Re: Show application performance/errors from pseudo file

Daniel Hilst Selli <[email protected]> Fri, 17 Oct 2014 15:59:32 -0300
Newsgroups org.kernel.vger.linux-c-programming
Message-ID <[email protected]>
On 10/16/2014 05:31 PM, Yichao Yu wrote:
> Resend as plain text.
>
> On Thu, Oct 16, 2014 at 4:01 PM, Yichao Yu <[email protected]> wrote:
>>
>>
>> On Thu, Oct 16, 2014 at 3:50 PM, Daniel Hilst Selli <[email protected]>
>> wrote:
>>>
>>> I'm writing a new application and would be nice to have a pseudo file
>>> showing its status, just the way that procfs does with kernel.
>>> I'm looking for sugestions, I want to `cat' files contents and have
>>> something similar to /proc/meminfo
>>>
>>> First I think using named pipes, but, AFAIK, pipes would retain data
>>> writed until someone read it, what I thought is a kind of read
>>> hook that only show data when asked for. Here are a few requisites,
>>>
>>> - Don't retain data
>>> - Don't generate disk I/O
>>> - Vanish when application stops
>>> - Work with a simple cat or something similar..
>>
>>
>> You should have a look at fuse[1].
>>
>> [1] http://fuse.sourceforge.net/
>>
>>>
>>>
>>> With that in mind I think about using unix domain sockets.. it seems to
>>> fit all requisites, for
>>> the fourth requisite I could use netcat, that is almost cat,
>>>
>>> Cheers
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>>
>>

Seems god, a little overkill for so simple stuff but adds nice features, I'm taking
a look on further options..

Cheers