Displaying 3 results from an estimated 3 matches for "buf_buf".
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2019 Aug 12
2
Re: [PATCH libnbd 1/7] api: Add semi-private function for freeing persistent data.
...eat it as a possible GC root.
> */
> value *buf_user_data;
> buf_user_data = malloc (sizeof (value));
> if (buf_user_data == NULL) caml_raise_out_of_memory ();
> *buf_user_data = bufv;
> caml_register_generational_global_root (buf_user_data);
> struct nbd_buffer *buf_buf = NBD_buffer_val (bufv);
> const void *buf = buf_buf->data;
> size_t count = buf_buf->len;
> if (nbd_add_free_callback (h, (void *)buf,
> free_root, buf_user_data) == -1)
> caml_raise_out_of_memory ();
>
> Notice that the free_root...
2019 Aug 12
2
Re: [PATCH libnbd 1/7] api: Add semi-private function for freeing persistent data.
On 8/12/19 11:08 AM, Richard W.M. Jones wrote:
> This adds a C-only semi-private function for freeing various types of
> persistent data passed to libnbd.
>
> There are some similarities with nbd_add_close_callback which we
> removed in commit 7f191b150b52ed50098976309a6af883d245fc56.
> ---
> +=head1 FREE CALLBACKS
> +
> +B<Note:> The API described in this
2019 Aug 12
0
Re: [PATCH libnbd 1/7] api: Add semi-private function for freeing persistent data.
...e to the Buffer, so we
* must treat it as a possible GC root.
*/
value *buf_user_data;
buf_user_data = malloc (sizeof (value));
if (buf_user_data == NULL) caml_raise_out_of_memory ();
*buf_user_data = bufv;
caml_register_generational_global_root (buf_user_data);
struct nbd_buffer *buf_buf = NBD_buffer_val (bufv);
const void *buf = buf_buf->data;
size_t count = buf_buf->len;
if (nbd_add_free_callback (h, (void *)buf,
free_root, buf_user_data) == -1)
caml_raise_out_of_memory ();
Notice that the free_root function needs the pointer to the G...