src: describe what NODE_MODULE_VERSION is for

sam-github · evanlucas · commit 11ed8007df37 · 2017-01-04T10:44:07.000-06:00
Current comment described what to do with it when the ABI changes, but implied that Node.js would load modules with newer ABI numbers, which it will not. PR-URL: #10414 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com> Reviewed-By: Italo A. Casas <me@italoacasas.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com> Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
diff --git a/src/node_version.h b/src/node_version.h
@@ -44,6 +44,9 @@
       (minor) == NODE_MINOR_VERSION && (patch) <= NODE_PATCH_VERSION))
 
 /**
+ * Node.js will refuse to load modules that weren't compiled against its own
+ * module ABI number, exposed as the process.versions.modules property.
+ *
  * When this version number is changed, node.js will refuse
  * to load older modules.  This should be done whenever
  * an API is broken in the C++ side, including in v8 or
