Class request
boost::mpi::request — A request for a non-blocking send or receive.
Synopsis
Description
This structure contains information about a non-blocking send or receive and will be returned from isend or irecv, respectively.
request
public
construct/copy/destruct
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request();
Constructs a NULL request.
request public member functions
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status wait() ;
Wait until the communication associated with this request has completed, then return a status object describing the communication.
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optional< status > test() ;
Determine whether the communication associated with this request has completed successfully. If so, returns the status object describing the communication. Otherwise, returns an empty optional<> to indicate that the communication has not completed yet. Note that once test() returns a status object, the request has completed and wait() should not be called.
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void cancel() ;
Cancel a pending communication, assuming it has not already been completed.
