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https://github.com/netdata/libbpf.git
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d5b146fec5
Otherwise, we will have the following compilation error:
/home/yhs/work/bcc-new/src/cc/libbpf/src/bpf_prog_linfo.c:
In function ‘dissect_jited_func’:
/home/yhs/work/bcc-new/src/cc/libbpf/src/bpf_prog_linfo.c:88:10:
error: ‘EINVAL’ undeclared (first use in this function)
return -EINVAL;
The original linux/err.h at linux:tools/include directory
does include "asm/errno.h" as well.
Signed-off-by: Yonghong Song <yhs@fb.com>
34 lines
589 B
C
34 lines
589 B
C
/* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
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#ifndef __LINUX_ERR_H
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#define __LINUX_ERR_H
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#include <linux/types.h>
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#include <asm/errno.h>
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#define MAX_ERRNO 4095
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#define IS_ERR_VALUE(x) ((x) >= (unsigned long)-MAX_ERRNO)
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static inline void * ERR_PTR(long error_)
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{
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return (void *) error_;
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}
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static inline long PTR_ERR(const void *ptr)
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{
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return (long) ptr;
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}
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static inline bool IS_ERR(const void *ptr)
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{
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return IS_ERR_VALUE((unsigned long)ptr);
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}
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static inline bool IS_ERR_OR_NULL(const void *ptr)
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{
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return (!ptr) || IS_ERR_VALUE((unsigned long)ptr);
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}
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#endif
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