diff options
| author | Joe Stringer <[email protected]> | 2017-01-23 01:11:25 +0000 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2017-01-26 14:42:58 +0000 |
| commit | e28ff1a8382ee02b10cf11cf3b48541dc3d14a58 (patch) | |
| tree | 7b2e4fbf719f7c62f506e2d19f5aca86597d0337 /tools/lib/bpf/libbpf.h | |
| parent | tools lib bpf: Add set/is helpers for all prog types (diff) | |
| download | kernel-e28ff1a8382ee02b10cf11cf3b48541dc3d14a58.tar.gz kernel-e28ff1a8382ee02b10cf11cf3b48541dc3d14a58.zip | |
tools lib bpf: Add libbpf_get_error()
This function will turn a libbpf pointer into a standard error code (or
0 if the pointer is valid).
This also allows removal of the dependency on linux/err.h in the public
header file, which causes problems in userspace programs built against
libbpf.
Signed-off-by: Joe Stringer <[email protected]>
Acked-by: Wang Nan <[email protected]>
Cc: Alexei Starovoitov <[email protected]>
Cc: Daniel Borkmann <[email protected]>
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Diffstat (limited to 'tools/lib/bpf/libbpf.h')
| -rw-r--r-- | tools/lib/bpf/libbpf.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h index 2188ccdc0e2d..4014d1ba5e3d 100644 --- a/tools/lib/bpf/libbpf.h +++ b/tools/lib/bpf/libbpf.h @@ -22,8 +22,8 @@ #define __BPF_LIBBPF_H #include <stdio.h> +#include <stdint.h> #include <stdbool.h> -#include <linux/err.h> #include <sys/types.h> // for size_t enum libbpf_errno { @@ -234,4 +234,6 @@ int bpf_map__set_priv(struct bpf_map *map, void *priv, bpf_map_clear_priv_t clear_priv); void *bpf_map__priv(struct bpf_map *map); +long libbpf_get_error(const void *ptr); + #endif |