/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
/*
*
* (C) 2001 by Argonne National Laboratory.
* See COPYRIGHT in top-level directory.
*/
#include "mpiimpl.h"
/* -- Begin Profiling Symbol Block for routine MPI_Comm_test_inter */
#if defined(HAVE_PRAGMA_WEAK)
#pragma weak MPI_Comm_test_inter = PMPI_Comm_test_inter
#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
#pragma _HP_SECONDARY_DEF PMPI_Comm_test_inter MPI_Comm_test_inter
#elif defined(HAVE_PRAGMA_CRI_DUP)
#pragma _CRI duplicate MPI_Comm_test_inter as PMPI_Comm_test_inter
#elif defined(HAVE_WEAK_ATTRIBUTE)
int MPI_Comm_test_inter(MPI_Comm comm, int *flag)
__attribute__ ((weak, alias("PMPI_Comm_test_inter")));
#endif
/* -- End Profiling Symbol Block */
/* Define MPICH_MPI_FROM_PMPI if weak symbols are not supported to build
the MPI routines */
#ifndef MPICH_MPI_FROM_PMPI
#undef MPI_Comm_test_inter
#define MPI_Comm_test_inter PMPI_Comm_test_inter
#endif
#undef FUNCNAME
#define FUNCNAME MPI_Comm_test_inter
#undef FCNAME
#define FCNAME "MPI_Comm_test_inter"
/*@
MPI_Comm_test_inter - Tests to see if a comm is an inter-communicator
Input Parameters:
. comm - communicator to test (handle)
Output Parameters:
. flag - true if this is an inter-communicator(logical)
.N SignalSafe
.N Fortran
.N Errors
.N MPI_SUCCESS
.N MPI_ERR_COMM
.N MPI_ERR_ARG
@*/
int MPI_Comm_test_inter(MPI_Comm comm, int *flag)
{
int mpi_errno = MPI_SUCCESS;
MPIR_Comm *comm_ptr = NULL;
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_COMM_TEST_INTER);
MPIR_ERRTEST_INITIALIZED_ORDIE();
MPIR_FUNC_TERSE_ENTER(MPID_STATE_MPI_COMM_TEST_INTER);
/* Validate parameters, especially handles needing to be converted */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_ERRTEST_COMM(comm, mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* Convert MPI object handles to object pointers */
MPIR_Comm_get_ptr(comm, comm_ptr);
/* Validate parameters and objects (post conversion) */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
/* Validate comm_ptr */
MPIR_Comm_valid_ptr(comm_ptr, mpi_errno, FALSE);
if (mpi_errno)
goto fn_fail;
/* If comm_ptr is not valid, it will be reset to null */
MPIR_ERRTEST_ARGNULL(flag, "flag", mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
*flag = (comm_ptr->comm_kind == MPIR_COMM_KIND__INTERCOMM);
/* ... end of body of routine ... */
#ifdef HAVE_ERROR_CHECKING
fn_exit:
#endif
MPIR_FUNC_TERSE_EXIT(MPID_STATE_MPI_COMM_TEST_INTER);
return mpi_errno;
/* --BEGIN ERROR HANDLING-- */
#ifdef HAVE_ERROR_CHECKING
fn_fail:
{
mpi_errno =
MPIR_Err_create_code(mpi_errno, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__, MPI_ERR_OTHER,
"**mpi_comm_test_inter", "**mpi_comm_test_inter %C %p", comm,
flag);
}
mpi_errno = MPIR_Err_return_comm(comm_ptr, FCNAME, mpi_errno);
goto fn_exit;
#endif
/* --END ERROR HANDLING-- */
}