Messages in this thread Patch in this message | | | From | Wang Nan <> | Subject | [RFC PATCH v9 21/50] bpf tools: Introduce accessors for struct bpf_object | Date | Fri, 26 Jun 2015 14:15:26 +0000 |
| |
This patch add an accessor which allows caller to get count of programs in an object file.
Signed-off-by: Wang Nan <wangnan0@huawei.com> Acked-by: Alexei Starovoitov <ast@plumgrid.com> --- tools/lib/bpf/libbpf.c | 9 +++++++++ tools/lib/bpf/libbpf.h | 3 +++ 2 files changed, 12 insertions(+)
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index e4c5f07..1c210fb 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -936,6 +936,15 @@ void bpf_object__close(struct bpf_object *obj) free(obj); } +int bpf_object__get_prog_cnt(struct bpf_object *obj, size_t *pcnt) +{ + if (!obj || !pcnt) + return -EINVAL; + + *pcnt = obj->nr_programs; + return 0; +} + struct bpf_program * bpf_program__next(struct bpf_program *prev, struct bpf_object *obj) { diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h index 9e0e102..a20ae2e 100644 --- a/tools/lib/bpf/libbpf.h +++ b/tools/lib/bpf/libbpf.h @@ -35,6 +35,9 @@ void bpf_object__close(struct bpf_object *object); int bpf_object__load(struct bpf_object *obj); int bpf_object__unload(struct bpf_object *obj); +/* Accessors of bpf_object */ +int bpf_object__get_prog_cnt(struct bpf_object *obj, size_t *pcnt); + /* Accessors of bpf_program. */ struct bpf_program; struct bpf_program *bpf_program__next(struct bpf_program *prog, -- 1.8.3.4
| |