return size * nmemb;
}
+/* Called with s->mutex held. */
static int curl_find_buf(BDRVCURLState *s, size_t start, size_t len,
CURLAIOCB *acb)
{
#endif
}
+/* Called with s->mutex held. */
static CURLState *curl_init_state(BlockDriverState *bs, BDRVCURLState *s)
{
CURLState *state = NULL;
break;
}
if (!state) {
+ qemu_mutex_unlock(&s->mutex);
aio_poll(bdrv_get_aio_context(bs), true);
+ qemu_mutex_lock(&s->mutex);
}
} while(!state);
return state;
}
+/* Called with s->mutex held. */
static void curl_clean_state(CURLState *s)
{
int j;
BDRVCURLState *s = bs->opaque;
int i;
+ qemu_mutex_lock(&s->mutex);
for (i = 0; i < CURL_NUM_STATES; i++) {
if (s->states[i].in_use) {
curl_clean_state(&s->states[i]);
curl_multi_cleanup(s->multi);
s->multi = NULL;
}
+ qemu_mutex_unlock(&s->mutex);
timer_del(&s->timer);
}
return -EROFS;
}
+ qemu_mutex_init(&s->mutex);
opts = qemu_opts_create(&runtime_opts, NULL, 0, &error_abort);
qemu_opts_absorb_qdict(opts, options, &local_err);
if (local_err) {
DPRINTF("CURL: Opening %s\n", file);
s->aio_context = bdrv_get_aio_context(bs);
s->url = g_strdup(file);
+ qemu_mutex_lock(&s->mutex);
state = curl_init_state(bs, s);
+ qemu_mutex_unlock(&s->mutex);
if (!state)
goto out_noclean;
}
DPRINTF("CURL: Size = %zd\n", s->len);
+ qemu_mutex_lock(&s->mutex);
curl_clean_state(state);
+ qemu_mutex_unlock(&s->mutex);
curl_easy_cleanup(state->curl);
state->curl = NULL;
- qemu_mutex_init(&s->mutex);
curl_attach_aio_context(bs, bdrv_get_aio_context(bs));
qemu_opts_del(opts);
curl_easy_cleanup(state->curl);
state->curl = NULL;
out_noclean:
+ qemu_mutex_destroy(&s->mutex);
g_free(s->cookie);
g_free(s->url);
qemu_opts_del(opts);