File: bpf_iter_test_kern3.c

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// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2020 Facebook */
#include "bpf_iter.h"
#include <bpf/bpf_helpers.h>

char _license[] SEC("license") = "GPL";

SEC("iter/task")
int dump_task(struct bpf_iter__task *ctx)
{
	struct seq_file *seq = ctx->meta->seq;
	struct task_struct *task = ctx->task;
	int tgid;

	tgid = task->tgid;
	bpf_seq_write(seq, &tgid, sizeof(tgid));
	return 0;
}