libbpf-tools/core_fixes.bpf.h

/* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
/* Copyright (c) 2021 Hengqi Chen */

#ifndef __CORE_FIXES_BPF_H
#define __CORE_FIXES_BPF_H

#include <vmlinux.h>
#include <bpf/bpf_core_read.h>

/**
 * commit 2f064a59a1 ("sched: Change task_struct::state") changes
 * the name of task_struct::state to task_struct::__state
 * see:
 *     https://github.com/torvalds/linux/commit/2f064a59a1
 */
struct task_struct___x {
	unsigned int __state;
};

static __s64 get_task_state(void *task)
{
	struct task_struct___x *t = task;

	if (bpf_core_field_exists(t->__state))
		return t->__state;
	return ((struct task_struct *)task)->state;
}

#endif /* __CORE_FIXES_BPF_H */