On 18 Aug 98 at 10:26, Soren Lange wrote:
> here is a very simple example how to read data from a named pipe and
> fill a histogram within root (e.g. for DAQ monitoring).
>
> Maybe it is of general interest (a priori it is not clear that it
> works), therefore I forward to roottalk, too.
>
>
> (3) start your root session and execute a daq_consumer macro similar
>
> to the following (it is shortened, just to show the principle)
>
> {
>
> FILE *fp;
> Float_t x;
> Int_t i=0;
> ...
>
I want to call your attention that there are several methods of
TSystem class to manage pipes the "platform independed way".
Namely I mean:
http://root.cern.ch/root/html/TSystem.html#TSystem:OpenPipe
http://root.cern.ch/root/html/src/TSystem.cxx.html#TSystem:ClosePipe
> // open named pipe
>
> fp = fopen("pipename","r");
>
By some reason those functions were not activated for Windows NT
yet but I hope the ROOT team will turn it on with the next ROOT
release for NT too.
Valery
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