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/* NBD client library in userspace
* Copyright Red Hat
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <caml/alloc.h>
#include <caml/callback.h>
#include <caml/fail.h>
#include <caml/memory.h>
#include <caml/mlvalues.h>
#include <caml/threads.h>
#include <libnbd.h>
#include "nbd-c.h"
value
nbd_internal_ocaml_nbd_create (value unitv)
{
CAMLparam1 (unitv);
CAMLlocal1 (rv);
struct nbd_handle *h;
h = nbd_create ();
if (h == NULL)
nbd_internal_ocaml_raise_error ();
rv = Val_nbd (h);
CAMLreturn (rv);
}
value
nbd_internal_ocaml_nbd_close (value hv)
{
CAMLparam1 (hv);
struct nbd_handle *h = NBD_val (hv);
if (h) {
/* So we don't double-free. */
NBD_val (hv) = NULL;
caml_enter_blocking_section ();
nbd_close (h);
caml_leave_blocking_section ();
}
CAMLreturn (Val_unit);
}
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