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Posted to issues@openwhisk.apache.org by GitBox <gi...@apache.org> on 2020/01/23 14:43:19 UTC

[GitHub] [openwhisk-runtime-go] sciabarracom commented on a change in pull request #119: Ack and versioning [work in progress]

sciabarracom commented on a change in pull request #119: Ack and versioning [work in progress]
URL: https://github.com/apache/openwhisk-runtime-go/pull/119#discussion_r370157592
 
 

 ##########
 File path: docs/ACTION.md
 ##########
 @@ -73,10 +73,12 @@ The `actionloop` runtime can execute  generic Linux executable in an efficient w
 
 <a name="actionloop">
 
-### The Action Loop Protocol
+### The Action Loop Protocol 
 
 The protocol can be specified informally as follow.
 
+- Send an acknowledgement if required. If the environment variable `__OW_WAIT_FOR_ACK` is not empty, write on file descriptor 3 the string `{ "ok": true }`.
 
 Review comment:
   I used the double underscore in the actions but the parameters are without, for consistency.

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