This chapter begins with calls used to
create generalized requests,
which allow users
to create new nonblocking
operations with an interface similar to what is present in MPI.
This can be used to layer new functionality on top of MPI. Next,
Section Associating Information with Status
deals with setting the information found
in
status.
This is needed for generalized
requests.
The chapter continues, in Section MPI and Threads
, with a
discussion of how threads are to be handled in
MPI.
Although thread compliance is not required, the standard specifies how threads
are to work if they are provided.
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MPI-2.0 of July 1, 2008
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