alistair23-linux/tools/testing/selftests/bpf/cgroup_helpers.h
Roman Gushchin 9d1f159419 bpf: move cgroup_helpers from samples/bpf/ to tools/testing/selftesting/bpf/
The purpose of this move is to use these files in bpf tests.

Signed-off-by: Roman Gushchin <guro@fb.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Tejun Heo <tj@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-05 23:26:51 +09:00

18 lines
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C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __CGROUP_HELPERS_H
#define __CGROUP_HELPERS_H
#include <errno.h>
#include <string.h>
#define clean_errno() (errno == 0 ? "None" : strerror(errno))
#define log_err(MSG, ...) fprintf(stderr, "(%s:%d: errno: %s) " MSG "\n", \
__FILE__, __LINE__, clean_errno(), ##__VA_ARGS__)
int create_and_get_cgroup(char *path);
int join_cgroup(char *path);
int setup_cgroup_environment(void);
void cleanup_cgroup_environment(void);
#endif