Re: [gpsd-dev] Last known 3.12 blocker solved

[Hal Murray]

address@hidden said:
> The test mode does *not* do anything with those segments - nothing gets
> written to them unless gpsd sees a PPS event and there's no way for that to
> happen when it's being driven by ptys.  gpsd allocates them up front only
> because of the privilege-dropping issue. 

I don't understand that.

Why does gpsd setup those segments if it's not going to use them?

How does gpsd know that it shouldn't use SHM for a normal serial stream when 
running in test mode and/or why would it use SHM if it sees a PPS in test 
mode?


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