MPI_Testall function

Tests for the completion of all previously initiated requests.

Syntax

int MPIAPI MPI_Testall(
   int                              count,
   _Inout_count_(count) MPI_Request *array_of_requests,
   _Out_cap_(count) MPI_Status      *array_of_statuses
);

Parameters

• count
  The number of entries in array_of_requests parameter.

• array_of_requests
  An array of MPI_Request handles of outstanding operations.

• array_of_statuses
  An array of MPI_Status objects describing the completed operations. Might be MPI_STATUSES_IGNORE if no status information is desired.

Return value

Returns MPI_SUCCESS on success. Otherwise, the return value is an error code.

Returns MPI_ERR_IN_STATUS if one or more operations complete in error. The status of failed operations is returned in the corresponding entry in the array_of_statuses parameter.

In Fortran the return value is stored in the IERROR parameter.

Fortran

    MPI_TESTALL(COUNT, ARRAY_OF_REQUESTS, FLAG, ARRAY_OF_STATUSES, IERROR)
        LOGICAL FLAG
        INTEGER COUNT, ARRAY_OF_REQUESTS(*),
        ARRAY_OF_STATUSES(MPI_STATUS_SIZE,*), IERROR

Requirements

See also

MPI Point to Point Functions