Commit 328bafc9 authored by Jiri Olsa's avatar Jiri Olsa Committed by Alexei Starovoitov
Browse files

selftests/bpf: Add err.h header 



Moving error macros from profiler.inc.h to new err.h header.
It will be used in following changes.

Also adding PTR_ERR macro that will be used in following changes.

Acked-by: default avatarAndrii Nakryiko <andrii@kernel.org>
Signed-off-by: default avatarJiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20230331093157.1749137-2-jolsa@kernel.org


Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
parent 67efbd57

tools/testing/selftests/bpf/progs/err.h

0 → 100644
+18 −0
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0 */

#ifndef __ERR_H__

#define __ERR_H__



#define MAX_ERRNO 4095

#define IS_ERR_VALUE(x) (unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO



static inline int IS_ERR_OR_NULL(const void *ptr)

{

	return !ptr || IS_ERR_VALUE((unsigned long)ptr);

}



static inline long PTR_ERR(const void *ptr)

{

	return (long) ptr;

}



#endif /* __ERR_H__ */

tools/testing/selftests/bpf/progs/profiler.inc.h

+1 −2
Original line number Diff line number Diff line
@@ -6,6 +6,7 @@ 
#include <bpf/bpf_tracing.h>



#include "profiler.h"

#include "err.h"



#ifndef NULL

#define NULL 0
@@ -16,7 +17,6 @@ 
#define O_DIRECTORY 00200000

#define __O_TMPFILE 020000000

#define O_TMPFILE (__O_TMPFILE | O_DIRECTORY)

#define MAX_ERRNO 4095

#define S_IFMT 00170000

#define S_IFSOCK 0140000

#define S_IFLNK 0120000
@@ -34,7 +34,6 @@ 
#define S_ISBLK(m) (((m)&S_IFMT) == S_IFBLK)

#define S_ISFIFO(m) (((m)&S_IFMT) == S_IFIFO)

#define S_ISSOCK(m) (((m)&S_IFMT) == S_IFSOCK)

#define IS_ERR_VALUE(x) (unsigned long)(void*)(x) >= (unsigned long)-MAX_ERRNO



#define KILL_DATA_ARRAY_SIZE 8