Libbpf userspace function user_ring_buffer__new

1.1.0

Creates a new instance of a user ring buffer.

Definition

struct user_ring_buffer * user_ring_buffer__new(int map_fd, const struct user_ring_buffer_opts *opts);

Parameters

• map_fd: A file descriptor to a BPF_MAP_TYPE_USER_RINGBUF map.
• opts: Options for how the ring buffer should be created.

Return

A user ring buffer on success; NULL and errno being set on a failure.

struct user_ring_buffer_opts

struct user_ring_buffer_opts {
    size_t sz; /* size of this struct, for forward/backward compatibility */
};

Usage

Docs could be improved

This part of the docs is incomplete, contributions are very welcome

Example

Docs could be improved

This part of the docs is incomplete, contributions are very welcome