[fpc-pascal] Inter-process communication, a cautionary tale

Mark Morgan Lloyd markMLl.fpc-pascal at telemetry.co.uk
Wed Jul 18 21:03:04 CEST 2012


Michael Van Canneyt wrote:

>>> I meant the SimpleIPC unit from the FCL:
>>> http://lazarus-ccr.sourceforge.net/docs/fcl/simpleipc/index.html
>>
>> Because I was exploring various unix-domain socket aspects including 
>> mtu, where they're put, how to recover if an inactive one's already 
>> there (e.g. gdb failure) and so on. And in particular I was exploring 
>> naming issues that were being fouled up by things like Mozilla, trying 
>> to find some balance between the name of the project (known at 
>> compilation time) and the name of the executable after this sort of 
>> thing had caused a lot of local hassle.
>>
>> So I think you've done better having something that is portable and is 
>> coded fairly elegantly, but I don't think that I've gratuitously 
>> reinvented the wheel.
> 
> I never meant to imply that; I just hoped that by pointing you to some 
> existing code, I could stop you from spending time on something which 
> already exists.
> 
> Of course, time spent learning APIs is never wasted :)

I'll certainly take a close look at that if I come back to this problem- 
if nothing else to see whether it works in the context of a single 
process :-)

-- 
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk

[Opinions above are the author's, not those of his employers or colleagues]



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