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-rw-r--r--tools/lib/bpf/libbpf.c17
-rw-r--r--tools/lib/bpf/libbpf.h4
-rw-r--r--tools/lib/bpf/libbpf.map3
3 files changed, 23 insertions, 1 deletions
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 4907997289e9..f308690abd50 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -3941,6 +3941,23 @@ int bpf_prog_load_xattr(const struct bpf_prog_load_attr *attr,
return 0;
}
+struct bpf_link {
+ int (*destroy)(struct bpf_link *link);
+};
+
+int bpf_link__destroy(struct bpf_link *link)
+{
+ int err;
+
+ if (!link)
+ return 0;
+
+ err = link->destroy(link);
+ free(link);
+
+ return err;
+}
+
enum bpf_perf_event_ret
bpf_perf_event_read_simple(void *mmap_mem, size_t mmap_size, size_t page_size,
void **copy_mem, size_t *copy_size,
diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h
index d639f47e3110..5082a5ebb0c2 100644
--- a/tools/lib/bpf/libbpf.h
+++ b/tools/lib/bpf/libbpf.h
@@ -165,6 +165,10 @@ LIBBPF_API int bpf_program__pin(struct bpf_program *prog, const char *path);
LIBBPF_API int bpf_program__unpin(struct bpf_program *prog, const char *path);
LIBBPF_API void bpf_program__unload(struct bpf_program *prog);
+struct bpf_link;
+
+LIBBPF_API int bpf_link__destroy(struct bpf_link *link);
+
struct bpf_insn;
/*
diff --git a/tools/lib/bpf/libbpf.map b/tools/lib/bpf/libbpf.map
index 2c6d835620d2..3cde850fc8da 100644
--- a/tools/lib/bpf/libbpf.map
+++ b/tools/lib/bpf/libbpf.map
@@ -167,10 +167,11 @@ LIBBPF_0.0.3 {
LIBBPF_0.0.4 {
global:
+ bpf_link__destroy;
+ bpf_object__load_xattr;
btf_dump__dump_type;
btf_dump__free;
btf_dump__new;
btf__parse_elf;
- bpf_object__load_xattr;
libbpf_num_possible_cpus;
} LIBBPF_0.0.3;