diff options
Diffstat (limited to 'tools/lib/bpf/libbpf.h')
-rw-r--r-- | tools/lib/bpf/libbpf.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h index de3ef59b9641..ab470179b7fe 100644 --- a/tools/lib/bpf/libbpf.h +++ b/tools/lib/bpf/libbpf.h @@ -1264,6 +1264,24 @@ LIBBPF_API int ring_buffer__epoll_fd(const struct ring_buffer *rb); LIBBPF_API struct ring *ring_buffer__ring(struct ring_buffer *rb, unsigned int idx); +/** + * @brief **ring__consumer_pos()** returns the current consumer position in the + * given ringbuffer. + * + * @param r A ringbuffer object. + * @return The current consumer position. + */ +LIBBPF_API unsigned long ring__consumer_pos(const struct ring *r); + +/** + * @brief **ring__producer_pos()** returns the current producer position in the + * given ringbuffer. + * + * @param r A ringbuffer object. + * @return The current producer position. + */ +LIBBPF_API unsigned long ring__producer_pos(const struct ring *r); + struct user_ring_buffer_opts { size_t sz; /* size of this struct, for forward/backward compatibility */ }; |