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libbpf: Add ring__consume_n / ring_buffer__consume_n

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Introduce a new API to consume items from a ring buffer, limited to a
specified amount, and return to the caller the actual number of items
consumed.

Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/lkml/20240310154726.734289-1-andrea.righi@canonical.com/T
Link: https://lore.kernel.org/bpf/20240406092005.92399-4-andrea.righi@canonical.com
This commit is contained in:
Andrea Righi
2024-04-06 11:15:43 +02:00
committed by Andrii Nakryiko
parent 98de9ace4d
commit b521a722b9
3 changed files with 50 additions and 3 deletions
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src/libbpf.map
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@@ -418,4 +418,7 @@ LIBBPF_1.4.0 {
} LIBBPF_1.3.0;
LIBBPF_1.5.0 {
global:
ring__consume_n;
ring_buffer__consume_n;
} LIBBPF_1.4.0;