[DTrace-devel] [PATCH] test: skip D return() action for kernels without support

[Eugene Loh]

Reviewed-by: Eugene Loh <eugene.loh at oracle.com>

On 10/15/25 12:13, Kris Van Hees via DTrace-devel wrote:
> Most of the err.* tests can still be run, since they test other failure
> modes.
>
>
> diff --git a/test/unittest/actions/return/err.destructive.x b/test/unittest/actions/return/err.destructive.x
> new file mode 120000
> index 00000000..36e16002
> --- /dev/null
> +++ b/test/unittest/actions/return/err.destructive.x
> @@ -0,0 +1 @@
> +tst.destructive.x
> \ No newline at end of file
> diff --git a/test/unittest/actions/return/tst.destructive.x b/test/unittest/actions/return/tst.destructive.x
> new file mode 100755
> index 00000000..3157408b
> --- /dev/null
> +++ b/test/unittest/actions/return/tst.destructive.x
> @@ -0,0 +1,15 @@
> +#!/bin/bash
> +#
> +# Oracle Linux DTrace.
> +# Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
> +# Licensed under the Universal Permissive License v 1.0 as shown at
> +# http://oss.oracle.com/licenses/upl.
> +
> +# Verify that the return() action can be used on the current kernel, i.e. that
> +# function error injection and BPF kprobe override is enabled.
> +
> +if [[ -r /sys/kernel/debug/error_injection/list ]]; then
> +	exit 0
> +else
> +	exit 2
> +fi
> diff --git a/test/unittest/actions/return/tst.override-getpid-entry.x b/test/unittest/actions/return/tst.override-getpid-entry.x
> new file mode 120000
> index 00000000..36e16002
> --- /dev/null
> +++ b/test/unittest/actions/return/tst.override-getpid-entry.x
> @@ -0,0 +1 @@
> +tst.destructive.x
> \ No newline at end of file
> diff --git a/test/unittest/actions/return/tst.override-getpid-return.x b/test/unittest/actions/return/tst.override-getpid-return.x
> new file mode 120000
> index 00000000..36e16002
> --- /dev/null
> +++ b/test/unittest/actions/return/tst.override-getpid-return.x
> @@ -0,0 +1 @@
> +tst.destructive.x
> \ No newline at end of file