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Subject: Re: [PATCH 09/11] nfsidmap: Add support to cleanup resources on exit
To:     Doug Nazar <nazard@nazar.ca>, linux-nfs@vger.kernel.org
References: <20200718092421.31691-1-nazard@nazar.ca>
 <20200718092421.31691-10-nazard@nazar.ca>
 <84277cb9-03da-3065-1848-f8c1e2bee167@RedHat.com>
 <568e0535-e20c-80a9-a0c7-61b3656f997f@nazar.ca>
From:   Steve Dickson <SteveD@RedHat.com>
Message-ID: <9481df67-109d-ede1-27d4-53cb66fbb528@RedHat.com>
Date:   Mon, 20 Jul 2020 13:31:50 -0400
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On 7/20/20 11:58 AM, Doug Nazar wrote:
> On 2020-07-20 11:49, Steve Dickson wrote:
>>
>>> +__attribute__((destructor))
>>> +static int nss_plugin_term(void)
>>> +{
>>> +    free_local_realms();
>>> +    conf_cleanup();
>>> +    return 0;
>>> +}
>>> +
>> Just wondering... How is nss_plugin_term() called/used?
> 
> Automatically during dlclose(), see the 'Initialization and finalization functions' section of the man page. I'd originally thought to extend trans_func but didn't see an easy way to extend the api (no size or version field) without breaking any possible out of tree plugins (do they exist?).

Interesting... I think I'll add a comment explaining it... 

No..they do not exist.. The way you are going is fine... 
Less churn is good ;-) 

steved.