void xcb_prefetch_extension_data(xcb_connection_t *c, xcb_extension_t *ext)
{
if(c->has_error)
return;
pthread_mutex_lock(&c->ext.lock);
get_lazyreply(c, ext);
pthread_mutex_unlock(&c->ext.lock);
}
/* Do not free the returned XCBQueryExtensionRep - on return, it's aliased
* from the cache. */
const XCBQueryExtensionRep *XCBGetExtensionData(XCBConnection *c, XCBExtension *ext)
{
lazyreply *data;
pthread_mutex_lock(&c->ext.lock);
data = get_lazyreply(c, ext);
if(data && data->tag == LAZY_COOKIE)
{
data->tag = LAZY_FORCED;
data->value.reply = XCBQueryExtensionReply(c, data->value.cookie, 0);
}
pthread_mutex_unlock(&c->ext.lock);
return data ? data->value.reply : 0;
}
/* Do not free the returned xcb_query_extension_reply_t - on return, it's aliased
* from the cache. */
const xcb_query_extension_reply_t *xcb_get_extension_data(xcb_connection_t *c, xcb_extension_t *ext)
{
lazyreply *data;
if(c->has_error)
return 0;
pthread_mutex_lock(&c->ext.lock);
data = get_lazyreply(c, ext);
if(data && data->tag == LAZY_COOKIE)
{
data->tag = LAZY_FORCED;
data->value.reply = xcb_query_extension_reply(c, data->value.cookie, 0);
}
pthread_mutex_unlock(&c->ext.lock);
return data ? data->value.reply : 0;
}
void XCBPrefetchExtensionData(XCBConnection *c, XCBExtension *ext)
{
pthread_mutex_lock(&c->ext.lock);
get_lazyreply(c, ext);
pthread_mutex_unlock(&c->ext.lock);
}
