1/* SPDX-License-Identifier: GPL-2.0 */
2/* Copyright (c) 2020 Facebook */
3#include "bpf_iter.h"
4#include <bpf/bpf_helpers.h>
5
6char _license[] SEC("license") = "GPL";
7int count = 0;
8
9SEC("iter/task")
10int dump_task(struct bpf_iter__task *ctx)
11{
12	struct seq_file *seq = ctx->meta->seq;
13	char c;
14
15	if (count < 4) {
16		c = START_CHAR + count;
17		bpf_seq_write(seq, &c, sizeof(c));
18		count++;
19	}
20
21	return 0;
22}
23