*/
LIBBPF_API int ring__map_fd(const struct ring *r);
+/**
+ * @brief **ring__consume()** consumes available ringbuffer data without event
+ * polling.
+ *
+ * @param r A ringbuffer object.
+ * @return The number of records consumed (or INT_MAX, whichever is less), or
+ * a negative number if any of the callbacks return an error.
+ */
+LIBBPF_API int ring__consume(struct ring *r);
+
struct user_ring_buffer_opts {
size_t sz; /* size of this struct, for forward/backward compatibility */
};
return r->map_fd;
}
+int ring__consume(struct ring *r)
+{
+ int64_t res;
+
+ res = ringbuf_process_ring(r);
+ if (res < 0)
+ return libbpf_err(res);
+
+ return res > INT_MAX ? INT_MAX : res;
+}
+
static void user_ringbuf_unmap_ring(struct user_ring_buffer *rb)
{
if (rb->consumer_pos) {