/* -*- 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_get_name */
#if defined(HAVE_PRAGMA_WEAK)
#pragma weak MPI_Comm_get_name = PMPI_Comm_get_name
#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
#pragma _HP_SECONDARY_DEF PMPI_Comm_get_name MPI_Comm_get_name
#elif defined(HAVE_PRAGMA_CRI_DUP)
#pragma _CRI duplicate MPI_Comm_get_name as PMPI_Comm_get_name
#elif defined(HAVE_WEAK_ATTRIBUTE)
int MPI_Comm_get_name(MPI_Comm comm, char *comm_name, int *resultlen)
__attribute__ ((weak, alias("PMPI_Comm_get_name")));
#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_get_name
#define MPI_Comm_get_name PMPI_Comm_get_name
void MPIR_Comm_get_name_impl(MPIR_Comm * comm_ptr, char *comm_name, int *resultlen)
{
/* The user must allocate a large enough section of memory */
MPL_strncpy(comm_name, comm_ptr->name, MPI_MAX_OBJECT_NAME);
*resultlen = (int) strlen(comm_name);
return;
}
#endif
#undef FUNCNAME
#define FUNCNAME MPI_Comm_get_name
#undef FCNAME
#define FCNAME "MPI_Comm_get_name"
/*@
MPI_Comm_get_name - Return the print name from the communicator
Input Parameters:
. comm - Communicator to get name of (handle)
Output Parameters:
+ comm_name - On output, contains the name of the communicator. It must
be an array of size at least 'MPI_MAX_OBJECT_NAME'.
- resultlen - Number of characters in name
Notes:
.N COMMNULL
.N ThreadSafeNoUpdate
.N Fortran
.N Errors
.N MPI_SUCCESS
.N MPI_ERR_COMM
@*/
int MPI_Comm_get_name(MPI_Comm comm, char *comm_name, int *resultlen)
{
int mpi_errno = MPI_SUCCESS;
MPIR_Comm *comm_ptr = NULL;
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_COMM_GET_NAME);
MPIR_ERRTEST_INITIALIZED_ORDIE();
MPIR_FUNC_TERSE_ENTER(MPID_STATE_MPI_COMM_GET_NAME);
/* 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 */
/* Validate parameters and objects (post conversion) */
MPIR_Comm_get_ptr(comm, comm_ptr);
/* Validate parameters and objects (post conversion) */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_Comm_valid_ptr(comm_ptr, mpi_errno, TRUE);
if (mpi_errno)
goto fn_fail;
/* If comm_ptr is not valid, it will be reset to null */
MPIR_ERRTEST_ARGNULL(comm_name, "comm_name", mpi_errno);
MPIR_ERRTEST_ARGNULL(resultlen, "resultlen", mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
MPIR_Comm_get_name_impl(comm_ptr, comm_name, resultlen);
/* ... end of body of routine ... */
#ifdef HAVE_ERROR_CHECKING
fn_exit:
#endif
MPIR_FUNC_TERSE_EXIT(MPID_STATE_MPI_COMM_GET_NAME);
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_get_name", "**mpi_comm_get_name %C %p %p", comm,
comm_name, resultlen);
}
mpi_errno = MPIR_Err_return_comm(comm_ptr, FCNAME, mpi_errno);
goto fn_exit;
#endif
/* --END ERROR HANDLING-- */
}