MPI External Functions

In this section

• MPI_Grequest_cancel_function
  MPI_Grequest_cancel_function is a placeholder for the application-defined function name.

• MPI_Grequest_complete
  The call informs MPI that the operations represented by the generalized request are complete.

• MPI_Grequest_free_function
  MPI_Grequest_free_function is a placeholder for the application-defined function name.

• MPI_Grequest_query_function
  MPI_Grequest_query_function is a placeholder for the application-defined function name.

• MPI_Grequest_start
  Creates and returns a user-defined request.

• MPI_Init_thread
  Initializes the calling MPI process’s execution environment for threaded execution.

• MPI_Is_thread_main
  Returns a flag indicating whether this thread called MPI_Init or MPI_Init_thread.

• MPI_Query_thread
  Returns the level of thread support provided by the MPI library.