tools/testing/selftests/bpf/progs/bpf_iter_test_kern3.c

Source file repositories/reference/linux-study-clean/tools/testing/selftests/bpf/progs/bpf_iter_test_kern3.c

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/bpf/progs/bpf_iter_test_kern3.c
Extension
.c
Size
389 bytes
Lines
19
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2020 Facebook */
#include <vmlinux.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;
}

Annotation

Implementation Notes