From 6c8a2c679313f8283514923daf65f5e9d050d94c Mon Sep 17 00:00:00 2001
From: Balint Reczey <balint.reczey@canonical.com>
Date: Wed, 6 Mar 2019 18:46:04 +0100
Subject: virt: detect WSL environment as a container (id: wsl)

---
 man/systemd-detect-virt.xml | 13 ++++++++++++-
 man/systemd.unit.xml        |  1 +
 2 files changed, 13 insertions(+), 1 deletion(-)

(limited to 'man')

diff --git a/man/systemd-detect-virt.xml b/man/systemd-detect-virt.xml
index 5c5510eaf2..1f5270dbb2 100644
--- a/man/systemd-detect-virt.xml
+++ b/man/systemd-detect-virt.xml
@@ -131,7 +131,7 @@
           </row>
 
           <row>
-            <entry valign="top" morerows="5">Container</entry>
+            <entry valign="top" morerows="6">Container</entry>
             <entry><varname>openvz</varname></entry>
             <entry>OpenVZ/Virtuozzo</entry>
           </row>
@@ -160,6 +160,11 @@
             <entry><varname>rkt</varname></entry>
             <entry>rkt app container runtime</entry>
           </row>
+
+          <row>
+            <entry><varname>wsl</varname></entry>
+            <entry><ulink url="https://docs.microsoft.com/en-us/windows/wsl/about">Windows Subsystem for Linux</ulink></entry>
+          </row>
         </tbody>
       </tgroup>
     </table>
@@ -169,6 +174,12 @@
     machine and container virtualization are used in
     conjunction, only the latter will be identified (unless
     <option>--vm</option> is passed).</para>
+    <para> Windows Subsystem for Linux is not a Linux container,
+    but an environment for running Linux userspace applications on
+    top of the Windows kernel using a Linux-compatible interface.
+    WSL is categorized as a container for practical purposes.
+    Multiple WSL environments share the same kernel and services
+    should generally behave like when being run in a container.</para>
   </refsect1>
 
   <refsect1>
diff --git a/man/systemd.unit.xml b/man/systemd.unit.xml
index 14418c359f..93b576d539 100644
--- a/man/systemd.unit.xml
+++ b/man/systemd.unit.xml
@@ -1089,6 +1089,7 @@
         <varname>systemd-nspawn</varname>,
         <varname>docker</varname>,
         <varname>rkt</varname>,
+        <varname>wsl</varname>,
         <varname>acrn</varname> to test
         against a specific implementation, or
         <varname>private-users</varname> to check whether we are running in a user namespace. See
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