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https://issues.apache.org/jira/browse/PROTON-999?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Graham Leggett updated PROTON-999:
----------------------------------
    Description: 
The pn_messenger_subscribe() function is documented to take a const char * as a 
"source":

https://qpid.apache.org/releases/qpid-proton-0.10/proton/c/api/group__messenger.html#gaf1f1bfe4894d971f0b8d679bcab5cae6

The definition of a "source" isn't specified, nor is the acceptable source 
format specified.

In addition, it isn't specified in the docs whether this function must be 
called once, or whether it can be called multiple times. Reverse engineering 
the source seems to indicate that it should be called just once, and if you 
call it multiple times the underlying event loop will be corrupted.

  was:
The pn_messenger_subscribe() function is documented to take a const char * as a 
"source":

https://qpid.apache.org/releases/qpid-proton-0.10/proton/c/api/group__messenger.html#gaf1f1bfe4894d971f0b8d679bcab5cae6

The definition of a "source" isn't specified, nor is the acceptable source 
format specified.



> Docs: pn_messenger_subscribe(): "source" is undocumented
> --------------------------------------------------------
>
>                 Key: PROTON-999
>                 URL: https://issues.apache.org/jira/browse/PROTON-999
>             Project: Qpid Proton
>          Issue Type: Bug
>          Components: proton-c
>    Affects Versions: 0.10
>            Reporter: Graham Leggett
>              Labels: documentation
>
> The pn_messenger_subscribe() function is documented to take a const char * as 
> a "source":
> https://qpid.apache.org/releases/qpid-proton-0.10/proton/c/api/group__messenger.html#gaf1f1bfe4894d971f0b8d679bcab5cae6
> The definition of a "source" isn't specified, nor is the acceptable source 
> format specified.
> In addition, it isn't specified in the docs whether this function must be 
> called once, or whether it can be called multiple times. Reverse engineering 
> the source seems to indicate that it should be called just once, and if you 
> call it multiple times the underlying event loop will be corrupted.



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