tools/testing/selftests/net/in_netns.sh

Source file repositories/reference/linux-study-clean/tools/testing/selftests/net/in_netns.sh

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/net/in_netns.sh
Extension
.sh
Size
323 bytes
Lines
24
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: tools
Status
atlas-only

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

#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
#
# Execute a subprocess in a network namespace

set -e

readonly NETNS="ns-$(mktemp -u XXXXXX)"

setup() {
	ip netns add "${NETNS}"
	ip -netns "${NETNS}" link set lo up
}

cleanup() {
	ip netns del "${NETNS}"
}

trap cleanup EXIT
setup

ip netns exec "${NETNS}" "$@"
exit "$?"

Annotation

Implementation Notes