Lavanya r wrote:
Respected members,
I have encountered a problem in blocking a certain process in
the server until the client generates a file.
For Example, in the command I={New Open.file
init(name:'C:/Inetpub/wwwroot/info.txt' flags:[read])}, the file '
info.txt' is made available only by the client code. As the server has
to be run first,should it be suspended for a while till the client runs?
What command must be used for enabling this?Please help me out with this.
You can block a thread on the server by making it wait for a variable
that is bound only when the client is ready.
declare ClientReady in % use a 'local' if needed
thread
{Wait ClientReady}
I={New Open.file init(...)}
%% file processing code here
end
When the client is ready, simply run
ClientReady=unit
This could be triggered by the client sending a message. Another
possibility is to give the client access to the variable ClientReady,
and let the client bind the variable when it is ready.
Cheers,
raph
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