = offset;

    }

out_err:

    put_fid(pdu->s, dfidp);

    v9fs_string_free(&full_name);

out_nofid:

    complete_pdu(pdu->s, pdu, err);

    v9fs_string_free(&name);

}

    [P9_TUNLINKAT] = v9fs_unlinkat,