(j3.2006) (SC22WG5.4092) Standard intrinsics and coarrays

Van Snyder Van.Snyder
Tue Oct 20 18:43:41 EDT 2009

On Tue, 2009-10-20 at 07:06 -0700, Bill Long wrote:
> The more interesting case is if one segment sets an environment
> variable (by calling a C library routine, for example), and then
> another segment executes GET_ENVIRONMENT_VARIABLE expecting to get the
> value set by the other segment. Is the action of setting the
> environment variable visible to all images?

I think this applies to a much broader class of things one can do via C
than just setting environment variables.  I don't think we want to try
to enumerate them all.

> Users are responsible for ordering external actions when necessary.

Van Snyder                    |  What fraction of Americans believe 
Van.Snyder at jpl.nasa.gov       |  Wrestling is real and NASA is fake?
Any alleged opinions are my own and have not been approved or
disapproved by JPL, CalTech, NASA, the President, or anybody else.

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